MONTHLY CLIMATOLOGICAL SUMMARY for May 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 11.7 15.8 16:30 8.8 04:00 6.7 0.0 3.0 2.4 13.0 06:00 279 02 7.4 9.2 02:00 4.6 00:00 11.0 0.0 15.2 7.2 25.0 16:00 42 03 6.2 9.4 16:00 3.6 00:00 12.1 0.0 1.2 7.7 30.0 13:30 22 04 6.9 11.6 18:00 2.3 05:30 11.4 0.0 0.0 4.4 19.0 14:00 18 05 10.2 14.2 18:30 5.6 05:30 8.1 0.0 0.0 1.4 11.0 18:30 14 06 9.7 14.0 16:30 5.3 00:00 8.6 0.0 0.0 3.5 18.0 17:00 36 07 7.7 11.7 13:30 4.2 01:30 10.6 0.0 0.0 4.6 22.0 18:00 36 08 6.8 8.2 14:00 5.9 04:30 11.5 0.0 0.8 5.5 19.0 17:00 33 09 8.1 12.2 18:00 5.5 00:00 10.3 0.0 0.6 3.9 19.0 18:00 40 10 7.1 11.2 14:00 3.3 07:00 11.2 0.0 0.0 3.7 19.0 18:00 36 11 6.2 10.5 18:30 2.0 06:30 12.1 0.0 0.0 2.9 17.0 14:30 39 12 6.4 11.3 18:30 1.1 06:00 11.9 0.0 0.0 3.0 18.0 15:00 24 13 7.9 13.8 17:00 1.1 06:00 10.4 0.0 0.0 0.9 10.0 15:30 255 14 10.2 15.6 17:00 3.8 06:30 8.2 0.0 0.0 2.1 15.0 13:00 230 15 12.1 16.4 19:30 7.6 07:30 6.2 0.0 0.0 2.9 13.0 13:30 289 16 11.3 16.1 15:30 6.3 06:00 7.0 0.0 1.2 3.2 17.0 11:30 267 17 11.2 16.1 15:30 6.5 06:00 7.2 0.0 0.2 2.9 19.0 14:30 304 18 13.0 18.7 13:30 6.2 06:00 5.3 0.0 0.0 1.0 10.0 20:00 132 19 14.5 20.2 17:30 7.8 06:00 3.8 0.0 0.0 1.7 8.0 01:30 211 20 18.0 23.2 17:30 12.8 03:30 0.4 0.0 0.0 1.9 11.0 17:00 323 21 18.6 23.7 17:00 13.4 06:00 0.0 0.3 0.0 2.7 16.0 13:30 38 22 16.8 24.4 18:30 9.9 07:00 1.5 0.0 0.0 1.6 12.0 13:30 77 23 19.9 27.5 17:30 10.7 05:00 0.0 1.6 0.0 1.1 11.0 18:00 263 24 20.3 26.2 16:30 14.3 00:00 0.0 1.9 0.0 3.2 15.0 18:00 323 25 14.2 19.7 16:30 10.7 00:00 4.2 0.0 0.0 3.0 15.0 13:00 91 26 11.3 16.4 16:00 6.9 04:00 7.0 0.0 1.6 3.0 15.0 01:30 76 27 11.5 15.8 14:30 7.5 03:00 6.8 0.0 6.4 1.9 13.0 17:30 281 28 12.9 18.5 18:00 7.4 06:00 5.4 0.0 0.0 4.2 18.0 08:00 274 29 12.5 14.8 18:30 9.8 06:00 5.9 0.0 3.4 2.0 16.0 15:30 194 30 13.8 16.9 15:30 11.5 00:00 4.6 0.0 0.0 7.9 28.0 15:00 288 31 12.5 15.9 16:00 10.2 07:00 5.9 0.0 0.0 4.3 19.0 00:30 1 --------------------------------------------------------------------------------------- 11.5 27.5 23 1.1 12 215.3 3.8 33.6 3.3 30.0 03 8