SEATTLE NAS, WA

Average of Maximum Temperature (Degrees Fahrenheit)

(457468)

File last updated on April 19, 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
1929-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z50.53 47.66b49.09j
193037.58 50.32 53.20a-----z60.48 66.47 -----z75.16 65.70 58.03 49.87 47.74 56.46b
193149.58 50.21 52.61 60.73 67.03 -----z-----z-----z65.83 -----z-----z-----z57.67f
193242.58 -----z51.29c57.07 62.06 70.23 68.58 71.13 68.41a59.73a52.46d42.61 58.74a
1933-----z-----z-----z-----z-----z-----z-----z74.77 -----z58.39 50.18b-----z61.11i
193449.68 -----z-----z63.24a-----z-----z-----z-----z-----z-----z-----z-----z56.46j
1935-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1936-----z-----z-----z-----z-----z-----z-----z-----z-----z61.77 -----z47.79c54.78j
1937-----z-----z56.19 -----z-----z-----z-----z-----z-----z-----z-----z-----z56.19k
1938-----z-----z52.81 62.43 -----z70.21a-----z-----z-----z-----z50.69a47.65 56.76g
193947.77 -----z-----z-----z65.23 -----z-----z-----z-----z-----z-----z-----z56.50j
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-----z50.77 -----z50.77k
194340.79c-----z-----z-----z62.42 -----z-----z-----z-----z-----z-----z-----z51.60j
1944-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1945-----z-----z50.97 55.63 66.74 68.87 76.32 73.81 66.37 60.94 49.50 46.35 61.55b
194646.71 48.50 51.26 56.87 68.61 67.83 74.90 73.87 68.40 56.42 49.14a45.16 58.97
194742.93a52.89 57.29 61.23 69.23 70.30 74.19 73.90 69.77 59.61 49.43 48.74 60.79
194845.74 46.41 51.81 54.80 61.94 72.73 73.52 69.90 67.57 59.90 48.60 42.58 57.96
194938.13a44.64 53.03 59.73 68.13 69.20 72.65 73.32 70.87 57.10 56.13 45.17b59.01
195032.00 47.07 48.45 56.47 61.65 70.00 74.45 76.42 70.27 57.58 49.52a50.10 57.83
195144.50a48.25 47.71 62.57 65.45 73.90 76.90 74.48 71.50 60.03 51.97 43.39 60.05
195242.94 48.28 50.74 60.17 65.13 66.33 76.45 74.94 72.73 65.32 51.00 49.48 60.29
195351.06 48.64 51.42 56.87 64.16 65.47 73.77 74.52 70.33 62.16 54.57 48.42 60.12
195442.39 50.04 52.10 55.23 64.39 65.53 70.42 68.94 67.33 60.23 55.33 47.74 58.31
195545.29 45.29 47.26 54.43 59.87 66.70 69.65 72.13 67.27 58.77 45.83 45.10 56.47
195645.13 42.00 49.03 60.70 67.81 66.03 76.77 74.45 67.97 57.32 50.60 46.58 58.70
195739.74 46.89 51.52 59.47 68.32 70.13 72.13 73.13 75.03 59.65 51.27 50.16 59.79
195849.32 54.46 53.23 59.63 71.71 74.47 82.74 79.32 68.90 62.77 50.07 50.48 63.09
195945.84 47.07 51.45 58.03 63.68 68.87 77.16 72.16 65.50 59.52 51.40 46.45 58.93
196044.65 48.52 52.06 59.57 61.45 69.10 78.81 71.00 67.67 60.55 51.97 46.19 59.29
196150.52 49.68 53.39 54.97 63.26 73.00 77.06 78.42 67.77 58.26 49.40 45.42 60.09
196245.48 50.00 50.58 59.37 58.97 68.73 73.97 72.39 69.83 60.23 52.53 48.13 59.18
196340.03 55.50 51.74 56.03 66.94 66.27 70.10 73.52 72.17 62.16 51.30 47.19 59.41
196446.97 49.03 51.19 54.40 62.10 65.67 71.39 70.35 65.67 61.65 47.53 41.61 57.30
196544.39 47.54 54.97 58.20 61.77 71.17 76.87 74.16 66.30 63.55 55.07 45.58 59.96
196645.77 49.54 53.10 57.83 63.71 67.93 72.10 75.19 70.63 60.23 52.07 49.23 59.78
196747.29 49.96 49.42 54.57 63.90 73.90 76.32 81.55 75.33 60.87 53.00 45.19 60.94
196844.90 56.45 54.35 55.97 64.81 67.80 77.65 71.55 67.13 58.52 51.67 42.13 59.41
196936.97 48.07 55.10 57.93 68.90 74.07 73.55 71.81 67.70 60.48 51.73 49.16 59.62
197046.87 54.11 55.35 56.53 63.58 -----z-----z-----z-----z-----z-----z-----z55.29g
Period of Record Statistics
MEAN44.31 49.24 52.08 58.02 64.63 69.32 74.55 73.80 68.93 60.06 51.13 46.64 59.39
S.D.4.35 3.28 2.35 2.60 3.10 2.84 3.22 2.78 2.68 2.02 2.22 2.47 1.33
SKEW-0.79 0.37 0.04 0.32 0.28 0.39 0.22 0.83 0.82 0.45 0.22 -0.42 0.32
MAX51.06 56.45 57.29 63.24 71.71 74.47 82.74 81.55 75.33 65.32 56.13 50.48 63.09
MIN32.00 42.00 47.26 54.40 58.97 65.47 68.58 68.94 65.50 56.42 45.83 41.61 56.47
YRS31 27 31 30 31 28 26 28 28 29 31 30 24