HOWARD PRAIRIE DAM, OREGON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(354060)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1960 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 36.70 t 33.74 26.47 20.84 27.02
1961 23.61 25.07 25.13 28.07 33.94 44.00 44.00 46.81 36.07 33.68 24.30 20.19 32.07
1962 11.97 19.18 21.13 29.10 33.35 38.17 42.39 42.77 39.30 ----- z 29.03 25.81 30.20
1963 14.77 29.68 24.90 26.07 35.65 39.47 40.48 42.13 42.93 34.68 29.20 23.87 31.99
1964 18.97 13.69 19.23 25.21 a 32.71 38.47 44.23 40.65 34.17 33.87 24.33 24.48 29.17
1965 22.97 a 19.54 24.23 31.00 30.77 39.47 42.58 44.03 34.40 33.71 29.97 20.06 31.06
1966 18.45 15.79 20.68 27.97 34.61 38.63 40.94 44.81 39.23 31.35 29.03 23.35 30.40
1967 20.94 20.36 21.71 23.60 32.55 41.40 45.77 47.03 42.03 32.58 29.33 15.03 31.03
1968 16.68 25.61 a 25.65 25.27 31.13 39.77 45.13 42.10 38.30 31.35 26.83 16.48 30.36
1969 13.84 18.32 16.61 25.20 34.94 42.80 44.29 39.94 39.33 30.39 26.60 25.48 29.81
1970 23.74 24.36 25.42 24.43 32.61 42.57 43.97 41.16 32.87 28.23 29.50 17.77 30.55
1971 15.42 16.61 20.39 24.20 31.48 37.00 45.87 45.97 35.87 29.10 26.00 17.19 28.76
1972 14.13 22.03 27.03 26.13 34.42 41.03 45.00 43.81 35.70 31.63 a 27.37 16.87 30.43
1973 17.42 24.29 22.87 27.13 35.81 39.57 43.48 41.87 37.13 31.32 28.13 26.90 31.33
1974 15.74 18.29 23.74 26.90 31.77 41.27 42.42 42.45 37.63 28.48 25.83 20.35 29.57
1975 13.68 16.29 19.65 19.23 28.71 35.20 41.19 37.74 36.57 32.42 24.13 25.13 27.49
1976 20.16 19.90 19.65 26.23 31.68 35.80 43.55 42.00 39.87 32.61 28.80 20.52 30.06
1977 16.03 24.29 22.81 27.53 31.00 43.73 42.10 46.16 38.07 32.10 25.17 23.48 31.04
1978 25.39 23.86 28.42 28.77 31.74 39.40 45.19 43.90 37.63 32.52 21.03 13.45 30.94
1979 14.71 22.71 25.87 29.23 35.03 38.70 43.48 43.48 40.77 37.32 25.37 24.19 31.74
1980 20.58 28.59 25.23 29.30 33.00 ----- z 44.00 40.61 38.27 34.32 28.57 23.58 31.46
1981 26.65 22.54 26.29 30.07 33.94 39.43 42.26 44.84 39.30 31.52 29.33 27.58 32.81
1982 16.84 18.54 23.32 23.93 31.74 41.37 43.65 43.13 36.83 32.68 23.63 21.06 29.73
1983 23.74 25.50 28.61 26.63 34.52 37.87 40.52 45.81 37.60 34.29 27.60 22.81 32.12
1984 19.90 21.21 26.74 27.73 32.97 37.87 45.06 43.74 36.97 30.94 25.97 15.45 30.38
1985 18.19 16.54 18.68 29.00 32.48 39.20 46.84 40.61 35.07 29.45 18.30 20.23 28.72
1986 26.61 26.86 28.58 29.97 34.29 43.70 41.10 46.55 35.23 31.90 27.53 23.26 32.97
1987 17.71 22.54 26.13 30.23 36.42 41.97 42.19 42.06 39.53 35.39 28.83 20.74 31.98
1988 19.16 21.17 24.77 30.37 32.32 41.13 46.48 42.26 37.10 35.06 27.70 21.06 31.55
1989 16.48 13.79 25.84 32.50 33.19 40.73 42.32 41.65 36.67 32.39 26.97 23.32 30.49
1990 21.83 b 17.04 25.32 33.53 33.65 39.83 46.52 46.16 40.40 30.84 25.07 12.52 31.06
1991 19.10 28.50 24.48 29.03 32.13 37.37 46.81 ----- z 39.83 32.97 29.23 23.23 31.15
1992 22.81 28.66 30.19 34.87 38.94 44.13 46.19 45.35 37.27 33.39 25.73 19.55 k 35.23
1993 17.71 17.21 29.42 30.03 37.23 38.33 40.81 43.90 38.60 35.23 21.13 20.94 30.88
1994 23.58 20.46 25.90 31.30 37.35 39.30 47.26 42.65 38.93 29.94 17.17 19.77 31.13
1995 26.23 27.11 25.97 28.83 36.45 40.50 46.32 41.58 40.80 31.29 32.20 27.42 33.72
1996 26.58 25.72 26.19 30.43 33.97 40.43 48.19 44.48 36.67 31.81 28.63 24.71 33.15
1997 22.13 24.00 28.29 30.67 39.26 40.93 46.26 47.45 41.23 33.81 31.57 20.65 33.85
1998 28.65 26.86 26.97 30.93 34.90 40.67 49.87 47.06 42.73 32.68 29.83 19.06 34.18
1999 22.55 20.65 b 23.48 27.18 b 34.04 c 39.72 a 44.19 47.00 c 39.87 35.11 c 32.40 24.73 a 32.58
2000 25.16 28.64 a 25.84 32.03 36.84 43.67 45.89 d 45.82 c 39.75 b 33.28 b 24.86 a 26.27 a 34.00
2001 22.27 a 20.88 b 28.32 28.40 38.43 a 40.26 c 45.79 b 47.13 41.24 a 34.03 29.40 24.83 b 33.42
2002 20.68 24.11 24.03 31.37 34.74 42.27 49.48 43.71 39.83 30.55 28.27 26.42 32.95
2003 29.52 24.39 29.77 30.13 35.26 41.57 i 49.35 47.23 42.13 35.39 25.80 26.29 34.12
2004 24.58 23.48 28.13 30.83 36.68 42.03 47.72 f 47.10 j 38.87 33.26 27.10 25.19 31.02
2005 21.42 23.71 27.81 29.70 30.50 w 37.10 49.00 46.74 36.83 33.96 c 27.30 23.58 32.47
2006 24.39 19.93 22.00 28.63 36.68 43.87 49.16 43.94 38.73 33.00 31.03 22.69 b 32.84
2007 18.45 24.61 27.23 29.47 35.65 40.10 51.00 45.61 39.63 32.90 27.20 20.19 32.67
2008 19.06 22.85 b 24.30 a 24.03 35.68 38.70 47.74 45.06 40.13 34.32 31.50 21.55 32.08
2009 21.84 23.86 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 22.85
2010 ----- z ----- z 25.32 26.33 30.65 39.83 46.19 44.23 39.77 35.74 26.50 25.32 33.99
2011 20.81 20.61 26.52 26.17 30.58 38.40 44.32 46.10 42.70 33.32 27.83 22.19 31.63
2012 22.71 22.03 22.48 30.20 33.90 37.70 45.06 46.26 41.50 34.26 31.30 22.81 32.52
2013 20.06 19.57 24.26 33.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 8.00 z 21.30
Period of Record Statistics
MEAN 20.51 22.15 24.84 28.34 34.04 40.10 44.92 44.03 38.59 32.75 27.15 21.98 31.42
S.D. 4.13 3.96 3.05 2.88 2.34 2.16 2.65 2.31 2.34 1.92 3.14 3.59 1.54
SKEW 0.05 -0.15 -0.57 -0.50 0.18 0.09 0.25 -0.40 -0.19 -0.27 -1.02 -0.71 -0.25
MAX 29.52 29.68 30.19 34.87 39.26 44.13 51.00 47.45 42.93 37.32 32.40 27.58 34.18
MIN 11.97 13.69 16.61 19.23 28.71 35.20 40.48 37.74 32.87 28.23 17.17 12.52 27.49
NO YRS 52 52 52 51 50 49 50 49 51 51 52 51 43