WALLA WALLA WSO, WA

Minimum of Minimum Temperature (Degrees Fahrenheit)

(458931)

File last updated on March 28, 2024
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)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1916-----z-----z-----z-----z-----z40.00 47.00 42.00 36.00 28.00 10.00n-----z-----z
1917-----z-----z28.00n32.00 38.00 42.00 45.00 48.00 43.00 23.00 -----z-----z-----z
1918-----z-----z-----z23.00a32.00 40.00 46.00 44.00 42.00 33.00 -----z-----z-----z
1919-----z-----z31.00 30.00 31.00 39.00 48.00 49.00 35.00 23.00 -----z-----z-----z
1920-----z-----z26.00 31.00 37.00 41.00 47.00 45.00 43.00 28.00 -----z-----z-----z
1921-----z-----z27.00 29.00 34.00 47.00 45.00 47.00 32.00 31.00 -----z-----z-----z
1922-----z-----z21.00 31.00 26.00 48.00 54.00 48.00 42.00 29.00 -----z-----z-----z
1923-----z-----z24.00 34.00 34.00 44.00 47.00 52.00 39.00 28.00 -----z-----z-----z
1924-----z-----z20.00 24.00 35.00 44.00 47.00 42.00a37.00 33.00 -----z-----z-----z
1925-----z-----z27.00 21.00 35.00 39.00 52.00 45.00 38.00 31.00 -----z-----z-----z
1926-----z-----z27.00 30.00 34.00 43.00 49.00 49.00 22.00 30.00 -----z-----z-----z
1927-----z-----z28.00 18.00 31.00 48.00 47.00 46.00 39.00a32.00 -----z-----z-----z
1928-----z-----z25.00 27.00 35.00 42.00 -----z47.00 41.00 27.00 -----z-----z-----z
1929-----z-----z30.00 27.00 38.00 39.00 47.00 44.00 36.00 29.00 -----z-----z-----z
1930-----z-----z25.00 36.00 36.00 40.00 47.00 48.00 42.00 29.00 -----z-----z-----z
1931-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1932-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1933-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1934-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1935-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1936-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1937-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1938-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1939-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1940-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1941-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1942-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1943-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1944-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1945-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1946-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1947-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1948-----z-----z-----z-----z-----z47.00 -----z52.00 39.00 29.00 25.00 8.00a-----z
1949-3.00 13.00 26.00 35.00 39.00 44.00 54.00 51.00 43.00 26.00 34.00 19.00 -3.00
1950-16.00 -14.00 21.00 33.00 38.00 46.00 54.00 55.00 37.00 33.00 27.00 24.00 -16.00
19514.00 16.00 26.00 30.00 41.00 42.00 52.00 50.00 41.00 29.00 22.00 9.00 4.00
19529.00 21.00 28.00 34.00 40.00 42.00 48.00 51.00 44.00 37.00 17.00 22.00a9.00a
195329.00 29.00 28.00 31.00 41.00 48.00 54.00 55.00 44.00 35.00 30.00 28.00 28.00
1954-6.00 26.00 22.00 34.00 28.00 45.00 48.00 50.00 35.00 33.00 27.00 18.00 -6.00
195520.00 20.00 13.00 33.00 38.00 46.00 47.00 52.00 40.00 35.00 1.00 11.00 1.00
1956-4.00 -8.00 22.00 31.00 40.00 45.00 54.00 52.00 43.00 34.00 23.00 9.00 -8.00
1957-16.00 13.00 30.00 37.00 47.00 48.00 53.00 52.00 38.00 34.00 25.00 25.00 -16.00
195823.00 32.00 28.00 38.00 41.00 52.00 52.00 57.00 42.00 30.00 16.00 24.00 16.00
1959-2.00 25.00 31.00 32.00 38.00 48.00 51.00 52.00 43.00 34.00 5.00 20.00 -2.00
19608.00 15.00 17.00 36.00 38.00 46.00 53.00 49.00 43.00 35.00 26.00 20.00 8.00
196119.00 35.00 31.00 33.00 39.00 49.00 55.00 58.00 42.00 29.00 19.00 6.00 6.00
19621.00 13.00 25.00 38.00 37.00 43.00 48.00 50.00 41.00 38.00 28.00 20.00 1.00
1963-0.00 19.00 31.00 35.00 42.00 47.00 52.00 54.00 45.00 34.00 22.00 17.00 -0.00
196422.00 26.00 21.00 32.00 38.00 46.00 53.00 48.00 45.00 35.00 26.00 -6.00 -6.00
196523.00 27.00 18.00 35.00 36.00 47.00 53.00 46.00 34.00 40.00 29.00 19.00 18.00
196624.00 27.00 25.00 27.00 42.00 41.00 51.00 50.00 47.00 35.00 28.00 26.00 24.00
196732.00 29.00 28.00 33.00 39.00 49.00 56.00 54.00 46.00 37.00 21.00 13.00 13.00
196814.00 22.00 33.00 30.00 38.00 48.00 54.00 53.00 45.00 36.00 32.00 -13.00 -13.00
1969-0.00 19.00 27.00 37.00 40.00 51.00 53.00 48.00 43.00 28.00 27.00 24.00 -0.00
197017.00 29.00 28.00 32.00 40.00 49.00 55.00 55.00 37.00 31.00 12.00 19.00 12.00
197116.00 24.00 21.00 33.00 39.00 46.00 46.00 54.00 36.00 22.00 23.00 12.00 12.00
19721.00 -0.00 32.00 29.00 38.00 50.00 52.00 51.00 39.00 28.00 28.00 -4.00 -4.00
1973-0.00 25.00 33.00 30.00 38.00 46.00 50.00 51.00 43.00 32.00 27.00 22.00 -0.00
1974-4.00 28.00 29.00 37.00 39.00 46.00 52.00 55.00 44.00 34.00 30.00 26.00 -4.00
197514.00 16.00 23.00 29.00 39.00 48.00 56.00 50.00 44.00 32.00 22.00 25.00 14.00
197622.00 14.00 18.00 32.00 42.00 42.00 51.00 49.00 43.00 31.00 22.00 19.00 14.00
19773.00 28.00 33.00 35.00 40.00 46.00 50.00 48.00 42.00 35.00 11.00 12.00 3.00
19784.00 26.00 25.00 36.00 39.00 50.00 55.00 52.00 44.00 30.00 15.00 -4.00 -4.00
1979-10.00 -4.00 30.00 34.00 43.00 46.00 50.00 58.00 50.00 37.00 19.00 24.00 -10.00
19804.00 18.00 26.00 33.00 42.00 46.00 54.00 47.00 44.00 32.00 30.00 13.00 4.00
198128.00 14.00 29.00 33.00 41.00 47.00 47.00 53.00 43.00 33.00 28.00 20.00 14.00
19824.00 16.00 30.00 30.00 39.00 48.00 51.00 55.00 40.00 30.00 21.00 24.00 4.00
198323.00 25.00 31.00 32.00 41.00 50.00 51.00 57.00 35.00 36.00 22.00 -10.00 -10.00
198413.00 28.00 32.00 36.00 40.00 41.00 51.00 55.00 38.00 27.00 25.00 1.00 1.00
198516.00 5.00 30.00 36.00 38.00 46.00 57.00 49.00 34.00 28.00 -5.00 1.00 -5.00
198622.00 20.00 32.00 34.00 39.00 49.00 49.00 59.00 44.00 36.00 19.00 23.00 19.00
198711.00 25.00 25.00 35.00 40.00 45.00 51.00 52.00 44.00 35.00 25.00 16.00 11.00
1988-----z-----z-----z-----z-----z-----z-----z50.00 -----z-----z-----z-----z-----z
Period of Record Statistics
MEAN9.36 19.03 26.45 31.94 37.98 45.40 50.77 50.63 40.56 31.62 22.10 14.55 3.31
S.D.12.57 10.92 4.61 4.14 3.71 3.35 3.20 3.99 4.54 3.90 8.19 10.81 10.74
SKEW-0.14 -1.31 -0.73 -1.19 -0.98 -0.32 -0.08 -0.03 -1.31 -0.33 -1.49 -1.01 0.23
MAX32.00 35.00 33.00 38.00 47.00 52.00 57.00 59.00 50.00 40.00 34.00 28.00 28.00
MIN-16.00 -14.00 13.00 18.00 26.00 39.00 45.00 42.00 22.00 22.00 -5.00 -13.00 -16.00
YRS39 39 51 53 53 55 53 56 55 55 40 40 39