Station: Portland Airport  

  Atmospheric Gas Attenuation - ITU Rec 676-11   ----------------- dB/100km -----------------
Date Time Temp RH % AH g/m3 Dew Point Wind Direction Speed kph Gust kph Barometer mB Rainfall Since 9am 24GHz 47GHz 76GHz 122GHz 134GHz 241GHz
08/05 12:30 13.5 97 11.35 13 24 35 1026.7 1 25.5 31.2 52.3 137.6 138.5 478.6
08/05 12:20 13.1 95 10.84 12.3 32 39 1026.9 1 24.4 30.5 50.3 132.3 131.8 455.0
08/05 12:10 13.9 94 11.27 13 22 30 1026.9 0.8 25.3 30.9 51.7 136.0 136.7 472.1
08/05 12:00 13.4 95 11.04 12.6 22 30 1026.9 0.8 24.8 30.7 51.0 134.2 134.2 463.4
08/05 11:50 12.9 92 10.37 11.6 22 28 1027.1 0.8 23.4 29.7 48.4 127.1 125.4 432.5
08/05 11:40 13.2 96 11.02 12.6 22 32 1027 0.8 24.8 30.8 51.1 134.3 134.3 463.7
08/05 11:30 12.9 95 10.71 12.1 28 46 1027.1 0.6 24.1 30.3 49.9 131.1 130.3 449.7
08/05 11:20 13.6 95 11.18 12.8 26 30 1027 0.6 25.1 30.9 51.5 135.5 135.9 469.4
08/05 11:10 13.1 96 10.96 12.5 24 28 1027 0.6 24.7 30.7 50.9 133.7 133.6 461.2
08/05 11:00 13 96 10.89 12.4 26 41 1027 0.6 24.5 30.6 50.6 133.1 132.7 458.2
08/05 10:50 13 94 10.66 12.1 22 26 1026.9 0.6 24.0 30.2 49.6 130.4 129.4 446.5
08/05 10:40 12.6 94 10.4 11.7 28 46 1026.8 0.6 23.5 29.8 48.7 128.0 126.3 435.6
08/05 10:30 13.3 93 10.75 12.2 28 39 1026.6 0.2 24.2 30.2 49.8 130.9 130.1 449.2
08/05 10:20 13.4 92 10.7 12.1 26 32 1026.5 0.2 24.1 30.1 49.5 130.1 129.2 446.1
08/05 10:10 13.2 95 10.91 12.4 20 24 1026.4 0.2 24.6 30.5 50.5 132.9 132.6 457.8
08/05 10:00 13 93 10.55 11.9 24 33 1026.3 0.2 23.8 30.0 49.1 129.0 127.7 440.7
08/05 09:50 12.6 92 10.18 11.3 30 35 1026.2 0.2 23.0 29.4 47.7 125.3 123.0 424.4
08/05 09:40 13.1 93 10.61 12 24 28 1026.1 0.2 23.9 30.0 49.3 129.5 128.4 443.1
08/05 09:30 12.8 95 10.64 12 24 35 1026 0.2 24.0 30.2 49.6 130.3 129.3 446.3
08/05 09:20 12.7 96 10.69 12.1 22 28 1026.1 0.2 24.1 30.3 49.9 131.1 130.2 449.5
08/05 09:10 12.4 95 10.38 11.6 30 33 1026.2 0.2 23.5 29.9 48.7 128.0 126.2 435.5
08/05 09:00 12.7 95 10.58 11.9 26 35 1025.9 0 23.9 30.1 49.4 129.8 128.6 443.8
08/05 08:50 12.5 94 10.34 11.6 30 37 1026.1 2.2 23.4 29.7 48.5 127.3 125.5 432.9
08/05 08:40 12.5 94 10.34 11.6 22 24 1026.1 2.2 23.4 29.7 48.5 127.3 125.5 432.9
08/05 08:30 12.4 94 10.27 11.5 24 35 1026 2.2 23.2 29.7 48.2 126.7 124.6 429.9
08/05 08:20 12.2 97 10.47 11.7 26 30 1026 2.2 23.7 30.1 49.2 129.3 127.9 441.2
08/05 08:10 12.3 94 10.21 11.4 33 39 1025.9 2.2 23.1 29.6 48.0 126.1 123.9 427.4
08/05 08:00 12.3 95 10.32 11.5 28 39 1025.7 2 23.3 29.8 48.5 127.4 125.5 432.9
08/05 07:50 12.1 95 10.19 11.3 20 30 1025.6 2 23.1 29.6 48.0 126.2 123.9 427.4
08/05 07:40 12.1 96 10.3 11.5 26 30 1025.5 1.8 23.3 29.8 48.5 127.5 125.5 432.9
08/05 07:30 12.1 95 10.19 11.3 26 35 1025.2 1.8 23.1 29.6 48.0 126.1 123.9 427.3
08/05 07:20 11.9 94 9.96 11 30 35 1025.1 1.6 22.6 29.2 47.1 123.7 120.9 416.8
08/05 07:10 12.2 92 9.93 10.9 22 28 1024.9 1.6 22.5 29.1 46.8 122.9 120.0 413.6
08/05 07:00 12.1 94 10.08 11.2 28 39 1024.9 1.6 22.8 29.4 47.5 124.8 122.3 421.7
08/05 06:50 12.3 92 9.99 11 28 32 1024.6 1.4 22.6 29.1 47.0 123.4 120.6 416.0
08/05 06:40 12.2 91 9.82 10.8 32 39 1024.6 1.4 22.3 28.9 46.3 121.6 118.4 408.0
08/05 06:30 12.1 91 9.76 10.7 28 39 1024.5 1.4 22.1 28.8 46.1 121.0 117.7 405.5
08/05 06:20 12.2 92 9.93 10.9 24 30 1024.5 1.4 22.5 29.1 46.8 122.9 119.9 413.5
08/05 06:10 12.3 88 9.56 10.4 26 28 1024.3 1.4 21.7 28.4 45.1 118.4 114.5 394.6
08/05 06:00 12.1 90 9.65 10.5 32 44 1024.3 1.4 21.9 28.6 45.6 119.8 116.1 400.0
08/05 05:50 12 91 9.7 10.6 28 33 1024.3 1.4 22.0 28.7 45.9 120.5 117.0 403.0
08/05 05:40 12.1 91 9.76 10.7 32 37 1024.2 1.4 22.1 28.8 46.1 121.0 117.6 405.4
08/05 05:30 12.1 92 9.87 10.8 30 44 1024.2 1.4 22.4 29.0 46.5 122.3 119.2 410.9
08/05 05:20 12.1 91 9.76 10.7 28 33 1024.1 1.4 22.1 28.8 46.1 121.0 117.6 405.4
08/05 05:10 12.4 86 9.4 10.1 35 46 1024.1 1.4 21.4 28.1 44.3 116.4 112.1 386.2
08/05 05:00 12.3 90 9.77 10.7 28 39 1024 1.4 22.2 28.7 46.0 120.8 117.5 404.8
08/05 04:50 12.5 88 9.68 10.6 30 44 1023.8 1.4 22.0 28.5 45.5 119.4 115.9 399.3
08/05 04:40 12.3 89 9.67 10.5 37 44 1023.8 1.4 21.9 28.6 45.5 119.6 116.0 399.8
08/05 04:30 12.1 93 9.97 11 35 50 1023.9 1.4 22.6 29.1 47.0 123.4 120.6 415.8
08/05 04:20 12.5 90 9.9 10.9 28 33 1023.7 1.4 22.4 28.9 46.4 121.9 119.0 410.1
08/05 04:10 12.7 86 9.57 10.4 37 46 1023.7 1.4 21.7 28.2 44.9 117.9 114.0 392.8
08/05 04:00 12.4 89 9.73 10.6 33 48 1023.7 1.4 22.1 28.6 45.7 120.1 116.7 402.2
08/05 03:50 12.3 90 9.77 10.7 33 46 1023.8 1.4 22.2 28.7 46.0 120.8 117.4 404.8
08/05 03:40 12.2 89 9.61 10.4 32 37 1023.7 1.4 21.8 28.5 45.3 119.1 115.3 397.3
08/05 03:30 12.3 91 9.88 10.9 28 46 1023.7 1.4 22.4 28.9 46.4 122.0 119.0 410.2
08/05 03:20 12.3 91 9.88 10.9 28 35 1023.8 1.4 22.4 28.9 46.5 122.0 119.0 410.2
08/05 03:10 12.3 91 9.88 10.9 39 44 1023.8 1.4 22.4 28.9 46.5 122.0 119.0 410.2
08/05 03:00 12 95 10.13 11.2 35 50 1023.8 1.4 23.0 29.5 47.7 125.4 123.1 424.4
08/05 02:50 12.4 93 10.16 11.3 33 43 1023.7 1.4 23.0 29.4 47.6 125.1 122.8 423.6
08/05 02:40 12.5 88 9.68 10.6 30 43 1023.7 1.2 22.0 28.5 45.5 119.4 115.9 399.3
08/05 02:30 12.6 87 9.63 10.5 32 46 1023.8 1.2 21.8 28.4 45.2 118.7 115.0 396.3
08/05 02:20 12.6 87 9.63 10.5 33 39 1023.9 1.2 21.8 28.4 45.2 118.7 115.0 396.3
08/05 02:10 12.4 90 9.83 10.8 35 43 1023.8 1.2 22.3 28.8 46.2 121.3 118.1 407.2
08/05 02:00 12.1 93 9.97 11 35 54 1023.8 1.2 22.6 29.1 47.0 123.4 120.6 415.8
08/05 01:50 12.7 88 9.8 10.8 39 43 1023.7 1.2 22.2 28.6 45.9 120.5 117.2 404.1
08/05 01:40 12.8 87 9.75 10.7 37 43 1023.7 1.2 22.1 28.5 45.6 119.7 116.4 401.1
08/05 01:30 12.6 89 9.85 10.8 32 43 1023.7 1.2 22.3 28.8 46.1 121.2 118.1 407.1
08/05 01:20 12.3 90 9.77 10.7 26 30 1023.8 1.2 22.2 28.7 46.0 120.8 117.4 404.8
08/05 01:10 12.4 92 10.05 11.1 30 41 1023.9 1.2 22.8 29.2 47.1 123.9 121.3 418.2
08/05 01:00 12.5 90 9.9 10.9 35 46 1024.1 1.2 22.4 28.9 46.4 122.0 119.0 410.3
08/05 00:50 12.5 95 10.45 11.7 33 41 1024.2 1.2 23.6 29.9 48.8 128.4 126.9 437.8
08/05 00:40 12.3 94 10.21 11.4 33 43 1024.2 1.2 23.1 29.5 47.9 125.9 123.8 426.9
08/05 00:30 12.6 93 10.29 11.5 35 50 1024.1 1.2 23.3 29.5 48.1 126.3 124.4 429.2
08/05 00:20 12.5 93 10.23 11.4 33 41 1024.2 1 23.1 29.5 47.9 125.8 123.7 426.7
08/05 00:10 12.6 94 10.4 11.7 35 44 1024.1 1 23.5 29.7 48.6 127.6 126.0 434.7
08/05 00:00 12.4 94 10.27 11.5 35 48 1024.2 1 23.2 29.6 48.1 126.5 124.5 429.3
07/05 23:50 12.5 96 10.56 11.9 33 43 1024.3 1 23.8 30.1 49.3 129.7 128.5 443.4
07/05 23:40 12.4 96 10.49 11.8 32 39 1024.3 1 23.7 30.0 49.1 129.0 127.7 440.5
07/05 23:30 12.3 93 10.1 11.2 30 41 1024.6 0.8 22.9 29.3 47.4 124.7 122.2 421.5
07/05 23:20 12.3 95 10.32 11.5 32 39 1025 0.8 23.3 29.7 48.4 127.3 125.4 432.7
07/05 23:10 12.3 94 10.21 11.4 32 35 1025.2 0.8 23.1 29.6 48.0 126.0 123.9 427.2
07/05 23:00 12.4 93 10.16 11.3 35 50 1025.2 0.6 23.0 29.4 47.7 125.3 123.0 424.1
07/05 22:50 12.5 88 9.68 10.6 37 44 1024.9 0.6 22.0 28.5 45.5 119.5 116.0 399.6
07/05 22:40 12.4 91 9.94 11 26 33 1024.8 0.6 22.5 29.0 46.7 122.7 119.8 413.0
07/05 22:30 12.5 92 10.12 11.2 30 41 1024.7 0.6 22.9 29.3 47.4 124.6 122.2 421.4
07/05 22:20 12.5 91 10.01 11.1 30 35 1024.9 0.6 22.7 29.1 46.9 123.3 120.6 416.0
07/05 22:10 12.4 91 9.94 11 32 37 1025 0.6 22.5 29.0 46.7 122.7 119.8 413.1
07/05 22:00 12.2 94 10.14 11.3 35 50 1025 0.6 23.0 29.5 47.7 125.4 123.0 424.2
07/05 21:50 12.2 93 10.04 11.1 35 44 1024.8 0.4 22.7 29.3 47.3 124.2 121.5 419.1
07/05 21:40 12.3 94 10.21 11.4 30 39 1024.7 0.4 23.1 29.5 47.9 126.0 123.8 427.0
07/05 21:30 12.2 91 9.82 10.8 35 52 1024.6 0.4 22.3 28.9 46.3 121.6 118.4 408.0
07/05 21:20 12.1 93 9.97 11 32 35 1024.6 0.2 22.6 29.2 47.0 123.5 120.7 416.0
07/05 21:10 12.6 87 9.63 10.5 35 39 1024.5 0.2 21.8 28.4 45.2 118.8 115.1 396.5
07/05 21:00 12.8 85 9.52 10.3 35 54 1024.5 0.2 21.6 28.2 44.7 117.2 113.2 390.1
07/05 20:50 13.1 79 9.02 9.5 33 44 1024.6 0.2 20.5 27.2 42.4 111.2 105.9 364.6
07/05 20:40 12.9 82 9.24 9.9 33 43 1024.5 0.2 21.0 27.7 43.4 113.9 109.2 376.1
07/05 20:30 12.7 82 9.13 9.7 32 46 1024.5 0.2 20.8 27.5 43.1 113.0 108.0 371.7
07/05 20:20 12.8 80 8.96 9.4 33 44 1024.6 0.2 20.4 27.2 42.3 111.0 105.5 363.1
07/05 20:10 12.5 81 8.91 9.3 33 46 1024.7 0.2 20.3 27.2 42.3 110.8 105.2 362.1
07/05 20:00 12.7 78 8.68 9 35 46 1024.7 0.2 19.8 26.8 41.2 108.0 101.8 350.3

Last Refresh: 08-May-2026 12:07:36

Bureau of Meteorology