RICHLAND, OR

Average of Average Temperature (Degrees Fahrenheit)

(357160)

File last updated on March 29, 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
189330.40 33.35b40.66 -----z57.97a64.97 73.53a76.76 60.70 51.75q41.03 38.19 51.76b
189435.02f32.27b42.56 52.38 61.05 63.77 75.29 73.32 -----z-----z-----z-----z57.24e
1895-----z-----z-----z50.37 56.95 64.47 69.76 71.97b55.72 54.79 43.83 31.00c55.43c
189632.95b35.67 40.84 46.17 51.69 67.00 76.74 71.89 60.47 54.08a40.00b-----z52.50a
1897-----z-----z34.12b-----z-----z58.39b65.06 70.08 57.63 48.36b37.30b31.03 50.25d
189821.28a35.20 36.39 50.95 55.87e64.20 69.34 69.90 53.34h-----z-----z-----z50.39d
189932.40 27.54 39.95 46.93 51.30a61.55 69.02 61.45 60.18 44.02 40.82 24.02 46.60
190031.63 31.39 43.31 46.53 55.03 65.22 67.32a61.61 55.47 43.70f35.35 34.13 47.91a
190130.90a32.54 39.00a42.63 54.97 57.43 69.52 71.58 54.83a53.39 43.70y-----z50.68b
1902-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1903-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1904-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1905-----z-----z-----z-----z-----z-----z-----z-----z-----z40.86m36.70c29.14f36.70k
190626.41d33.79 35.11 50.17a54.11 57.00g74.71b69.23a60.88 -----z36.16b35.81 47.64b
190728.96e43.04e43.13a46.81v58.06 61.75 70.15e67.33a61.55 57.52 39.88 33.18 51.32a
190833.58g37.47m40.76 53.69i52.16 63.64e72.77c67.98h61.14h48.35 41.88j28.42 51.02f
190933.23 38.19b40.75g46.27 53.82i64.30e67.31w69.17b61.38 50.52 41.67 23.96d47.63c
191025.09b27.25 46.23 52.90 58.18 63.82 72.18 65.47 59.52a50.45 38.33g33.43b50.41a
191130.97b28.96b42.94 46.47 51.39 64.55 70.78h66.95k55.60i47.05 36.24a28.91c41.94c
191225.30a35.96a38.77 48.05a55.34b64.38b67.06 65.57a55.27 45.60a39.87g30.05a48.31a
191327.21c-----z-----z-----z-----z-----z-----z-----z57.54p46.77a41.64a28.87 36.12h
1914-----z33.25b45.19b51.15d60.04d61.17a-----z70.48e-----z-----z-----z21.92g53.55f
191527.58a40.68 46.89c54.06c55.62a62.65d69.98 76.48b59.31c51.26 36.45 30.15 50.93
191621.94d35.74 43.89 51.00 52.02 61.73 69.39c69.60 60.83 47.61 36.61c23.30h50.03a
191719.85a28.30 31.79 47.37 55.32 61.67 75.58 71.94 65.40 51.21 42.22 40.45c49.26
191834.13a35.80a45.35 48.98 55.50 72.57 71.98 67.39 63.93a52.27 36.71a29.37 51.17
191927.08f35.50 43.40 50.12 57.77 66.13 72.67a72.76d60.84b45.71 37.05b22.43a51.31a
192025.71 36.24 41.78a46.88b54.24 61.76a74.17b70.32 61.03 47.98 37.90 35.29 49.44
1921-----z-----z42.75a45.48 56.15 65.73 70.71 70.20a54.98 51.97 41.25 32.05 53.13b
192218.92a28.71 36.97 -----z-----z69.52e74.57a72.72a64.13 53.17a35.58 29.50 48.38b
1923-----z-----z-----z-----z58.46d-----z-----z-----z-----z-----z-----z-----z58.46k
1924-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1925-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1926-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1927-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1928-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1929-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1930-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----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-----z38.88a30.31 34.59j
194532.31 37.61 40.97 47.39g56.89 60.88 71.87a69.32a59.86b52.84c38.47a30.45 50.13a
194630.55 32.46b44.38a52.50 58.10 62.95 71.42 69.89 58.30 45.02c38.17 34.79 49.88
194725.43a39.91 45.95 50.03 64.33b60.79a72.45 68.29 62.63 55.02 37.72 32.27 51.24
194832.56 34.90 41.02a47.98 57.52b66.47 68.68 67.50 62.57 55.92k40.62 23.92 49.43a
19498.92a-----z44.94 52.20 61.45 63.88 70.22a72.10a64.87 47.68a43.68 32.88a51.17a
1950-----z35.27 39.19b50.58 55.56 62.52d70.90 71.16 62.45 56.47 43.27 38.39 53.25a
1951-----z-----z37.48 52.38 60.79 64.40 75.13 70.81 63.78 50.05 37.90 28.26b54.10b
195226.48 30.57 33.42 51.48 63.18n64.95 76.81 73.22a65.05 56.74 36.88 38.53 50.38a
195342.52k38.62 44.88a-----z57.83h63.45 76.52 73.77 64.90 47.56 43.80g26.80a54.56d
195428.31b39.35a28.67v43.68 55.95 -----z77.50a68.32 -----z47.73k38.10e30.82a47.75d
195526.92 28.32 34.97a44.96b56.37a66.95 74.55 73.92 64.20 54.32 34.72c-----z50.93a
195635.35a29.90 43.65 50.59h60.40 -----z76.68 72.40b65.18b51.34 33.81f30.57b51.72c
195717.62a33.20a44.45a-----z60.71 66.80 73.32 72.69 67.93 44.48b28.82k-----z53.47c
1958-----z43.88 41.32a50.08 65.79 69.07 77.21 76.77 61.60 -----z38.57i-----z60.71d
195936.12c37.50 41.60 51.57 53.82 69.92f72.92 72.67e63.03 51.77 36.57 31.92 49.95a
196025.19j34.74 51.29 50.78 56.98f66.92 79.47 71.09c63.00 55.98 46.67a31.87a55.18b
196132.50c44.44b43.50 51.42 59.02 73.14b75.86c78.02a58.40 50.20a37.50m32.27 54.43a
196223.87 31.44a43.03 57.33 58.47 66.28a71.81 69.82 63.52 52.21 43.67j35.93a52.16a
196322.65a43.50a46.88a-----z62.11 64.05 72.26 73.24 68.58 58.85 48.98g30.02e54.22b
196431.17a30.53 43.81 49.14a57.70a63.65 72.71 70.02 60.09a56.22a39.83 34.22a50.76
196535.82a38.64 37.73 56.72 58.73c66.32 73.32 71.63 59.50 53.60 44.21a33.05 52.44
196636.45 36.59 47.22d52.45 59.00 67.07 72.76 75.45 70.33 53.81g47.22 35.45b54.54a
196735.30a38.70 42.11 43.13k57.47 69.19f76.20a76.94 67.58 50.52a40.83 28.98a51.46b
196831.37 43.40 47.10 46.12 57.43a67.94e74.74f68.34 62.63 49.48 40.40 31.95 49.65a
196932.06 33.96a42.37a52.60 61.10 65.98 71.19 72.72d63.58d45.29 39.73 35.20a51.32
197034.47 39.54 42.53 46.45 58.27 69.92 73.87 74.40 57.38a48.95 41.23 30.37 51.45
197133.35a37.93 38.77a47.87 59.32 63.21f73.82 76.58 57.27 48.87 37.90 29.08 49.16a
197231.48 33.33 45.24 46.98a60.58 67.30 71.18 72.82a58.07 50.48 39.20 22.83h52.42a
197333.00 39.80 45.11 50.71a59.02 66.24a72.02 70.89 61.25 49.42 39.92 36.98 52.03
197426.37 37.07 40.87 49.07 54.48 70.90 71.90 69.19 62.95 49.58 39.63 30.53 50.21
197526.68 33.52 39.32 43.83 56.48 63.05a74.74 68.73a63.65 50.75a37.50 30.83a49.09
197630.95a34.09 38.87 48.50a57.74 62.52 74.05a68.05a64.88 53.42a42.68 29.48a50.44
197721.53o-----z-----z54.80b56.52 70.97 71.87 72.24 61.76a51.95a38.27 37.05 57.27c
197836.33a39.83a48.89 50.65 55.08 63.85 72.62a68.45a60.02 52.26 35.07a25.07a50.68
197914.15a34.72a45.37a50.27 59.58a66.71a74.37 72.56 66.33 55.81 34.70b35.79 50.86
198031.43b39.78 42.57a52.20 58.18 61.88 72.82 -----z-----z-----z-----z-----z51.27e
1981-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1982-----z-----z43.28a47.10a58.59b67.32b72.32c71.58f64.52c54.02c-----z32.20a54.92d
198335.21e38.85a47.44 47.85d60.13d64.97a52.48j76.29n60.16a54.82a42.10f28.77e48.69c
198424.70h28.09f42.69b58.20c66.34o68.20y81.32n-----z64.62i52.15g38.94c-----z46.61i
1985-----z29.76a38.58a61.66h67.50j-----z-----z82.88w68.14s54.06m-----z-----z34.17j
1986-----z-----z-----z-----z-----z-----z-----z73.63 56.95 50.29c38.60 30.03b49.90g
198726.39 37.27 42.63a54.27b61.10 67.20 70.34 68.65 63.27b51.94 40.07c32.40 51.29
198826.60 34.74 41.93a50.05a57.29 67.13 72.68a69.32 59.28a57.97 39.37 25.39 50.15
198920.63 16.41a40.88b50.80 54.18 66.10 73.24 67.98a60.35 49.20a38.87 30.82 47.45
199034.72a33.17a42.78a53.35 54.11 63.23 73.73 71.35a67.00 47.29 37.77 20.44 49.91
199123.24 39.02 40.62a47.21a52.77a60.45 72.69 73.43a62.88b49.66b36.13c31.38b49.12
199232.02 41.31b47.98a51.91a61.28b68.03 68.29 70.35a58.93 52.14c35.90a27.57b51.31
199322.34 27.04 39.33b46.27 61.78a60.40a62.45 68.88k-----z47.37l30.09a32.23 42.43c
199433.08a31.71 43.55a51.17a59.00 64.16a73.05b72.87 64.30 49.10b32.07 29.00d50.26
199533.48c40.26a42.45a46.98b56.31b62.59c71.87 67.24 62.90a46.00e40.70c33.58e50.36
199632.40f34.31c42.44e48.18e54.17a64.57a73.93b71.31 59.97a49.57c38.62a34.31e51.94a
199731.41d35.86 43.32f-----z-----z65.30 69.70a-----z-----z48.26b39.63 -----z48.36f
199836.19g38.35a42.15a47.61b57.03b61.18 76.29 -----z-----z-----z-----z-----z53.77f
199935.21b33.36 40.40a45.96d53.47a-----z70.03 69.77 60.93 -----z41.43a-----z50.06c
200032.64b38.52a42.63e52.25t60.74h68.45 80.17a-----z62.70b48.69d33.84a31.96c48.84c
200124.83b-----z44.18 47.93a60.17g75.11c72.94 75.74b-----z45.60 38.81f34.55a52.61d
200227.73e34.44a-----z-----z61.86c64.47 -----z-----z-----z46.13 36.84a34.97a43.78e
200335.37a35.23 42.20a46.18 -----z71.45 80.65 73.00 61.50 55.71b33.92d34.52e51.79a
200426.68c31.70i45.23 49.39b56.44 64.69c74.58a71.60b60.11b50.71 37.62a33.19b51.84a
200530.97 34.80 43.07b46.56c56.45b62.08 72.53a71.80a58.79a47.81g35.55a26.65d49.02a
200633.46d33.10b38.63h47.38d57.09c65.39c78.93a69.03 61.14b47.82 40.96d28.59b51.17a
200725.98e36.59a43.96d48.91c58.77a66.72a77.85a70.00d60.42 46.90f35.88e31.16 50.57a
200826.17b33.84d36.93d43.85c56.40b62.12a71.52d69.93b59.29b48.07b39.71a28.63e48.04
200926.81d31.60c38.23a46.88 55.21e62.86a73.15 70.68 64.25 43.52b35.96b25.25a47.87
201034.27 36.48 40.60a45.27 50.18 61.36a70.52 69.87 61.07c52.11c36.70 31.13a49.13
201127.95a31.79 39.82a42.02a50.73 60.48 69.68 72.45 64.90 49.10 -----z-----z50.89b
2012-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2013-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2014-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2015-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN28.93 35.12 42.03 49.22 57.18 64.91 72.80 71.03 61.65 50.63 38.62 31.22 50.10
S.D.5.51 4.59 3.55 3.31 3.12 3.28 3.17 3.06 3.21 3.58 3.06 3.87 1.40
SKEW-1.05 -0.70 -0.38 0.32 0.03 0.61 -0.12 -0.36 0.09 0.20 0.23 -0.25 -0.73
MAX36.45 44.44 51.29 58.20 65.79 75.11 80.65 78.02 70.33 58.85 47.22 40.45 52.44
MIN8.92 16.41 31.79 42.02 50.18 57.43 62.45 61.45 54.83 43.52 30.09 20.44 46.60
YRS73 79 83 75 79 81 82 79 77 74 73 76 28