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
14/09 18:20 13.8 78 9.29 10 24 32 1020.4 0.2 21.1 27.3 42.9 112.7 108.3 372.9
14/09 18:10 13.8 78 9.29 10 26 35 1020.3 0.2 21.1 27.3 42.9 112.7 108.3 372.9
14/09 18:00 13.7 79 9.36 10.1 22 33 1020.2 0.2 21.2 27.4 43.3 113.6 109.3 376.7
14/09 17:50 13.8 79 9.41 10.2 24 33 1020.2 0.2 21.3 27.5 43.4 114.0 109.9 378.6
14/09 17:40 13.9 79 9.47 10.3 24 35 1020.1 0.2 21.4 27.6 43.6 114.5 110.5 380.9
14/09 17:30 13.9 77 9.23 9.9 24 32 1020 0.2 20.9 27.2 42.6 111.9 107.3 369.5
14/09 17:20 14.2 74 9.04 9.6 22 33 1019.9 0.2 20.5 26.7 41.7 109.4 104.3 359.1
14/09 17:10 14.2 74 9.04 9.6 22 32 1019.8 0.2 20.5 26.7 41.7 109.4 104.3 359.1
14/09 17:00 14.1 76 9.22 9.9 22 32 1019.7 0.2 20.9 27.1 42.5 111.4 106.8 368.0
14/09 16:50 14 79 9.53 10.4 24 33 1019.8 0.2 21.6 27.6 43.8 115.0 111.2 383.2
14/09 16:40 13.9 83 9.95 11.1 24 33 1019.8 0.2 22.5 28.4 45.6 119.9 117.1 404.0
14/09 16:30 13.7 84 9.95 11 24 35 1019.8 0.2 22.5 28.4 45.7 120.2 117.4 405.0
14/09 16:20 13.7 85 10.07 11.2 28 39 1019.8 0.2 22.7 28.6 46.2 121.5 119.1 410.9
14/09 16:10 13.9 86 10.31 11.6 24 33 1019.8 0.2 23.2 29.0 47.1 124.0 122.2 421.6
14/09 16:00 13.4 89 10.35 11.6 28 48 1019.8 0.2 23.4 29.2 47.6 125.2 123.5 426.3
14/09 15:50 13.6 83 9.77 10.8 32 43 1019.6 0.2 22.1 28.1 45.0 118.3 115.1 396.7
14/09 15:40 14.1 81 9.83 10.9 33 44 1019.3 0.2 22.2 28.1 45.0 118.2 115.1 397.0
14/09 15:30 14.2 79 9.65 10.6 30 43 1019.3 0.2 21.8 27.7 44.2 116.0 112.5 387.8
14/09 15:20 14.4 77 9.52 10.4 28 43 1019.5 0.2 21.5 27.5 43.5 114.3 110.5 380.7
14/09 15:10 14.4 77 9.52 10.4 30 41 1019.5 0.2 21.5 27.5 43.5 114.3 110.5 380.7
14/09 15:00 14.2 79 9.65 10.6 32 41 1019.5 0.2 21.8 27.7 44.2 116.0 112.5 387.9
14/09 14:50 14.3 80 9.83 10.9 26 41 1019.5 0.2 22.2 28.0 44.9 117.9 114.8 396.0
14/09 14:40 13.8 83 9.89 11 32 43 1019.4 0.2 22.3 28.3 45.4 119.3 116.4 401.5
14/09 14:30 13.9 80 9.59 10.5 30 41 1019.4 0.2 21.7 27.7 44.1 115.8 112.1 386.5
14/09 14:20 13.8 86 10.25 11.5 30 41 1019.6 0.2 23.1 28.9 46.9 123.4 121.5 419.1
14/09 14:10 13 89 10.09 11.2 33 50 1019.5 0.2 22.8 28.9 46.7 122.8 120.5 415.5
14/09 14:00 14 79 9.53 10.4 32 43 1019.4 0.2 21.6 27.6 43.8 115.0 111.2 383.1
14/09 13:50 14.1 81 9.83 10.9 33 44 1019.5 0.2 22.2 28.1 45.0 118.2 115.1 397.0
14/09 13:40 14.2 81 9.89 11 33 46 1019.5 0.2 22.3 28.1 45.2 118.7 115.8 399.4
14/09 13:30 13.9 84 10.07 11.2 32 44 1019.4 0.2 22.7 28.5 46.1 121.2 118.8 409.7
14/09 13:20 13.9 84 10.07 11.2 33 44 1019.6 0.2 22.7 28.6 46.1 121.2 118.8 409.8
14/09 13:10 14.1 81 9.83 10.9 32 43 1019.6 0.2 22.2 28.1 45.0 118.2 115.2 397.1
14/09 13:00 14.1 82 9.95 11.1 32 44 1019.8 0.2 22.5 28.3 45.5 119.6 116.8 402.9
14/09 12:50 13.8 83 9.89 11 35 43 1019.8 0.2 22.3 28.3 45.4 119.4 116.5 401.6
14/09 12:40 14.2 92 11.23 12.9 28 43 1020 0.2 25.2 30.5 51.0 134.2 134.8 465.8
14/09 12:30 13.5 90 10.53 11.9 32 44 1020 0.2 23.7 29.5 48.4 127.2 126.0 434.8
14/09 12:20 14.1 89 10.8 12.3 30 41 1020 0.2 24.3 29.8 49.2 129.3 128.8 444.8
14/09 12:10 14.6 83 10.39 11.7 30 39 1019.9 0.2 23.4 28.9 47.1 123.8 122.2 421.7
14/09 12:00 14.4 83 10.26 11.6 32 39 1019.9 0.2 23.1 28.7 46.6 122.6 120.7 416.5
14/09 11:50 14.8 79 10.01 11.2 30 39 1019.8 0.2 22.5 28.2 45.3 119.2 116.6 402.2
14/09 11:40 15.3 81 10.58 12.1 30 43 1019.8 0.2 23.7 29.0 47.5 124.8 123.7 427.1
14/09 11:30 14.9 78 9.94 11.1 30 41 1019.8 0.2 22.4 28.0 45.0 118.2 115.5 398.3
14/09 11:20 14.9 84 10.71 12.2 32 43 1019.9 0.2 24.0 29.3 48.3 126.9 126.2 435.7
14/09 11:10 14.8 78 9.88 11 30 43 1019.8 0.2 22.3 27.9 44.8 117.7 114.8 396.0
14/09 11:00 14.7 85 10.7 12.2 28 37 1019.8 0.2 24.0 29.4 48.3 127.1 126.4 436.3
14/09 10:50 14.3 84 10.32 11.6 26 41 1019.7 0.2 23.2 28.9 46.9 123.4 121.7 419.9
14/09 10:40 14.1 87 10.56 12 26 39 1019.7 0.2 23.8 29.3 48.1 126.5 125.4 432.8
14/09 10:30 14.3 89 10.93 12.5 26 39 1019.8 0.2 24.5 29.9 49.6 130.5 130.3 450.1
14/09 10:20 14 92 11.1 12.7 24 32 1019.8 0.2 24.9 30.3 50.5 133.0 133.3 460.4
14/09 10:10 13 93 10.55 11.9 28 39 1019.9 0.2 23.8 29.7 48.7 128.2 127.1 438.6
14/09 10:00 13.4 92 10.7 12.1 24 32 1019.9 0.2 24.1 29.8 49.2 129.3 128.6 443.8
14/09 09:50 13.8 93 11.08 12.7 22 32 1019.8 0.2 24.9 30.4 50.6 133.1 133.3 460.5
14/09 09:40 13.1 94 10.73 12.2 20 32 1019.7 0.2 24.2 30.0 49.5 130.1 129.5 447.0
14/09 09:30 13.1 94 10.73 12.2 22 30 1019.7 0.2 24.2 30.0 49.5 130.1 129.5 447.0
14/09 09:20 13.1 96 10.96 12.5 22 28 1019.8 0.2 24.7 30.4 50.5 132.9 132.8 458.7
14/09 09:10 12.8 94 10.53 11.9 19 30 1019.8 0 23.8 29.7 48.8 128.3 127.1 438.7
14/09 09:00 12.9 93 10.48 11.8 19 26 1019.7 0 23.7 29.6 48.5 127.5 126.2 435.5
14/09 08:50 13 92 10.43 11.7 17 24 1019.6 0.6 23.5 29.5 48.2 126.8 125.3 432.4
14/09 08:40 12.9 91 10.26 11.5 19 26 1019.5 0.6 23.2 29.2 47.5 125.0 123.0 424.5
14/09 08:30 13.1 91 10.38 11.7 19 24 1019.4 0.6 23.4 29.3 47.9 126.0 124.4 429.3
14/09 08:20 12.8 92 10.31 11.5 19 24 1019.3 0.6 23.3 29.3 47.8 125.7 123.9 427.5
14/09 08:10 12.7 91 10.13 11.3 20 24 1019.3 0.6 22.9 29.0 47.1 123.8 121.5 419.0
14/09 08:00 12.8 88 9.86 10.9 17 22 1019.2 0.6 22.3 28.5 45.8 120.5 117.5 405.1
14/09 07:50 12.5 88 9.68 10.6 19 24 1019 0.6 22.0 28.3 45.2 118.9 115.4 397.8
14/09 07:40 12.3 90 9.77 10.7 17 22 1018.9 0.6 22.2 28.5 45.7 120.2 117.0 403.2
14/09 07:30 11.9 89 9.43 10.1 19 28 1018.8 0.6 21.5 28.1 44.5 116.9 112.8 388.5
14/09 07:20 11.9 95 10.06 11.1 17 26 1018.7 0.6 22.8 29.2 47.2 124.2 121.7 419.7
14/09 07:10 11.9 94 9.96 11 19 28 1018.6 0.6 22.6 29.0 46.8 123.0 120.3 414.7
14/09 07:00 11.7 93 9.73 10.6 17 24 1018.4 0.6 22.1 28.6 45.9 120.6 117.3 404.2
14/09 06:50 11.7 95 9.94 10.9 19 32 1018.4 0.6 22.6 29.0 46.8 123.0 120.3 414.7
14/09 06:40 11.7 96 10.04 11.1 17 26 1018.3 0.6 22.8 29.2 47.2 124.2 121.7 419.7
14/09 06:30 11.7 96 10.04 11.1 15 22 1018.3 0.6 22.8 29.2 47.2 124.2 121.7 419.7
14/09 06:20 11.7 96 10.04 11.1 17 26 1018.2 0.6 22.8 29.2 47.2 124.2 121.7 419.6
14/09 06:10 11.7 95 9.94 10.9 13 17 1018.1 0.4 22.6 29.0 46.8 123.0 120.3 414.6
14/09 06:00 11.7 94 9.83 10.8 17 20 1018 0.2 22.3 28.8 46.3 121.7 118.7 409.1
14/09 05:50 11.7 93 9.73 10.6 20 28 1017.9 0.2 22.1 28.6 45.9 120.6 117.2 404.0
14/09 05:40 11.7 96 10.04 11.1 22 32 1017.9 0.2 22.8 29.2 47.2 124.2 121.7 419.5
14/09 05:30 12 95 10.13 11.2 17 26 1017.7 0.2 23.0 29.2 47.4 124.7 122.5 422.3
14/09 05:20 12 94 10.02 11.1 15 22 1017.7 0.2 22.7 29.0 46.9 123.4 120.9 416.8
14/09 05:10 12 94 10.02 11.1 15 20 1017.6 0 22.7 29.0 46.9 123.4 120.9 416.8
14/09 05:00 11.8 94 9.89 10.9 17 24 1017.4 0 22.5 28.8 46.5 122.2 119.3 411.3
14/09 04:50 11.7 94 9.83 10.8 17 24 1017.4 0 22.3 28.8 46.3 121.7 118.6 408.9
14/09 04:40 11.9 94 9.96 11 20 28 1017.3 0 22.6 28.9 46.7 122.8 120.1 414.2
14/09 04:30 12 95 10.13 11.2 19 28 1017.2 0 23.0 29.2 47.4 124.6 122.4 422.2
14/09 04:20 12.1 95 10.19 11.3 19 26 1017.2 0 23.1 29.3 47.6 125.2 123.1 424.6
14/09 04:10 12.1 95 10.19 11.3 19 26 1017.1 0 23.1 29.3 47.6 125.2 123.1 424.6
14/09 04:00 12.2 95 10.25 11.4 15 20 1017 0 23.2 29.3 47.8 125.7 123.8 427.0
14/09 03:50 12.1 95 10.19 11.3 15 22 1017 0 23.1 29.3 47.6 125.2 123.1 424.6
14/09 03:40 11.8 97 10.21 11.3 13 20 1017 0 23.1 29.4 47.9 125.9 123.9 427.2
14/09 03:30 11.6 97 10.08 11.1 11 15 1016.9 0 22.9 29.2 47.4 124.7 122.3 421.8
14/09 03:20 11.4 97 9.96 10.9 13 17 1016.9 0 22.6 29.1 47.0 123.6 120.9 416.8
14/09 03:10 11.1 97 9.77 10.6 11 15 1016.8 0 22.2 28.8 46.3 121.8 118.6 408.9
14/09 03:00 11 97 9.71 10.5 9 13 1016.8 0 22.1 28.8 46.1 121.3 117.9 406.4
14/09 02:50 11.1 97 9.77 10.6 11 13 1017 0 22.2 28.9 46.4 121.9 118.7 408.9
14/09 02:40 10.9 97 9.65 10.4 11 13 1017.1 0 22.0 28.7 46.0 120.8 117.3 404.0
14/09 02:30 10.9 97 9.65 10.4 11 13 1017 0 22.0 28.7 45.9 120.8 117.2 404.0
14/09 02:20 11.4 97 9.96 10.9 11 13 1017.2 0 22.6 29.1 47.0 123.6 120.9 416.9
14/09 02:10 11.4 97 9.96 10.9 11 13 1017.3 0 22.6 29.1 47.0 123.6 120.9 416.9
14/09 02:00 11.5 97 10.02 11 11 15 1017.2 0 22.8 29.2 47.2 124.2 121.6 419.4
14/09 01:50 11.4 98 10.06 11.1 11 15 1017.5 0 22.8 29.3 47.5 124.8 122.4 422.0

Last Refresh: 14-Sep-2026 18:04:23

Bureau of Meteorology