Station: Portable Btsm (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
19/04 13:10 35 16 6.33 6.1 11 19 1013.1 0 14.0 17.9 24.1 62.9 53.8 184.4
19/04 13:00 34.7 17 6.62 6.3 7 11 1013.1 0 14.6 18.3 25.0 65.3 56.7 194.5
19/04 12:50 34.9 17 6.69 6.2 9 11 1013.1 0 14.7 18.3 25.2 65.7 57.2 196.4
19/04 12:40 34.7 17 6.62 6.5 11 22 1013.1 0 14.6 18.3 25.0 65.3 56.7 194.5
19/04 12:30 34.7 17 6.62 6.5 9 11 1013.1 0 14.6 18.3 25.0 65.3 56.7 194.5
19/04 12:20 34.4 18 6.9 7 11 13 1013.1 0 15.2 18.6 25.9 67.7 59.5 204.5
19/04 12:10 33.9 19 7.09 7.2 11 19 1013.1 0 15.6 19.0 26.6 69.6 61.7 212.1
19/04 12:00 34 19 7.13 7.2 9 13 1013.1 0 15.7 19.0 26.7 69.8 62.0 213.2
19/04 11:50 33.6 19 6.98 7.2 11 15 1013.1 0 15.4 18.9 26.4 69.0 60.9 209.1
19/04 11:40 33.7 19 7.02 7.3 13 20 1013.1 0 15.5 18.9 26.5 69.2 61.2 210.2
19/04 11:30 33.6 19 6.98 7.4 11 15 1013.1 0 15.4 18.9 26.4 69.0 60.9 209.1
19/04 11:20 33.4 20 7.27 7.6 9 13 1013.1 0 16.0 19.3 27.3 71.4 63.8 219.5
19/04 11:10 32.9 21 7.44 7.8 11 17 1013.1 0 16.3 19.6 28.0 73.2 65.9 226.6
19/04 11:00 32.6 21 7.32 7.7 9 13 1013.1 0 16.1 19.5 27.7 72.5 64.9 223.3
19/04 10:50 32.6 22 7.67 8.1 11 13 1013.1 0 16.8 19.9 28.8 75.3 68.4 235.4
19/04 10:40 32.4 22 7.59 8.3 11 15 1013.1 0 16.7 19.9 28.6 74.8 67.8 233.2
19/04 10:30 32.2 23 7.85 8.5 11 17 1013.1 0 17.2 20.2 29.5 77.1 70.5 242.9
19/04 10:20 31.7 24 7.98 9 9 11 1013.1 0 17.5 20.5 30.0 78.6 72.3 249.0
19/04 10:10 31.3 25 8.13 9 11 13 1013.1 0 17.8 20.8 30.6 80.2 74.2 255.6
19/04 10:00 30.8 26 8.23 9.2 9 11 1013.1 0 18.0 21.0 31.1 81.6 75.7 260.8
19/04 09:50 30.2 26 7.97 9 9 13 1013.1 0 17.5 20.8 30.5 79.9 73.5 253.1
19/04 09:40 29.7 28 8.36 9.3 9 13 1013.1 0 18.4 21.4 32.0 83.8 78.0 269.0
19/04 09:30 29.1 28 8.09 9.2 13 17 1013.1 0 17.8 21.2 31.3 82.0 75.8 260.9
19/04 09:20 28.8 29 8.24 9.3 13 17 1013.1 0 18.2 21.5 31.9 83.6 77.6 267.5
19/04 09:10 28.7 30 8.48 9.4 11 15 1013.1 0 18.6 21.8 32.7 85.8 80.3 276.8
19/04 09:00 28.6 30 8.43 9.3 9 13 1013.1 0 18.6 21.8 32.6 85.5 79.9 275.3
19/04 08:50 27.9 31 8.38 9.3 11 15 1013.1 0 18.5 21.9 32.7 85.8 80.0 275.7
19/04 08:40 27.4 32 8.42 9.5 13 17 1013.1 0 18.6 22.1 33.1 86.6 80.9 278.9
19/04 08:30 27.4 32 8.42 9.5 9 13 1013.1 0 18.6 22.1 33.1 86.6 80.9 278.9
19/04 08:20 26.9 33 8.45 9.5 9 11 1013.1 0 18.7 22.2 33.4 87.4 81.8 281.8
19/04 08:10 26.3 34 8.42 9.5 6 9 1013.1 0 18.6 22.3 33.5 87.8 82.0 282.7
19/04 08:00 25.3 36 8.43 9.5 6 9 1013.1 0 18.7 22.6 33.9 89.0 83.2 286.5
19/04 07:50 24.6 38 8.55 9.4 7 11 1013.1 0 19.0 22.9 34.6 90.8 85.3 293.8
19/04 07:40 24 39 8.48 9.4 6 7 1013.1 0 18.9 23.0 34.6 90.8 85.1 293.1
19/04 07:30 23.5 40 8.46 9.4 4 6 1013.1 0 18.8 23.1 34.8 91.2 85.4 294.1
19/04 07:20 22.6 42 8.44 9.2 4 6 1013.1 0 18.8 23.3 35.1 92.0 86.1 296.6
19/04 07:10 21.1 45 8.29 8.7 4 6 1013.1 0 18.6 23.4 35.2 92.3 86.0 295.9
19/04 07:00 19.1 51 8.36 8.9 0 2 1013.1 0 18.8 24.0 36.4 95.3 89.0 306.3
19/04 06:50 18.2 55 8.55 9 0 0 1013.1 0 19.3 24.6 37.5 98.3 92.4 318.0
19/04 06:40 17.8 56 8.5 9.1 0 0 1013.1 0 19.2 24.6 37.5 98.3 92.2 317.4
19/04 06:20 17.1 60 8.73 9.3 0 0 1013.1 0 19.7 25.2 38.7 101.5 96.0 330.4
19/04 06:10 17.1 60 8.73 9.3 0 0 1013.1 0 19.7 25.2 38.7 101.5 96.0 330.4
19/04 06:00 17.5 58 8.65 9.1 0 0 1013.1 0 19.5 24.9 38.2 100.2 94.5 325.2
19/04 05:40 17.5 58 8.65 9.1 0 2 1013.1 0 19.5 24.9 38.2 100.2 94.5 325.2
19/04 05:30 17.3 58 8.54 9 0 2 1013.1 0 19.3 24.8 37.9 99.3 93.3 321.2
19/04 05:20 17.5 58 8.65 9.2 0 0 1013.1 0 19.5 24.9 38.2 100.2 94.5 325.2
19/04 05:10 17.9 56 8.55 9 0 0 1013.1 0 19.3 24.7 37.6 98.7 92.7 319.2
19/04 05:00 18.3 54 8.44 8.9 0 4 1013.1 0 19.0 24.4 37.0 97.1 90.9 312.8
19/04 04:50 18.5 53 8.38 8.9 0 0 1013.1 0 18.9 24.2 36.7 96.2 89.9 309.5
19/04 04:40 18.5 54 8.54 9 0 0 1013.1 0 19.2 24.5 37.3 97.8 91.9 316.4
19/04 04:30 18.6 53 8.43 9 0 0 1013.1 0 19.0 24.3 36.8 96.6 90.4 311.2
19/04 04:10 19 52 8.47 8.9 0 2 1013.1 0 19.1 24.2 36.8 96.5 90.5 311.4
19/04 04:00 19.1 51 8.36 8.9 0 4 1013.1 0 18.8 24.0 36.4 95.3 89.0 306.3
19/04 03:50 19 51 8.31 8.8 0 2 1013.1 0 18.7 24.0 36.2 94.9 88.5 304.5
19/04 03:40 19.1 51 8.36 8.8 0 0 1013.1 0 18.8 24.0 36.4 95.3 89.0 306.3
19/04 03:30 18.9 51 8.26 8.6 2 2 1013.1 0 18.6 23.9 36.1 94.6 88.0 302.8
19/04 03:20 18.7 53 8.48 8.9 0 0 1013.1 0 19.1 24.3 37.0 97.0 90.9 313.0
19/04 03:10 18.8 52 8.37 8.7 0 0 1013.1 0 18.9 24.1 36.5 95.8 89.5 307.9
19/04 03:00 19.1 51 8.36 8.9 0 0 1013.1 0 18.8 24.0 36.4 95.3 89.0 306.3
19/04 02:50 19.3 51 8.46 8.9 0 0 1013.1 0 19.0 24.1 36.6 96.1 90.0 309.8
19/04 02:40 19.4 51 8.51 9.1 0 0 1013.1 0 19.1 24.2 36.8 96.4 90.5 311.5
19/04 02:30 19.9 50 8.59 9.3 0 0 1013.1 0 19.3 24.2 36.8 96.6 90.9 313.0
19/04 02:20 20.6 48 8.59 9.2 0 0 1013.1 0 19.2 24.0 36.5 95.8 90.1 310.3
19/04 02:10 20.6 46 8.23 8.7 0 0 1013.1 0 18.5 23.5 35.2 92.3 85.8 295.2
19/04 02:00 20.5 48 8.54 9.1 0 0 1013.1 0 19.1 23.9 36.4 95.4 89.6 308.6
19/04 01:50 20.7 46 8.28 8.8 0 0 1013.1 0 18.6 23.5 35.4 92.7 86.3 296.9
19/04 01:40 20.6 47 8.41 8.9 0 0 1013.1 0 18.9 23.7 35.9 94.0 87.9 302.7
19/04 01:30 20.7 47 8.46 9 0 0 1013.1 0 19.0 23.8 36.0 94.4 88.4 304.5
19/04 01:20 20.7 46 8.28 8.9 0 2 1013.1 0 18.6 23.5 35.4 92.7 86.3 296.9
19/04 01:10 20.8 47 8.51 9.1 0 0 1013.1 0 19.1 23.8 36.1 94.8 88.9 306.2
19/04 01:00 21 46 8.43 9 0 2 1013.1 0 18.9 23.7 35.8 93.8 87.7 302.1
19/04 00:50 21.3 44 8.2 8.8 0 0 1013.1 0 18.4 23.2 34.8 91.2 84.7 291.4
19/04 00:40 21.4 44 8.25 8.8 0 2 1013.1 0 18.5 23.3 34.9 91.6 85.2 293.1
19/04 00:30 21.4 44 8.25 8.6 2 6 1013.1 0 18.5 23.3 34.9 91.6 85.2 293.1
19/04 00:20 21 46 8.43 9 0 0 1013.1 0 18.9 23.7 35.8 93.8 87.7 302.1
19/04 00:10 21.1 46 8.47 9.3 0 0 1013.1 0 19.0 23.7 35.9 94.0 88.1 303.4
19/04 00:00 21.3 45 8.39 9.1 0 0 1013.1 0 18.8 23.5 35.5 93.0 86.9 299.3
18/04 23:50 21 45 8.24 8.7 0 2 1013.1 0 18.5 23.4 35.1 91.9 85.5 294.2
18/04 23:40 20.9 46 8.38 9 0 0 1013.1 0 18.8 23.6 35.6 93.4 87.3 300.4
18/04 23:20 21.5 44 8.3 9 0 0 1013.1 0 18.6 23.3 35.1 92.0 85.7 294.8
18/04 23:10 21.5 46 8.67 9.6 0 0 1013.1 0 19.4 23.9 36.4 95.5 90.0 310.2
18/04 23:00 21.7 44 8.39 9.2 0 0 1013.1 0 18.8 23.4 35.3 92.6 86.5 297.8
18/04 22:50 21.7 46 8.77 9.7 0 0 1013.1 0 19.6 24.0 36.7 96.2 91.0 313.6
18/04 22:40 22.1 43 8.39 9 0 0 1013.1 0 18.8 23.3 35.1 92.1 86.1 296.3
18/04 22:30 22.4 43 8.54 9.2 0 0 1013.1 0 19.1 23.5 35.5 93.2 87.5 301.4
18/04 22:20 22.9 42 8.58 9.4 0 0 1013.1 0 19.1 23.4 35.5 93.0 87.4 301.2
18/04 22:10 23.3 40 8.36 9.2 0 0 1013.1 0 18.6 23.0 34.5 90.5 84.4 290.8
18/04 22:00 23.4 40 8.41 9.1 0 0 1013.1 0 18.7 23.0 34.7 90.9 84.9 292.4
18/04 21:50 23.6 40 8.51 9.2 0 0 1013.1 0 18.9 23.1 34.9 91.6 85.9 295.8
18/04 21:40 23.7 39 8.34 9 0 2 1013.1 0 18.6 22.8 34.3 89.9 83.8 288.6
18/04 21:30 23.7 39 8.34 9 0 0 1013.1 0 18.6 22.8 34.3 89.9 83.8 288.6
18/04 21:20 24.1 38 8.31 8.9 0 0 1013.1 0 18.5 22.7 34.0 89.2 83.0 286.0
18/04 21:10 24.5 37 8.28 8.9 0 0 1013.1 0 18.4 22.6 33.7 88.4 82.3 283.4
18/04 21:00 24.8 36 8.19 8.9 0 0 1013.1 0 18.2 22.4 33.3 87.3 81.0 278.8
18/04 20:50 25 35 8.06 8.8 0 2 1013.1 0 17.9 22.1 32.8 85.9 79.3 273.0
18/04 20:40 25.2 35 8.15 8.8 0 2 1013.1 0 18.1 22.2 33.0 86.5 80.1 275.9
18/04 20:30 25.9 33 7.99 8.7 0 0 1013.1 0 17.8 21.8 32.2 84.4 77.7 267.3
18/04 20:20 26.2 32 7.88 8.6 0 2 1013.1 0 17.5 21.6 31.7 83.1 76.2 262.2
18/04 20:10 26.3 32 7.92 8.5 0 2 1013.1 0 17.6 21.6 31.8 83.3 76.5 263.4
18/04 20:00 26.4 32 7.97 8.6 0 0 1013.1 0 17.7 21.7 32.0 83.7 77.0 265.0

Last Refresh: 19-Apr-2026 15:07:07

Bureau of Meteorology