MONTHLY CLIMATOLOGICAL SUMMARY for Dec 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 8.5 10.7 05:00 5.1 00:00 9.8 0.0 0.4 2.6 20.0 00:30 238 02 5.0 7.5 14:00 2.6 08:30 13.3 0.0 0.2 3.7 21.0 23:30 246 03 8.9 10.4 06:00 7.4 00:30 9.4 0.0 0.0 6.2 24.0 01:00 258 04 6.1 8.2 15:00 2.7 23:30 12.2 0.0 0.4 5.4 21.0 18:00 264 05 3.3 5.8 13:00 1.9 06:00 15.0 0.0 0.0 6.5 22.0 06:30 267 06 4.0 5.7 14:30 2.4 06:30 14.3 0.0 0.8 5.7 24.0 11:30 261 07 6.1 7.8 04:00 4.3 00:00 12.2 0.0 0.0 9.1 32.0 11:30 269 08 7.7 11.9 17:30 3.8 02:00 10.6 0.0 0.0 7.0 34.0 12:30 246 09 3.8 6.7 13:30 1.6 00:00 14.6 0.0 0.0 6.4 24.0 15:30 267 10 2.3 4.5 14:00 0.7 06:00 16.0 0.0 0.0 4.3 17.0 04:30 251 11 5.7 7.8 13:30 2.4 01:00 12.6 0.0 4.2 3.1 16.0 16:00 213 12 5.6 9.2 00:00 2.2 08:30 12.7 0.0 0.4 5.0 25.0 21:00 238 13 5.6 11.0 03:00 2.4 16:30 12.7 0.0 1.8 7.0 32.0 07:00 244 14 3.7 5.2 12:00 2.4 08:30 14.6 0.0 0.0 5.1 26.0 08:00 241 15 4.6 6.8 14:30 1.8 02:00 13.8 0.0 1.8 5.0 27.0 09:00 256 16 1.7 3.1 00:30 0.0 08:30 16.6 0.0 4.4 5.3 22.0 15:00 312 17 1.9 4.4 14:00 0.2 04:00 16.4 0.0 0.2 5.2 20.0 15:00 278 18 0.6 3.5 14:30 -1.1 05:30 17.7 0.0 0.2 4.2 17.0 10:00 275 19 3.3 6.7 23:00 0.2 00:30 15.0 0.0 4.6 4.0 16.0 21:30 243 20 5.7 6.7 01:00 4.6 09:00 12.6 0.0 0.8 5.6 22.0 11:00 277 21 8.9 11.5 18:00 4.8 02:00 9.5 0.0 4.0 4.2 16.0 17:30 270 22 9.7 10.8 14:00 8.6 09:00 8.6 0.0 0.0 5.9 20.0 01:30 263 23 8.5 10.9 03:30 3.8 00:00 9.9 0.0 1.0 6.5 34.0 17:30 269 24 5.1 7.7 00:00 2.2 05:30 13.2 0.0 0.2 5.2 20.0 13:30 255 25 10.2 11.7 23:30 8.4 00:30 8.1 0.0 0.0 7.5 28.0 22:30 260 26 11.2 12.9 12:00 9.2 22:00 7.1 0.0 0.0 6.1 24.0 03:00 260 27 9.1 10.4 12:00 6.7 23:30 9.3 0.0 0.0 2.9 18.0 00:30 241 28 7.7 10.0 07:30 4.8 00:00 10.6 0.0 0.0 6.7 23.0 10:30 256 29 6.2 8.7 16:00 4.7 03:00 12.1 0.0 0.0 8.4 27.0 07:30 270 30 5.7 10.6 23:30 3.8 08:30 12.7 0.0 6.0 4.9 20.0 02:30 263 31 11.1 11.9 20:00 10.3 03:00 7.2 0.0 0.2 5.9 21.0 13:00 260 --------------------------------------------------------------------------------------- 6.1 12.9 26 -1.1 18 380.7 0.0 31.6 5.5 34.0 08 260