ANNUAL CLIMATOLOGICAL SUMMARY NAME: TWO CITY: Berkhamsted STATE: ELEV: 160 m LAT: 51° 36' 00" N LONG: 0° 30' 00" W TEMPERATURE (°C), HEAT BASE 18.3, COOL BASE 18.3 DEP. HEAT COOL MEAN MEAN FROM DEG DEG MAX MAX MIN MIN YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=32 <=0 <=0 <=-18 ------------------------------------------------------------------------------------ 08 1 9.2 3.8 6.7 2.9 360 0 13.2 20 -0.2 3 0 0 2 0 08 2 10.4 1.4 5.5 1.7 371 0 15.2 10 -4.8 17 0 0 6 0 08 3 9.8 2.7 6.0 0.3 382 0 14.2 15 -3.8 5 0 0 6 0 08 4 13.5 6.4 9.7 1.8 39 0 16.7 4 4.7 5 0 0 0 0 08 5 08 6 08 7 08 8 08 9 08 10 08 11 08 12 ------------------------------------------------------------------------------------ 10.0 2.9 6.3 1.7 1152 0 16.7 APR -4.8 FEB 0 0 14 0 PRECIPITATION (mm) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .2 2 20 -------------------------------------------- 08 1 89.8 28.3 19.4 15 24 14 0 08 2 19.6 -16.6 5.0 26 13 3 0 08 3 88.8 39.0 18.6 10 23 11 0 08 4 3.2 -39.3 2.6 5 3 1 0 08 5 0.0 -45.0 0.0 1 0 0 0 08 6 0.0 -45.8 0.0 1 0 0 0 08 7 0.0 -45.7 0.0 1 0 0 0 08 8 0.0 -44.2 0.0 1 0 0 0 08 9 0.0 -42.7 0.0 1 0 0 0 08 10 0.0 -72.6 0.0 1 0 0 0 08 11 0.0 -45.1 0.0 1 0 0 0 08 12 0.0 -59.3 0.0 1 0 0 0 -------------------------------------------- 201.4-389.0 19.4 JAN 63 29 0 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 08 1 2.7 37.0 31 S 08 2 1.6 29.0 26 S 08 3 2.6 29.0 12 SW 08 4 2.3 23.0 1 SW 08 5 08 6 08 7 08 8 08 9 08 10 08 11 08 12 --------------------------------- 2.3 37.0 JAN SSE