Station: Portable Btsj (Dfes)  

  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
18/07 20:40 12.1 92 9.87 10.9 7 15 1013.1 0.8 22.4 28.5 46.0 121.0 118.2 407.3
18/07 20:30 12 92 9.81 10.8 6 6 1013.1 0.8 22.3 28.5 45.8 120.5 117.5 404.9
18/07 20:20 12 92 9.81 10.8 6 7 1013.1 0.8 22.3 28.5 45.8 120.5 117.5 404.9
18/07 20:10 12.1 92 9.87 10.8 7 7 1013.1 0.8 22.4 28.5 46.0 121.0 118.2 407.3
18/07 20:00 12.2 92 9.93 10.9 6 7 1013.1 0.8 22.5 28.6 46.2 121.5 118.8 409.8
18/07 19:50 12.3 91 9.88 10.9 6 7 1013.1 0.8 22.4 28.5 45.9 120.8 118.0 406.8
18/07 19:40 12.5 90 9.9 10.9 4 6 1013.1 0.8 22.4 28.5 45.9 120.7 118.0 406.7
18/07 19:30 12.6 88 9.74 10.7 4 6 1013.1 0.8 22.1 28.2 45.2 118.7 115.6 398.3
18/07 19:20 12.7 86 9.57 10.4 4 7 1013.1 0.8 21.7 27.8 44.4 116.7 113.0 389.6
18/07 19:10 12.7 83 9.24 10 6 9 1013.1 0.4 21.0 27.3 43.0 113.0 108.5 373.6
18/07 19:00 12.7 83 9.24 10 2 4 1013.1 0.4 21.0 27.3 43.0 113.0 108.5 373.6
18/07 18:50 12.6 83 9.18 9.9 0 0 1013.1 0.4 20.9 27.2 42.8 112.4 107.8 371.2
18/07 18:40 12.6 82 9.07 9.6 0 0 1013.1 0.4 20.7 27.0 42.3 111.2 106.3 365.9
18/07 18:30 12.8 82 9.19 9.9 0 0 1013.1 0.4 20.9 27.2 42.7 112.3 107.7 370.7
18/07 18:20 12.9 81 9.13 9.7 0 0 1013.1 0.4 20.8 27.0 42.4 111.4 106.7 367.4
18/07 18:10 13 80 9.07 9.6 0 2 1013.1 0.4 20.6 26.9 42.1 110.6 105.7 364.1
18/07 18:00 13.1 78 8.9 9.4 2 6 1013.1 0.4 20.3 26.6 41.4 108.6 103.3 355.6
18/07 17:50 13.1 78 8.9 9.4 13 19 1013.1 0.4 20.3 26.6 41.4 108.6 103.3 355.6
18/07 17:40 13.3 79 9.13 9.7 17 20 1013.1 0.4 20.7 26.9 42.2 110.9 106.1 365.5
18/07 17:30 13.5 84 9.83 10.8 15 22 1013.1 0.4 22.2 28.0 45.0 118.4 115.5 398.1
18/07 17:20 14.1 83 10.07 11.2 13 17 1013.1 0.4 22.7 28.2 45.7 120.2 117.9 406.6
18/07 17:10 15.2 68 8.83 9.4 11 20 1013.1 0.4 20.0 25.9 40.0 105.0 99.6 343.0
18/07 17:00 15.3 65 8.49 8.9 9 15 1013.1 0.4 19.3 25.3 38.6 101.3 95.1 327.1
18/07 16:50 15.9 60 8.13 8.2 13 17 1013.1 0.4 18.5 24.6 36.9 96.8 89.8 308.6
18/07 16:40 16.3 55 7.63 7.4 13 15 1013.1 0.4 17.4 23.7 34.9 91.3 83.1 285.3
18/07 16:30 16.7 52 7.39 6.9 15 20 1013.1 0.4 16.9 23.2 33.8 88.5 79.8 273.6
18/07 16:20 17.1 48 6.99 6.2 11 17 1013.1 0.4 16.0 22.5 32.2 84.2 74.6 255.4
18/07 16:10 17 50 7.23 6.7 11 19 1013.1 0.4 16.5 22.9 33.1 86.6 77.5 265.8
18/07 16:00 16.7 50 7.11 6.4 19 20 1013.1 0.4 16.3 22.8 32.8 85.8 76.4 261.8
18/07 15:40 16.4 57 7.96 7.9 15 22 1013.1 0.4 18.1 24.2 36.1 94.5 87.1 299.3
18/07 15:30 15.7 69 9.23 10 11 15 1013.1 0.4 20.8 26.3 41.3 108.6 104.2 359.1
18/07 15:20 16.5 60 8.42 8.8 11 13 1013.1 0.4 19.1 24.8 37.8 99.1 92.8 319.1
18/07 15:10 17.1 56 8.15 8.3 7 9 1013.1 0.4 18.5 24.3 36.5 95.6 88.7 304.9
18/07 15:00 15.9 59 7.99 7.9 7 11 1013.1 0.4 18.2 24.3 36.4 95.4 88.0 302.5
18/07 14:50 15.4 64 8.41 8.7 17 22 1013.1 0.4 19.1 25.1 38.3 100.4 93.9 323.1
18/07 14:40 15.6 66 8.78 9.3 17 20 1013.1 0.4 19.9 25.7 39.6 104.0 98.5 339.0
18/07 14:30 16.3 60 8.32 8.6 22 24 1013.1 0.4 18.9 24.7 37.5 98.3 91.7 315.5
18/07 14:20 17.3 54 7.95 8 19 22 1013.1 0.4 18.0 23.9 35.6 93.4 86.0 295.5
18/07 14:10 17.2 52 7.61 7.3 19 22 1013.1 0.4 17.3 23.4 34.4 90.1 81.9 281.3
18/07 14:00 17.3 53 7.81 7.6 20 22 1013.1 0.4 17.7 23.7 35.1 92.0 84.3 289.5
18/07 13:50 17.2 53 7.76 7.5 17 22 1013.1 0.4 17.6 23.6 35.0 91.6 83.8 287.7
18/07 13:40 17.1 60 8.73 9.4 20 24 1013.1 0.4 19.7 25.2 38.7 101.5 96.0 330.4
18/07 13:30 17.3 54 7.95 8 15 19 1013.1 0.4 18.0 23.9 35.6 93.4 86.0 295.5
18/07 13:20 17.2 52 7.61 7.4 17 24 1013.1 0.4 17.3 23.4 34.4 90.1 81.9 281.3
18/07 13:10 17 56 8.1 8.2 20 26 1013.1 0.4 18.4 24.2 36.3 95.2 88.2 303.1
18/07 13:00 16.9 58 8.34 8.6 20 26 1013.1 0.4 18.9 24.6 37.3 97.8 91.3 314.0
18/07 12:50 17.1 56 8.15 8.2 24 32 1013.1 0.4 18.5 24.3 36.5 95.6 88.7 304.9
18/07 12:40 17.3 57 8.4 8.8 24 30 1013.1 0.4 19.0 24.6 37.3 97.9 91.6 315.0
18/07 12:30 17.5 57 8.5 8.9 24 28 1013.1 0.4 19.2 24.7 37.6 98.7 92.6 318.6
18/07 12:20 17.6 48 7.2 6.7 20 26 1013.1 0.4 16.4 22.7 32.7 85.7 76.6 262.6
18/07 12:10 17.1 48 6.99 6.2 19 22 1013.1 0.4 16.0 22.5 32.2 84.2 74.6 255.4
18/07 12:00 16.8 53 7.58 7.3 17 22 1013.1 0.4 17.3 23.5 34.5 90.3 82.0 281.4
18/07 11:50 16.5 53 7.44 7 17 22 1013.1 0.4 17.0 23.3 34.1 89.2 80.6 276.4
18/07 11:40 16.1 56 7.68 7.3 24 28 1013.1 0.4 17.5 23.8 35.1 92.1 83.9 288.2
18/07 11:30 16 58 7.9 7.8 22 28 1013.1 0.4 18.0 24.2 36.0 94.4 86.8 298.1
18/07 11:20 16.2 60 8.27 8.5 17 24 1013.1 0.4 18.8 24.7 37.3 97.9 91.2 313.6
18/07 11:10 16.1 60 8.22 8.5 13 17 1013.1 0.4 18.7 24.6 37.2 97.5 90.7 311.8
18/07 11:00 15.9 60 8.13 8.2 11 17 1013.1 0.4 18.5 24.6 36.9 96.8 89.8 308.6
18/07 10:50 15.8 64 8.61 9.1 17 20 1013.1 0.4 19.5 25.3 38.8 101.9 96.0 330.4
18/07 10:40 16.5 55 7.72 7.5 19 26 1013.1 0.4 17.6 23.8 35.1 92.0 84.0 288.5
18/07 10:30 16.2 56 7.72 7.6 17 24 1013.1 0.4 17.6 23.8 35.2 92.3 84.3 289.5
18/07 10:20 15.4 62 8.15 8.3 20 24 1013.1 0.4 18.6 24.7 37.2 97.7 90.6 311.5
18/07 10:10 14.8 69 8.74 9.2 19 24 1013.1 0.4 19.8 25.8 39.8 104.6 99.0 340.6
18/07 10:00 15.2 70 9.09 9.9 22 33 1013.1 0.4 20.6 26.3 41.0 107.8 103.0 354.9
18/07 09:50 16.8 59 8.43 8.8 17 20 1013.1 0 19.1 24.8 37.7 98.8 92.5 318.3
18/07 09:40 16.6 56 7.91 7.9 19 22 1013.1 0 18.0 24.0 35.8 93.8 86.3 296.3
18/07 09:30 16.7 57 8.1 8.1 26 33 1013.1 0 18.4 24.3 36.5 95.6 88.5 304.2
18/07 09:20 17.3 54 7.95 8.1 20 30 1013.1 0 18.0 23.9 35.6 93.4 86.0 295.5
18/07 09:10 16.5 55 7.72 7.6 9 13 1013.1 0 17.6 23.8 35.1 92.0 84.0 288.5
18/07 09:00 16.3 58 8.05 8 11 15 1013.1 1.8 18.3 24.3 36.5 95.5 88.3 303.6
18/07 08:50 16.3 61 8.46 8.9 17 19 1013.1 1.8 19.2 25.0 38.0 99.7 93.5 321.7
18/07 08:40 16.2 60 8.27 8.5 19 24 1013.1 1.8 18.8 24.7 37.3 97.9 91.2 313.6
18/07 08:30 15.8 61 8.21 8.4 15 19 1013.1 1.8 18.7 24.7 37.3 97.8 90.9 312.6
18/07 08:20 15.3 66 8.62 9.1 17 20 1013.1 1.8 19.6 25.5 39.1 102.7 96.8 333.0
18/07 08:10 15.2 71 9.22 10 20 26 1013.1 1.8 20.8 26.5 41.6 109.2 104.8 360.9
18/07 08:00 15.9 68 9.21 10.1 24 37 1013.1 1.8 20.8 26.3 41.2 108.1 103.7 357.3
18/07 07:50 16.2 60 8.27 8.4 15 20 1013.1 1.8 18.8 24.7 37.3 97.9 91.2 313.6
18/07 07:40 16.2 60 8.27 8.4 17 20 1013.1 1.8 18.8 24.7 37.3 97.9 91.2 313.6
18/07 07:30 15.9 63 8.53 8.9 19 26 1013.1 1.8 19.3 25.2 38.5 101.0 94.9 326.4
18/07 07:20 15.8 71 9.56 10.6 19 22 1013.1 1.8 21.5 26.9 42.6 112.0 108.4 373.9
18/07 07:10 16.1 69 9.46 10.5 28 35 1013.1 1.8 21.3 26.6 42.1 110.5 106.7 367.9
18/07 07:00 16.5 63 8.85 9.5 15 24 1013.1 1.8 20.0 25.5 39.4 103.5 98.2 338.3
18/07 06:50 16.7 59 8.38 8.7 19 24 1013.1 1.8 19.0 24.7 37.5 98.4 92.0 316.5
18/07 06:40 16.7 60 8.53 9 17 20 1013.1 1.8 19.3 25.0 38.1 100.0 93.9 323.1
18/07 06:30 16.9 62 8.92 9.7 19 22 1013.1 1.8 20.1 25.5 39.5 103.7 98.6 339.7
18/07 06:20 17.1 57 8.3 8.5 19 22 1013.1 1.8 18.8 24.5 37.0 97.1 90.5 311.4
18/07 06:10 17.1 57 8.3 8.6 20 28 1013.1 1.8 18.8 24.5 37.0 97.1 90.5 311.4
18/07 06:00 17.1 54 7.86 7.9 20 28 1013.1 1.8 17.9 23.8 35.4 92.7 85.1 292.3
18/07 05:50 17.2 61 8.93 9.6 20 22 1013.1 1.8 20.1 25.4 39.4 103.4 98.4 338.9
18/07 05:40 17.2 61 8.93 9.7 20 26 1013.1 1.8 20.1 25.4 39.4 103.4 98.4 338.9
18/07 05:30 17.2 57 8.35 8.8 22 24 1013.1 1.8 18.9 24.5 37.2 97.5 91.1 313.2
18/07 05:20 17.2 58 8.49 9 20 32 1013.1 1.8 19.2 24.8 37.7 98.9 92.8 319.4
18/07 05:10 17.1 62 9.02 9.9 20 26 1013.1 1.8 20.3 25.6 39.8 104.5 99.7 343.3
18/07 05:00 17.1 64 9.32 10.3 20 26 1013.1 1.8 21.0 26.1 41.0 107.6 103.5 356.8
18/07 04:50 16.9 65 9.35 10.3 17 22 1013.1 1.8 21.0 26.2 41.2 108.2 104.2 359.1
18/07 04:40 16.8 66 9.44 10.5 19 24 1013.1 1.8 21.2 26.4 41.6 109.3 105.5 363.7
18/07 04:30 16 72 9.81 11 19 24 1013.1 1.8 22.1 27.2 43.5 114.4 111.5 384.6
18/07 04:20 15.3 84 10.97 12.7 13 17 1013.1 1.8 24.6 29.4 48.8 128.4 128.5 443.9
18/07 04:10 15.3 85 11.1 12.9 17 20 1013.1 1.8 24.9 29.6 49.3 129.9 130.3 450.3
18/07 04:00 15.6 87 11.57 13.4 20 30 1013.1 1.8 25.9 30.3 51.2 134.8 136.5 471.8

Last Refresh: 18-Jul-2026 22:29:13

Bureau of Meteorology