RICHLAND, WA

Average of Maximum Temperature (Degrees Fahrenheit)

(457015)

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
1944-----z-----z-----z-----z78.46r81.70 92.58 88.26 83.30 71.71 47.07b32.48j77.44f
194543.10 50.32 55.13 66.96c78.90a85.07b98.10 96.20a81.74c76.35e55.15d44.68f71.55a
194649.16f55.20c61.10b71.96b84.69b85.33c96.23a95.93c82.66a65.93c52.59c50.00f75.16b
194743.26d55.05f67.79c74.32b88.60a80.10a92.14b90.71c83.90 66.67a52.27 43.06 71.17a
194845.72f45.38c-----z-----z-----z87.80 88.52 87.97 84.72e68.26 53.53 38.94 69.39d
194927.90 43.64 57.87 73.93 82.74 86.63 92.39 91.57a84.47 65.81 55.66a46.29 67.41
195023.94 40.93 54.26 64.43 75.71 80.87 93.84 93.77 87.10 63.39 48.87 45.94 64.42
195143.00a47.25 52.45 71.53 77.58 84.40 96.77a92.03 84.47 66.35 50.63 39.87 67.20
195235.35 49.83 58.68 72.67 79.23 82.67 95.29 86.42 87.07 76.35 46.33 42.97 67.74
195354.48 54.32 61.26 66.23 74.55 77.79b93.50a90.48 86.60 71.90 56.79b50.61 69.88
195442.58 48.00a56.61 66.24a78.29 80.00b90.68 86.77 81.30 66.00 57.73 44.90 66.59
195540.97 49.07 53.48 62.17 73.30a87.10 88.39 93.52 83.53 69.35 45.57 40.00a65.54
195643.70a35.90 57.35 73.00 80.97a82.67 95.68 92.00a84.80 66.06 47.47 45.26 67.07
195728.45 47.64 56.55 69.77 80.00 87.50 91.07a88.74 86.53 63.52 54.80 51.19 67.15
195848.10 56.50 57.52 66.03a85.74 90.43 98.16 98.45 82.13 71.71 54.90 45.17a71.24
195945.00 47.79 60.60a69.37 73.06 83.00 91.77 86.35 76.30 68.39 51.63 44.00a66.44
196033.27a49.79 58.13 66.07 71.71 84.13 96.39 85.06 80.40 69.57a55.70 37.77 65.67
196143.77 56.46 59.52 67.77 75.55 91.60 95.19 96.29 78.83 67.81 50.14a46.26 69.10
196244.20a49.61 55.61 71.40 71.00 84.31a90.87 87.77 83.70 66.61 56.53 46.71 67.36
196338.77 50.04 60.90 64.77 77.55 83.77 86.42 90.55 86.17 71.55 56.23 39.00 67.14
196447.77 53.79 57.23 65.67 73.48 81.33 90.32 83.58 77.87 67.39 48.23 37.87 65.38
196542.10 54.36 56.74 68.93 74.16 81.63 89.68 87.32 77.20 72.32 55.10 45.13 67.06
196645.45 51.96 59.61 69.87 78.84 81.07 88.53a89.97 83.77 68.94 56.43 49.35 68.65
196753.52 57.21 58.61 62.90 76.00 86.07 93.03 96.55 87.90 70.68 54.43 45.39 70.19
196848.48 55.03 62.74 66.30 76.23 83.67 93.32 84.55 80.50 65.30a52.48a42.10 67.56
196931.03 42.32 59.81 66.13 78.77 87.47 89.29 86.87 80.13 63.26 52.43 40.55 64.84
197039.03 50.11 57.58 61.80 75.45 86.33 91.16 90.23 75.43 65.29 50.33 42.29 65.42
197147.39 52.32 53.00 65.03 76.87 77.07 91.10 93.74 74.63 65.48 52.87 43.45 66.08
197242.58 45.72 60.26 63.77 76.52 82.93 88.84 91.48 76.43 67.23 49.87 38.97 65.38
197340.52 48.64 60.68 68.27 77.90 82.53 91.58 89.19 79.03 66.35 48.40 47.29 66.70
197438.19 52.75 58.03 64.77 71.65 87.27 88.94 90.65 84.70 68.03 52.30 47.97 67.10
197543.06 44.11 54.71 61.23 73.84 80.30 93.29 85.52 83.37 65.35 51.07b44.57a65.03
197644.94 49.10 55.81 63.70 76.55 79.27 89.16 84.94 84.47 68.10 52.77 41.39 65.85
197731.87 52.54 58.16 72.13 70.55 86.97 88.06 93.29 74.40 66.45 51.07 44.71 65.85
197839.45 47.93 60.90 64.53 72.13 84.53 89.90a86.84 76.80 67.74 44.25b39.90 64.58
197922.58 43.75 60.87 64.17 77.06 84.63 91.55 89.10 83.07 69.71 43.47 45.13 64.59
198034.13 42.11a56.39 69.47 74.13 77.03 89.42 85.39 -----z66.45 51.13 44.81 62.77a
198144.03 49.29 61.58 65.50 73.81 77.43 88.35 94.23 80.83 65.52 54.37 42.32 66.44
198240.00a50.26a58.52 64.10 74.00 84.37 87.81 89.13 77.03 64.06 47.63 42.97 64.99
198348.34b51.50 60.16 66.27 77.65 79.87 84.03 90.13 75.43 66.00 53.97 31.71 65.42
198442.19 48.66 58.77 62.30 69.87 78.40 91.00 90.16 76.37c64.23e50.52c36.65e64.09
198531.97b43.16c59.03 70.64b78.79b85.93a98.62b88.18c74.68b66.81e38.00d27.63a63.62
198642.93b50.38b62.71c66.76a78.58e89.00c84.63d93.19e73.36e68.11c50.55a37.58e66.48
198737.73e51.14f60.07d71.05h78.88f86.67f88.38w88.12g83.33f68.73e52.92f37.65e51.05h
198839.96f52.42c58.00g65.92e74.50a78.97 88.10 87.10 78.07 71.45 52.47 38.65 68.76b
198946.07b34.18 53.26 68.33 71.58 82.90 86.35 83.39 80.27 65.90 53.53 37.77 63.63
199047.29 46.81a58.77 69.43 70.45 79.27 90.52 86.81 85.30 63.00 55.07 33.60a65.53
199135.94 53.43 54.16 64.80 69.19 74.30 88.13 89.63a81.53 66.48 47.37 43.84 64.07
199243.74 49.34 62.16 66.13 77.77 85.67 86.29 88.10 75.13 66.19 47.36b38.19 65.51
199329.26 36.75 50.58 62.86a77.94 78.37 79.19 84.03 79.63 66.61 45.37 40.35 60.91
1994-----z43.21 61.35 67.87 74.83b79.63 91.94 -----z-----z64.58 47.93 42.84 63.80c
199540.97 51.96 -----z63.50 76.23 78.63 87.55 83.90 81.70 -----z53.21a38.81 65.65b
199636.90 42.90 54.84 66.37 68.03 79.57 90.20a87.03 76.53 62.58 46.43 37.55 62.41
199741.32 48.32 56.94 62.63 75.35 77.63 86.26 89.77a78.00 63.87 50.63c40.90 64.30
199843.37a50.50 57.68 65.37 71.32 80.73 92.58 91.03 83.33 63.63a-----z42.74 67.48a
199946.45 50.86 56.00 64.27 69.94 78.43 85.68 87.42 78.87 64.13 54.67 44.87 65.13
200041.03 47.59 56.32 68.60 72.03 81.47 87.19 86.84 74.87 62.90 41.87 34.90 62.97
200138.45 45.18 57.70a61.93 76.61 76.83 86.55 89.61 -----z63.55 50.03 42.45 62.63a
200245.42 49.36 53.06 65.27 70.77 81.93 91.03 86.55 78.97 64.00 49.47 42.77 64.88
200344.35 50.07 60.45 64.03 71.90 83.37 92.52 88.58 81.57 68.65 47.80 40.29 66.13
200434.19 45.00 62.90 68.67 72.00 81.93 91.06 88.29 76.47 65.48 49.87 43.93a64.98
200536.81 51.50 61.84 65.33 74.55 78.87 90.03 89.84 77.17 65.10 46.53 35.52 64.42
200647.58 47.14 56.29 64.43b75.23a80.97 92.68 87.94 79.30 63.70a50.10 36.32 65.14
200737.03 46.68 59.61 64.07 75.32 80.33 92.40a86.35 78.03 62.97 49.73 41.84 64.53
200837.13 50.69c54.61 60.87 74.55 78.80 88.42 86.35 78.83 64.32 50.47 34.16 63.27
200939.13 44.25 52.29 64.40 74.97 81.83 91.58 87.84 81.07 60.16 51.47 33.42 63.53
201044.21b51.19a59.23 64.07 67.90 76.60 88.35 86.06 76.00 64.23 45.63 39.73a63.60
201142.87 46.32 54.97 59.13 68.32 77.07a84.52 88.87 82.86a63.74 50.30 38.84 63.15
201243.06 47.14 56.39 66.07a72.00 75.50 88.94 90.10 80.67 63.65 49.83a43.48 64.73
201336.68 50.52a57.94 64.73 74.35 80.27 92.35 89.35 78.87 62.74 47.10 36.27a64.26
201440.58 41.46 58.96c66.34a75.94 80.07 93.13 89.39 80.07 69.52 47.80 43.42 65.56
201539.39 53.50 63.10 65.67 77.39 89.43 92.23 88.58 77.07 69.74 46.47 41.94 67.04
201639.77 53.66 58.48 72.37 76.48 82.67 86.58 88.84 77.00 61.87 55.77 35.52 65.75
201726.87 39.82 54.81 62.90 74.90 81.60 91.81 90.65 77.93 63.84 50.07 35.94 62.59
201843.81 48.50 56.42 64.80 78.71 80.17a92.29 88.13 76.50 63.10 48.17 42.29 65.24
201941.29 30.86 47.06 65.77 76.03 82.23 86.39 88.97 76.23 59.16 47.10a39.65 61.73
202047.74 52.45 56.33a67.53 73.58 82.17 98.13 98.35 86.23 71.23 54.53 43.76b69.34
202145.86b42.23b58.67a68.00 75.68 87.77 93.90a87.52 78.36b64.71 52.83 42.20a66.48
202235.94 49.61 59.29 57.47 67.29 78.57 92.42 93.19 81.70 71.03a41.68b30.23 63.20
202341.97a46.96 53.52 62.63 78.68 82.77 91.50a88.29 77.00 64.55 46.80 42.00a64.72
202435.32 48.72 59.52f-----z-----z-----z-----z-----z-----z-----z-----z-----z42.02j
Period of Record Statistics
MEAN40.49 48.15 57.80 66.17 75.25 82.14 90.69 89.30 80.24 66.50 50.47 41.12 65.59
S.D.6.24 5.06 3.31 3.39 3.95 3.69 3.57 3.35 3.72 3.27 3.93 4.51 1.96
SKEW-0.67 -0.95 -0.23 0.35 0.57 0.34 -0.10 0.73 0.21 0.70 -0.48 -0.42 0.42
MAX54.48 57.21 67.79 74.32 88.60 91.60 98.62 98.45 87.90 76.35 57.73 51.19 71.24
MIN22.58 30.86 47.06 57.47 67.29 74.30 79.19 83.39 73.36 59.16 38.00 27.63 60.91
YRS76 78 76 77 77 79 79 78 76 79 78 77 68