PROSSER, WASHINGTON

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(456763)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196301
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
1912 ----- z ----- z ----- z 31.00 n 35.00 42.00 46.00 41.00 35.00 24.00 b 23.00 16.00 16.00
1913 3.00 5.00 12.00 24.00 29.00 43.00 41.00 40.00 33.00 26.00 23.00 19.00 3.00
1914 21.00 17.00 24.00 29.00 a 34.00 35.00 b 41.00 a 44.00 c 26.00 b 32.00 e 21.00 a 0.00 0.00
1915 9.00 21.00 23.00 29.00 34.00 39.00 43.00 a 44.00 34.00 28.00 20.00 10.00 9.00
1916 -15.00 e 11.00 25.00 24.00 27.00 36.00 40.00 37.00 29.00 21.00 2.00 4.00 b -15.00
1917 2.00 10.00 15.00 25.00 30.00 36.00 32.00 45.00 34.00 19.00 a 17.00 23.00 a 2.00
1918 6.00 10.00 16.00 16.00 29.00 36.00 43.00 b 41.00 36.00 27.00 16.00 7.00 6.00
1919 3.00 h 16.00 21.00 24.00 32.00 34.00 a 41.00 42.00 26.00 14.00 7.00 -31.00 c -31.00
1920 9.00 a 19.00 16.00 24.00 32.00 37.00 a 45.00 39.00 38.00 29.00 15.00 17.00 9.00
1921 13.00 17.00 26.00 26.00 31.00 41.00 39.00 41.00 28.00 27.00 16.00 2.00 2.00
1922 -5.00 5.00 b 16.00 25.00 27.00 a 44.00 47.00 44.00 31.00 23.00 18.00 -12.00 -12.00
1923 11.00 2.00 21.00 29.00 32.00 ----- z 46.00 48.00 36.00 22.00 20.00 10.00 2.00
1924 -9.00 24.00 20.00 25.00 31.00 41.00 43.00 39.00 31.00 a 25.00 18.00 ----- z -9.00
1925 16.00 24.00 24.00 a 30.00 35.00 35.00 48.00 38.00 37.00 29.00 18.00 24.00 16.00
1926 22.00 23.00 20.00 27.00 32.00 41.00 45.00 42.00 20.00 a 24.00 a 23.00 a 2.00 b 2.00
1927 -17.00 a 21.00 23.00 p 27.00 c 31.00 g 44.00 44.00 39.00 36.00 22.00 23.00 -2.00 -17.00
1928 9.00 21.00 18.00 26.00 b 28.00 38.00 49.00 43.00 34.00 23.00 21.00 7.00 b 7.00
1929 -14.00 a -17.00 23.00 e 22.00 34.00 35.00 43.00 39.00 32.00 25.00 9.00 11.00 h -17.00
1930 -24.00 g 17.00 23.00 13.00 33.00 37.00 33.00 d 43.00 34.00 22.00 17.00 13.00 -24.00
1931 18.00 17.00 19.00 a 26.00 b 34.00 a 39.00 c 44.00 38.00 35.00 27.00 a 2.00 2.00 2.00
1932 9.00 a -6.00 a 23.00 29.00 34.00 41.00 a 41.00 41.00 32.00 24.00 21.00 a -10.00 c -10.00
1933 2.00 a -7.00 a 20.00 b 21.00 30.00 a 32.00 j 45.00 b 45.00 29.00 c 23.00 c 21.00 21.00 -7.00
1934 22.00 24.00 24.00 a 30.00 34.00 b 44.00 51.00 54.00 b 30.00 28.00 25.00 24.00 22.00
1935 -4.00 17.00 18.00 16.00 b 35.00 a 40.00 44.00 38.00 33.00 12.00 a 6.00 24.00 a -4.00
1936 10.00 a -11.00 b 21.00 21.00 35.00 a 45.00 44.00 44.00 31.00 25.00 13.00 11.00 -11.00
1937 -17.00 c 0.00 a 26.00 28.00 32.00 42.00 43.00 39.00 34.00 32.00 26.00 20.00 -17.00
1938 19.00 18.00 22.00 a 24.00 30.00 39.00 48.00 42.00 42.00 26.00 b 9.00 8.00 8.00
1939 20.00 10.00 b 20.00 24.00 b 32.00 38.00 43.00 41.00 37.00 26.00 b 20.00 19.00 a 10.00
1940 12.00 22.00 a 24.00 30.00 33.00 41.00 52.00 44.00 49.00 30.00 s 17.00 8.00 8.00
1941 18.00 21.00 18.00 28.00 32.00 40.00 53.00 45.00 34.00 27.00 18.00 10.00 10.00
1942 -4.00 16.00 20.00 b 29.00 a 29.00 38.00 b 42.00 42.00 33.00 22.00 18.00 14.00 -4.00
1943 -13.00 b 8.00 c 15.00 28.00 32.00 36.00 42.00 44.00 37.00 25.00 22.00 14.00 a -13.00
1944 13.00 18.00 14.00 27.00 f 33.00 39.00 41.00 41.00 31.00 29.00 15.00 6.00 6.00
1945 16.00 16.00 20.00 c 21.00 38.00 42.00 44.00 40.00 32.00 17.00 20.00 10.00 10.00
1946 19.00 w 18.00 23.00 26.00 32.00 c ----- z 45.00 b 43.00 33.00 20.00 20.00 10.00 a 10.00
1947 0.00 b -19.00 20.00 29.00 36.00 41.00 47.00 42.00 37.00 33.00 24.00 20.00 e -19.00
1948 ----- z ----- z ----- z ----- z ----- z 45.00 43.00 43.00 b 31.00 22.00 b ----- z 5.00 a 5.00
1949 -10.00 -5.00 24.00 28.00 31.00 39.00 44.00 42.00 35.00 22.00 27.00 17.00 c -10.00
1950 -16.00 -22.00 22.00 25.00 31.00 39.00 44.00 46.00 35.00 a 26.00 21.00 25.00 -22.00
1951 3.00 18.00 19.00 23.00 a 32.00 38.00 45.00 46.00 35.00 22.00 19.00 f 8.00 3.00
1952 7.00 17.00 21.00 26.00 33.00 39.00 46.00 44.00 37.00 31.00 14.00 21.00 7.00
1953 26.00 e 22.00 22.00 24.00 32.00 40.00 47.00 49.00 38.00 32.00 23.00 23.00 a 22.00
1954 -15.00 22.00 15.00 29.00 31.00 39.00 47.00 47.00 h 33.00 26.00 22.00 15.00 -15.00
1955 18.00 20.00 9.00 24.00 33.00 39.00 42.00 d 48.00 d 38.00 27.00 a 0.00 10.00 0.00
1956 0.00 -12.00 21.00 25.00 36.00 40.00 49.00 44.00 37.00 23.00 16.00 7.00 h -12.00
1957 -20.00 12.00 27.00 31.00 45.00 45.00 46.00 44.00 37.00 33.00 19.00 20.00 a -20.00
1958 15.00 27.00 22.00 31.00 35.00 45.00 48.00 48.00 35.00 25.00 a 10.00 21.00 10.00
1959 0.00 23.00 24.00 26.00 32.00 40.00 f 46.00 d 45.00 39.00 27.00 10.00 16.00 0.00
1960 4.00 10.00 14.00 26.00 34.00 e 41.00 48.00 40.00 37.00 30.00 c 20.00 13.00 4.00
1961 17.00 a 26.00 a 26.00 28.00 33.00 44.00 48.00 52.00 35.00 26.00 16.00 8.00 8.00
1962 6.00 11.00 21.00 22.00 32.00 36.00 40.00 e 44.00 e 38.00 a 33.00 23.00 16.00 6.00
1963 0.00 q ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 0.00
Period of Record Statistics
MEAN 4.72 11.78 20.35 25.48 32.57 39.74 44.33 42.94 34.10 25.26 17.24 11.21 1.29
S.D. 12.73 12.57 3.95 3.84 2.92 3.03 3.91 3.51 4.37 4.53 6.33 10.62 11.45
SKEW -0.37 -1.20 -0.69 -1.16 1.35 0.10 -0.65 0.86 -0.06 -0.50 -1.05 -1.54 -0.54
MAX 26.00 27.00 27.00 31.00 45.00 45.00 53.00 54.00 49.00 33.00 27.00 25.00 22.00
MIN -20.00 -22.00 9.00 13.00 27.00 34.00 32.00 37.00 20.00 12.00 0.00 -31.00 -22.00
NO YRS 46 49 48 48 49 47 51 50 51 50 49 48 24