MONTHLY CLIMATOLOGICAL SUMMARY for Dec 2010 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 -1.6 -0.4 21:30 -4.2 07:00 20.0 0.0 0.0 6.2 27.0 12:00 56 02 -1.6 -0.5 11:00 -4.1 23:30 19.9 0.0 0.0 4.7 20.0 04:00 59 03 -3.1 -0.6 00:00 -4.6 17:30 21.5 0.0 0.0 2.7 12.0 19:00 247 04 2.3 3.8 21:00 -0.2 00:30 16.0 0.0 2.4 2.1 17.0 02:30 209 05 0.8 2.6 00:30 -1.4 00:00 17.6 0.0 0.0 3.1 13.0 05:00 281 06 -2.8 -1.3 12:30 -4.1 03:00 21.1 0.0 0.0 1.1 6.0 10:00 293 07 -4.4 -2.4 15:00 -6.4 08:30 22.7 0.0 0.0 0.4 7.0 00:00 311 08 -1.2 0.6 13:30 -3.3 00:00 19.5 0.0 0.2 3.3 16.0 14:00 348 09 0.4 3.1 19:00 -3.2 03:00 17.9 0.0 0.0 5.1 18.0 00:00 270 10 5.0 6.4 18:00 2.8 01:30 13.3 0.0 0.0 5.9 21.0 00:00 271 11 5.6 7.7 13:00 2.3 22:30 12.8 0.0 0.0 4.2 19.0 02:00 276 12 2.3 4.2 14:30 0.7 06:30 16.0 0.0 0.0 1.6 10.0 12:00 333 13 1.4 3.2 15:30 -1.3 08:00 17.0 0.0 0.4 1.6 13.0 19:30 315 14 2.2 3.2 01:00 0.0 21:00 16.1 0.0 0.8 1.8 12.0 02:30 20 15 2.0 4.4 14:00 -0.6 06:30 16.3 0.0 2.4 3.4 17.0 16:00 300 16 2.4 6.4 12:30 -3.2 00:00 15.9 0.0 0.4 6.1 24.0 13:30 294 17 -3.1 -1.6 13:00 -4.4 23:30 21.5 0.0 0.0 3.4 15.0 10:30 269 18 -3.2 -0.1 13:00 -5.8 05:30 21.6 0.0 0.0 2.5 18.0 14:00 102 19 -4.5 -2.3 18:00 -6.4 08:00 22.8 0.0 0.0 0.7 9.0 18:30 33 20 -5.5 -1.2 19:30 -9.7 08:30 23.8 0.0 0.0 0.6 8.0 19:00 101 21 -2.3 0.1 18:00 -5.8 03:30 20.6 0.0 0.0 1.2 7.0 15:00 74 22 -0.5 0.6 13:30 -2.9 00:00 18.8 0.0 0.0 2.5 20.0 16:30 29 23 -0.1 1.3 11:00 -3.6 03:30 18.4 0.0 0.0 6.9 23.0 15:00 21 24 -0.7 0.1 01:00 -1.9 07:30 19.0 0.0 0.0 3.7 18.0 01:30 357 25 -1.9 -1.1 14:00 -2.7 08:00 20.2 0.0 0.0 3.4 15.0 19:30 281 26 -1.2 1.2 13:30 -2.9 02:00 19.5 0.0 0.0 2.5 12.0 00:30 252 27 2.2 3.3 11:30 0.3 00:30 16.2 0.0 1.6 2.5 18.0 12:30 158 28 2.7 5.2 22:00 1.3 02:00 15.6 0.0 4.4 2.5 18.0 07:00 154 29 6.2 7.4 12:30 4.9 01:00 12.2 0.0 0.2 0.9 9.0 02:30 171 30 5.1 5.8 12:00 4.6 08:30 13.2 0.0 0.0 0.4 6.0 19:00 86 31 4.7 5.2 21:30 4.0 03:30 13.7 0.0 0.0 0.6 8.0 22:30 280 --------------------------------------------------------------------------------------- 0.2 7.7 11 -9.7 20 560.8 0.0 12.8 2.8 27.0 01 319