was not available at Fri Jan 23 12:31:01 SAST 2009 Date Hour Air Temp Temp Dew Rel Hum Rel Hum Wind Wind Pres free-air surface Point free-air surface Spd Dir YYYY-MM-DD SAST (mb) (C) (C) (C) (%) (%) (m/s) (deg from N) 2009-01-22 2 820 9.7 10.8 3.2 63 58 12.6 273 2009-01-22 3 820 9.3 10.1 3.7 67 64 12.1 271 2009-01-22 4 820 9.0 9.3 4.2 72 70 11.7 268 2009-01-22 5 820 8.6 9.0 4.7 76 74 11.3 266 2009-01-22 6 820 8.3 9.1 5.1 80 76 10.9 263 2009-01-22 7 821 7.9 9.5 5.5 84 75 10.5 260 2009-01-22 8 821 7.5 10.4 5.8 89 73 10.2 257 2009-01-22 9 821 8.4 11.6 6.0 85 68 9.5 255 2009-01-22 10 821 9.3 12.9 6.2 81 63 8.9 252 2009-01-22 11 822 10.2 14.1 6.4 77 59 8.3 249 2009-01-22 12 822 11.1 15.4 6.5 73 54 7.7 246 2009-01-22 13 822 12.0 16.6 6.6 69 50 7.1 242 2009-01-22 14 822 12.9 17.9 6.7 65 46 6.6 237 2009-01-22 15 822 13.0 18.6 6.9 65 45 6.1 229 2009-01-22 16 823 13.1 18.7 7.1 66 45 5.8 219 2009-01-22 17 823 13.3 18.3 7.3 66 47 5.6 209 2009-01-22 18 823 13.4 17.3 7.5 67 51 5.6 198 2009-01-22 19 823 13.5 16.0 7.8 67 57 5.8 188 2009-01-22 20 823 13.6 14.7 8.0 68 63 6.2 178 2009-01-22 21 823 13.2 13.7 8.0 70 67 5.4 173 2009-01-22 22 823 12.8 12.8 8.0 72 72 4.6 167 2009-01-22 23 823 12.4 12.1 8.0 74 75 4.0 158 2009-01-23 0 823 11.9 11.3 8.0 76 79 3.5 145 2009-01-23 1 823 11.5 10.7 7.9 78 83 3.2 130 2009-01-23 2 823 11.1 10.2 7.9 80 85 3.1 112 2009-01-23 3 823 11.2 9.8 7.7 79 86 2.3 110 2009-01-23 4 823 11.2 9.6 7.6 78 87 1.5 106 2009-01-23 5 823 11.3 9.8 7.4 76 85 0.8 93 2009-01-23 6 823 11.3 10.3 7.2 75 81 0.3 17 2009-01-23 7 823 11.4 11.1 7.0 74 76 0.9 320 2009-01-23 8 823 11.4 12.2 6.8 73 69 1.7 310 2009-01-23 9 823 12.2 13.6 6.8 69 63 1.9 288 2009-01-23 10 823 12.9 15.0 6.8 65 56 2.3 272 2009-01-23 11 823 13.7 16.5 6.7 62 51 2.9 262 2009-01-23 12 823 14.4 17.9 6.5 58 46 3.5 255 2009-01-23 13 823 15.2 19.3 6.3 54 41 4.2 250 2009-01-23 14 823 15.9 20.7 6.0 50 36 4.9 246 2009-01-23 15 823 15.9 21.4 5.7 49 34 4.8 239 2009-01-23 16 823 15.8 21.4 5.3 48 33 4.9 231 2009-01-23 17 823 15.8 20.6 4.9 47 34 5.0 224 2009-01-23 18 823 15.8 19.2 4.6 46 36 5.2 217 2009-01-23 19 823 15.7 17.2 4.2 45 40 5.5 211 2009-01-23 20 823 15.7 15.5 3.8 44 44 5.8 205 2009-01-23 21 823 15.2 14.0 4.2 46 50 4.9 198 2009-01-23 22 823 14.7 12.9 4.6 49 56 4.0 187 2009-01-23 23 823 14.3 11.9 4.9 52 61 3.4 172 2009-01-24 0 823 13.8 11.0 5.2 55 67 3.2 152 2009-01-24 1 823 13.3 10.0 5.5 58 73 3.3 132 2009-01-24 2 823 12.9 9.1 5.7 61 79 3.8 115