MONTHLY CLIMATOLOGICAL SUMMARY for Jan 2011 NAME: Royston, Hertfordshire ELEV: 78 meters LAT: 52-03.15 N LONG: 000-01.35 W TEMPERATURE (C), RAIN (mm), WIND SPEED (mph) HEAT COOL AVG MEAN DEG DEG WIND DOM DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR --------------------------------------------------------------------------------------- 01 4.2 5.7 12:30 1.7 00:00 14.1 0.0 0.8 3.0 12.0 03:00 319 02 1.7 2.6 14:00 0.4 08:00 16.7 0.0 0.0 1.7 7.0 13:00 299 03 1.2 3.2 14:00 0.4 04:00 17.1 0.0 0.0 1.1 10.0 12:00 259 04 2.4 4.2 00:00 0.7 02:00 16.0 0.0 0.0 2.9 14.0 22:00 221 05 4.7 5.9 14:00 3.6 09:00 13.6 0.0 1.6 4.1 22.0 06:00 212 06 3.7 4.5 00:30 1.2 00:00 14.7 0.0 0.0 1.3 10.0 01:30 260 07 4.8 9.3 19:30 -0.3 03:00 13.5 0.0 9.2 2.3 13.0 12:00 161 08 5.8 9.2 01:30 0.9 00:00 12.6 0.0 2.0 4.7 24.0 09:00 239 09 2.7 5.3 13:30 0.4 00:00 15.6 0.0 0.0 4.7 19.0 09:00 248 10 3.8 7.4 14:00 -0.4 03:00 14.6 0.0 0.0 3.2 19.0 23:00 163 11 4.4 6.9 10:00 2.1 23:30 13.9 0.0 2.2 4.6 25.0 10:30 276 12 8.3 11.4 14:30 2.5 00:30 10.0 0.0 13.8 4.1 21.0 08:30 238 13 12.0 12.7 11:30 11.2 20:30 6.4 0.0 2.4 5.2 24.0 11:30 251 14 10.3 11.8 05:30 7.3 00:00 8.0 0.0 1.8 5.2 21.0 17:30 245 15 9.7 11.1 15:00 6.3 01:00 8.6 0.0 0.0 5.9 28.0 18:30 230 16 10.5 11.7 10:00 8.5 00:00 7.9 0.0 0.6 4.9 24.0 15:00 228 17 6.1 7.9 00:30 4.4 22:30 12.3 0.0 12.6 1.4 15.0 11:30 339 18 3.9 6.3 14:00 1.8 08:00 14.4 0.0 10.0 3.0 15.0 14:30 287 19 2.9 6.8 14:00 1.4 06:00 15.4 0.0 0.2 3.0 14.0 14:30 280 20 2.8 3.6 18:00 1.9 02:00 15.5 0.0 0.8 2.1 12.0 19:00 358 21 0.6 2.7 00:30 -2.6 10:00 17.7 0.0 1.2 1.9 11.0 09:00 317 22 3.3 5.7 17:00 0.0 01:00 15.0 0.0 1.2 5.2 24.0 19:00 13 23 5.5 6.6 16:30 4.1 06:00 12.9 0.0 0.2 6.0 23.0 19:00 22 24 4.9 6.1 14:00 3.7 20:00 13.4 0.0 0.0 3.8 17.0 05:00 312 25 6.3 7.8 13:30 4.5 00:30 12.0 0.0 6.0 4.4 17.0 09:30 271 26 4.2 5.9 00:30 -0.2 00:00 14.1 0.0 1.2 4.6 20.0 19:00 45 27 0.7 2.2 14:00 -0.4 01:00 17.6 0.0 0.0 4.7 15.0 06:00 65 28 -0.8 1.3 13:00 -3.4 23:00 19.1 0.0 0.0 3.4 14.0 00:30 85 29 -0.3 0.9 14:30 -3.2 00:30 18.6 0.0 0.0 3.0 14.0 15:30 61 30 2.0 4.0 14:30 -0.3 00:30 16.4 0.0 0.0 1.2 10.0 06:30 81 31 0.9 3.7 14:00 -2.8 23:30 17.4 0.0 0.0 1.0 10.0 20:30 264 --------------------------------------------------------------------------------------- 4.3 12.7 13 -3.4 28 435.1 0.0 67.8 3.5 28.0 15 268