CLIMATOLOGICAL SUMMARY for year 2012 NAME: Royston, Hertfordshire ELEV: 78 meters LAT: 52-03.15 N LONG: 000-01.35 W TEMPERATURE (C) HEAT COOL MAX MAX MIN MIN MEAN MEAN DEG DEG >= <= <= <= YR MO MAX MIN MEAN DAYS DAYS HI DAY LOW DAY 30 0 0 -20 ------------------------------------------------------------------------------------------------ 2012 01 8.3 3.2 5.6 393.4 0.0 12.1 01 -2.2 14 0 0 5 0 2012 02 6.4 0.9 3.7 424.5 0.0 16.2 23 -10.9 11 0 3 13 0 2012 03 13.0 4.3 8.4 309.4 0.0 20.2 28 1.6 26 0 0 0 0 2012 04 11.9 4.3 7.6 321.1 0.0 18.3 30 -0.8 06 0 0 2 0 2012 05 16.5 8.3 12.2 192.3 2.6 28.1 28 2.4 07 0 0 0 0 2012 06 18.3 10.6 14.3 126.2 5.0 28.8 28 6.2 05 0 0 0 0 2012 07 21.1 12.4 16.2 77.8 12.9 30.4 24 9.3 21 1 0 0 0 2012 08 22.8 13.4 17.6 42.9 21.1 30.4 18 5.6 31 2 0 0 0 2012 09 18.7 9.8 14.0 133.1 3.0 27.9 08 4.3 22 0 0 0 0 2012 10 13.0 7.0 9.9 261.8 0.0 17.1 01 1.0 27 0 0 0 0 2012 11 9.4 4.4 7.0 341.9 0.0 15.3 13 -0.6 30 0 0 1 0 2012 12 7.2 2.5 6.4 415.2 0.0 13.0 23 -6.2 12 0 2 8 0 ------------------------------------------------------------------------------------------------ 13.9 6.8 10.1 3039.5 44.6 30.4 Jul -10.9 Feb 3 5 29 0 PRECIPITATION (mm) MAX ---DAYS OF RAIN--- OBS. OVER YR MO TOTAL DAY DATE 0.30 3.00 30.00 ------------------------------------------------ 2012 01 28.4 13.2 19 8 3 0 2012 02 10.8 4.6 06 6 1 0 2012 03 15.8 10.4 04 3 1 0 2012 04 70.4 14.6 25 18 9 0 2012 05 67.8 17.0 03 12 8 0 2012 06 132.8 38.0 11 18 9 1 2012 07 144.8 29.8 14 19 11 0 2012 08 35.6 9.6 29 15 2 0 2012 09 25.0 14.8 23 5 3 0 2012 10 81.0 20.6 05 19 7 0 2012 11 58.0 14.6 01 14 6 0 2012 12 65.8 11.8 31 17 10 0 ------------------------------------------------ 736.2 38.0 Jun 154 70 1 WIND SPEED (mph) DOM YR MO AVG HI DATE DIR ----------------------------------- 2012 01 4.4 38.0 05 266 2012 02 3.3 31.0 18 273 2012 03 2.8 31.0 05 286 2012 04 3.6 27.0 15 314 2012 05 3.3 33.0 15 2 2012 06 3.3 36.0 08 250 2012 07 2.5 24.0 16 260 2012 08 2.2 25.0 30 248 2012 09 3.3 27.0 24 264 2012 10 2.7 29.0 16 279 2012 11 2.7 35.0 25 253 2012 12 4.6 29.0 07 242 ----------------------------------- 3.3 38.0 Jan 262