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
24/12 01:10 13.7 77 9.12 9.7 28 33 1014.3 0 20.7 26.8 42.0 110.3 105.6 363.5
24/12 01:00 13.8 78 9.29 10 28 41 1014.4 0 21.1 27.1 42.7 112.1 107.7 371.1
24/12 00:50 13.7 78 9.24 9.9 28 35 1014.3 0 21.0 27.0 42.5 111.6 107.2 369.2
24/12 00:40 13.6 78 9.18 9.8 32 35 1014.3 0 20.8 26.9 42.3 111.1 106.5 366.8
24/12 00:30 13.6 78 9.18 9.8 28 39 1014.5 0 20.8 27.0 42.3 111.2 106.5 366.9
24/12 00:20 13.6 78 9.18 9.8 33 41 1014.4 0 20.8 26.9 42.3 111.1 106.5 366.9
24/12 00:10 13.6 78 9.18 9.8 26 35 1014.4 0 20.8 26.9 42.3 111.1 106.5 366.9
24/12 00:00 13.6 78 9.18 9.8 28 37 1014.5 0 20.8 27.0 42.3 111.2 106.5 366.9
23/12 23:50 13.5 80 9.36 10.1 26 30 1014.5 0 21.2 27.3 43.1 113.3 109.1 375.9
23/12 23:40 13.7 79 9.36 10.1 24 30 1014.5 0 21.2 27.2 43.0 113.0 108.8 375.0
23/12 23:30 13.6 80 9.42 10.2 22 32 1014.6 0 21.4 27.4 43.3 113.8 109.8 378.3
23/12 23:20 13.4 81 9.42 10.2 24 28 1014.6 0 21.4 27.4 43.4 114.1 110.1 379.3
23/12 23:10 13.2 81 9.3 10 28 32 1014.7 0 21.1 27.3 43.0 113.1 108.7 374.6
23/12 23:00 12.9 80 9.02 9.5 24 35 1014.9 0 20.5 26.9 42.0 110.4 105.4 362.7
23/12 22:50 13.3 79 9.13 9.7 20 24 1015 0 20.7 27.0 42.3 111.1 106.3 366.1
23/12 22:40 13.1 79 9.02 9.5 30 33 1015 0 20.5 26.9 41.9 110.2 105.1 361.8
23/12 22:30 12.8 79 8.85 9.3 26 39 1015.1 0 20.2 26.7 41.4 108.7 103.2 355.1
23/12 22:20 12.5 77 8.47 8.6 26 30 1015.2 0 19.4 26.1 40.0 105.0 98.5 338.6
23/12 22:10 12.7 74 8.24 8.2 33 39 1015.2 0 18.9 25.7 39.0 102.2 95.2 327.0
23/12 22:00 13.4 73 8.49 8.7 30 44 1015.1 0 19.4 25.9 39.6 104.0 97.6 335.6
23/12 21:50 13.8 72 8.58 8.8 32 37 1015.1 0 19.5 25.9 39.8 104.4 98.3 338.1
23/12 21:40 13.7 71 8.41 8.5 24 32 1015.1 0 19.2 25.7 39.2 102.7 96.2 330.7
23/12 21:30 13.8 71 8.46 8.6 28 43 1015.2 0 19.3 25.7 39.3 103.2 96.7 332.6
23/12 21:20 13.8 70 8.34 8.4 26 32 1015.2 0 19.0 25.5 38.8 101.9 95.1 327.1
23/12 21:10 13.7 71 8.41 8.5 28 33 1015.2 0 19.2 25.7 39.2 102.8 96.2 330.7
23/12 21:00 13.9 70 8.39 8.5 28 50 1015.1 0 19.1 25.6 39.0 102.3 95.7 328.9
23/12 20:50 13.9 70 8.39 8.5 35 41 1015.2 0 19.1 25.6 39.0 102.3 95.7 328.9
23/12 20:40 13.8 70 8.34 8.4 24 28 1015.3 0 19.0 25.6 38.8 101.9 95.1 327.1
23/12 20:30 13.8 68 8.1 8 28 46 1015.4 0 18.5 25.2 37.9 99.4 92.0 316.1
23/12 20:20 13.8 67 7.98 7.8 35 41 1015.4 0 18.3 25.0 37.4 98.1 90.5 310.7
23/12 20:10 14.2 66 8.06 7.9 26 30 1015.5 0 18.4 25.0 37.6 98.4 91.0 312.8
23/12 20:00 14.1 64 7.77 7.4 28 41 1015.3 0 17.8 24.6 36.5 95.5 87.4 300.1
23/12 19:50 14.3 63 7.74 7.4 33 37 1015.4 0 17.7 24.5 36.3 95.0 86.8 298.0
23/12 19:40 14.8 63 7.98 7.8 24 32 1015.3 0 18.2 24.7 37.0 96.9 89.3 306.8
23/12 19:30 14.8 62 7.85 7.6 32 43 1015.3 0 17.9 24.5 36.5 95.5 87.7 301.0
23/12 19:20 14.6 64 8.01 7.9 26 32 1015.4 0 18.3 24.8 37.2 97.4 89.9 308.9
23/12 19:10 14.8 62 7.85 7.6 28 35 1015.5 0 17.9 24.5 36.5 95.5 87.7 301.0
23/12 19:00 14.7 61 7.68 7.3 32 43 1015.4 0 17.6 24.3 35.9 93.9 85.6 293.8
23/12 18:50 15 59 7.57 7.1 24 30 1015.3 0 17.3 24.0 35.3 92.4 83.9 287.9
23/12 18:40 15.2 61 7.92 7.7 26 33 1015.3 0 18.1 24.5 36.5 95.8 88.1 302.6
23/12 18:30 15 57 7.31 6.6 33 44 1015.2 0 16.8 23.6 34.3 89.8 80.7 276.5
23/12 18:20 15.8 56 7.54 7 32 37 1015.3 0 17.2 23.8 34.8 91.2 82.7 283.7
23/12 18:10 15.8 57 7.67 7.3 30 33 1015.2 0 17.5 23.9 35.3 92.5 84.3 289.3
23/12 18:00 16 57 7.77 7.5 30 43 1015.4 0 17.7 24.1 35.6 93.3 85.3 293.0
23/12 17:50 16.1 55 7.54 7.1 32 44 1015.4 0 17.2 23.7 34.7 90.9 82.4 282.7
23/12 17:40 15.9 57 7.72 7.4 35 41 1015.5 0 17.6 24.0 35.5 92.9 84.8 291.2
23/12 17:30 15.4 56 7.36 6.7 32 44 1015.5 0 16.9 23.6 34.3 89.9 80.9 277.3
23/12 17:20 15.9 58 7.85 7.7 28 35 1015.5 0 17.9 24.2 36.0 94.2 86.5 296.9
23/12 17:10 16.3 58 8.05 8 24 30 1015.6 0 18.3 24.4 36.6 95.8 88.5 304.2
23/12 17:00 16.7 60 8.53 8.9 30 46 1015.7 0 19.3 25.0 38.2 100.2 94.1 323.8
23/12 16:50 16.3 60 8.32 8.5 35 43 1015.7 0 18.9 24.8 37.6 98.6 91.9 316.1
23/12 16:40 15.7 62 8.3 8.4 32 37 1015.7 0 18.9 25.0 37.8 99.1 92.4 317.6
23/12 16:30 16.3 61 8.46 8.8 28 39 1015.7 0 19.2 25.1 38.1 100.0 93.7 322.3
23/12 16:20 16.4 62 8.65 9.1 30 35 1015.7 0 19.6 25.3 38.8 101.8 96.0 330.4
23/12 16:10 16.4 62 8.65 9.1 28 32 1015.7 0 19.6 25.3 38.8 101.8 96.0 330.4
23/12 16:00 15.8 61 8.21 8.3 26 35 1015.7 0 18.7 24.8 37.4 98.0 91.1 313.2
23/12 15:50 16.6 61 8.62 9.1 26 30 1015.7 0 19.5 25.2 38.6 101.3 95.4 328.3
23/12 15:40 16.6 61 8.62 9.1 24 28 1015.7 0 19.5 25.2 38.6 101.3 95.4 328.3
23/12 15:30 16.4 61 8.51 8.9 26 39 1015.8 0 19.3 25.1 38.3 100.4 94.2 324.2
23/12 15:20 16 60 8.17 8.2 26 30 1015.8 0 18.6 24.7 37.2 97.4 90.4 310.7
23/12 15:10 16.4 59 8.23 8.4 28 30 1015.9 0 18.7 24.7 37.2 97.5 90.7 311.8
23/12 15:00 16.6 59 8.33 8.6 24 33 1015.8 0 18.9 24.8 37.5 98.3 91.7 315.4
23/12 14:50 16 60 8.17 8.2 24 32 1015.8 0 18.6 24.7 37.2 97.4 90.4 310.7
23/12 14:40 16.3 61 8.46 8.8 26 30 1015.9 0 19.2 25.1 38.1 100.0 93.7 322.4
23/12 14:30 15.9 61 8.26 8.4 24 35 1015.9 0 18.8 24.9 37.6 98.5 91.6 315.1
23/12 14:20 15.4 62 8.15 8.2 28 32 1016 0 18.6 24.8 37.4 98.0 90.8 312.2
23/12 14:10 15.2 61 7.92 7.7 28 33 1016.1 0 18.1 24.5 36.6 95.8 88.2 302.8
23/12 14:00 16.4 61 8.51 8.9 24 35 1016.1 0 19.3 25.1 38.3 100.4 94.3 324.3
23/12 13:50 16.7 59 8.38 8.7 20 24 1016.2 0 19.0 24.8 37.7 98.7 92.3 317.3
23/12 13:40 16.4 60 8.37 8.6 32 35 1016.1 0 19.0 24.9 37.8 99.0 92.5 318.0
23/12 13:30 16 63 8.58 9 24 35 1016.3 0 19.4 25.3 38.8 101.7 95.6 329.1
23/12 13:20 15.4 63 8.28 8.4 20 26 1016.4 0 18.8 25.0 37.9 99.3 92.5 318.1
23/12 13:10 15.4 62 8.15 8.2 22 32 1016.5 0 18.6 24.8 37.4 98.0 90.9 312.3
23/12 13:00 16.1 60 8.22 8.3 28 37 1016.5 0 18.7 24.8 37.3 97.9 91.0 312.7
23/12 12:50 16 61 8.31 8.5 28 32 1016.4 0 18.9 24.9 37.7 98.9 92.2 317.1
23/12 12:40 15.9 60 8.13 8.2 24 28 1016.3 0 18.5 24.7 37.1 97.2 90.0 309.4
23/12 12:30 15.8 59 7.94 7.8 24 39 1016.4 0 18.1 24.4 36.4 95.4 87.8 301.5
23/12 12:20 16 60 8.17 8.2 32 37 1016.4 0 18.6 24.7 37.2 97.5 90.4 310.8
23/12 12:10 15.9 60 8.13 8.2 28 33 1016.4 0 18.5 24.7 37.1 97.2 90.0 309.5
23/12 12:00 15.7 60 8.03 8 28 43 1016.4 0 18.3 24.6 36.8 96.4 89.0 305.8
23/12 11:50 15.7 60 8.03 8 30 35 1016.3 0 18.3 24.6 36.8 96.4 89.0 305.8
23/12 11:40 16.1 63 8.64 9.1 26 32 1016.4 0 19.6 25.4 39.0 102.2 96.3 331.4
23/12 11:30 15.5 60 7.93 7.8 28 37 1016.4 0 18.1 24.5 36.5 95.6 88.0 302.1
23/12 11:20 15.5 61 8.06 8 28 33 1016.4 0 18.4 24.7 37.0 96.9 89.6 307.9
23/12 11:10 15.3 60 7.84 7.6 30 39 1016.4 0 17.9 24.4 36.2 94.9 87.1 298.9
23/12 11:00 15.3 58 7.57 7.1 28 37 1016.4 0 17.3 24.0 35.2 92.2 83.7 287.1
23/12 10:50 15.2 60 7.79 7.5 30 32 1016.4 0 17.8 24.3 36.1 94.5 86.5 297.1
23/12 10:40 15 61 7.82 7.5 32 39 1016.3 0 17.9 24.4 36.3 95.1 87.1 299.1
23/12 10:30 15.1 62 8 7.9 26 35 1016.3 0 18.2 24.7 36.9 96.8 89.3 306.8
23/12 10:20 15 63 8.08 8 24 32 1016.3 0 18.4 24.8 37.3 97.7 90.4 310.7
23/12 10:10 15 62 7.95 7.8 30 33 1016.2 0 18.1 24.6 36.8 96.4 88.8 304.9
23/12 10:00 14.2 65 7.94 7.7 28 37 1016.3 0 18.2 24.8 37.1 97.3 89.6 307.6
23/12 09:50 13.7 65 7.7 7.2 28 33 1016.2 0 17.7 24.6 36.4 95.4 87.0 298.7
23/12 09:40 14.7 67 8.44 8.6 20 24 1016.1 0 19.2 25.5 38.8 101.9 95.4 328.1
23/12 09:30 13.6 65 7.65 7.2 24 35 1015.9 0 17.6 24.5 36.3 94.9 86.5 296.7
23/12 09:20 14.1 65 7.89 7.6 26 30 1015.8 0 18.1 24.8 37.0 96.8 89.0 305.6
23/12 09:10 13.5 65 7.6 7.1 19 22 1015.6 0 17.5 24.5 36.1 94.5 85.9 294.8
23/12 09:00 14.1 63 7.65 7.2 26 33 1015.5 0 17.5 24.4 36.0 94.3 85.9 294.8
23/12 08:50 13.5 62 7.25 6.4 24 32 1015.5 1.6 16.7 23.9 34.7 90.9 81.5 279.2
23/12 08:40 13.1 62 7.08 6 24 33 1015.3 1.6 16.4 23.8 34.3 89.6 79.7 273.0

Last Refresh: 24-Dec-2025 00:55:53

Bureau of Meteorology