PORTLAND INTL AIRPORT, OR

Average of Maximum Temperature (Degrees Fahrenheit)

(356751)

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
1938-----z-----z-----z64.03 70.94 76.30 83.65 77.10 78.00 64.58 50.10 48.32 68.11c
193948.03 46.21 58.23 66.67 71.26 70.37 81.55 81.94 75.47 63.81 56.40 50.48 64.20
194047.52 51.83 59.65 63.97 74.39 79.57 79.84 82.03 74.10 65.03 49.10 48.52 64.63
194147.35 55.14 63.52 65.80 67.10 71.57 84.52 77.58 68.80 62.52 54.80 47.68 63.86
194239.77 49.18 55.65 62.07 65.13 70.40 80.23 80.55 76.27 65.45 50.37 47.68 61.89
194340.03 52.64 53.45 64.07 65.16 69.63 78.94 77.97 79.47 62.48 53.50 46.32 61.97
194445.52 49.03 54.74 59.90 68.35 71.77 80.16 78.00 77.80 67.90 51.57 44.77 62.46
194548.48 50.75 51.97 58.70 68.42 73.00 81.97 80.42 72.10 64.06 50.33 44.87 62.09
194646.68 49.36 54.39 61.47 70.65 70.57 79.10 79.97 72.47 58.84 51.03 47.19 61.81
194743.42 53.82 59.77 64.60 73.32 71.10 77.19 76.94 75.63 61.81 52.63 48.29 63.21
194845.71 47.52 52.39 56.47 65.00 75.87 76.71 74.19 72.87 62.23 49.53 42.81 60.11
194934.45 45.21 53.03 63.00 69.81 72.93 77.13 77.39 75.00 57.61 58.40 46.32 60.86
195032.77 45.50 51.45 57.87 65.81 71.33 79.00 81.81 74.37 58.68 51.60 51.42 60.13
195144.52 49.71 49.35 66.03 66.97 77.07 78.42 77.90 76.03 61.58 51.23 42.61 61.79
195240.42 48.38 52.42 64.37 68.52 69.37 80.94 79.65 79.03 71.77 49.47 46.81 62.59
195352.03 51.29 53.55 58.83 63.29 66.40 78.00 76.13 74.63 64.39 54.97 49.06 61.88
195444.19 49.75 54.06 59.30 67.39 66.17 72.58 71.65 69.90 62.97 55.83 46.03 59.99
195544.84 47.29 49.23 55.00 63.03 70.70 72.19 77.23 71.87 60.97 46.90 44.71 58.66
195645.19 40.86 51.77 63.63 69.74 67.63 80.13 75.71 72.03 59.03 50.57 46.00 60.19
195736.48 50.11 52.90 61.43 67.45 71.50 76.58 75.19 79.13 61.32 53.03 49.26 61.20
195849.87 54.61 54.77 60.47 73.35 73.60 83.48 83.26 74.03 67.23 51.67 49.10 64.62
195945.39 48.57 54.87 62.00 65.23 71.50 80.68 77.06 69.27 63.03 50.53 45.97 61.17
196039.39 49.48 53.35 60.13 62.42 74.43 82.84 75.55 73.23 64.16 53.40 44.84 61.10
196150.23 52.71 54.71 58.60 65.71 77.30 81.19 82.87 71.13 62.61 50.93 46.06 62.84
196245.32 50.29 53.52 62.37 61.10 72.67 78.87 76.68 74.80 63.65 53.87 48.52 61.80
196341.16 55.29 53.71 55.87 67.39 68.37 72.00 76.55 76.50 63.13 52.70 43.94 60.55
196446.68 49.52 51.97 56.03 63.26 68.43 75.87 75.19 70.33 64.48 47.63 42.65 59.34
196545.29 50.57 59.58 61.93 64.55 73.93 83.32 80.06 72.93 67.35 55.80 45.35 63.39
196645.55 50.25 56.26 61.00 69.61 74.07 77.26 80.35 75.43 63.39 53.47 48.90 62.96
196748.94 52.61 51.87 56.23 68.06 77.50 82.65 88.13 80.03 63.87 53.90 45.58 64.11
196844.65 57.76 57.03 57.83 65.65 72.70 81.26 75.68 71.37 60.77 53.53 42.16 61.70
196936.35 46.93 58.90 59.87 71.48 76.07 78.00 78.39 73.97 62.13 54.23 47.77 62.01
197046.10 54.86 57.23 57.37 68.90 77.87 82.48 81.45 72.07 63.68 54.20 45.77 63.50
197145.32 50.43 52.03 60.07 67.58 69.80 81.39 83.58 71.73 61.00 51.40 45.32 61.64
197244.81 50.52 58.26 57.40 71.35 74.63 83.94 85.03 72.77 64.13 55.00 43.06 63.41
197345.00 53.18 55.68 63.37 71.16 74.30 83.45 77.52 75.90 62.74 49.17 49.58 63.42
197443.74 48.36 55.26 59.30 64.42 75.60 77.90 80.35 81.93 67.84 54.70 49.65 63.25
197546.77 47.68 52.26 56.63 68.35 72.00 80.10 75.32 79.73 59.97 51.97 48.10 61.57
197647.90 49.24 53.03 60.07 67.23 70.80 78.52 74.29 74.57 64.77 56.07 45.42 61.83
197743.00 52.39 52.87 65.30 62.26 75.43 77.81 84.06 69.67 63.52 49.53 46.94 61.90
197844.48 51.39 59.32 58.80 64.45 75.57 80.00 77.77 69.00 66.90 46.87 41.61 61.35
197935.39 48.68 60.48 61.77 70.52 76.57 83.35 78.74 77.37 66.68 51.53 49.87 63.41
198040.81 49.45 53.52 64.53 66.13 68.47 80.00 77.58 75.13 66.84 54.83 50.16 62.29
198151.16 51.82 58.39 61.40 66.16 70.47 78.23 85.45 76.53 62.35 56.43 47.87 63.86
198244.06 50.25 57.90 58.63 68.81 76.67 77.97 79.58 73.20 63.77 51.33 47.23 62.45
198350.39 53.29 57.74 62.97 70.42 70.87 75.23 78.81 71.93 63.65 53.90 40.19 62.45
198448.58 52.66 59.10 57.93 64.81 71.20 80.90 81.06 73.77 59.77 52.47 42.77 62.09
198543.16 48.61 54.81 63.27 68.19 75.43 87.48 81.00 70.57 61.65 42.87 39.23 61.35
198649.26 50.86 60.48 59.53 67.29 77.40 75.42 86.19 70.67 67.13 53.73 46.35 63.69
198745.68 52.68 56.68 64.73 71.13 79.33 77.35 84.10 78.50 71.87 55.60 44.16 65.15
198844.35 53.62 56.68 60.63 65.84 73.03 80.90 80.90 76.93 66.81 52.73 47.55 63.33
198947.84 43.50 52.65 66.77 67.65 74.90 75.00 75.48 79.70 63.58 55.00 45.94 62.33
199048.97 48.71 58.84 64.40 65.65 73.10 83.77 82.10 78.03 62.45 54.43 39.97 63.37
199146.61 57.71 54.58 59.50 62.32 68.33 82.42 81.58 81.40 66.84 53.23 47.81 63.53
199250.48 56.21 63.74 64.30 76.61 79.47 81.68 82.94 73.50 64.52 52.03 44.03 65.79
199342.19 47.25 56.71 59.90 71.26 71.63 72.77 79.65 80.07 67.74 49.20 48.00 62.20
199450.10 47.61 60.94 63.70 71.29 73.70 84.61 82.10 79.40 64.42 48.30 47.55 64.48
199548.16 54.93 57.55 60.60 71.61 74.07 81.61 78.94 77.57 63.32 57.10 47.42 64.41
199645.06 49.24 55.87 61.70 62.68 73.47 84.74 82.19 71.23 61.81 51.17 46.74 62.16
199745.68 50.93 54.42 59.40 72.65 71.63 79.32 82.68 75.73 60.74 55.87 46.10 62.93
199847.77 51.79 56.19 62.10 62.68 72.33 80.74 82.68 79.07 62.13 53.43 45.52 63.04
199947.90 49.25 52.71 60.33 63.90 69.30 78.19 78.48 78.17 65.48 56.00 49.06 62.40
200045.13 50.24 53.90 64.13 65.97 76.37 78.39 78.65 73.90 63.23 49.50 45.52 62.08
200146.81 50.32 56.65 57.93 71.55 70.53 77.03 80.13 76.27 62.29 53.70 46.90 62.51
200245.61 52.46 52.13 60.93 64.58 74.97 81.71 81.35 76.53 63.74 55.17 48.48 63.14
200350.71 51.61 55.81 58.20 66.52 77.33 84.68 81.71 78.37 66.00 51.53 47.16 64.14
200442.61 51.72 60.42 67.33 68.45 75.77 83.42 82.26 71.23 64.03 51.97 48.19 63.95
200547.87 53.75 60.10 60.30 68.45 70.27 81.48 83.29 73.47 62.68 51.03 44.23 63.08
200650.13 49.29 53.68 62.87 70.19 76.23 82.48 81.23 77.67 63.48 52.47 45.26 63.75
200744.39 50.43 57.71 60.37 69.55 72.13 81.55 78.58 72.80 61.03 52.00 45.48 62.17
200843.94 52.41 52.94 56.67 67.48 71.77 80.77 80.00 77.33 62.23 55.10 42.77 61.95
200946.19 50.25 52.52 62.33 71.48 74.83 86.55 80.55 77.20 62.32 54.07 41.65 63.33
201049.65 54.14 56.84 59.13 63.23 68.77 79.03 79.52 73.00 63.45 50.33 46.65 61.98
201147.32 46.50 52.45 56.00 62.55 70.10 76.87 80.48 79.03 61.84 51.33 45.32 60.82
201247.32 49.03 52.10 61.50 67.94 69.70 78.19 83.26 78.67 64.39 54.07 47.06 62.77
201342.68 50.68 57.39 61.33 69.45 75.43 82.39 81.52 72.77 63.42 52.50 41.61 62.60
201447.71 46.00 58.00 62.63 71.06 73.37 83.84 84.77 78.73 68.03 51.93 49.19 64.61
201549.87 56.79 62.81 62.93 70.74 82.67 86.71 84.26 74.57 69.00 51.97 47.74 66.67
201647.23 56.45 57.58 68.50 72.29 76.77 79.10 84.55 74.13 62.29 57.97 42.26 64.93
201739.00 46.75 54.23 58.73 70.19 75.40 82.71 87.06 77.50 64.16 52.60 45.52 62.82
201850.84 49.04 55.77 62.13 73.61 76.20 87.52 84.29 75.90 66.06 54.80 49.06 65.44
201949.19 42.93 56.58 62.60 72.71 76.57 80.32 82.61 72.07 60.84 54.40 48.06 63.24
202050.16 51.86 54.61 64.93 69.74 73.27 81.45 83.06 77.30 65.00 52.77 49.45 64.47
202149.94 47.21 56.19 67.27 70.55 82.63 85.48 83.97 77.67 62.06 56.03 45.81 65.40
202248.10 51.21 57.55 57.90 65.26 74.37 85.71 87.32 80.87 71.94 49.93 43.84 64.50
202348.26 48.00 52.74 59.50 75.48 78.07 85.90 87.13 76.10 66.35 54.57 51.42 65.29
202444.77 52.90 58.29 62.61l-----z-----z-----z-----z-----z-----z-----z-----z51.99i
Period of Record Statistics
MEAN45.61 50.48 55.66 61.19 68.04 73.43 80.43 80.38 75.20 63.85 52.61 46.25 62.74
S.D.3.93 3.19 3.11 3.03 3.42 3.41 3.42 3.39 3.20 2.77 2.67 2.62 1.50
SKEW-1.07 -0.13 0.42 0.16 0.08 0.27 -0.23 0.00 -0.03 0.68 -0.57 -0.48 -0.04
MAX52.03 57.76 63.74 68.50 76.61 82.67 87.52 88.13 81.93 71.94 58.40 51.42 66.67
MIN32.77 40.86 49.23 55.00 61.10 66.17 72.00 71.65 68.80 57.61 42.87 39.23 58.66
YRS86 86 86 86 86 86 86 86 86 86 86 86 85