Snow Course Measurements for January 2006

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
                              Pit River Basin
343 New Manzanita Lake        5,900     31-DEC    0.0     0.0             8.0     0%    
                                                Basin Average Pct. of April 1:   0%
                                                                     January 1:   0%
                              Feather River Basin
361 Kettle Rock               7,300             Scheduled for measurement by CA Dept of Water Resources, Beckwourth
359 Grizzly Ridge             6,900             Scheduled for measurement by CA Dept of Water Resources, Beckwourth
 75 Church Meadows            6,700             Scheduled for measurement by CA Dept of Water Resources, Beckwourth
280 Rowland Creek             6,700             Scheduled for measurement by CA Dept of Water Resources, Beckwourth
360 Mount Hough               6,700             Scheduled for measurement by CA Dept of Water Resources, Beckwourth
353 Frenchman Cove            5,800             Scheduled for measurement by CA Dept of Water Resources, Beckwourth
354 Antelope Ridge            5,650             Scheduled for measurement by CA Dept of Water Resources, Beckwourth
355 Abbey                     5,650             Scheduled for measurement by CA Dept of Water Resources, Beckwourth
                              Yuba River Basin
 65 Castle Creek 5            7,400     30-DEC   49.8    15.6   31%      52.1    30%    
                                                Basin Average Pct. of April 1:  30%
                                                                     January 1:  81%
                              American River Basin
106 Upper Carson Pass         8,500     27-DEC   55.5    17.8   32%      36.2    49%    
331 Lower Carson Pass         8,400     27-DEC   54.8    16.0   29%      39.2    41%    
107 Caples Lake (DWR)         8,000     27-DEC   44.4    13.7   31%      30.8    44%    
365 Alpha                     7,600             Scheduled for measurement by CA Dept of Water Resources/Snow Surveys
108 Echo Summit               7,450     03-JAN   45.3    12.1   27%      33.8    36%    
110 Lake Audrain              7,300     03-JAN   61.5    19.5   32%      35.3    55%    
113 PHillips                  6,800     04-JAN   41.1    11.0   27%      27.6    40%    
320 Lyons Creek               6,700             Scheduled for measurement by CA Dept of Water Resources/Snow Surveys
289 Tamarack Flat             6,550     03-JAN   45.1    11.0   24%      28.4    39%    
                                                Basin Average Pct. of April 1:  43%
                                                                     January 1: 117%

Summary of Snow Surveys

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.

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