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 ------------------------------------------------------------------------------------ 07 1 36.6 21.9 29.7 0.0 700 1 69.8 6 0.7 26 0 11 21 0 07 2 31.6 14.4 23.1 0.0 1173 0 45.8 20 3.5 5 0 13 28 0 07 3 45.8 24.8 35.2 0.0 915 1 71.1 14 0.1 9 0 3 23 0 07 4 53.7 35.6 44.5 0.0 636 19 89.3 23 24.1 6 0 0 8 0 07 5 72.4 47.7 59.8 0.0 250 90 94.0 25 33.7 7 1 0 0 0 07 6 78.7 56.4 66.5 0.0 110 155 95.9 27 43.2 7 2 0 0 0 07 7 81.5 61.9 69.9 0.0 30 188 93.4 26 48.6 2 2 0 0 0 07 8 83.7 60.2 70.7 0.0 60 238 96.3 3 47.9 21 9 0 0 0 07 9 77.3 53.0 64.1 0.0 147 124 94.9 7 39.2 18 3 0 0 0 07 10 66.4 58.8 63.9 0.0 33 18 87.4 5 40.6 2 0 0 0 0 07 11 47.4 35.3 41.7 0.0 536 0 62.7 1 19.1 24 0 0 14 0 07 12 34.8 19.9 27.1 0.0 1155 0 52.0 23 0.9 18 0 10 30 0 ------------------------------------------------------------------------------------ 59.6 40.9 49.9 0.0 5745 835 96.3 AUG 0.1 MAR 17 37 124 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 07 1 1.38 0.00 0.82 8 6 2 0 07 2 0.80 0.00 0.22 17 8 3 0 07 3 2.72 0.00 1.44 2 11 7 1 07 4 3.96 0.00 0.89 16 13 9 0 07 5 5.22 0.00 1.48 16 13 11 1 07 6 2.81 0.00 1.07 4 8 5 1 07 7 4.64 0.00 1.32 5 15 9 1 07 8 1.97 0.00 0.42 8 10 9 0 07 9 3.73 0.00 1.51 9 7 5 2 07 10 0.00 0.00 0.00 1 0 0 0 07 11 1.55 0.00 0.42 15 8 5 0 07 12 2.25 0.00 0.92 23 11 8 0 --------------------------------------------- 31.03 0.00 1.51 SEP 110 73 6 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 07 1 0.7 22.0 10 N 07 2 1.5 22.0 15 WSW 07 3 1.6 25.0 6 WSW 07 4 1.3 29.0 16 SW 07 5 0.8 18.0 4 WSW 07 6 0.3 12.0 5 SW 07 7 0.2 17.0 15 NE 07 8 0.2 12.0 18 NE 07 9 0.3 16.0 3 S 07 10 0.1 21.0 23 S 07 11 0.5 19.0 14 SW 07 12 0.6 20.0 1 SW --------------------------------- 0.7 29.0 APR SW