TIDEWATER FISH HATCHERY, OREGON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(358481)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200208
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
1940 ----- z ----- z ----- z 45.67 c 47.61 51.00 b 55.26 59.70 a 65.67 o 50.68 39.70 38.03 48.46
1941 39.61 39.75 40.29 42.30 46.16 49.47 52.52 53.32 51.13 47.00 42.97 39.06 45.30
1942 34.87 37.29 36.39 42.00 45.06 48.13 55.06 53.74 ----- z ----- z ----- z ----- z 44.07
1943 ----- z ----- z 43.67 s 42.83 43.71 48.07 50.61 52.19 50.50 ----- z ----- z ----- z 47.99
1944 35.65 37.03 35.87 40.80 42.74 46.57 51.48 50.32 49.57 48.58 39.40 33.84 42.65
1945 37.35 38.57 36.94 39.13 45.74 44.80 47.90 49.87 47.53 44.71 41.60 39.26 42.78
1946 37.55 37.89 38.94 40.60 45.29 48.43 51.52 50.16 47.83 43.97 36.69 a 37.68 43.05
1947 32.42 38.18 40.55 42.67 43.68 48.63 53.47 a 50.42 47.30 47.39 41.47 38.41 d 43.71
1948 ----- z ----- z ----- z ----- z ----- z ----- z 50.80 a 53.10 48.07 b 43.35 38.97 32.94 44.54
1949 24.77 36.36 40.26 42.32 b 45.84 46.50 48.83 a 50.84 48.86 a 39.68 43.03 a 35.39 41.89
1950 27.87 34.89 37.17 a 38.21 a 39.69 b 47.87 50.72 b 52.83 a 49.63 46.87 41.97 45.45 42.76
1951 35.84 37.86 33.13 40.20 44.39 47.67 51.35 48.71 48.10 46.52 40.13 34.10 42.33
1952 33.23 36.00 34.81 37.73 43.00 46.77 48.72 b 51.13 a 46.86 b 45.39 c 32.07 36.26 41.00
1953 44.64 q 40.79 43.55 b 46.73 46.55 50.14 a 54.16 55.55 51.67 46.03 44.60 40.45 47.29
1954 36.68 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 46.37 36.58 39.87
1955 36.35 35.43 35.68 37.50 41.26 47.27 50.16 47.32 48.03 45.80 a 39.34 a 37.00 41.76
1956 36.23 32.21 37.19 40.77 46.16 47.30 51.06 53.23 a 48.77 44.24 b 37.00 36.97 42.59
1957 30.26 38.68 40.32 41.30 46.77 48.93 50.37 a 50.93 a 50.92 d 46.17 b 36.47 39.29 43.37
1958 39.29 c 43.46 36.58 41.93 46.87 52.93 54.23 52.00 49.53 45.15 d 40.47 42.68 45.43
1959 40.80 a 36.57 38.77 40.33 l 42.84 49.07 a 49.87 48.72 b 49.67 46.57 h 39.17 37.23 43.27
1960 ----- z 37.04 a 40.52 42.00 44.68 48.23 49.68 51.65 48.30 c 46.37 d 40.53 36.74 44.16
1961 39.26 42.36 40.81 40.67 45.55 49.77 52.77 53.74 47.96 c 44.11 d 36.80 38.87 44.39
1962 34.10 38.00 36.84 41.60 42.48 46.70 49.29 51.42 50.97 46.19 43.27 38.23 43.26
1963 29.71 45.39 37.87 39.97 46.29 n 48.63 50.61 52.94 54.27 48.19 43.83 38.35 44.52
1964 38.74 34.52 37.27 a 39.07 42.10 a 48.37 51.39 52.61 48.43 46.10 38.83 38.29 42.98
1965 36.90 a 38.36 35.71 42.03 42.52 47.40 51.58 56.50 z 48.27 48.70 a 45.43 35.23 42.92
1966 38.55 37.14 37.97 41.17 42.81 48.20 51.58 50.93 a 52.03 a 45.87 43.43 40.84 44.21
1967 39.87 37.14 36.90 37.33 43.29 50.90 51.68 53.03 51.60 47.61 42.63 37.29 44.11
1968 36.90 41.28 41.06 38.70 45.52 49.07 52.58 53.61 50.76 a 45.32 43.40 37.13 44.61
1969 33.45 34.75 35.52 40.63 46.40 a 53.53 51.13 49.55 50.87 44.84 40.93 40.55 43.51
1970 40.10 37.67 a 36.81 36.17 43.00 49.17 50.06 51.00 a 45.77 43.26 40.57 35.97 42.46
1971 36.03 37.50 35.42 38.87 44.84 47.03 51.61 54.61 48.67 43.65 41.27 36.32 42.98
1972 35.32 39.31 42.26 37.60 45.16 48.77 52.03 50.94 46.43 42.81 43.77 32.84 43.10
1973 35.48 38.64 39.00 39.47 44.42 48.93 49.81 50.39 50.17 45.84 41.27 43.67 a 43.92
1974 32.77 37.25 39.35 41.77 43.97 48.40 51.10 52.39 49.93 42.87 42.13 40.48 43.53
1975 39.68 37.64 37.26 37.63 42.65 47.30 52.71 51.42 49.07 47.71 39.87 39.32 43.52
1976 36.13 36.00 36.00 38.00 43.48 45.33 50.58 52.87 51.23 44.58 41.22 c 36.35 42.65
1977 33.26 37.18 37.00 40.53 43.35 49.33 50.10 54.94 51.37 46.23 41.31 a 41.06 43.80
1978 41.45 40.71 41.42 41.43 43.81 51.17 52.29 53.61 51.17 46.19 35.47 31.97 44.22
1979 30.35 37.36 41.39 42.77 45.45 47.63 52.94 53.87 52.60 49.39 38.37 40.74 44.40
1980 32.70 a 40.69 39.26 40.93 43.71 47.70 51.61 49.65 49.53 43.84 42.60 38.87 43.42
1981 38.13 37.57 38.55 41.30 44.35 49.57 51.74 53.53 a 51.27 44.70 a 42.07 40.68 44.45
1982 35.35 36.79 38.13 37.07 43.32 49.93 51.84 52.23 50.27 45.65 36.73 35.58 42.74
1983 38.74 39.68 41.61 37.03 43.45 47.23 66.24 b ----- z 50.83 45.13 44.23 34.81 44.45
1984 38.03 39.76 41.61 40.37 43.58 45.47 48.55 51.19 47.93 a 44.68 39.83 31.94 42.74
1985 30.55 32.29 33.13 35.63 41.52 47.33 51.87 51.81 49.23 45.45 35.00 30.71 40.38
1986 42.16 40.75 43.87 40.77 45.65 50.50 51.26 52.35 48.93 47.00 42.83 37.81 45.32
1987 37.03 38.71 39.90 41.63 46.58 48.40 52.48 51.55 49.13 44.90 43.27 35.90 44.13
1988 35.68 37.62 36.68 41.20 44.13 47.30 50.48 50.00 47.83 50.39 42.77 36.87 43.41
1989 38.00 31.29 39.90 43.57 45.68 49.50 51.74 53.13 47.50 44.52 41.33 37.00 43.60
1990 38.52 34.36 40.23 43.53 44.32 49.97 53.26 54.29 52.93 45.32 38.63 28.29 43.64
1991 33.45 42.00 36.97 36.67 40.29 47.67 51.16 53.03 48.77 41.42 39.13 37.52 42.34
1992 36.06 39.97 40.65 44.03 45.23 51.10 53.77 52.48 48.73 46.71 43.93 37.94 45.05
1993 35.23 35.36 43.48 44.47 49.39 51.07 52.19 54.81 48.93 47.10 35.37 36.97 44.53
1994 40.19 38.04 38.84 44.47 46.81 48.93 51.65 53.42 53.23 45.13 38.60 38.81 44.84
1995 41.65 41.89 39.55 41.47 46.97 49.77 54.48 52.26 54.27 45.52 ----- z ----- z 46.78
1996 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1997 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1998 ----- z ----- z ----- z ----- z ----- z 50.70 55.77 52.16 48.17 44.69 o 44.05 k 32.89 m 51.70
1999 37.25 o 38.11 a 37.29 c 36.95 i 41.86 j 46.91 g 49.64 t 49.67 z 43.36 p 40.00 k 43.00 p 38.20 z 37.70
2000 39.85 r 39.35 c 36.73 a 40.57 b 44.12 f 46.80 e 49.58 l 48.55 k ----- z ----- z ----- z ----- z 40.86
2001 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2002 ----- z ----- z ----- z ----- z ----- z 47.63 49.90 48.03 ----- z ----- z ----- z ----- z 48.52
Period of Record Statistics
MEAN 36.05 37.97 38.50 40.64 44.41 48.60 51.82 52.10 49.65 45.67 40.61 37.37 43.43
S.D. 3.64 2.69 2.50 2.43 1.89 1.73 2.56 2.06 1.90 2.03 2.94 3.14 1.10
SKEW -0.78 0.05 0.12 0.04 -0.06 0.44 3.19 0.53 0.46 -0.04 -0.57 -0.28 -0.35
MAX 42.16 45.39 43.87 46.73 49.39 53.53 66.24 59.70 54.27 50.68 46.37 45.45 45.43
MIN 24.77 31.29 33.13 35.63 39.69 44.80 47.90 47.32 45.77 39.68 32.07 28.29 40.38
NO YRS 51 54 54 54 53 57 57 55 54 52 53 53 44