MONTHLY CLIMATOLOGICAL SUMMARY for May 2025 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 20.1 28.8 16:04 10.8 05:13 0.0 1.8 0.0 1.5 10.0 13:45 144 02 17.2 22.2 15:44 12.8 23:56 1.2 0.0 0.0 3.7 14.0 14:51 4 03 12.5 18.3 13:39 8.2 23:49 5.8 0.0 0.0 4.8 23.0 15:57 351 04 8.8 12.7 13:59 5.5 06:04 9.5 0.0 0.0 5.9 22.0 13:08 357 05 9.0 14.6 15:57 4.7 05:15 9.4 0.0 0.0 6.4 27.0 09:52 12 06 9.4 13.8 13:12 5.8 00:05 8.9 0.0 0.0 4.0 16.0 14:06 13 07 9.9 15.6 13:43 4.3 04:04 8.5 0.0 0.0 4.3 19.0 13:52 9 08 10.9 15.4 14:43 6.7 23:59 7.4 0.0 0.0 4.9 19.0 15:44 10 09 12.2 19.9 16:16 5.4 03:09 6.1 0.0 0.0 3.3 20.0 15:16 64 10 15.2 22.6 15:02 6.2 05:54 3.1 0.0 0.0 3.4 20.0 12:35 87 11 17.5 25.1 15:20 7.8 05:51 0.8 0.0 0.0 3.3 20.0 14:30 87 12 19.5 26.6 14:49 12.4 06:08 0.0 1.2 1.4 3.1 20.0 15:09 86 13 17.3 24.9 15:52 9.7 05:49 1.0 0.0 0.0 3.5 17.0 13:39 56 14 13.5 21.6 13:50 7.3 04:57 4.9 0.0 0.0 5.3 22.0 15:33 12 15 10.8 13.2 15:33 8.2 01:50 7.6 0.0 0.0 5.8 25.0 12:38 357 16 10.9 16.7 15:34 6.3 03:00 7.4 0.0 0.0 5.6 22.0 18:00 4 17 13.1 19.0 18:18 9.2 05:22 5.2 0.0 0.0 4.3 19.0 00:00 353 18 12.2 17.2 17:11 9.4 04:40 6.1 0.0 0.0 4.7 17.0 19:48 359 19 13.7 20.6 17:00 8.4 03:08 4.6 0.0 0.0 2.9 15.0 17:30 37 20 14.2 22.1 17:54 7.1 04:40 4.1 0.0 0.0 2.5 13.0 09:05 349 21 14.2 18.0 16:32 8.2 23:59 4.2 0.0 0.0 4.4 20.0 14:04 350 22 10.4 16.2 18:04 5.8 05:29 8.0 0.0 0.0 2.6 15.0 12:18 11 23 13.3 20.7 18:10 4.7 05:35 5.0 0.0 0.0 2.8 17.0 15:55 252 24 16.4 20.2 16:25 12.7 05:46 1.9 0.0 5.6 6.1 23.0 18:03 235 25 15.7 19.2 16:13 12.0 23:57 2.6 0.0 0.4 7.7 29.0 14:58 241 26 13.8 18.1 14:06 10.1 03:11 4.5 0.0 0.4 6.0 24.0 16:42 227 27 14.6 16.4 10:56 12.6 00:47 3.7 0.0 5.4 6.6 26.0 19:05 224 28 16.2 20.0 18:32 13.8 05:20 2.1 0.0 0.6 6.1 23.0 10:23 248 29 18.5 23.9 17:48 12.6 05:01 0.0 0.1 0.4 7.6 34.0 16:46 233 30 19.5 24.6 17:15 14.1 04:50 0.0 1.1 0.0 4.4 19.0 15:55 231 31 20.3 25.7 15:59 14.9 05:25 0.0 2.0 0.0 4.0 18.0 22:14 235 --------------------------------------------------------------------------------------- 14.2 28.8 01 4.3 07 133.7 6.2 14.2 4.6 34.0 29 334