Note: file last modified 41 days ago

Snow Course Measurements California Department of Water Resources
Division of Flood Management


Snow Course Measurements for February 2004

February measurements received as of Sunday, February 15, 06:01 PM

Snow depth and water content are in inches. April 1 averages are based on measurements made during years 1951-2000. Courses are grouped by river basins, listed in north-south and high-low elevation order. Contact Dave Hart for more information.


Num         Name                 Elev.  Date     Depth  Water   Density  April 1 Average
                                                       Content
                              Shasta River Basin
  3 Sweetwater                5,850	29-JAN	 34.2	 12.4	36%	 13.7	 91%	
                                                Basin Average Pct. of April 1:  91%
                                                                     February 1: 146%
                              Scott River Basin
  5 Middle Boulder 1          6,600	30-JAN	 64.0	 24.1	38%	 32.4	 74%	
311 Middle Boulder 3          6,200	30-JAN	 60.0	 21.2	35%	 28.3	 75%	
298 Dynamite Meadow           5,700	30-JAN	 49.0	 15.0	31%	 18.6	 81%	
285 Swampy John               5,500	29-JAN	 73.0	 23.0	32%	 34.0	 68%	
                                                Basin Average Pct. of April 1:  74%
                                                                     February 1: 120%
                              Trinity River Basin
  9 Deadfall Lakes            7,200	29-JAN	 68.5	 28.4	41%	 34.2	 83%	
 10 Red Rock Mountain         6,700		Scheduled for measurement by Weaverville Ranger District
 11 Bear Basin                6,500	04-FEB	 97.8	 39.8	41%	 39.1	102%	
 12 Shimmy Lake               6,400	29-JAN	115.8	 47.5	41%	 50.3	 94%	
 16 Highland Lakes            6,030	29-JAN	 82.0	 31.7	39%	 35.2	 90%	
437 Paradise Peak             5,800	31-JAN	 64.0	 26.0	41%			
 17 Big Flat (Course)         5,100	29-JAN	 49.6	 17.2	35%	 13.1	131%	
                                                Basin Average Pct. of April 1: 100%
                                                                     February 1: 161%
                              Sacramento River Basin
 18 Mount Shasta              7,900	29-JAN	112.7	 46.5	41%	 53.6	 87%	
 19 Sand Flat (Course)        6,800	26-JAN	 87.2	 34.8	40%	 43.6	 80%	
 21 Gray Rock Lakes           6,200	29-JAN	104.1	 43.7	42%	 48.4	 90%	
 22 Slate Creek               5,700	29-JAN	 68.8	 25.2	37%	 30.1	 84%	
                                                Basin Average Pct. of April 1:  85%
                                                                     February 1: 133%
                              Mc Cloud River Basin
 23 Brewer Creek              6,250		Scheduled for measurement by McCloud Ranger District
 25 Stouts Meadow             5,400	29-JAN	 72.7	 27.7	38%	 37.8	 73%	
                                                Basin Average Pct. of April 1:  73%
                                                                     February 1: 115%
                              Pit River Basin
 30 Cedar Pass                7,100	26-JAN	 42.8	 15.3	36%	 16.7	 92%	
 28 Blue Lake Ranch           6,800	26-JAN	 26.2	  8.9	34%	 10.4	 86%	
 33 Thousand Lakes            6,500	29-JAN	 73.0	 28.0	38%	 34.6	 81%	
 35 Adin Mountain             6,200	27-JAN	 39.4	 11.4	29%	 12.5	 91%	
343 New Manzanita Lake        5,900	01-FEB	 29.9	  0.0	 0%	  8.0	  0%	
                                                Basin Average Pct. of April 1:  70%
                                                                     February 1: 109%
                              Cottonwood Cr Basin
436 Bully Choop               6,100	31-JAN	 73.0	 31.0	42%			
                              Stony Cr Basin
 62 Anthony Peak              6,200	29-JAN	 64.2	 26.0	40%	 30.1	 86%	
                                                Basin Average Pct. of April 1:  86%
                                                                     February 1: 135%
                              Feather River Basin
 47 Lower Lassen Peak         8,250	29-JAN	138.8	 60.7	44%	 80.2	 76%	
361 Kettle Rock               7,300	29-JAN	 47.1	 16.0	34%	 23.4	 68%	
 48 Mount Dyer 1              7,100	26-JAN	 61.0	 21.7	36%	 25.9	 84%	
359 Grizzly Ridge             6,900	30-JAN	 60.2	 21.2	35%	 30.4	 70%	
279 Eureka Bowl               6,800	26-JAN	 74.9	 28.4	38%	 42.7	 67%	
388 Pilot Peak (DWR)          6,800	29-JAN	 83.6	 35.6	43%	 45.5	 78%	
360 Mount Hough               6,700	26-JAN	 60.1	 22.2	37%	 30.7	 72%	
280 Rowland Creek             6,700	28-JAN	 39.6	 10.3	26%	 17.4	 59%	
 75 Church Meadows            6,700	27-JAN	 56.7	 18.7	33%	 30.7	 61%	
 53 Three Lakes               6,250	28-JAN	 79.8	 28.7	36%	 40.8	 70%	
 52 Eureka Lake               6,200	26-JAN	 61.0	 22.0	36%	 31.7	 69%	
 51 Harkness Flat             6,200	26-JAN	 56.5	 19.1	34%	 28.5	 67%	
290 Mount Dyer 2              6,050	26-JAN	 41.3	 14.2	34%	 16.6	 86%	
 54 Mill Creek Flat           5,900	28-JAN	 85.5	 30.5	36%	 39.0	 78%	
353 Frenchman Cove            5,800	28-JAN	 18.9	  5.4	29%			
354 Antelope Ridge            5,650	29-JAN	 15.9	  4.2	26%			
355 Abbey                     5,650	30-JAN	 26.8	  7.3	27%	  9.0	 81%	
 49 Letterbox                 5,600	27-JAN	 99.6	 38.5	39%	 49.0	 79%	
 55 Mount Stover              5,600	26-JAN	 31.4	 11.2	36%	 14.7	 76%	
 58 Feather River Meadow      5,400	26-JAN	 54.2	 18.8	35%	 23.1	 81%	
 56 Browns Camp               5,400	27-JAN	 51.0	 19.3	38%	 23.3	 83%	
 59 Warner Creek              5,100	26-JAN	 42.2	 15.1	36%	 14.7	103%	
434 Humbug Summit 2           4,850	27-JAN	 33.4	  9.7	29%	 14.3	 68%	
 61 Chester Flat              4,600	28-JAN	 26.7	  8.2	31%	  6.1	134%	
                                                Basin Average Pct. of April 1:  78%
                                                                     February 1: 121%
                              Yuba River Basin
 64 Webber Peak               7,800	30-JAN	 82.2	 31.0	38%	 41.9	 74%	
 65 Castle Creek 5            7,400	02-FEB	 97.8	 37.2	38%	 52.1	 71%	
 66 Meadow Lake               7,200	28-JAN	107.4	 38.8	36%	 55.8	 70%	
 67 Red Mountain              7,200	28-JAN	101.8	 38.1	37%	 51.9	 73%	
 68 English Mountain          7,100	29-JAN	 92.4	 42.1	46%	 45.4	 93%	
 69 Donner Summit             6,900	28-JAN	 78.7	 29.0	37%	 38.6	 75%	
 74 Yuba Pass                 6,700	30-JAN	 64.1	 23.7	37%	 29.6	 80%	
 76 Furnace Flat              6,700	28-JAN	 93.8	 33.9	36%	 48.4	 70%	
 78 Findley Peak              6,500	27-JAN	 69.0	 24.5	36%	 29.8	 82%	
 77 Lake Fordyce              6,500	28-JAN	 77.8	 27.1	35%	 40.9	 66%	
389 Robinson Cow Camp         6,480	29-JAN	 85.0	 32.5	38%	 42.5	 76%	
390 Sunnyside Meadow          6,300	29-JAN	112.1	 43.7	39%	 55.4	 79%	
 80 Cisco                     5,900	28-JAN	 63.3	 20.4	32%	 27.6	 74%	
372 Chapman Creek             5,850	30-JAN	 57.3	 20.2	35%	 23.7	 85%	
 83 Bowman Lake               5,650	27-JAN	 53.4	 18.0	34%	 22.3	 81%	
391 Lexington                 5,600	29-JAN	 72.9	 29.3	40%	 30.7	 95%	
277 Gibsonville               5,400	29-JAN	 77.0	 26.3	34%	 28.7	 92%	
 85 Lake Spaulding            5,200	28-JAN	 50.4	 18.3	36%	 21.3	 86%	
429 Chalk Bluff               4,850	26-JAN	 24.0	 10.3	43%			
                                                Basin Average Pct. of April 1:  79%
                                                                     February 1: 124%
                              American River Basin
106 Upper Carson Pass         8,500	04-FEB	 79.4	 27.1	34%	 36.2	 75%	
331 Lower Carson Pass         8,400	04-FEB	 85.6	 28.3	33%	 39.2	 72%	
107 Caples Lake (DWR)         8,000	04-FEB	 77.0	 24.6	32%	 30.8	 80%	
365 Alpha                     7,600	29-JAN	 63.6	 23.0	36%	 33.8	 68%	
338 Lost Corner Mountain      7,500	29-JAN	 83.2	 28.2	34%	 36.2	 78%	
108 Echo Summit               7,450	29-JAN	 57.1	 18.7	33%	 33.8	 55%	
110 Lake Audrain              7,300	29-JAN	 72.8	 25.0	34%	 35.3	 71%	
109 Silver Lake               7,100	29-JAN	 60.3	 19.3	32%	 21.0	 92%	
316 Wrights Lake              6,900	29-JAN	 69.4	 23.9	34%	 32.8	 73%	
113 PHillips                  6,800	30-JAN	 62.0	 23.0	37%	 27.6	 83%	
320 Lyons Creek               6,700	28-JAN	 72.6	 23.8	33%	 31.8	 75%	
115 Huysink                   6,600	30-JAN	 81.7	 28.9	35%	 45.0	 64%	
289 Tamarack Flat             6,550	30-JAN	 64.1	 21.5	34%	 28.4	 76%	
114 Wabena Meadows            6,300	29-JAN	 86.7	 31.3	36%	 42.8	 73%	
369 Miranda Cabin             6,200	04-FEB	 93.2	 31.8	34%	 40.0	 80%	
120 Onion Creek               6,100	02-FEB	 44.5	 14.2	32%	 19.6	 72%	
371 Diamond Crossing          6,050	04-FEB	 64.6	 20.1	31%	 22.0	 91%	
122 Talbot Camp               5,750	04-FEB	 67.9	 20.6	30%	 20.9	 99%	
322 Robbs Valley              5,600	29-JAN	 45.7	 13.8	30%	 15.6	 88%	
127 Ice House                 5,300	29-JAN	 29.9	 10.0	33%	  5.8	172%	
                                                Basin Average Pct. of April 1:  82%
                                                                     February 1: 128%
                              Mokelumne River Basin
323 Highland Meadow           8,700	28-JAN	 85.5	 30.0	35%	 48.7	 62%	
364 Tragedy Creek             8,150	29-JAN	 86.9	 30.1	35%	 45.0	 67%	
129 Blue Lakes                8,000	28-JAN	 71.9	 24.0	33%	 36.2	 66%	
131 Wheeler Lake              7,800	28-JAN	 97.1	 34.8	36%	 53.3	 65%	
132 Pacific Valley            7,500	28-JAN	 76.9	 28.1	37%	 38.9	 72%	
363 Podesta                   7,200	29-JAN	 97.1	 33.2	34%	 44.8	 74%	
133 Corral Flat               7,200	30-JAN	 92.0	 32.7	36%	 40.5	 81%	
134 Bear Valley Ridge 1       6,700	28-JAN	 54.6	 18.0	33%	 24.6	 73%	
435 Lumberyard 2              6,500	30-JAN	 39.0	 13.6	35%	 13.8	 99%	
136 Hams Station              5,500	30-JAN	 23.0	  8.8	38%	  5.3	166%	*
137 Antelope Springs          4,350	30-JAN	 15.9	  6.0	38%	  2.9	207%	*
                                                Basin Average Pct. of April 1:  73%
                                                                     February 1: 116%
                              Stanislaus River Basin
345 Deadman Creek             9,250	29-JAN	 59.7	 20.4	34%	 35.1	 58%	
344 Clark Fork Meadow         8,900	29-JAN	 71.6	 23.8	33%	 39.8	 60%	
427 Gianelli Meadow           8,400	29-JAN	 90.5	 32.4	36%	 52.9	 61%	
138 Lower Relief Valley       8,100	29-JAN	 76.8	 28.4	37%	 39.6	 72%	
139 Soda Creek Flat           7,800	29-JAN	 44.9	 15.2	34%	 22.0	 69%	
384 Stanislaus Meadow         7,750	28-JAN	 92.0	 35.6	39%	 51.0	 70%	
140 Eagle Meadow              7,500	29-JAN	 51.5	 17.9	35%	 24.2	 74%	
142 Herring Creek             7,300	31-JAN	 54.6	 19.1	35%	 28.0	 68%	
143 Relief Dam                7,250	29-JAN	 44.4	 14.6	33%	 19.9	 73%	
416 Bloods Creek              7,200	26-JAN	 67.9	 22.8	34%	 34.6	 66%	
432 Sapps Hollow              6,950	28-JAN	 78.0	 24.3	31%	 33.0	 74%	
430 Corral Meadow             6,650	28-JAN	 67.4	 21.7	32%	 19.7	110%	
373 Hells Kitchen             6,550	26-JAN	 48.9	 15.9	33%	 21.8	 73%	
145 Niagara Flat              6,500	31-JAN	 46.9	 15.6	33%	 19.6	 80%	
386 Black Springs             6,500	26-JAN	 59.8	 20.4	34%	 22.0	 93%	
                                                Basin Average Pct. of April 1:  73%
                                                                     February 1: 116%
                              Tuolumne River Basin
157 Dana Meadows              9,800	27-JAN	 57.9	 20.0	35%	 31.1	 64%	
158 Rafferty Meadows          9,400	28-JAN	 62.7	 21.7	35%	 32.8	 66%	
159 Bond Pass                 9,300	25-JAN	 73.7	 26.8	36%	 44.9	 60%	
368 New Grace Meadow          8,900	28-JAN	 91.4	 31.9	35%	 48.0	 66%	
161 Tuolumne Meadows          8,600	28-JAN	 51.9	 17.4	34%	 22.7	 77%	
162 Horse Meadow              8,400	25-JAN	 74.0	 25.9	35%	 46.7	 55%	
163 Wilma Lake                8,000	28-JAN	 91.9	 30.8	34%	 43.2	 71%	
165 Sachse Springs            7,900	27-JAN	 82.8	 29.0	35%	 38.1	 76%	
166 Huckleberry Lake          7,800	26-JAN	 73.1	 25.4	35%	 41.9	 61%	
164 Spotted Fawn              7,800	27-JAN	 83.0	 29.7	36%	 45.6	 65%	
167 Paradise Meadow           7,650	29-JAN	 87.2	 30.7	35%	 39.9	 77%	
348 Kerrick Corral            7,000	28-JAN	 64.3	 20.8	32%	 23.5	 89%	
168 Upper Kibbie Ridge        6,700	28-JAN	 50.7	 15.8	31%	 18.6	 85%	
173 Lower Kibbie              6,700	28-JAN	 61.5	 20.7	34%	 26.0	 80%	
169 Vernon Lake               6,700	29-JAN	 55.0	 18.1	33%	 22.4	 81%	
171 Beehive Meadow            6,500	30-JAN	 55.8	 18.1	32%	 23.5	 77%	
172 Bell Meadow               6,500	28-JAN	 44.4	 14.1	32%	 15.5	 91%	
                                                Basin Average Pct. of April 1:  73%
                                                                     February 1: 116%
                              Merced River Basin
176 Snow Flat                 8,700	29-JAN	 84.2	 28.0	33%	 44.5	 63%	
177 Ostrander Lake            8,200	30-JAN	 58.2	 21.2	36%	 32.6	 65%	
178 Tenaya Lake               8,150	29-JAN	 68.3	 22.0	32%	 33.6	 65%	
179 Gin Flat (Course)         7,000	27-JAN	 69.2	 26.7	39%	 32.0	 83%	
180 Peregoy Meadows           7,000	28-JAN	 49.1	 16.2	33%	 29.3	 55%	
                                                Basin Average Pct. of April 1:  66%
                                                                     February 1: 105%
                              San Joaquin River Basin
182 Mono Pass                11,450	29-JAN	 59.6	 16.6	28%	 30.8	 54%	
183 Piute Pass               11,300	31-JAN	 62.0	 22.1	36%	 37.9	 58%	
276 Pioneer Basin            10,400	29-JAN	 57.9	 17.1	30%	 34.0	 50%	
185 Heart Lake               10,100	29-JAN	 51.9	 14.0	27%	 27.9	 50%	
187 Rose Marie               10,000	29-JAN	 55.8	 15.6	28%	 29.7	 53%	
189 Agnew Pass                9,450		Scheduled for measurement by Southern California Edison Company, Bishop
190 Kaiser Pass               9,100	28-JAN	 70.0	 21.7	31%	 39.0	 56%	
191 Dutch Lake                9,100	28-JAN	 50.8	 13.6	27%	 28.1	 48%	
192 Coyote Lake               8,850	28-JAN	 58.5	 16.5	28%	 32.2	 51%	
346 Badger Flat               8,300		Scheduled for measurement by Southern California Edison Company, Big Creek
194 Nellie Lake               8,000	28-JAN	 75.9	 22.7	30%	 35.8	 63%	
324 Lake Thomas A Edison      7,800		Scheduled for measurement by Southern California Edison Company, Big Creek
196 Chilkoot Lake             7,450	27-JAN	 66.8	 24.2	36%	 36.8	 66%	
347 Tamarack Creek            7,250		Scheduled for measurement by Southern California Edison Company, Big Creek
198 Florence Lake             7,200		Scheduled for measurement by Southern California Edison Company, Big Creek
197 Chilkoot Meadow           7,150	27-JAN	 67.7	 25.4	38%	 36.6	 69%	
199 Huntington Lake           7,000	26-JAN	 35.5	 10.0	28%	 18.6	 54%	
204 Poison Meadow             6,800	27-JAN	 45.3	 14.7	32%	 24.8	 59%	
                                                Basin Average Pct. of April 1:  56%
                                                                     February 1:  89%
                              Kings River Basin
222 Bishop Pass              11,200	29-JAN	 57.7	 20.2	35%	 35.0	 58%	
299 Charlotte Ridge          10,700	26-JAN	 60.7	 22.8	38%	 29.9	 76%	
307 Bullfrog Lake            10,650	26-JAN	 58.0	 21.9	38%	 28.5	 77%	
398 Bench Lake               10,600	26-JAN	 53.3	 17.3	32%	 27.1	 64%	
223 Blackcap Basin           10,300	28-JAN	 59.8	 19.6	33%	 34.1	 57%	
396 Rattlesnake Creek Ba      9,900	29-JAN	 60.7	 20.0	33%	 39.8	 50%	
225 Beard Meadow              9,800	28-JAN	 58.3	 19.2	33%	 33.3	 58%	
224 Upper Burnt Corral        9,700	28-JAN	 66.4	 21.0	32%	 37.8	 56%	
397 Scenic Meadow             9,650	26-JAN	 45.0	 14.7	33%	 24.1	 61%	
229 Round Corral              9,000	29-JAN	 67.0	 21.7	32%	 35.8	 61%	
226 Rowell Meadow             8,850	26-JAN	 46.2	 16.0	35%	 26.5	 60%	
227 Woodchuck Meadow          8,800	29-JAN	 62.5	 19.2	31%	 31.5	 61%	
232 Long Meadow (Kings R)     8,500	28-JAN	 56.1	 16.5	29%	 29.3	 56%	
426 Courtright                8,350	28-JAN	 53.4	 17.6	33%	 30.7	 57%	
233 Statum Meadow             8,300	29-JAN	 57.4	 17.4	30%	 32.3	 54%	
230 Helms Meadow              8,250	29-JAN	 54.3	 15.9	29%	 26.7	 60%	
234 Post Corral Meadow        8,200	28-JAN	 51.2	 16.1	31%	 26.3	 61%	
308 Dodsons Meadow            8,050	28-JAN	 60.6	 16.6	27%	 29.6	 56%	
237 Horse Corral Meadow       7,600	26-JAN	 32.7	 10.4	32%	 16.3	 64%	
236 Big Meadows               7,600		Scheduled for measurement by Kings River Water Association
239 Fred Meadow               6,950		Scheduled for measurement by Pacific Gas and Electric Company, Auberry
240 Grant Grove               6,600	30-JAN	 27.3	  8.9	33%	 13.4	 66%	
                                                Basin Average Pct. of April 1:  61%
                                                                     February 1:  99%
                              Kaweah River Basin
292 Farewell Gap              9,500	29-JAN	 58.6	 20.8	35%	 35.8	 58%	
243 Panther Meadow            8,600	31-JAN	 63.8	 22.7	36%	 36.7	 62%	
245 Mineral King              8,000	29-JAN	 47.5	 14.8	31%	 20.6	 72%	
246 Giant Forest              6,400	26-JAN	 25.9	  8.5	33%	 14.7	 58%	
                                                Basin Average Pct. of April 1:  62%
                                                                     February 1: 102%
                              Tule River Basin
247 Quaking Aspen             7,000	29-JAN	 33.2	 10.9	33%	 12.3	 89%	
                                                Basin Average Pct. of April 1:  89%
                                                                     February 1: 145%
                              Kern River Basin
250 Bighorn Plateau          11,350	28-JAN	 42.4	 13.6	32%	 23.7	 57%	
251 Cottonwood Pass          11,050	26-JAN	 30.5	  9.9	32%	 14.8	 67%	
252 Siberian Pass            10,900	26-JAN	 37.5	 10.6	28%	 20.0	 53%	
253 Crabtree Meadow          10,700	27-JAN	 38.0	 10.5	28%	 19.6	 54%	
255 Tyndall Creek            10,650	29-JAN	 39.2	 11.6	30%	 18.8	 62%	
254 Guyot Flat               10,650	27-JAN	 39.0	 10.9	28%	 20.8	 52%	
275 Sandy Meadows            10,650	28-JAN	 38.4	 10.8	28%	 19.2	 56%	
257 Big Whitney Meadow        9,750	31-JAN	 30.4	  8.8	29%	 17.2	 51%	
256 Rock Creek                9,600	27-JAN	 39.1	 11.3	29%	 17.8	 63%	
258 Round Meadow              9,000	31-JAN	 47.7	 16.2	34%	 24.1	 67%	
259 Ramshaw Meadows           8,700	01-FEB	 23.5	  5.2	22%	 11.5	 45%	
260 Little Whitney Meadow     8,500	31-JAN	 32.5	  9.4	29%	 12.9	 73%	
261 Bonita Meadows            8,300	31-JAN	 28.9	  8.3	29%	 13.6	 61%	
262 Casa Vieja Meadows        8,300	31-JAN	 41.4	 14.1	34%	 19.8	 71%	
265 Beach Meadows             7,650	30-JAN	 27.3	  8.2	30%	  8.3	 99%	
249 Dead Horse Meadow         7,300		Scheduled for measurement by Hot Springs Ranger District
                                                Basin Average Pct. of April 1:  62%
                                                                     February 1: 102%
                              Surprise Valley Basin
313 Barber Creek              6,500	27-JAN	 36.7	 12.4	34%	 10.7	116%	
350 49 Mountain               6,000	27-JAN	 22.0	  4.8	22%			
                                                Basin Average Pct. of April 1: 116%
                                                                     February 1: 184%
                              Truckee River Basin
318 Squaw Valley 2            7,700	31-JAN	 81.4	 31.0	38%	 48.4	 64%	
 89 Webber Lake               7,000	30-JAN	 75.2	 25.3	34%	 31.7	 80%	
                                                Basin Average Pct. of April 1:  72%
                                                                     February 1: 114%
                              Lake Tahoe Basin
100 Freel Bench               7,300	27-JAN	 26.0	  9.0	35%	 10.4	 87%	
333 Glenbrook 2 (Nevada)      6,900	26-JAN	 26.0	  8.0	31%	 11.6	 69%	
103 Richardsons 2             6,500	29-JAN	 35.0	 10.6	30%	 15.6	 68%	
104 Upper Truckee             6,400	27-JAN	 18.0	  5.0	28%	  7.4	 68%	
                                                Basin Average Pct. of April 1:  73%
                                                                     February 1: 115%
                              Walker River Basin
421 Leavitt Lake              9,600	31-JAN	 73.1	 27.8	38%	 50.8	 55%	
150 Virginia Lakes            9,400	26-JAN	 36.0	 12.8	36%	 18.0	 71%	
377 Virginia Lakes Ridge      9,300	26-JAN	 31.0	 10.3	33%	 19.5	 53%	
422 Sawmill Ridge             8,750	31-JAN	 39.5	 13.8	35%	 18.8	 73%	
152 Sonora Pass               8,750	29-JAN	 50.8	 17.3	34%	 24.9	 69%	
154 Willow Flat               8,250	31-JAN	 22.8	  7.4	32%	  9.9	 75%	
                                                Basin Average Pct. of April 1:  66%
                                                                     February 1: 105%
                              Mono Lake Basin
281 Gem Pass                 10,750		Scheduled for measurement by Southern California Edison Company, Bishop
181 Tioga Pass                9,800	26-JAN	 47.0	 16.3	35%	 26.8	 61%	
287 Saddlebag Lake            9,750	26-JAN	 58.2	 19.5	34%	 31.3	 62%	
286 Ellery Lake               9,600	26-JAN	 52.5	 17.7	34%	 29.0	 61%	
282 Gem Lake                  9,150		Scheduled for measurement by Southern California Edison Company, Bishop
                                                Basin Average Pct. of April 1:  61%
                                                                     February 1:  97%
                              Owens River Basin
284 Bishop Lake              11,300	28-JAN	 44.6	 13.8	31%	 21.9	 63%	
220 Cottonwood Lakes 2       11,100	22-JAN	 27.6	  7.7	28%	 14.1	 55%	
212 East Piute Pass          10,800	31-JAN	 30.4	 11.4	38%	 15.2	 75%	
213 Sawmill                  10,200	28-JAN	 35.7	 10.4	29%	 19.0	 55%	
221 Cottonwood Lakes 1       10,150	22-JAN	 28.1	  7.0	25%	 12.3	 57%	
209 Rock Creek 3             10,000	28-JAN	 32.6	  9.6	29%	 14.7	 65%	
217 Big Pine Creek 1         10,000	26-JAN	 35.7	 10.5	29%	 22.6	 46%	
218 Big Pine Creek 3          9,800	26-JAN	 36.1	 10.7	30%	 18.3	 58%	
219 Big Pine Creek 2          9,700	26-JAN	 24.8	  6.9	28%	 14.8	 47%	
205 Mammoth Pass (DWR)        9,300	29-JAN	 76.6	 28.1	37%	 41.9	 67%	
214 North Lake                9,300	01-FEB	 26.1	  7.0	27%	 10.2	 69%	
423 Trailhead                 9,100	23-JAN	 29.0	  7.2	25%	 13.2	 55%	
210 Rock Creek 2              9,050	28-JAN	 28.5	  8.2	29%	 11.0	 75%	
206 Minarets 2                9,000	29-JAN	 55.1	 19.6	36%	 29.1	 67%	
211 Rock Creek 1              8,700	28-JAN	 25.1	  6.6	26%	  7.5	 88%	
208 Mammoth                   8,300	29-JAN	 36.1	 11.6	32%	 20.2	 57%	
                                                Basin Average Pct. of April 1:  62%
                                                                     February 1:  99%

Summary of Snow Surveys

RegionNo. BasinsNo. CoursesAvg WC% Average
April 1
% Average
February 1
North Coast 3 10 26.0" 89% 143%
Sacramento 6 70 24.4" 79% 124%
San Joaquin Valley 5 59 22.3" 69% 109%
Tulare Lake 4 40 14.8" 62% 102%
North Lahontan 3 12 14.9" 69% 110%
South Lahontan 2 19 12.1" 62% 99%
Statewide Average (weighted) 73%116%

* This course not included in river, basin or Statewide computations.

THIS SUMMARY MAY NOT MATCH THAT PUBLISHED IN BULLETIN 120 DUE TO CHANGES IN AVERAGES AND COURSE SELECTION. USE ONLY FOR COMPARISONS BETWEEN YEARS

Data are preliminary and subject to revision. This document is updated every 30 minutes during the data-collection period.

hart@water.ca.gov


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