MONTHLY CLIMATOLOGICAL SUMMARY for May 2021 NAME: Royston, Hertfordshire ELEV: 80 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 7.1 11.9 16:46 2.0 04:57 11.3 0.0 0.0 3.7 20.0 17:01 1 02 8.7 14.2 16:36 2.8 05:49 9.6 0.0 0.0 2.1 17.0 17:13 258 03 9.2 12.4 12:24 6.6 06:05 9.1 0.0 9.6 5.9 36.0 19:43 208 04 8.6 11.8 14:12 5.3 23:57 9.8 0.0 2.8 12.2 39.0 10:36 261 05 6.4 11.4 12:56 2.8 06:04 11.9 0.0 1.4 5.6 20.0 11:38 267 06 6.8 12.1 17:12 3.2 06:24 11.6 0.0 0.6 4.0 20.0 14:50 285 07 8.6 13.5 18:34 3.4 05:40 9.7 0.0 0.0 4.9 17.0 13:11 265 08 10.9 15.2 19:59 5.7 06:14 7.4 0.0 7.0 5.0 24.0 14:13 181 09 16.2 21.4 13:30 12.2 03:34 2.2 0.0 0.0 3.8 24.0 15:40 196 10 13.1 17.3 16:15 8.7 23:58 5.2 0.0 0.4 4.4 33.0 14:11 203 11 12.3 18.8 16:13 6.3 05:30 6.1 0.0 0.0 2.5 18.0 17:21 169 12 12.5 18.3 16:38 7.2 04:44 5.8 0.0 0.0 2.7 14.0 15:28 214 13 11.5 15.4 12:23 9.0 23:59 6.9 0.0 18.8 2.9 19.0 12:52 77 14 9.5 12.1 17:48 7.5 05:23 8.8 0.0 4.4 2.8 15.0 01:19 8 15 10.3 15.2 18:00 8.0 23:45 8.0 0.0 2.8 1.8 11.0 08:11 130 16 11.5 16.6 15:21 6.8 05:25 6.8 0.0 0.0 2.7 18.0 16:11 183 17 11.4 15.7 17:47 8.6 07:03 7.0 0.0 1.2 3.3 24.0 15:08 287 18 11.5 16.3 15:24 7.9 04:48 6.8 0.0 2.2 4.0 17.0 16:22 248 19 11.9 18.1 15:32 8.6 04:41 6.5 0.0 2.0 3.9 18.0 15:33 287 20 10.7 15.1 14:46 6.2 05:18 7.7 0.0 0.2 4.2 28.0 14:07 195 21 11.0 13.5 10:28 9.2 23:54 7.4 0.0 6.2 8.0 30.0 05:03 223 22 9.9 14.2 16:56 7.9 06:34 8.4 0.0 5.8 4.6 18.0 00:12 275 23 10.0 13.8 14:17 5.3 05:18 8.4 0.0 3.0 4.3 26.0 16:34 199 24 9.9 14.3 16:21 6.4 05:21 8.5 0.0 7.4 3.8 18.0 14:16 221 25 10.5 15.2 17:30 6.9 03:56 7.8 0.0 0.6 7.0 24.0 13:48 259 26 10.3 14.6 12:58 6.9 03:49 8.0 0.0 0.2 5.2 20.0 12:23 275 27 13.9 19.8 17:50 8.9 05:41 4.5 0.0 0.0 3.6 15.0 23:33 10 28 14.7 20.3 12:55 10.1 04:26 3.7 0.0 0.2 1.9 11.0 02:52 161 29 16.4 22.8 17:29 11.4 05:32 1.9 0.0 0.0 2.3 16.0 13:34 74 30 13.9 22.4 16:11 7.8 03:25 4.4 0.0 0.0 3.4 17.0 14:13 61 31 16.0 25.2 15:07 7.9 04:51 2.4 0.0 0.0 3.2 16.0 13:36 75 --------------------------------------------------------------------------------------- 11.1 25.2 31 2.0 01 223.4 0.0 76.8 4.2 39.0 04 239