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:(100448) ARROWROCK DAM
From Year=1916 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
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Ja 33.8 19.5 26.6 55 08/1990 -20 10/1949 36.4 53 2.2 49 0.0 11.7 28.2 2.0
Fe 40.7 23.1 31.9 67 29/1992 -20 03/1950 40.9 63 20.5 89 0.0 3.8 24.3 0.9
Ma 49.5 28.6 39.1 77 28/1986 -1 02/1971 47.1 92 31.2 76 0.0 0.4 22.7 0.0
Ap 60.0 35.5 47.8 92 28/1987 8 01/1936 55.6 99 40.0 75 0.0 0.0 9.7 0.0
Ma 69.7 42.7 56.2 98 28/1919 21 01/1972 63.4 24 50.0 77 0.9 0.0 1.5 0.0
Jn 78.8 49.3 64.1 108 19/1940 32 21/1916 72.6 18 58.8 53 4.9 0.0 0.0 0.0
Jl 90.5 56.3 73.4 112 29/1934 37 08/1999 79.5 60 63.6 93 18.6 0.0 0.0 0.0
Au 89.3 55.0 72.1 109 03/1961 36 30/1932 77.9 61 65.7 68 17.2 0.0 0.0 0.0
Se 78.1 45.8 61.9 105 04/1950 21 24/1926 67.8 90 54.7 70 4.4 0.0 0.7 0.0
Oc 63.7 37.0 50.3 94 01/1992 16 31/1919 57.8 88 43.9 46 0.0 0.0 7.5 0.0
No 45.5 29.0 37.3 73 01/1988 -6 15/1955 43.1 65 28.7 85 0.0 1.8 20.0 0.1
De 35.6 22.1 28.8 59 23/1964 -18 22/1990 36.6 58 17.5 85 0.0 9.1 27.6 0.9
An 61.3 37.0 49.1 112 19340729 -20 19490110 51.3 92 46.1 55 46.0 26.8142.3 3.9
Wi 36.7 21.5 29.1 67 19920229 -20 19490110 35.1 59 15.3 49 0.0 24.6 80.1 3.8
Sp 59.7 35.6 47.7 98 19190528 -1 19710302 53.8 99 42.3 55 0.9 0.4 33.8 0.0
Su 86.2 53.5 69.9 112 19340729 32 19160621 75.5 61 63.7 93 40.6 0.0 0.0 0.0
Fa 62.4 37.3 49.8 105 19500904 -6 19551115 54.4 63 46.2 70 4.4 1.8 28.3 0.1
Station:(100448) ARROWROCK DAM From Year=1916 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"
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Ja 3.03 9.09 70 0.17 85 2.20 18/1953 13.4 48.0 64 11 7 2 1
Fe 2.35 8.48 86 0.19 64 1.53 13/1975 8.2 65.0 49 10 6 1 0
Ma 1.85 4.84 83 0.14 94 1.14 23/1998 2.9 16.0 85 10 6 1 0
Ap 1.53 3.94 65 0.04 49 1.37 14/1973 0.1 2.0 82 8 5 1 0
Ma 1.32 5.06 98 0.00 24 1.26 29/1990 0.0 0.6 32 7 4 1 0
Jn 0.99 3.46 58 0.00 17 1.44 30/1938 0.0 0.0 16 6 3 0 0
Jl 0.29 2.09 38 0.00 17 1.20 05/1938 0.0 0.0 16 2 1 0 0
Au 0.29 3.85 68 0.00 17 1.08 12/1941 0.0 0.0 16 2 1 0 0
Se 0.66 3.74 59 0.00 16 1.69 26/1959 0.0 0.0 16 4 2 0 0
Oc 1.18 3.69 56 0.00 36 1.35 23/1985 0.1 3.0 75 6 4 1 0
No 2.65 6.50 88 0.06 76 2.05 27/1971 4.8 31.0 85 10 7 2 0
De 2.77 7.57 64 0.12 76 1.68 20/1957 12.5 50.0 71 11 7 2 0
An 18.92 30.10 83 12.32 66 2.20 19530118 41.9 96.8 49 87 52 10 2
Wi 8.16 14.73 82 1.38 77 2.20 19530118 34.1 122.9 49 32 20 5 1
Sp 4.70 8.62 83 1.67 69 1.37 19730414 3.0 16.0 85 25 14 2 0
Su 1.57 4.65 68 0.00 17 1.44 19380630 0.0 0.0 16 10 5 1 0
Fa 4.49 8.06 70 0.78 52 2.05 19711127 4.8 32.0 85 20 12 2 0