SPIRIT LAKE RANGER STN, WASHINGTON

Monthly Average Temperature (Degrees Fahrenheit)

(457919)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 195608
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
1932 ----- z ----- z ----- z ----- z 40.42 a ----- z ----- z ----- z 51.07 44.29 38.65 27.92 40.47
1933 27.15 a 24.85 a 32.29 b 36.00 38.68 44.57 b 52.16 57.98 47.37 44.34 37.98 a 35.66 39.92
1934 34.68 c 36.79 39.98 48.37 49.45 53.18 57.63 61.92 a 50.65 45.58 38.67 33.60 45.87
1935 29.29 33.70 a 30.23 37.38 42.95 48.70 58.37 57.35 55.25 41.23 30.70 34.93 a 41.67
1936 31.74 26.00 30.94 37.55 45.95 49.93 59.11 60.39 52.33 48.24 39.12 32.87 42.85
1937 18.87 28.79 36.17 a 35.73 43.16 ----- z ----- z ----- z ----- z ----- z 36.76 i 32.48 32.53
1938 30.10 29.23 31.74 37.24 a 43.70 i 52.27 61.37 a 55.18 55.90 45.06 32.65 32.34 42.10
1939 31.35 26.36 31.37 40.45 43.58 47.55 58.87 60.77 i 53.22 44.58 40.00 b 36.48 41.26
1940 31.00 33.52 36.48 40.08 49.42 56.23 59.19 59.34 54.40 46.10 32.87 33.53 44.35
1941 33.27 ----- z ----- z ----- z ----- z ----- z 63.48 58.53 48.27 43.53 38.37 31.32 45.25
1942 31.11 30.86 33.63 39.10 41.68 47.58 ----- z 60.77 53.70 44.79 33.13 30.97 40.67
1943 26.55 30.59 30.65 35.25 37.71 43.10 57.79 54.42 54.65 43.37 38.18 32.55 40.40
1944 29.65 29.07 30.35 35.03 41.55 51.18 59.89 55.85 52.28 47.43 a 34.92 31.15 41.53
1945 30.93 a 30.52 30.63 33.28 37.37 43.07 60.11 58.35 49.72 ----- z ----- z ----- z 41.55
1946 29.48 27.70 32.65 36.85 44.44 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 34.22
1947 ----- z ----- z ----- z ----- z ----- z ----- z 55.02 ----- z ----- z ----- z ----- z ----- z 55.02
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 53.75 i ----- z ----- z ----- z ----- z 9999.00
1949 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 40.25 q 42.18 m 26.73 p 9999.00
1950 17.28 d 30.14 31.18 a 35.72 l 41.86 j 47.74 i 57.54 g 59.79 54.72 41.06 34.72 34.29 l 38.41
1951 27.79 31.89 30.11 41.27 44.34 53.25 59.06 54.87 53.68 39.81 32.90 23.58 f 42.63
1952 23.29 28.83 28.81 38.90 41.16 f 44.56 c 57.53 56.31 55.54 e 51.94 f 34.87 31.40 f 40.96
1953 35.03 p 32.80 33.77 36.90 e 41.27 45.33 58.50 57.31 59.22 n 46.61 d 36.38 e 32.58 l 43.21
1954 28.08 32.02 e 31.76 f 36.98 44.00 43.79 f 56.15 54.03 52.73 44.84 39.78 31.77 42.04
1955 29.60 29.54 28.05 33.08 39.44 46.10 51.74 58.31 52.62 43.44 27.74 g 28.00 i 41.19
1956 27.69 25.60 30.06 39.77 44.92 45.55 58.19 g 59.98 d ----- z ----- z ----- z ----- z 39.08
Period of Record Statistics
MEAN 28.45 29.94 32.06 37.85 42.80 48.26 58.00 57.82 52.67 44.37 36.11 32.68 42.37
S.D. 4.34 3.03 2.91 3.41 3.47 4.02 2.96 2.33 2.45 2.22 2.95 2.16 2.14
SKEW -1.28 0.24 1.23 1.40 0.32 0.43 -0.62 -0.06 -0.72 -0.35 -0.26 -0.21 0.51
MAX 34.68 36.79 39.98 48.37 49.45 56.23 63.48 61.92 55.90 48.24 40.00 36.48 45.87
MIN 17.28 24.85 28.05 33.08 37.37 43.07 51.74 54.03 47.37 39.81 30.70 27.92 39.92
NO YRS 20 20 19 19 18 16 17 18 18 17 17 14 7