MONTHLY CLIMATOLOGICAL SUMMARY for Sep 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 15.1 20.2 16:30 9.4 07:00 3.2 0.0 0.0 1.6 14.0 11:30 100 02 18.8 25.7 17:00 12.7 01:30 0.0 0.5 0.0 2.4 17.0 17:00 263 03 18.0 23.4 16:30 13.9 08:00 0.3 0.0 0.0 2.4 16.0 12:30 255 04 16.2 20.4 14:30 13.1 23:00 2.1 0.0 6.8 2.1 12.0 19:00 227 05 14.2 18.8 17:30 10.1 06:30 4.2 0.0 1.0 5.7 27.0 13:00 255 06 15.3 18.3 15:00 12.9 00:00 3.0 0.0 0.4 7.0 31.0 12:30 245 07 14.1 16.9 19:00 11.8 05:00 4.2 0.0 0.0 7.3 26.0 01:30 263 08 14.9 18.4 19:00 12.3 00:30 3.4 0.0 0.0 5.1 22.0 11:00 260 09 18.3 22.5 16:00 14.7 02:00 0.1 0.0 0.0 3.0 17.0 17:00 258 10 18.8 23.2 15:30 15.9 00:00 0.0 0.4 0.0 2.9 17.0 12:00 216 11 16.0 20.2 15:30 14.1 09:00 2.3 0.0 0.2 3.8 22.0 15:30 241 12 17.0 20.3 12:00 14.2 00:00 1.3 0.0 0.2 8.0 36.0 18:00 256 13 14.1 17.4 13:30 11.7 00:00 4.3 0.0 0.0 6.6 28.0 17:30 263 14 13.8 18.2 16:00 9.9 07:00 4.6 0.0 0.0 5.1 21.0 00:30 264 15 13.9 19.3 16:30 9.1 07:30 4.5 0.0 0.0 1.1 10.0 20:00 247 16 16.0 21.5 15:30 11.4 03:00 2.3 0.0 0.4 2.0 15.0 21:30 137 17 13.9 17.6 17:30 9.9 23:30 4.4 0.0 0.4 4.0 23.0 16:30 251 18 12.0 17.1 17:00 8.2 06:00 6.4 0.0 0.0 2.9 14.0 03:30 267 19 14.0 18.6 16:00 9.9 08:30 4.4 0.0 0.0 4.5 21.0 16:30 268 20 16.7 19.8 16:00 14.3 07:30 1.7 0.0 3.8 4.1 21.0 01:00 236 21 13.8 16.3 15:30 11.7 06:30 4.5 0.0 2.0 3.6 23.0 17:30 266 22 14.3 16.8 14:30 11.5 08:00 4.0 0.0 0.0 4.5 21.0 02:30 266 23 13.8 19.1 17:30 8.6 08:00 4.6 0.0 0.0 2.1 13.0 15:00 249 24 14.2 20.4 16:00 8.8 06:30 4.1 0.0 0.2 1.2 12.0 14:30 204 25 15.9 21.3 15:00 11.6 04:00 2.4 0.0 0.0 2.4 17.0 14:00 218 26 17.0 20.7 15:30 15.4 04:00 1.3 0.0 1.0 1.6 14.0 08:00 259 27 16.1 22.3 17:00 11.1 06:30 2.2 0.0 0.0 1.1 9.0 09:30 235 28 18.6 25.8 17:00 13.8 05:30 0.0 0.3 0.2 1.6 12.0 13:30 140 29 20.8 28.6 16:30 15.8 08:00 0.0 2.5 0.0 1.5 13.0 01:30 148 30 20.7 28.7 16:30 15.2 03:00 0.0 2.3 0.0 1.0 10.0 14:00 183 --------------------------------------------------------------------------------------- 15.9 28.7 30 8.2 18 79.7 6.0 16.6 3.4 36.0 12 251