PROSSER, WA

Minimum of Minimum Temperature (Degrees Fahrenheit)

(456768)

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
1925-----z-----z-----z-----z-----z-----z42.00 -----z-----z-----z-----z-----z-----z
1926-----z25.00h21.00e21.00a31.00a42.00d45.00d41.00 21.00d26.00c25.00a-0.00b-----z
19277.00h21.00 21.00a18.00 30.00 41.00 44.00 40.00 34.00e24.00e25.00i-1.00g-----z
1928-----z-----z-----z21.00d26.00f36.00f-----z-----z35.00n25.00c22.00g7.00d-----z
1929-10.00c-15.00 22.00c22.00a31.00a35.00c44.00e42.00d33.00f28.00b10.00e12.00e-----z
1930-20.00 22.00e23.00b25.00c26.00c35.00g42.00d46.00f35.00c22.00a21.00i19.00d-----z
193112.00 17.00 18.00 25.00a32.00 40.00 47.00 46.00 39.00a29.00 4.00 -1.00 -1.00b
19328.00a-7.00 20.00 27.00 33.00 35.00 40.00 40.00 32.00 26.00a23.00 -6.00 -7.00b
19334.00 -8.00 20.00 23.00 30.00 35.00 42.00 45.00 29.00 24.00 22.00 21.00a-8.00a
193422.00 25.00 24.00 27.00 32.00 32.00 45.00 46.00 34.00 29.00 27.00 25.00 22.00
1935-6.00 18.00 16.00 14.00 29.00 37.00 40.00 41.00 35.00 11.00 5.00 22.00 -6.00
19368.00 -4.00a20.00 19.00 35.00 43.00 43.00 44.00 30.00c26.00 13.00a13.00c-4.00h
1937-14.00e-1.00b26.00d27.00 30.00 41.00 43.00 40.00 32.00 32.00a26.00b20.00 -14.00n
193818.00 15.00 20.00a21.00a26.00 37.00 46.00a39.00 43.00 27.00 9.00 8.00 8.00c
193920.00 10.00a21.00 23.00 29.00 35.00 40.00a40.00 37.00 27.00 21.00 17.00 10.00b
194010.00 19.00a23.00 30.00 31.00 36.00 43.00 44.00 40.00 30.00a17.00 6.00 6.00b
194117.00 22.00 18.00 25.00 30.00 39.00 46.00 44.00 34.00 29.00 20.00a12.00 12.00a
1942-3.00 15.00 17.00a26.00 29.00 36.00 41.00 42.00 36.00 24.00a23.00 17.00 -3.00b
1943-7.00a9.00 13.00 27.00a30.00 34.00 38.00 42.00 37.00a25.00 23.00a15.00 -7.00d
194413.00a18.00a13.00 25.00 31.00 37.00 40.00 40.00 34.00 33.00 17.00 7.00 7.00b
194519.00 19.00 11.00a23.00b35.00 34.00 42.00 42.00 32.00b23.00c20.00c8.00d8.00o
194619.00e18.00c22.00d24.00b31.00b38.00 43.00 42.00 32.00 20.00c19.00a10.00a10.00u
1947-0.00d14.00c21.00 28.00b34.00 40.00 46.00 40.00 38.00 33.00 25.00 20.00b-0.00k
194811.00c3.00d17.00a24.00 29.00 44.00 40.00 41.00 30.00 22.00 21.00 4.00 3.00h
1949-8.00 6.00 22.00 25.00 28.00 39.00 43.00a40.00 35.00 23.00 29.00 17.00 -8.00a
1950-16.00 -20.00 23.00 24.00a30.00 41.00 44.00f42.00 34.00 26.00 20.00 23.00 -20.00g
19511.00 8.00 15.00 25.00e31.00 39.00 43.00 42.00 33.00 25.00 18.00a9.00 1.00f
19525.00 15.00 20.00 24.00 32.00 37.00 45.00 42.00 37.00 31.00 13.00 18.00h5.00h
195327.00 21.00 21.00 22.00 30.00 37.00 44.00 46.00h38.00 32.00 24.00 23.00a21.00i
1954-15.00 21.00 15.00a24.00 26.00i36.00 40.00 43.00 34.00 27.00 22.00 15.00a-15.00k
195518.00 19.00 6.00 22.00 30.00 38.00 38.00e42.00 34.00 28.00 -0.00 10.00 -0.00e
1956-3.00 -12.00 20.00 24.00 34.00 38.00 46.00 41.00 36.00 26.00 15.00 7.00 -12.00
1957-18.00 13.00c25.00 29.00 41.00 42.00 42.00 42.00 35.00 33.00 20.00 17.00 -18.00c
195816.00 26.00a21.00 30.00 33.00 41.00 45.00 46.00 33.00 25.00 10.00 21.00 10.00a
1959-1.00 22.00 22.00 25.00 30.00 38.00 42.00 43.00 38.00 27.00 10.00 12.00 -1.00
1960-0.00 8.00 11.00 23.00 32.00 39.00 43.00 37.00 36.00 29.00 21.00 13.00 -0.00
196118.00 24.00 24.00 26.00 32.00 40.00 45.00 49.00 33.00 26.00 12.00 7.00 7.00
19623.00 8.00 20.00 30.00 31.00 35.00b38.00 42.00 38.00 33.00 23.00 16.00 3.00b
1963-1.00 6.00 23.00 26.00 33.00 41.00 44.00 44.00 41.00 28.00 17.00a11.00a-1.00b
1964-----z21.00 19.00 25.00 30.00 40.00 44.00 43.00 36.00 28.00 20.00 -7.00 -----z
196510.00a26.00 13.00 29.00 29.00 38.00 45.00 39.00 31.00 30.00 25.00 16.00 10.00a
196620.00 20.00 22.00 28.00 34.00 36.00 45.00 44.00 43.00 31.00 23.00 23.00 20.00
196726.00 21.00 20.00 27.00c34.00 45.00 47.00a48.00 39.00 30.00 22.00 9.00 9.00d
196810.00 18.00 23.00 22.00 31.00 39.00 44.00 44.00 36.00 27.00 24.00 -11.00 -11.00
1969-6.00 2.00 22.00 28.00 34.00 42.00 40.00 37.00 35.00 21.00 19.00 22.00 -6.00
19705.00 25.00 24.00 25.00 30.00 37.00 44.00 42.00 30.00 23.00 15.00 6.00 5.00
197114.00 17.00 12.00 25.00 30.00 39.00 37.00 42.00 29.00 19.00 18.00 11.00b11.00b
1972-1.00 5.00 21.00 23.00 32.00 42.00 42.00 45.00 29.00 22.00 23.00 -7.00 -7.00
19731.00 22.00 23.00 26.00 33.00 37.00 40.00 39.00 35.00 30.00 13.00 12.00b1.00b
1974-6.00 23.00 19.00 29.00 30.00 38.00 41.00 44.00 32.00 24.00 22.00 18.00 -6.00
197512.00 15.00 17.00 22.00 29.00 37.00 46.00 40.00 36.00 27.00 17.00 12.00 12.00
197618.00 8.00 12.00 27.00 33.00 35.00 42.00 40.00 37.00 26.00a12.00 11.00 8.00a
19774.00 22.00 22.00 27.00a31.00 37.00 40.00 46.00 39.00 29.00 6.00 16.00 4.00a
1978-6.00 25.00a26.00 30.00 31.00a41.00 45.00 42.00 35.00 24.00 11.00 -7.00 -7.00b
1979-8.00 -7.00 23.00 27.00 34.00 39.00 41.00a47.00 40.00 33.00 7.00 14.00 -8.00a
1980-4.00a17.00a24.00 27.00 34.00 36.00 43.00 38.00 38.00 25.00 20.00 16.00 -4.00b
198125.00 10.00 22.00 24.00 31.00 35.00 40.00 41.00 34.00 24.00 19.00 10.00 10.00
1982-8.00b10.00a23.00a24.00 30.00 39.00 40.00 44.00 35.00 23.00b15.00 11.00 -8.00f
198320.00a20.00 28.00a27.00 34.00 39.00 41.00 46.00 30.00 30.00b27.00a-10.00c-10.00h
19848.00a27.00 29.00a-----z33.00a37.00 42.00 40.00 32.00 22.00 25.00 1.00a-----z
198513.00a-3.00 23.00a24.00a29.00 41.00 50.00 43.00 29.00a23.00a-7.00a-0.00 -7.00f
198618.00c21.00b30.00a30.00 -----z-----z-----z49.00 39.00 33.00 20.00 14.00 -----z
198713.00a-----z22.00 30.00 34.00 38.00 45.00 44.00 35.00 30.00 20.00 12.00 -----z
198817.00 14.00 26.00 27.00 35.00 40.00 40.00 45.00 36.00 27.00 26.00 12.00 12.00
198916.00a-2.00 19.00 -----z35.00 41.00 45.00 46.00 -----z27.00 25.00 20.00a-----z
199022.00 13.00 21.00 33.00 33.00 39.00 42.00 48.00 44.00 -----z23.00 -9.00a-----z
19918.00 22.00b25.00c27.00 32.00 36.00 46.00 44.00 37.00 21.00 24.00a16.00a8.00g
1992-----z-----z-----z29.00 31.00 46.00 48.00 40.00 36.00 27.00 18.00 12.00a-----z
1993-3.00 10.00 -----z30.00 33.00 39.00 42.00 38.00 33.00 30.00 2.00 22.00a-----z
199421.00 6.00 23.00 -----z34.00 40.00 43.00 47.00 -----z-----z-----z-----z-----z
1995-----z-----z-----z-----z36.00 -----z-----z-----z-----z-----z-----z-----z-----z
1996-----z-----z-----z-----z-----z-----z-----z-----z28.00 20.00a15.00a-0.00b-----z
19973.00 19.00a24.00 25.00a35.00 45.00 47.00a49.00b43.00a30.00a25.00b11.00b3.00k
19987.00a21.00 -----z30.00a39.00a47.00a56.00 48.00 -----z19.00 19.00b-5.00d-----z
199920.00b18.00a20.00a24.00a27.00a41.00a44.00 44.00b32.00c27.00b25.00a19.00e18.00t
200012.00a16.00 20.00a26.00 34.00 40.00a47.00 36.00 21.00a23.00 13.00a9.00f9.00k
20018.00a11.00a20.00 19.00b34.00b36.00 43.00 39.00a30.00b16.00c10.00b11.00a8.00o
200216.00e10.00b13.00c28.00 33.00 42.00 49.00 50.00b43.00a14.00 15.00 24.00a10.00n
200326.00 19.00a30.00a30.00 36.00 45.00 49.00a54.00 44.00 28.00 13.00a13.00a13.00e
2004-8.00b25.00 33.00 34.00 43.00 45.00 51.00 55.00 43.00a32.00 24.00a20.00 -8.00d
200512.00 20.00 33.00a32.00 42.00 46.00a51.00a52.00 42.00 32.00 24.00 7.00 7.00c
200626.00 12.00a27.00 34.00 37.00 46.00 51.00 46.00 42.00 20.00 14.00a13.00 12.00b
20079.00 18.00a25.00a29.00a35.00 45.00a54.00a49.00 38.00a28.00 22.00a3.00e3.00l
20089.00c25.00 28.00a27.00 35.00b43.00 50.00 -----z39.00a30.00e22.00 -----z-----z
2009-----z-----z-----z-----z36.00a46.00b-----z47.00c37.00a25.00c24.00 2.00a-----z
2010-----z25.00c23.00a30.00 -----z36.00b45.00a37.00b33.00b34.00a3.00a21.00e-----z
20116.00a-0.00f13.00m20.00e31.00a30.00 33.00f49.00b42.00a29.00c12.00b15.00f-----z
201217.00n-----z13.00g-----z-----z-----z31.00c48.00a39.00a32.00 23.00a12.00 -----z
201315.00 16.00b14.00 -----z29.00b45.00 45.00 43.00 44.00 32.00c14.00 3.00a-----z
201416.00a5.00 18.00 33.00 40.00 -----z-----z-----z40.00 38.00 10.00 11.00 -----z
201511.00 23.00 25.00 33.00 38.00 52.00 53.00 51.00a40.00a37.00 11.00a15.00 11.00c
201610.00 25.00a28.00 37.00b39.00a40.00 52.00 52.00a43.00b35.00 28.00 -0.00c-0.00j
2017-0.00 12.00a28.00 31.00 38.00 44.00a54.00 49.00 39.00 30.00 22.00 13.00 -0.00b
201823.00 13.00a25.00a31.00b42.00d45.00a49.00b50.00 40.00a34.00a18.00 22.00 13.00m
201921.00 1.00 8.00a37.00c39.00a44.00a52.00a54.00a37.00 16.00 16.00 14.00b1.00j
202013.00 21.00 26.00 28.00 37.00 45.00a52.00 50.00 44.00b22.00a24.00a16.00b13.00g
202121.00a14.00a28.00f29.00q35.00o45.00p51.00g46.00 44.00a35.00a25.00 12.00c-----z
20228.00e12.00d21.00k28.00 35.00b47.00a54.00 53.00 45.00 38.00a16.00 3.00 3.00x
202311.00a11.00 21.00a29.00a40.00a38.00c44.00g43.00d33.00b16.00k15.00p3.00m-----z
20241.00e31.00y-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN7.89 13.65 21.11 26.42 32.90 39.70 44.37 44.01 36.02 26.98 17.88 10.91 2.00
S.D.11.37 10.06 5.15 4.03 3.58 3.89 4.39 4.25 4.83 5.09 6.96 8.57 9.08
SKEW-0.43 -1.17 -0.43 0.03 0.77 0.41 0.41 0.54 -0.39 -0.38 -0.99 -0.71 0.02
MAX27.00 27.00 33.00 37.00 43.00 52.00 56.00 55.00 45.00 38.00 29.00 25.00 22.00
MIN-20.00 -20.00 6.00 14.00 26.00 30.00 31.00 36.00 21.00 11.00 -7.00 -11.00 -18.00
YRS89 89 87 89 91 90 89 91 92 94 92 90 44