MONTHLY CLIMATOLOGICAL SUMMARY for Dec 2017 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 2.9 5.7 13:20 1.4 00:41 15.4 0.0 0.2 5.2 20.0 01:24 327 02 4.2 6.6 23:20 2.1 00:00 14.2 0.0 0.2 2.9 11.0 09:51 250 03 7.4 9.2 13:48 5.7 23:59 10.9 0.0 0.0 2.7 11.0 00:55 276 04 6.4 9.1 13:29 3.6 05:07 12.0 0.0 0.2 4.8 14.0 14:26 267 05 7.5 7.9 21:04 7.1 07:25 10.8 0.0 0.0 4.7 15.0 11:05 248 06 8.7 10.2 13:33 7.3 03:53 9.6 0.0 0.0 4.4 22.0 23:24 210 07 8.2 11.7 11:25 3.4 23:56 10.2 0.0 3.6 7.9 32.0 20:32 240 08 1.7 3.4 12:33 -0.3 23:33 16.6 0.0 0.0 10.1 29.0 04:36 268 09 0.4 3.2 12:47 -0.9 05:25 17.9 0.0 0.0 5.9 19.0 01:50 248 10 0.6 0.9 04:25 -0.9 00:50 17.8 0.0 0.0 2.8 16.0 05:36 41 11 1.0 2.8 13:16 -1.7 23:36 17.3 0.0 8.0 6.2 22.0 08:58 348 12 0.1 3.7 23:58 -2.1 04:55 18.2 0.0 1.2 3.7 15.0 18:28 228 13 4.9 7.4 15:26 2.6 23:00 13.5 0.0 5.4 6.7 33.0 22:48 236 14 3.5 5.5 13:35 2.1 19:34 14.8 0.0 0.0 6.9 26.0 04:05 236 15 3.1 5.1 13:37 1.1 05:41 15.2 0.0 5.6 6.6 23.0 12:54 295 16 1.5 3.3 13:23 -0.2 09:00 16.9 0.0 0.0 4.8 16.0 14:12 263 17 3.5 9.3 20:17 -0.8 06:58 14.8 0.0 1.8 4.8 22.0 19:23 240 18 3.6 6.0 00:00 2.2 05:38 14.8 0.0 0.0 2.8 13.0 00:19 265 19 5.7 7.5 23:40 3.7 00:00 12.6 0.0 0.0 4.1 15.0 06:55 243 20 9.5 11.0 17:45 7.4 00:40 8.9 0.0 0.2 4.1 13.0 06:33 247 21 10.3 11.5 11:46 9.2 22:47 8.0 0.0 0.2 3.8 17.0 12:33 243 22 9.5 10.0 18:48 8.8 01:04 8.9 0.0 0.0 3.0 14.0 00:00 255 23 8.6 9.5 00:05 7.7 09:48 9.7 0.0 0.0 5.5 18.0 07:37 248 24 9.0 9.8 18:53 7.9 00:36 9.4 0.0 0.0 6.3 21.0 07:00 232 25 9.5 10.3 16:55 4.3 23:56 8.8 0.0 4.6 6.1 26.0 18:07 203 26 4.8 6.5 23:53 3.2 09:30 13.5 0.0 9.2 4.9 22.0 01:03 217 27 2.1 6.8 01:36 0.2 21:46 16.2 0.0 7.6 7.1 26.0 13:26 300 28 1.3 3.6 13:33 -1.0 00:00 17.1 0.0 1.0 5.9 18.0 09:09 243 29 3.7 7.8 12:26 -1.9 01:42 14.6 0.0 4.8 7.1 29.0 11:04 233 30 9.9 12.8 13:41 4.2 01:04 8.4 0.0 3.0 8.3 32.0 13:01 235 31 10.0 13.4 05:45 6.2 23:59 8.3 0.0 2.0 6.2 26.0 04:07 221 --------------------------------------------------------------------------------------- 5.3 13.4 31 -2.1 12 405.2 0.0 58.8 5.4 33.0 13 251