SNOW COURSE:  CHELATNA LAKE

				ID NUMBER = 51N01
				ELEVATION = 1450 ft.
				LATITUDE  =  62 deg. 30 min.
				LONGITUDE = 151 deg. 25 min.

	REMARKS -	AERIAL MARKER IN SLOPING GRASSY MEADOW SURROUNDED BY WILLOW AND SPARSE TIMBER.  TOPOGRAPHY PROVIDES GOOD WIND PROTECTION.  OCCASIONALLY GROUND SURVEYED.

year/   January        February        March          April           May       
     date dep  swe  date dep  swe  date dep  swe  date dep  swe  date dep  swe  
     ---- --- ----- ---- --- ----- ---- --- ----- ---- --- ----- ---- --- ----- 
64                  EST   34   7.6 2/27  39   9.5 3/26  45  11.7 EST   41  12.1

65                  2/01  30   6.6 2/24  38   9.5 EST   45  11.6 EST   41  12.0
66                  2/02  30   7.5 3/03  36   9.0 3/28  32   8.7 4/28  33   9.9
67                  2/01  27   7.0 2/28  34   7.8 3/30  36   9.2 5/01  36  10.8
68                  2/06  33   8.2 2/29  36   9.0 EST   43  11.5 4/30  39   9.8
69                  2/02  21   3.4 3/02  37   6.6 3/27  39   8.6 4/29  27   7.8

70                  2/02  25   5.0 3/02  36   7.2 3/31  44   9.7 5/04  45  11.2
71                  2/02  20   4.2 2/25  43   9.5 3/30  39   9.7 4/30  38  10.6
72                  2/03  48   9.6 2/26  38   9.5 3/30  48  12.0 4/27  48  12.0
73                  1/31  33   6.0 3/02  39   7.8 3/30  45  10.8 5/01  35   9.8
74                  1/29  27   6.0 2/28  34   7.5 4/01  30   7.9 4/29  27   7.6

75                  1/29  44   9.7 2/28  44  10.0 4/02  45  12.0 4/29  48  15.8
76                  2/02  38   7.6 2/28  40   8.0 3/30  50  10.5 4/30  37  10.8
77                  2/03  28   7.3 2/28  29   7.8 3/31  36  10.1 4/27  35  11.2
78                  1/27  25   4.3 3/02  33   6.6 4/01  38   8.7 4/28  29   9.3
79                  1/30  39  10.0 3/01  35  10.0 3/28  37  11.4 4/29  34  11.5

80                  1/30  33   8.2 2/29  36  10.8 3/25  45  12.6 4/29  36  11.5
81                  1/28  20   4.4 2/28  33   7.4 3/31  30   8.1 4/28  24   7.0
82                  1/26  20   4.8 3/01  20   5.0 3/26  33   7.6 EST   29   8.4
83                  1/28  41  12.7 2/24  44  13.2 3/29  46  13.8 4/27  47  15.0
84                  1/27  39  11.7 2/28  54  13.8 3/28  45  14.0 4/25  47  14.9

85                  1/28  30   7.2 EST   52  10.4 3/25  51  13.3 5/01  41  14.3
86                  1/27  20   4.0 2/27  30   7.2 3/31  31   7.4 4/28  30   8.4
87                  1/27  48  12.5 2/27  49  13.7 3/30  47  15.0 4/27  47  16.4
88                  1/26  42  10.9 3/01  43  12.0 3/28  42  12.2 4/27  40  12.4
89                  2/02  40  10.2 2/26  45  11.2 3/29  47  12.9 4/27  30  10.8

90                  1/29  51  12.5 EST   74  17.0 3/26  64  19.2 4/26  35  13.6
91                  EST   37   8.5 EST   46  10.5 EST   52  13.0
92                  EST   52  10.5 EST   52  12.3 3/30  53  14.8
93                  EST   53  10.7 3/01  53  12.9 3/29  53  15.4
94                  EST   40   8.9 EST   38   9.7 3/31  49  13.2 4/29  36  13.5

95  12/31  40   8.0 1/28  37   9.2 2/28  41   9.7 3/28  34  10.0 4/28  17   8.5
96                  2/02  18   2.9 2/28  40   6.8 3/26  38   7.8 4/26  12   4.7
97  12/30  31   7.2 2/04  44   8.8 3/03  44  10.1 4/03  38  10.1 4/28  21   9.1
98   1/04  29   6.7 1/29  30   7.7 3/03  32   8.0 3/30  29   8.4 4/30  28   9.5
99                  1/29  42   8.0 3/03  36   8.2 4/03  41   9.8 4/29  23   7.4

00                  EST   46   9.6 2/26  46  12.6 3/31  59  17.7 4/27   24   9.6
01                  1/29  21   4.9 3/01  32   7.8 3/30  46  11.0 4/29   34  11.0
02                  2/01  42   8.8 3/01  38   9.0 3/30  35   9.3 5/01   30   9.5
03                  1/28  11   2.3 EST   35   6.8 3/28  35   8.8 4/28   14   4.5
04                  1/29  31   7.1 3/03  45  10.0                4/30   11   4.3

05                  2/03  47  14.3 3/01  56  16.7 4/01  58  18.5 4/27   45  18.5


FIRST OF MONTH MEASUREMENTS

1971-2000 average (estimated if less than 30 years) depth and swe (snow water equivalent) :
                          36   8.3       42  10.0       44  11.6       33  10.9 


                                  SNOW COURSE:	CHETLATNA LAKE

                                  ID NUMBER =	51N01
                                  ELEVATION =	1650	ft.	
                                  LATITUDE  = 	62	deg.	30	min.	
                                  LONGITUDE =	151	deg.	25	min.	

	
year/   June           September      October        November        December     
     date dep swe   date dep  swe  date dep  swe  date dep  swe  date dep  swe  
     ---- --- ----- ---- --- ----- ---- --- ----- ---- --- ----- ---- --- ----- 
94                                                               11/28 23  4.1

 
95                                                               11/29  8  1.8
96                                                               12/03 32  7.0
97                                                               12/03 14  2.9 
98
99                                                               11/30 14  2.4

00
01 
02                                                               12/03  6  1.5 
03                                                               12/02 17  2.8
04                                                               12/03 44  8.8

05								 11/29 23  4.1