PROSSER, WA

Average of Maximum Temperature (Degrees Fahrenheit)

(456763)

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
1912-----z-----z-----z64.44n77.03 85.60 88.77 84.16 76.67 60.60a52.23 43.57a71.08d
191335.45 38.39 54.26 68.03 75.86b83.59c91.59b91.25c79.90a63.35 52.29b36.87a64.24
191447.13 44.08b61.71 68.53 80.53a82.57 96.00 94.29 76.48e66.07a52.42d31.10 66.74
191534.06 48.68 62.00 71.77 74.84 86.10 90.57h95.77 78.97 69.42 47.29b41.65 64.59a
191626.50a40.93 58.27a68.60 71.19 79.60 83.84 89.35 79.30 67.55 43.43 33.52 61.84
191739.81 44.81a51.16 60.60 71.58 79.76a92.07a91.29 81.00 72.23a54.89b53.48 66.06
191845.26 46.04 58.90 69.00 72.00 88.17 88.48 83.87a84.37 68.77 52.00 43.68c66.71
191943.75c45.79 58.81 67.57 73.65 79.41c89.50a89.74 77.71b66.94 50.17 30.14b64.43
192036.29 46.34 57.16 61.97 72.29 79.86a93.10 87.77 76.10a63.42 49.90a46.10 64.19
192143.86b47.56a59.13 64.40 76.19 83.87 89.29 89.23 74.67 71.30a53.55a39.55b66.05
192229.26 41.70a54.66b62.63 73.81 89.76a92.61 89.03 84.27 67.46c44.59a34.96e63.73
192346.80a40.48a60.20a68.21b74.55 -----z90.60a89.29 83.93b66.74 55.52a47.17g67.63b
192438.43c55.45 59.63a69.31a83.61 85.86a90.57a88.03 82.54d68.50a48.89c-----z70.07a
192550.29 55.75 63.23e71.24a79.14c85.83a94.32 88.42 79.30 68.39 50.41a44.71 69.25
192640.90a55.48a66.03a74.23 75.67a87.57 93.39 88.83b75.34a69.24b54.30c42.22d68.60
192738.31e50.07a56.10u65.22c72.16f83.46d91.29 88.06 76.62a67.69b58.38d41.17g68.79c
192835.93a48.15c60.17a65.04f83.27a82.43 93.97 90.40a83.86a68.52b51.33 40.36c67.13a
192927.71 36.00c61.76b65.11c75.73a81.68b90.26 93.06 79.45a71.23 49.40 44.76j66.49a
193028.67j52.04c59.87a70.47 71.87 78.40 90.81e91.26 80.80 65.00a50.96f36.10a69.66b
193143.50a49.52c59.07d68.52c82.32c81.78c92.16 91.67a78.45a68.73a48.22c38.56f69.45a
193239.96e45.30b57.77e68.43 74.29 86.89b86.42 88.65 83.53 68.45 56.07c41.21g68.71a
193345.86c41.96c57.54c69.48a70.24b84.19d92.03 91.17a74.93b71.79b51.85c51.00c66.84
193450.93a55.39 66.90 76.70 79.17b84.37 90.68 90.55b79.93b66.86c54.33 44.28b70.01
193544.77a48.46 56.80a65.00a77.20a82.57 89.63a88.03 84.90 67.32c-----z38.06 67.52a
193642.67g29.71e59.28b73.33 79.97a83.86a90.10 89.87 80.70 73.33a46.63 45.69b68.41a
193723.29 43.59a60.17a65.18b77.00a81.53 92.20a85.32 81.63 72.28b53.39b43.70a64.94
193844.92f44.11 57.07a69.56e77.60a85.93a92.97a88.58 85.70 66.42 50.83 46.27a69.55a
193946.30a47.26a60.52 72.13 78.81 81.03 91.26 91.00 83.10a70.20a55.50 48.41b68.79
194036.33a48.14 63.48 69.00 79.39 87.57 90.73a89.39 83.11b69.23a44.61b42.55b66.96
194140.31b50.21 66.84 71.53 74.19 82.46b93.97 85.90 75.62a64.48 55.68b45.89c67.26
194232.00a48.14 60.24b70.93a73.48b79.21a91.10 92.10 83.70 69.10 46.48a41.17b65.64
194332.93d46.60c56.71 68.80 71.00 78.67 90.58 85.94 85.87 64.47a46.86b39.69b64.01
194436.55b46.93 57.23a64.43g75.43a82.00 90.71 88.03a84.00 71.97 47.32b36.41b65.15a
194544.90b52.39 53.67g65.27 77.43a82.29b91.68 89.71 78.57 69.80a49.59a39.74 67.40a
194648.12w51.86 58.10 67.87 79.23a-----z88.83b88.23 78.21b62.61 48.61b46.57c67.01b
194741.48d53.57 63.67a71.03 82.23a79.11b88.13 85.87a80.45a63.53a49.90a43.17g69.00a
194841.71c42.27c55.52 62.43b71.03a86.03 86.97 85.48b78.67 64.62b-----z37.21b64.72a
194926.03 43.21 56.35 72.27 80.58 83.83 88.48 87.68 80.73 62.71 53.70 45.50c65.09
195024.83a42.64 54.32 63.90 76.00 79.83 91.16 90.19 82.80 61.00 50.33 45.32 63.53
195142.06 47.46 52.43a72.00 77.10 83.43 91.06 88.16 80.73 61.90 50.12e37.00 65.29
195232.87 47.48 56.84 72.50 76.50a80.70 91.16 88.26 82.90 71.45 42.67 40.13 65.29
195353.50e54.00 59.42 64.37 71.93b76.14a89.68 86.90 82.33 67.45 53.59a47.79b67.26
195440.30a46.23b55.37a65.14a75.76b77.80 87.19 83.97a77.23 62.65 55.17 42.45 64.10
195536.97b47.32 53.06 60.83 71.66b83.24a85.10 88.65 78.90 65.55 41.30 38.10 62.56
195639.10 35.48 55.87 71.37 78.55 79.53 91.74 87.94 80.43 63.39 45.33 44.57h66.25a
195726.74 46.04 55.10 67.93 79.23 83.23 86.58 84.55 81.47 60.68 51.53 48.20a64.27
195847.32 55.14 57.32 64.53 83.19 85.27 93.55 92.71 78.67 70.40a52.57 43.68 68.70
195942.03 47.04 59.23 69.23 71.61 81.17g91.74d84.23 74.20 67.10 50.20 41.19 63.44a
196031.16 49.07 58.35 66.53 70.81e83.53 93.29 83.93a80.77 68.89c53.20 34.45 64.50
196143.55 54.52a56.80a65.47 73.17a87.20 91.71 91.81 76.77 64.29 47.77 43.81 66.40
196242.19 47.86 55.32 71.37 68.97 80.87 88.62e84.19e82.24a64.68 54.17 44.13 65.38
196339.21q-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN38.90 46.93 58.53 68.12 75.96 82.87 90.63 88.66 80.25 67.05 50.59 41.78 65.76
S.D.7.34 5.50 3.48 3.64 3.81 3.06 2.42 2.80 3.09 3.34 3.85 5.11 1.99
SKEW-0.35 -0.61 0.45 -0.11 0.24 0.07 -0.55 0.09 -0.12 -0.15 -0.40 -0.20 0.29
MAX53.50 55.75 66.90 76.70 83.61 89.76 96.00 95.77 85.87 73.33 58.38 53.48 70.01
MIN23.29 29.71 51.16 60.60 68.97 76.14 83.84 83.87 74.20 60.60 41.30 30.14 61.84
YRS46 50 48 48 50 48 50 51 51 51 48 43 31