PROSSER st,

Monthly Extreme Maximum 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 70.00 n 91.00 105.00 102.00 103.00 89.00 77.00 a 68.00 59.00 a 105.00
1913 60.00 61.00 64.00 84.00 93.00 98.00 109.00 b 103.00 90.00 81.00 64.00 a 53.00 109.00
1914 63.00 63.00 70.00 80.00 98.00 100.00 106.00 106.00 93.00 e 75.00 a 68.00 d 49.00 106.00
1915 45.00 58.00 77.00 87.00 91.00 99.00 106.00 h 102.00 94.00 78.00 64.00 58.00 106.00
1916 62.00 a 55.00 74.00 80.00 85.00 99.00 96.00 100.00 92.00 82.00 64.00 54.00 100.00
1917 62.00 65.00 63.00 67.00 90.00 97.00 103.00 a 98.00 92.00 86.00 65.00 b 66.00 103.00
1918 64.00 63.00 76.00 83.00 88.00 100.00 104.00 95.00 a 94.00 83.00 62.00 64.00 b 104.00
1919 65.00 c 55.00 73.00 83.00 91.00 92.00 b 103.00 98.00 90.00 b 88.00 67.00 57.00 103.00
1920 63.00 57.00 68.00 80.00 87.00 97.00 a 102.00 100.00 90.00 a 81.00 61.00 60.00 102.00
1921 59.00 63.00 72.00 76.00 90.00 98.00 97.00 98.00 83.00 84.00 74.00 67.00 98.00
1922 47.00 53.00 60.00 79.00 92.00 99.00 106.00 100.00 96.00 80.00 60.00 59.00 a 106.00
1923 59.00 61.00 79.00 84.00 88.00 ----- z 102.00 98.00 93.00 85.00 66.00 64.00 102.00
1924 66.00 66.00 67.00 81.00 95.00 104.00 105.00 99.00 98.00 d 76.00 a 63.00 a ----- z 105.00
1925 62.00 65.00 72.00 e 87.00 90.00 102.00 104.00 100.00 95.00 76.00 67.00 a 59.00 104.00
1926 56.00 69.00 75.00 94.00 86.00 a 103.00 106.00 101.00 a 90.00 78.00 a 65.00 b 57.00 b 106.00
1927 56.00 c 60.00 a 66.00 t 88.00 c 88.00 f 91.00 d 103.00 97.00 84.00 80.00 74.00 b 63.00 103.00
1928 60.00 a 54.00 b 75.00 a 78.00 f 99.00 101.00 111.00 99.00 96.00 81.00 b 62.00 58.00 a 111.00
1929 43.00 54.00 b 71.00 b 82.00 c 93.00 96.00 b 106.00 101.00 94.00 86.00 65.00 55.00 c 106.00
1930 59.00 h 66.00 80.00 85.00 82.00 90.00 105.00 d 102.00 95.00 82.00 67.00 52.00 a 105.00
1931 60.00 65.00 a 67.00 b 88.00 b 97.00 b 101.00 a 103.00 101.00 a 95.00 89.00 71.00 54.00 103.00
1932 57.00 70.00 72.00 83.00 89.00 99.00 b 98.00 99.00 96.00 89.00 73.00 63.00 b 99.00
1933 64.00 b 59.00 a 65.00 a 92.00 86.00 102.00 d 103.00 102.00 90.00 85.00 a 75.00 b 66.00 103.00
1934 63.00 63.00 80.00 92.00 100.00 b 100.00 105.00 99.00 b 98.00 81.00 a 74.00 60.00 b 105.00
1935 67.00 56.00 73.00 79.00 90.00 96.00 105.00 98.00 96.00 87.00 36.00 z 54.00 105.00
1936 56.00 b 51.00 c 72.00 89.00 96.00 100.00 102.00 100.00 93.00 86.00 a 58.00 64.00 102.00
1937 46.00 59.00 69.00 a 76.00 b 89.00 101.00 101.00 98.00 95.00 79.00 a 66.00 67.00 101.00
1938 59.00 52.00 70.00 84.00 d 95.00 95.00 103.00 a 97.00 96.00 79.00 64.00 60.00 103.00
1939 60.00 57.00 81.00 90.00 95.00 100.00 108.00 100.00 94.00 79.00 a 67.00 64.00 a 108.00
1940 56.00 60.00 78.00 78.00 95.00 99.00 101.00 98.00 95.00 87.00 60.00 57.00 a 101.00
1941 56.00 59.00 77.00 84.00 94.00 96.00 105.00 99.00 86.00 74.00 67.00 64.00 105.00
1942 53.00 55.00 76.00 b 88.00 86.00 99.00 103.00 102.00 96.00 84.00 61.00 54.00 103.00
1943 58.00 61.00 c 70.00 89.00 87.00 92.00 99.00 95.00 94.00 85.00 65.00 60.00 99.00
1944 53.00 60.00 77.00 a 81.00 g 93.00 a 98.00 104.00 98.00 a 100.00 82.00 63.00 59.00 104.00
1945 63.00 68.00 71.00 g 80.00 92.00 97.00 100.00 98.00 94.00 84.00 67.00 57.00 100.00
1946 52.00 w 59.00 76.00 90.00 88.00 a ----- z 101.00 100.00 89.00 a 73.00 66.00 b 61.00 a 101.00
1947 59.00 d 68.00 79.00 89.00 96.00 95.00 b 98.00 95.00 a 94.00 82.00 a 62.00 55.00 e 98.00
1948 ----- z ----- z ----- z ----- z ----- z 102.00 96.00 96.00 b 96.00 78.00 b ----- z 52.00 b 102.00
1949 53.00 57.00 67.00 85.00 97.00 99.00 103.00 102.00 97.00 72.00 65.00 59.00 c 103.00
1950 52.00 66.00 66.00 78.00 93.00 97.00 100.00 99.00 99.00 77.00 63.00 67.00 100.00
1951 59.00 67.00 71.00 a 87.00 95.00 96.00 100.00 95.00 93.00 77.00 58.00 e 59.00 100.00
1952 51.00 59.00 73.00 87.00 91.00 93.00 102.00 99.00 92.00 84.00 58.00 55.00 102.00
1953 63.00 e 66.00 69.00 78.00 86.00 85.00 100.00 99.00 93.00 79.00 65.00 60.00 b 100.00
1954 57.00 63.00 68.00 84.00 97.00 90.00 96.00 96.00 a 88.00 70.00 63.00 56.00 97.00
1955 50.00 56.00 67.00 78.00 87.00 98.00 102.00 100.00 96.00 76.00 69.00 60.00 102.00
1956 53.00 62.00 66.00 86.00 94.00 94.00 102.00 100.00 92.00 76.00 63.00 60.00 h 102.00
1957 48.00 67.00 64.00 89.00 96.00 98.00 98.00 92.00 94.00 72.00 62.00 60.00 a 98.00
1958 62.00 67.00 68.00 78.00 98.00 101.00 102.00 100.00 93.00 88.00 a 69.00 68.00 102.00
1959 59.00 62.00 68.00 80.00 89.00 95.00 g 101.00 d 96.00 89.00 79.00 75.00 64.00 101.00
1960 47.00 60.00 84.00 83.00 89.00 e 93.00 104.00 100.00 93.00 83.00 c 66.00 54.00 104.00
1961 61.00 66.00 a 69.00 76.00 90.00 a 102.00 103.00 104.00 88.00 81.00 60.00 59.00 104.00
1962 65.00 61.00 73.00 85.00 79.00 93.00 100.00 e 95.00 e 93.00 a 73.00 65.00 56.00 100.00
1963 58.00 q ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 58.00
Period of Record Statistics
MEAN 57.49 61.00 71.72 83.51 91.39 97.54 102.36 99.06 93.04 80.57 65.43 59.22 102.13
S.D. 6.03 4.85 5.34 5.29 4.55 4.06 3.22 2.63 3.54 4.80 4.39 4.57 3.06
SKEW -0.67 -0.12 0.14 -0.44 -0.29 -0.76 0.08 -0.06 -0.72 -0.16 0.57 0.08 0.43
MAX 67.00 70.00 84.00 94.00 100.00 105.00 111.00 106.00 100.00 89.00 75.00 68.00 109.00
MIN 43.00 51.00 60.00 67.00 79.00 85.00 96.00 92.00 83.00 70.00 58.00 49.00 97.00
NO YRS 47 49 47 47 49 48 50 51 51 51 49 49 23