ANNUAL CLIMATOLOGICAL SUMMARY NAME: Lowell Road CITY: Westford STATE: MA ELEV: 174 ft LAT: 42° 36' 35" N LONG: 71° 24' 27" W TEMPERATURE (°F), HEAT BASE 65.0, COOL BASE 65.0 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 ------------------------------------------------------------------------------------ 06 1 40.8 24.5 32.5 0.0 996 0 60.5 18 7.0 16 0 4 28 0 06 2 37.9 19.4 28.5 0.0 1020 0 60.5 16 3.9 27 0 10 25 0 06 3 47.7 25.9 36.8 0.0 878 3 76.0 31 9.9 1 0 2 24 0 06 4 61.7 37.7 48.9 0.0 494 11 77.7 20 27.8 10 0 0 9 0 06 5 66.0 47.8 56.2 0.0 322 50 84.5 29 37.0 1 0 0 0 0 06 6 75.3 59.3 66.7 0.0 88 138 91.0 18 49.2 11 2 0 0 0 06 7 83.7 64.6 73.6 0.0 13 280 92.9 17 55.4 7 2 0 0 0 06 8 78.3 59.1 67.8 0.0 77 163 95.9 2 48.2 31 3 0 0 0 06 9 71.5 51.7 60.5 0.0 180 45 82.6 9 38.2 30 0 0 0 0 06 10 61.7 41.2 50.4 0.0 462 11 79.0 9 29.5 27 0 0 2 0 06 11 54.6 37.2 45.5 0.0 586 1 68.6 16 23.9 21 0 0 12 0 06 12 45.3 29.4 37.4 0.0 856 0 66.4 1 18.6 6 0 2 20 0 ------------------------------------------------------------------------------------ 60.5 41.6 50.5 0.0 5971 701 95.9 AUG 3.9 FEB 7 18 120 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 06 1 2.41 0.00 0.52 24 13 7 0 06 2 1.80 0.00 0.63 3 8 4 0 06 3 0.47 0.00 0.33 13 2 2 0 06 4 2.92 0.00 0.81 4 14 8 0 06 5 7.88 0.00 2.74 13 16 12 2 06 6 9.35 0.00 1.58 3 21 15 4 06 7 4.89 0.00 1.38 12 15 12 1 06 8 3.82 0.00 0.78 25 13 9 0 06 9 1.87 0.00 0.44 3 9 6 0 06 10 5.24 0.00 1.85 12 9 6 2 06 11 3.67 0.00 0.95 8 12 9 0 06 12 1.52 0.00 0.59 23 8 6 0 --------------------------------------------- 45.84 0.00 2.74 MAY 140 96 9 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 06 1 1.1 25.0 18 WSW 06 2 1.6 29.0 17 WSW 06 3 1.9 21.0 3 WSW 06 4 1.4 20.0 1 WSW 06 5 0.9 22.0 21 NW 06 6 0.4 15.0 1 N 06 7 0.3 13.0 22 N 06 8 0.3 12.0 7 N 06 9 0.2 13.0 24 N 06 10 0.5 18.0 29 N 06 11 0.6 18.0 17 N 06 12 0.7 22.0 8 N --------------------------------- 0.8 29.0 FEB N