SEATTLE UNIV OF WASHINGT, WA

Average of Maximum Temperature (Degrees Fahrenheit)

(457478)

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
190935.86c45.18 49.81 54.45a58.93c68.73 68.94 71.03 68.73 57.58 48.77 38.68 55.56
191040.55 41.37a53.71 56.00b64.77 64.53 71.16 66.68 63.12f55.42 46.07 44.55 54.98a
191139.94 42.72c52.10 54.07 58.81 64.43 73.68 68.19 62.20 58.47n47.27 42.65 55.09a
191245.17b46.90 49.84 53.80 65.29 67.90a71.10 66.87 65.52a54.77 49.00 43.74 56.66
191339.19 43.61 45.39 54.13 58.35 65.80 70.32 72.45 65.80 54.71 48.30 40.28f56.19a
191447.66b43.39 47.54e60.97a67.45 66.77d-----z70.63a60.80 59.26 53.17a-----z57.76b
191546.26d51.89 58.84 63.27 65.00a68.73 73.26 76.90 65.77 59.74 46.33 48.10 60.34
191636.94 47.59 49.19 56.53 59.81 67.70 69.55 73.48 67.27 58.10 49.63 41.84 56.47
191743.35 43.68 49.06 53.17 59.97 66.33 74.81 76.35 66.13 58.58 52.93 46.35 57.56
191845.32 41.50 48.23 59.10 -----z72.17 72.68 72.32 72.07 58.68 49.20 44.68 57.81a
191945.93a46.68 52.94 59.90 64.52 -----z-----z-----z68.66a53.70d45.50 38.35 52.91c
192037.32 37.62 43.32 44.80 53.90 61.57g71.16 70.94 61.07 -----z49.43 47.32 51.69b
192145.96g48.96b51.77 56.40 63.74 69.93 71.81 73.00 66.97 61.68 51.87 45.74 60.17a
192241.90 46.32 49.52 56.33 66.94 74.14a75.00 72.68 70.73 61.32 51.83 43.42 59.18
192347.37d45.21 52.42 61.07 63.84 70.72a76.03a75.80a70.30 65.90a54.03 48.19 60.91
192445.57a53.31 53.59b58.20e69.71j71.87g72.71c72.79b71.62d60.68 51.27 43.77a58.35b
192547.87a50.75 52.39 60.13 69.06 71.20 76.29 71.84 68.77 59.45 51.90 50.94 60.88
192646.52 51.50 58.37a65.50 64.58 72.73 77.16 73.32 67.00 61.81 54.93 45.03 61.54
192743.90 50.43 49.94 57.30 59.03 70.03 74.39 75.16 64.97 60.00 50.73 42.77 58.22
192845.68 48.48 55.03 56.20 67.74 67.87 74.68 71.94 67.53 57.16 51.43 45.63a59.11
192938.77a41.04 50.97 54.50 62.87 66.87 73.93c74.32 71.17 64.63d50.73 46.97a58.06
193038.35 49.93 53.67a61.10 62.42 67.07 72.45 75.50a66.87 58.20a50.07a47.58 58.60
193150.77 51.33a54.32 -----z-----z70.20 77.06 77.00a67.52a60.86b48.28a45.83b60.32b
193242.90a46.96a53.10b60.67 65.52b75.14a72.07a76.19j72.67 62.67a54.03 43.29 59.00a
193343.61 43.64 53.23 60.90 61.83a69.38a74.39 76.71 64.86a61.90b50.80 48.74 59.17
193450.13 56.07 60.97a68.00 68.65 73.60 73.32 76.71 67.67 63.10 53.72a47.39 63.28
193546.32 52.21 49.90 59.63 67.16 71.37 74.94 74.19 72.47 58.74 48.97 49.29 60.43
193648.35 41.00 51.16 62.60 69.61 72.43 75.71 77.65 70.00a63.45 53.30 47.77 61.09
193735.35 46.32 57.03 56.30 67.42 73.70 75.90 74.19 70.63 64.81 53.37 48.74 60.31
193847.48 51.32 54.07a63.10 67.63a73.40 78.97 74.52 73.97 62.81 50.40 47.97 62.14
193948.32 45.96 54.06 64.10 67.48 67.74c77.19 77.65 69.53 60.65 57.62a51.55 61.82
194049.43a51.83 56.65 62.63 69.23 74.83 75.23 74.73a72.83 63.65 49.77 50.37a62.60
194150.43a55.04 61.58 64.70 65.68 71.67 80.71 75.39 67.11b62.03 55.33 48.19 63.15
194248.23 49.04 54.69b60.73 64.90 67.83 78.84 77.77 73.60 66.53a51.10a47.63a61.74
194340.68 52.82 54.03b62.57b63.45 69.03a74.77a76.18c75.10a62.43a54.40 48.32 61.15
194449.73a49.17 52.77 59.38a66.23 70.83a77.06 73.67a73.70 66.32 52.73 46.71 61.53
194548.68 49.18 51.20a54.80 67.87 69.50 78.97 75.84 67.38a62.61 49.37 46.71 60.18
194647.81 48.86 52.21b57.43 69.23a68.03 75.90 75.65e70.24a57.00b48.23h47.57j62.24b
194741.50a-----z57.87 63.07c69.52 70.63 75.26d74.42g-----z-----z50.21b48.97 59.63d
194846.10 46.62 53.23 55.57 63.87 74.60 75.39c71.97a70.40 60.32c49.67 43.68 59.28
194939.00 45.39 54.47a62.20 70.84 72.70 76.43a75.06 72.57 57.32 56.73 46.00 60.73
195033.43a48.00 49.81 57.27 63.48 72.93 77.19 78.81 72.13 59.13 51.07a51.06 59.53
195144.26 49.18 49.32 65.37 68.13 77.03 80.81 78.13 73.03 60.68 52.13 43.26 61.78
195242.71 49.03 51.81 62.30 68.06 67.78g77.57a77.19 75.17 65.39 49.10 48.19 60.59a
195350.71 49.86 53.27a57.17 67.65 68.30 79.90 78.19 71.43 63.13 54.33 49.32 61.94
195443.23 51.71 53.39 55.93 65.12e67.53 70.77 71.14b67.33 61.97 56.50b49.68 59.52
195545.52b46.89 49.40a56.33 63.00 71.48a73.52 76.37a71.13 61.61c45.57 44.87 58.81
195645.35 43.14 49.63a62.41a72.55 68.40 80.26 78.13 71.17 59.63d52.66a49.39 61.06
195741.77a49.07 54.19 61.55a71.55 75.08f-----z-----z79.55h64.17g53.23 52.64c54.86e
1958-----z56.59a54.90a60.77 73.07a74.96c82.90a78.86c70.46f63.30d52.05h-----z68.17d
195947.33a47.60c52.77a60.33 65.23a69.50 78.54g73.72b65.72a58.79b50.45a45.73a57.93a
196043.71 48.67b51.39 59.03 61.48b71.04c80.52d71.93b66.63 59.58g50.55a48.23r60.50b
196149.79g46.32 50.96e-----z71.29q73.91h81.59n79.73i70.42k57.38e50.76e45.93p51.36h
196244.93b50.50 51.85k61.97 61.10 69.91h74.27e75.70k70.86i60.81 52.68b48.35 56.83d
196340.55 56.50 53.85d58.87 69.16 68.07b70.62e72.63a72.27d62.26d50.66a45.70d60.09
1964-----z-----z52.00a57.31a63.70a68.34a-----z-----z66.60 60.97 45.52i42.45 58.77e
196544.58 48.21 55.74 59.47 62.71 70.80 78.77 75.03 67.07 64.10 55.10 46.19 60.65
196645.58 50.18 52.80a59.37 65.74 69.23 73.03 76.68 71.70 60.77 52.63 49.40a60.59
196747.58 50.29 50.19 55.20 64.77 74.37 78.16 83.58 77.30 61.84 53.97 45.52 61.90
196845.32 55.72 55.55 57.07 66.29 69.67 79.13 73.16 68.60 59.58 52.47 42.52 60.42
196937.48 48.04 55.45 57.97 68.48 75.07 75.10 72.87 68.90 60.94 52.90 49.10 60.19
197046.68 55.36 54.84 55.50 64.94 74.90 76.52 75.16 67.18b59.71 53.77 44.61 60.76
197145.32 47.96 48.81 57.60 64.84 65.70 77.74 80.55 68.83 58.00 51.13 42.84 59.11
197242.52 48.52 53.87 55.00 68.16 69.00 78.52 80.71 68.67 60.97 53.40 43.32 60.22
197345.68 52.71 53.29 59.67 67.97 68.03 76.90 72.26 71.03 59.58 48.20 49.23 60.38
197444.68 47.96 52.39 56.57 62.16 71.20 74.26 77.45 77.40 64.19 52.77 49.42 60.87
197545.48 47.93 51.61 54.77 65.48 68.50 76.84 71.19 73.07 58.61 50.93 48.03 59.37
197647.87 48.48 50.39 59.43 65.94 67.73 75.61 70.23 71.50 62.65 54.30 49.16 60.27
197744.39 55.25 51.45 63.07 62.58 72.90 74.55 82.03a68.43 61.29 50.33 48.19 61.21
197848.94 52.18 58.55 60.00 67.00 78.92f79.47a76.32 66.57 64.07b47.97 44.00b60.46a
197942.97 48.25 60.94 58.58d69.77 76.10 -----z76.89m76.60 65.84 52.27 50.65 60.20b
198043.10a51.90 54.19 66.13 68.61 68.81c78.71 75.61 72.93 66.35 53.50 50.19 62.50
198152.10a51.50 60.48 61.25b66.68 69.57 77.06 84.74 74.73 60.58 55.37 47.19 63.44
198245.06 50.33a55.16 59.93a69.10b79.11b76.57a78.35 74.41a63.13a50.31a47.48 62.41
198351.48 55.44a58.07a64.28a73.65 71.34a76.52 -----z-----z-----z-----z-----z64.40e
Period of Record Statistics
MEAN44.57 48.77 53.04 59.08 65.65 70.45 75.60 74.97 69.70 60.95 51.48 46.63 60.37
S.D.4.09 4.03 3.46 3.77 3.69 3.11 3.01 3.49 3.61 2.89 2.63 2.95 1.70
SKEW-0.58 -0.22 0.24 -0.45 -0.45 0.43 -0.06 0.21 -0.10 -0.19 -0.12 -0.51 -0.63
MAX52.10 56.59 61.58 68.00 73.65 79.11 82.90 84.74 77.40 66.53 57.62 52.64 63.44
MIN33.43 37.62 43.32 44.80 53.90 64.43 68.94 66.68 60.80 53.70 45.50 38.35 55.56
YRS71 73 74 73 71 67 68 66 68 69 71 68 51