SEATTLE TACOMA AIRPORT, WA

Maximum of Maximum Temperature (Degrees Fahrenheit)

(457473)

File last updated on April 23, 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
194560.00 56.00 59.00 68.00 87.00 84.00 90.00 87.00 83.00 74.00 59.00 60.00 90.00
194658.00 59.00 64.00 72.00 84.00 81.00 92.00 87.00 85.00 64.00 69.00 55.00 92.00
194754.00 61.00 72.00 82.00 87.00 81.00 85.00 82.00 84.00 70.00 56.00 56.00 87.00
194853.00 57.00 70.00 66.00 80.00 87.00 88.00 80.00 81.00 76.00 55.00 47.00 88.00
194949.00 66.00 63.00 73.00 80.00 84.00 86.00 92.00 87.00 71.00 74.00 55.00 92.00
195048.00 58.00 56.00 74.00 79.00 84.00 86.00 86.00 86.00 71.00 64.00 58.00 86.00
195154.00 57.00 63.00 77.00 81.00 92.00 96.00 85.00 87.00 80.00 57.00a49.00 96.00a
195258.00 60.00 58.00 70.00 80.00 75.00 89.00 92.00 88.00 78.00 64.00 59.00 92.00
195355.00 52.00 63.00 65.00 86.00 71.00 88.00 85.00 86.00 76.00 61.00 51.00 88.00
195455.00 58.00 59.00 70.00 75.00 77.00 80.00 80.00 76.00 76.00 62.00 55.00 80.00
195550.00 51.00 64.00 70.00 70.00 96.00 82.00 87.00 86.00 68.00 60.00 55.00 96.00
195656.00 47.00 66.00 74.00 87.00 77.00 94.00 87.00 86.00 68.00 58.00 54.00 94.00
195749.00 56.00 59.00 75.00 80.00 76.00 82.00 80.00 84.00 70.00 57.00 61.00 84.00
195857.00 61.00 59.00 73.00 89.00 91.00 97.00 87.00 86.00 75.00 60.00 57.00 97.00
195953.00 56.00 59.00 73.00 81.00 85.00 93.00 82.00 77.00 65.00 58.00 56.00 93.00
196061.00 53.00 66.00 72.00 76.00 82.00 94.00 99.00 82.00 68.00 65.00 60.00 99.00
196160.00 57.00 61.00 64.00 85.00 90.00 97.00 93.00 86.00 80.00 62.00 53.00 97.00
196257.00 64.00 67.00 77.00 67.00 85.00 88.00 84.00 84.00 72.00 63.00 57.00 88.00
196352.00 68.00 64.00 65.00 93.00 88.00 78.00 85.00 89.00 76.00 59.00 56.00 93.00
196452.00 54.00 71.00 63.00 90.00 79.00 85.00 85.00 77.00 73.00 56.00 54.00 90.00
196555.00 59.00 69.00 77.00 74.00 89.00 94.00 90.00 78.00 74.00 68.00 60.00 94.00
196655.00 65.00 70.00 75.00 80.00 86.00 84.00 88.00 82.00 76.00 58.00 54.00 88.00
196756.00 56.00 55.00 62.00 82.00 87.00 87.00 98.00 93.00 71.00 61.00 55.00 98.00
196859.00 70.00 69.00 76.00 80.00 87.00 92.00 90.00 80.00 68.00 59.00 53.00 92.00
196955.00 57.00 70.00 68.00 90.00 91.00 85.00 84.00 85.00 73.00 62.00 56.00 91.00
197055.00 65.00 60.00 62.00 80.00 94.00 90.00 85.00 85.00 74.00 72.00 53.00 94.00
197155.00 56.00 55.00 76.00 87.00 80.00 95.00 94.00 76.00 72.00 55.00 50.00 95.00
197253.00 57.00 66.00 77.00 91.00 78.00 91.00 95.00 83.00 69.00 57.00 54.00 95.00
197357.00 67.00 62.00 65.00 87.00 86.00 90.00 85.00 88.00 68.00 60.00 57.00 90.00
197458.00 55.00 60.00 75.00 72.00 86.00 89.00 91.00 91.00 75.00 59.00 57.00 91.00
197553.00 58.00 61.00 67.00 81.00 88.00 90.00 84.00 86.00 81.00 66.00 57.00 90.00
197657.00 57.00 60.00 85.00 81.00 86.00 86.00 82.00 86.00 74.00 65.00 61.00 86.00
197757.00 67.00 59.00 78.00 72.00 87.00 87.00 96.00 77.00 69.00 60.00 56.00 96.00
197855.00 62.00 64.00 70.00 82.00 92.00 95.00 95.00 73.00 72.00 59.00 53.00 95.00
197953.00 58.00 70.00 76.00 81.00 88.00 98.00 82.00 93.00 77.00 62.00 56.00 98.00
198052.00 59.00 61.00 76.00 77.00 73.00 85.00 87.00 79.00 82.00 71.00 63.00 87.00
198164.00 65.00 67.00 73.00 77.00 80.00 87.00 99.00 94.00 64.00 67.00 56.00 99.00
198254.00 60.00 62.00 77.00 80.00 94.00 87.00 88.00 87.00 69.00 61.00 57.00 94.00
198356.00 62.00 63.00 74.00 92.00 79.00 85.00 81.00 77.00 63.00 62.00 51.00 92.00
198461.00 60.00 64.00 83.00 81.00 83.00 91.00 85.00 86.00 74.00 58.00 49.00 91.00
198551.00 53.00 63.00 70.00 84.00 88.00 93.00 89.00 76.00 66.00 56.00 55.00 93.00
198659.00 68.00 69.00 71.00 86.00 90.00 80.00 91.00 88.00 73.00 58.00 54.00 91.00
198759.00 64.00 75.00 82.00 84.00 93.00 86.00 92.00 91.00 89.00 64.00 55.00 93.00
198854.00 62.00 66.00 74.00 85.00 86.00 95.00 91.00 98.00 78.00 61.00 56.00 98.00
198953.00 52.00 62.00 81.00 79.00 90.00 84.00 85.00 91.00 74.00 60.00 57.00 91.00
199054.00 65.00 67.00 77.00 77.00 84.00 94.00 94.00 92.00 67.00 65.00 53.00 94.00
199153.00 66.00 65.00 73.00 72.00 77.00 99.00 88.00 85.00 83.00 61.00 57.00 99.00
199260.00 67.00 69.00 77.00 89.00 92.00 90.00 91.00 82.00 73.00 57.00 50.00 92.00
199355.00 64.00 64.00 73.00 85.00 80.00 78.00 95.00 85.00 80.00 57.00 64.00 95.00
199456.00 58.00 74.00 72.00 80.00 80.00 100.00 88.00 86.00 72.00 53.00 58.00 100.00
199559.00 60.00 72.00 71.00 84.00 96.00 93.00 85.00 84.00 70.00 65.00 60.00 96.00
199655.00 65.00 70.00 78.00 73.00 79.00 91.00 89.00 77.00 79.00 60.00 56.00 91.00
199755.00 58.00 62.00 71.00 81.00 76.00 88.00 88.00 82.00 68.00 64.00 56.00 88.00
199859.00 62.00 68.00 80.00 81.00 82.00 97.00 88.00 86.00 72.00 57.00 57.00 97.00
199953.00 53.00 64.00 81.00 78.00 85.00 86.00 82.00 87.00 69.00 62.00 53.00 87.00
200052.00 59.00 62.00 68.00 73.00 88.00 85.00 83.00 84.00 77.00 57.00 55.00 88.00
200157.00 56.00 66.00 71.00 85.00 79.00 83.00 88.00 77.00 71.00 62.00 54.00 88.00
200259.00 58.00 58.00 66.00 80.00 94.00 89.00 92.00 80.00 70.00 63.00 59.00 94.00
200358.00 52.00 66.00 67.00 78.00 90.00 93.00 84.00 88.00 71.00 57.00 55.00 93.00
200455.00 62.00 78.00 80.00 76.00 88.00 96.00 92.00 73.00 72.00 60.00 59.00 96.00
200562.00 61.00 67.00 78.00 89.00 79.00 87.00 88.00 78.00 69.00 54.00 62.00 89.00
200658.00 60.00 64.00 73.00 83.00 90.00 97.00 87.00 89.00 72.00 60.00 54.00 97.00
200756.00 58.00 68.00 78.00 87.00 84.00 98.00 86.00 85.00 72.00 58.00 59.00 98.00
200853.00 58.00 60.00 79.00 90.00 92.00 87.00 90.00 80.00 74.00 65.00 55.00 92.00
200953.00 63.00 57.00 74.00 83.00 91.00 103.00 90.00 87.00 66.00 63.00 57.00 103.00
201060.00 59.00 68.00 70.00 72.00 77.00 95.00 96.00 84.00 68.00 74.00 55.00 96.00
201155.00 54.00 62.00 66.00 70.00 78.00 84.00 87.00 85.00 67.00 62.00 53.00 87.00
201255.00 61.00 60.00 74.00 80.00 76.00 83.00 94.00 90.00 75.00 64.00 56.00 94.00
201353.00 56.00 69.00 71.00 87.00 93.00 89.00 88.00 93.00 73.00 64.00 56.00 93.00
201458.00 58.00 66.00 82.00 85.00 79.00 94.00 96.00 90.00 78.00 62.00 66.00 96.00
201563.00 62.00 69.00 77.00 82.00 92.00 95.00 92.00 81.00 74.00 60.00 60.00 95.00
201658.00 63.00 71.00 89.00 87.00 93.00 89.00 95.00 78.00 67.00 70.00 50.00 95.00
201754.00 58.00 58.00 66.00 86.00 96.00 87.00 94.00 90.00 69.00 68.00 54.00 96.00
201864.00 55.00 73.00 82.00 88.00 88.00 94.00 94.00 85.00 72.00 62.00 59.00 94.00
201961.00 50.00 79.00 70.00 86.00 95.00 91.00 89.00 81.00 65.00 61.00 56.00 95.00
202062.00 58.00 62.00 71.00 87.00 85.00 94.00 98.00 91.00 73.00 66.00 60.00 98.00
202158.00 53.00 62.00 80.00 80.00 108.00 92.00 95.00 81.00 69.00 63.00 56.00 108.00
202256.00 57.00 63.00 73.00 71.00 91.00 95.00 91.00 92.00 88.00 57.00 57.00 95.00
202359.00 57.00 65.00 80.00 89.00 87.00 91.00 95.00 87.00 79.00 63.00 63.00 95.00
202461.00 58.00 74.00 72.00i-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN56.08 59.11 64.84 73.56 81.72 85.70 89.91 88.91 84.53 72.66 61.47 56.04 93.14
S.D.3.44 4.64 5.17 5.65 5.81 6.62 5.31 4.85 5.23 5.13 4.42 3.49 4.44
SKEW0.14 0.09 0.42 0.07 -0.37 0.21 -0.04 0.15 -0.09 0.73 0.76 0.16 0.05
MAX64.00 70.00 79.00 89.00 93.00 108.00 103.00 99.00 98.00 89.00 74.00 66.00 108.00
MIN48.00 47.00 55.00 62.00 67.00 71.00 78.00 80.00 73.00 63.00 53.00 47.00 80.00
YRS80 80 80 79 79 79 79 79 79 79 79 79 79