UMATILLA, OREGON

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(358734)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196510
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
1892 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1893 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1894 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1895 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1896 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1897 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1898 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1899 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1900 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1901 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1902 ----- z ----- z ----- z ----- z 42.00 41.00 a 48.00 47.00 36.00 34.00 a 25.00 25.00 a 25.00
1903 18.00 b 14.00 22.00 28.00 a 38.00 48.00 49.00 49.00 a 35.00 29.00 27.00 20.00 14.00
1904 21.00 15.00 28.00 30.00 34.00 41.00 50.00 49.00 41.00 32.00 24.00 20.00 15.00
1905 11.00 8.00 b 30.00 31.00 34.00 48.00 53.00 45.00 39.00 21.00 19.00 23.00 8.00
1906 20.00 23.00 11.00 30.00 ----- z ----- z 59.00 d 50.00 40.00 26.00 20.00 e ----- z 11.00
1907 -5.00 19.00 30.00 20.00 40.00 a 50.00 49.00 ----- z 40.00 30.00 25.00 20.00 -5.00
1908 11.00 5.00 23.00 28.00 29.00 32.00 39.00 44.00 30.00 20.00 23.00 16.00 5.00
1909 -23.00 20.00 25.00 24.00 35.00 40.00 a 42.00 b 37.00 39.00 35.00 p 10.00 19.00 x -23.00
1910 7.00 b 15.00 27.00 32.00 38.00 42.00 54.00 43.00 37.00 22.00 21.00 25.00 7.00
1911 6.00 11.00 15.00 25.00 38.00 40.00 53.00 50.00 36.00 22.00 19.00 17.00 6.00
1912 -9.00 22.00 20.00 32.00 43.00 48.00 51.00 45.00 38.00 29.00 25.00 18.00 -9.00
1913 3.00 2.00 24.00 30.00 36.00 48.00 47.00 47.00 37.00 32.00 31.00 12.00 2.00
1914 26.00 15.00 28.00 32.00 40.00 44.00 49.00 50.00 41.00 35.00 26.00 4.00 4.00
1915 20.00 22.00 29.00 33.00 35.00 48.00 51.00 55.00 40.00 33.00 24.00 11.00 11.00
1916 -18.00 a 12.00 28.00 35.00 33.00 42.00 49.00 45.00 35.00 25.00 10.00 5.00 -18.00
1917 8.00 12.00 13.00 32.00 36.00 45.00 46.00 51.00 41.00 25.00 23.00 21.00 8.00
1918 7.00 17.00 19.00 25.00 36.00 44.00 50.00 37.00 42.00 33.00 20.00 9.00 7.00
1919 6.00 20.00 28.00 31.00 35.00 35.00 47.00 49.00 33.00 23.00 9.00 -27.00 -27.00
1920 15.00 22.00 22.00 31.00 37.00 41.00 49.00 42.00 40.00 32.00 19.00 20.00 15.00
1921 18.00 18.00 28.00 27.00 36.00 49.00 47.00 46.00 30.00 28.00 18.00 10.00 10.00
1922 -15.00 4.00 18.00 29.00 30.00 49.00 53.00 49.00 40.00 27.00 20.00 -3.00 a -15.00
1923 13.00 0.00 24.00 33.00 36.00 45.00 50.00 53.00 37.00 26.00 24.00 11.00 0.00
1924 -3.00 24.00 23.00 27.00 36.00 48.00 48.00 43.00 35.00 a 33.00 20.00 -17.00 -17.00
1925 22.00 26.00 27.00 34.00 38.00 40.00 51.00 43.00 38.00 29.00 a 21.00 29.00 21.00
1926 27.00 27.00 23.00 34.00 33.00 45.00 49.00 49.00 25.00 28.00 28.00 -1.00 -1.00
1927 -15.00 23.00 27.00 20.00 38.00 47.00 50.00 49.00 42.00 30.00 27.00 3.00 -15.00
1928 7.00 21.00 20.00 25.00 32.00 44.00 51.00 45.00 38.00 23.00 23.00 ----- z 7.00
1929 ----- z ----- z 21.00 a 28.00 a 30.00 39.00 47.00 44.00 35.00 34.00 v ----- z ----- z 21.00
1930 ----- z ----- z 20.00 25.00 37.00 40.00 c 48.00 46.00 41.00 25.00 23.00 b 22.00 20.00
1931 20.00 22.00 19.00 28.00 37.00 45.00 46.00 49.00 40.00 29.00 11.00 8.00 b 8.00
1932 14.00 -9.00 24.00 31.00 35.00 46.00 46.00 48.00 35.00 29.00 e 23.00 -8.00 a -9.00
1933 7.00 -10.00 24.00 28.00 36.00 45.00 48.00 48.00 a 35.00 28.00 25.00 22.00 -10.00
1934 26.00 28.00 26.00 32.00 a 39.00 46.00 49.00 48.00 31.00 29.00 31.00 27.00 26.00
1935 0.00 20.00 21.00 21.00 36.00 47.00 48.00 44.00 37.00 12.00 6.00 24.00 0.00
1936 13.00 -10.00 27.00 22.00 40.00 48.00 52.00 50.00 34.00 27.00 13.00 19.00 -10.00
1937 -14.00 1.00 30.00 33.00 33.00 46.00 53.00 42.00 35.00 34.00 28.00 24.00 -14.00
1938 21.00 11.00 24.00 26.00 33.00 41.00 53.00 47.00 44.00 28.00 14.00 12.00 11.00
1939 22.00 9.00 23.00 26.00 38.00 41.00 49.00 45.00 37.00 30.00 21.00 22.00 9.00
1940 15.00 26.00 28.00 35.00 36.00 48.00 52.00 50.00 m 45.00 35.00 16.00 12.00 12.00
1941 21.00 23.00 19.00 29.00 36.00 41.00 56.00 50.00 39.00 32.00 24.00 18.00 18.00
1942 -4.00 17.00 23.00 34.00 34.00 43.00 52.00 47.00 36.00 26.00 27.00 21.00 -4.00
1943 -6.00 14.00 14.00 33.00 34.00 41.00 45.00 47.00 39.00 28.00 26.00 18.00 -6.00
1944 18.00 20.00 13.00 30.00 34.00 42.00 44.00 44.00 38.00 33.00 22.00 18.00 13.00
1945 21.00 18.00 15.00 24.00 43.00 39.00 48.00 42.00 33.00 27.00 22.00 3.00 3.00
1946 18.00 19.00 a 26.00 26.00 34.00 43.00 46.00 44.00 33.00 22.00 20.00 11.00 11.00
1947 -6.00 15.00 20.00 32.00 39.00 45.00 50.00 46.00 38.00 49.00 z 23.00 23.00 -6.00
1948 ----- z ----- z ----- z ----- z ----- z ----- z 47.00 b 46.00 33.00 22.00 20.00 8.00 8.00
1949 -10.00 11.00 24.00 30.00 36.00 41.00 50.00 47.00 36.00 19.00 26.00 16.00 -10.00
1950 -20.00 -23.00 21.00 26.00 34.00 44.00 50.00 50.00 34.00 25.00 22.00 27.00 -23.00
1951 2.00 6.00 18.00 22.00 35.00 38.00 52.00 46.00 34.00 21.00 17.00 12.00 2.00
1952 2.00 22.00 22.00 26.00 39.00 43.00 47.00 44.00 41.00 29.00 15.00 17.00 2.00
1953 26.00 23.00 26.00 g 28.00 37.00 44.00 49.00 50.00 38.00 30.00 24.00 25.00 23.00
1954 -5.00 28.00 14.00 28.00 26.00 41.00 36.00 42.00 32.00 26.00 21.00 16.00 -5.00
1955 17.00 17.00 10.00 27.00 36.00 46.00 44.00 44.00 36.00 31.00 -6.00 a 12.00 -6.00
1956 -2.00 -6.00 18.00 27.00 36.00 a 44.00 49.00 47.00 38.00 32.00 18.00 11.00 -6.00
1957 -22.00 12.00 30.00 34.00 47.00 50.00 49.00 48.00 34.00 31.00 21.00 a 24.00 -22.00
1958 18.00 26.00 21.00 33.00 36.00 47.00 48.00 51.00 36.00 22.00 14.00 24.00 14.00
1959 0.00 24.00 25.00 28.00 35.00 44.00 46.00 47.00 a 41.00 27.00 10.00 19.00 0.00
1960 9.00 9.00 10.00 28.00 38.00 44.00 49.00 45.00 a 37.00 31.00 24.00 19.00 9.00
1961 20.00 30.00 28.00 28.00 39.00 47.00 51.00 54.00 35.00 26.00 11.00 7.00 7.00
1962 -4.00 b 10.00 19.00 33.00 34.00 42.00 42.00 47.00 39.00 35.00 19.00 16.00 -4.00
1963 -3.00 19.00 23.00 28.00 39.00 47.00 47.00 50.00 41.00 27.00 21.00 14.00 -3.00
1964 23.00 20.00 25.00 26.00 35.00 44.00 50.00 42.00 39.00 27.00 24.00 -7.00 -7.00
1965 19.00 22.00 15.00 31.00 36.00 47.00 49.00 43.00 31.00 e 33.00 e ----- z ----- z 15.00
Period of Record Statistics
MEAN 7.23 14.68 22.16 28.77 36.13 43.92 48.77 46.55 36.95 27.79 20.27 14.02 0.67
S.D. 13.74 10.77 5.31 3.76 3.37 3.62 3.62 3.51 3.64 4.59 6.46 10.84 11.91
SKEW -0.51 -1.30 -0.54 -0.39 0.14 -0.65 -0.63 -0.24 -0.50 -0.73 -1.39 -1.52 -0.30
MAX 27.00 30.00 30.00 35.00 47.00 50.00 59.00 55.00 45.00 35.00 31.00 29.00 26.00
MIN -23.00 -23.00 10.00 20.00 26.00 32.00 36.00 37.00 25.00 12.00 -6.00 -27.00 -27.00
NO YRS 60 60 61 62 62 62 64 62 64 61 62 59 51