For monthly and annual means, thresholds, and sums:
 Months with  5 or more missing   days are not considered
 Years  with  1 or more missing months are not considered

Station:(104598) ISLAND PARK              
From Year=1937 To Year=1999                                   #Day-Max #Day-Min
       Averages         Daily Extremes         Mean Extremes   >=   =<   =<  =<
    Max  Min Mean  High---Date  Low---Date   High-Yr  Low-Yr   90   32   32   0
-------------------------------------------------------------------------------
Ja 26.0  2.2 14.1  49  02/1981 -60  18/1943  25.8 53  1.7 49  0.0 23.8 30.8 13.7
Fe 31.5  4.5 18.0  55  06/1963 -54  05/1982  26.7 58  7.2 85  0.0 15.6 28.1 10.8
Ma 37.9  9.5 23.7  60  22/1972 -36  05/1955  34.8 92 12.0 65  0.0  7.8 30.8  8.4
Ap 48.0 21.2 34.6  76  30/1985 -18  02/1975  41.9 90 26.5 70  0.0  0.5 28.2  0.7
Ma 59.6 31.0 45.3  84  31/1986   7  02/1967  52.1 58 39.6 75  0.0  0.0 18.9  0.0
Jn 68.7 37.7 53.2  90  25/1988  20  19/1983  59.8 88 47.7 51  0.0  0.0  5.5  0.0
Jl 78.6 42.8 60.7  94  20/1960  25  13/1943  64.2 75 52.0 93  0.3  0.0  1.3  0.0
Au 78.1 40.7 59.4  96  03/1961  20  26/1992  64.6 71 54.3 68  0.5  0.0  3.2  0.0
Se 68.4 33.1 50.8  91  03/1950   8  20/1983  58.2 98 42.2 65  0.1  0.0 14.4  0.0
Oc 55.0 25.2 40.1  80  02/1992  -6  29/1971  46.7 44 33.9 46  0.0  0.8 27.1  0.1
No 36.9 14.9 25.9  69  19/1940 -34  16/1955  35.0 39 17.9 82  0.0  9.7 29.4  4.1
De 27.3  5.0 16.2  56  05/1939 -51  17/1964  25.8 39  2.5 78  0.0 22.2 30.7 11.5
An 51.3 22.3 36.8  96 19610803 -60 19430118  40.3 98 33.8 64  0.9 80.4248.3 49.3
Wi 28.3  3.9 16.1  56 19391205 -60 19430118  21.7 40  8.6 49  0.0 61.6 89.6 36.0
Sp 48.5 20.6 34.5  84 19860531 -36 19550305  42.8 92 29.3 65  0.0  8.3 77.9  9.1
Su 75.1 40.4 57.8  96 19610803  20 19830619  61.3 61 53.0 93  0.9  0.0 10.0  0.0
Fa 53.4 24.4 38.9  91 19500903 -34 19551116  44.5 98 34.0 61  0.1 10.5 70.9  4.2
Station:(104598) ISLAND PARK               From Year=1937 To Year=1999
Missing data not yet determined
       Total Precipitation       Precipitation  Total Snowfall  #Days Precip >=
    Mean   High--Yr    Low--Yr     1-Day Max    Mean   High-Yr .01 .10 .50 1.00"
-------------------------------------------------------------------------------
Ja  3.85  12.06  69   0.47  92   3.12  04/1982  47.6 101.5  52  15  10   2   0
Fe  3.07   6.13  49   0.33  91   2.41  15/1982  37.0  78.0  49  12   8   2   0
Ma  2.57   8.40  74   0.29  65   1.52  02/1974  29.3  73.5  74  11   7   1   0
Ap  1.96   4.79  65   0.42  52   1.46  12/1982  12.4  48.5  75   9   6   1   0
Ma  2.52   5.52  63   0.50  40   1.53  10/1967   4.2  18.0  42  10   7   2   0
Jn  2.78   7.74  44   0.00  38   2.11  10/1970   0.4   4.0  40  11   7   2   0
Jl  1.31   3.79  83   0.20  88   1.23  10/1983   0.0   0.0  37   7   4   1   0
Au  1.48   6.16  68   0.19  70   1.40  04/1951   0.1   4.0  60   7   4   1   0
Se  1.61   4.12  72   0.00  37   1.56  22/1945   1.2  12.0  45   7   4   1   0
Oc  1.88   5.15  61   0.00  52   1.86  15/1938   6.6  25.5  56   7   5   1   0
No  2.65   6.89  73   0.00  39   1.97  10/1949  24.2  68.0  73  10   7   2   0
De  3.41   8.31  96   0.00  37   1.47  07/1952  44.2 130.5  71  13   9   2   0
An 29.10  42.90  70  18.43  90   3.12 19820104 207.2 371.0  75 118  79  16   3
Wi 10.33  19.87  69   3.19  91   3.12 19820104 128.8 262.5  52  39  28   6   1
Sp  7.06  11.40  63   2.61  92   1.53 19670510  45.9 112.0  75  29  19   4   1
Su  5.57  11.02  45   1.82  46   2.11 19700610   0.5   4.0  40  25  16   3   0
Fa  6.14  11.87  46   2.02  52   1.97 19491110  32.0  75.0  73  24  16   4   1