MONTHLY CLIMATOLOGICAL SUMMARY for May 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 10.8 14.3 15:42 7.1 23:59 7.5 0.0 3.6 3.2 19.0 13:30 98 02 10.1 16.1 11:45 4.6 06:09 8.2 0.0 0.0 4.2 20.0 15:09 22 03 8.5 10.9 14:41 5.8 05:20 9.8 0.0 0.0 5.7 20.0 09:38 21 04 10.5 13.8 11:52 8.3 23:43 7.9 0.0 0.0 6.5 22.0 17:01 36 05 10.8 16.2 13:35 5.1 05:33 7.6 0.0 0.0 6.0 25.0 18:43 61 06 10.6 13.7 15:42 8.9 05:26 7.8 0.0 0.0 5.2 16.0 08:20 35 07 10.9 16.4 15:42 7.8 04:54 7.5 0.0 0.0 4.9 19.0 14:29 359 08 8.9 10.8 14:54 7.4 03:55 9.5 0.0 0.0 6.4 21.0 11:48 360 09 9.0 11.9 14:35 6.8 23:41 9.3 0.0 0.0 3.2 12.0 08:54 14 10 11.0 18.8 15:44 3.4 05:30 7.3 0.0 0.0 2.0 14.0 16:53 106 11 14.2 23.4 16:22 5.9 04:17 4.2 0.0 0.0 3.2 15.0 10:39 98 12 15.0 20.4 18:03 11.3 04:45 3.3 0.0 1.2 2.4 18.0 18:27 184 13 13.8 18.6 18:12 10.5 00:59 4.5 0.0 0.0 3.3 17.0 15:25 219 14 14.2 19.9 16:58 10.3 02:31 4.2 0.0 1.2 4.5 19.0 11:35 244 15 13.7 18.3 15:37 8.8 02:17 4.7 0.0 0.4 4.0 27.0 16:29 186 16 18.5 23.6 14:37 14.9 03:27 0.0 0.1 0.0 4.4 28.0 11:07 221 17 14.7 16.8 13:01 10.8 23:45 3.7 0.0 23.4 2.2 15.0 21:50 254 18 12.2 17.3 14:23 8.9 05:30 6.1 0.0 6.4 3.2 14.0 01:41 277 19 10.7 13.6 18:08 8.7 23:59 7.6 0.0 3.6 3.6 14.0 12:35 282 20 11.6 16.8 17:29 7.3 04:10 6.7 0.0 6.6 3.4 25.0 18:12 214 21 14.1 21.3 17:11 8.3 05:15 4.2 0.0 0.0 3.0 12.0 12:26 173 22 18.0 26.4 16:57 10.2 04:50 0.3 0.0 0.0 2.6 16.0 11:31 158 23 17.0 22.4 18:29 11.4 05:54 1.3 0.0 0.0 4.8 14.0 00:29 262 24 19.7 26.5 17:18 13.5 04:54 0.0 1.4 0.0 3.3 13.0 00:10 281 25 20.3 27.2 14:55 13.8 05:31 0.0 2.0 0.0 2.2 14.0 17:31 115 26 20.2 26.7 14:59 13.3 04:53 0.0 1.9 0.0 4.3 21.0 12:31 107 27 19.7 25.3 12:00 14.9 23:57 0.0 1.3 0.0 4.0 24.0 14:16 189 28 18.3 24.7 15:22 12.3 04:27 0.0 0.0 0.0 3.4 15.0 02:55 252 29 17.8 20.8 14:54 14.2 04:45 0.6 0.0 9.8 1.8 11.0 01:12 89 30 16.8 19.7 19:17 13.8 06:34 1.5 0.0 0.0 5.4 18.0 11:34 249 31 17.7 23.4 18:36 13.1 05:22 0.7 0.0 0.0 2.4 13.0 00:06 220 --------------------------------------------------------------------------------------- 14.2 27.2 25 3.4 10 136.0 6.7 56.2 3.8 28.0 16 352