ANNUAL CLIMATOLOGICAL SUMMARY NAME: Old Windsor CITY: Berkshire STATE: UK ELEV: 60 ft LAT: 51° 27' 40" N LONG: 0° 34' 47" W TEMPERATURE (°F), HEAT BASE 64.9, COOL BASE 64.9 DEP. HEAT COOL MEAN MEAN FROM DEG DEG MAX MAX MIN MIN YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=90 <=32 <=32 <=0 ------------------------------------------------------------------------------------ 09 1 42.7 31.8 37.6 -1.4 845 0 50.1 12 17.2 7 0 1 17 0 09 2 46.3 34.8 40.5 1.5 682 0 58.9 27 24.8 3 0 0 13 0 09 3 55.8 36.1 45.9 3.5 585 0 62.9 16 27.9 21 0 0 9 0 09 4 61.8 42.2 52.2 5.8 385 3 71.5 21 33.2 28 0 0 0 0 09 5 67.0 46.7 57.3 4.8 263 28 77.2 24 37.0 4 0 0 0 0 09 6 73.5 51.6 62.6 4.7 159 91 88.0 29 41.1 4 0 0 0 0 09 7 73.3 55.3 63.8 2.5 107 71 87.6 1 49.5 9 0 0 0 0 09 8 74.6 55.1 64.6 3.4 98 90 83.8 19 47.1 22 0 0 0 0 09 9 68.3 50.7 59.5 2.5 185 21 80.9 8 41.2 26 0 0 0 0 09 10 60.7 46.1 53.2 1.6 362 0 66.9 6 31.2 18 0 0 1 0 09 11 53.5 43.1 48.5 4.4 492 0 61.8 1 31.9 9 0 0 1 0 09 12 43.3 33.0 38.6 -1.9 817 0 54.7 6 21.9 23 0 0 14 0 ------------------------------------------------------------------------------------ 60.1 43.9 52.1 2.6 4979 305 88.0 JUN 17.2 JAN 0 1 55 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 -------------------------------------------- 09 1 2.28 -0.77 0.44 17 11 6 0 09 2 2.07 -0.06 0.83 9 13 6 0 09 3 1.11 -1.34 0.45 3 9 4 0 09 4 0.92 -1.11 0.21 27 8 3 0 09 5 1.08 -1.12 0.29 15 10 4 0 09 6 1.07 -1.10 0.51 7 7 2 0 09 7 2.40 0.47 0.33 23 19 11 0 09 8 1.05 -1.23 0.66 6 8 1 0 09 9 0.80 -1.87 0.37 2 3 2 0 09 10 1.26 -1.69 0.45 7 12 3 0 09 11 4.87 1.77 0.58 28 23 14 0 09 12 3.42 0.25 0.61 23 18 11 0 -------------------------------------------- 22.33 -7.80 0.83 FEB 141 67 0 WIND SPEED (kt) DOM YR MO AVG. HI DATE DIR --------------------------------- 09 1 0.9 21.7 19 SW 09 2 0.7 18.3 1 NW 09 3 1.4 24.3 26 W 09 4 0.5 16.5 8 SE 09 5 1.4 22.6 1 W 09 6 0.6 22.6 7 W 09 7 1.1 19.1 24 W 09 8 0.7 20.9 28 W 09 9 1.1 24.3 4 W 09 10 0.6 22.6 3 W 09 11 1.7 23.5 16 W 09 12 0.8 18.3 18 W --------------------------------- 1.0 24.3 MAR W