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 ------------------------------------------------------------------------------------ 08 1 37.6 19.6 28.7 0.0 1123 0 65.6 8 -4.3 4 0 8 29 2 08 2 36.7 20.1 28.9 0.0 1021 0 56.2 18 1.8 29 0 9 25 0 08 3 43.4 26.6 34.4 0.0 822 0 57.2 26 16.9 3 0 2 22 0 08 4 62.0 37.1 49.1 0.0 506 29 87.4 23 27.5 3 0 0 7 0 08 5 68.4 45.0 55.8 0.0 294 41 85.9 27 28.7 1 0 0 1 0 08 6 80.5 58.8 68.2 0.0 76 172 100.7 10 48.3 13 4 0 0 0 08 7 84.7 64.0 72.8 0.0 12 252 94.0 19 58.1 11 6 0 0 0 08 8 80.3 71.4 77.0 0.0 0 89 88.0 18 64.7 6 0 0 0 0 08 9 74.5 60.5 67.6 0.0 113 56 90.3 4 37.2 20 1 0 0 0 08 10 61.5 40.6 49.6 0.0 408 6 73.7 9 24.8 31 0 0 6 0 08 11 43.8 29.0 35.4 0.0 502 0 67.3 15 17.8 23 0 1 13 0 08 12 39.2 23.0 31.3 0.0 859 0 62.0 15 6.5 31 0 8 23 0 ------------------------------------------------------------------------------------ 59.9 41.6 50.3 0.0 5736 647 100.7 JUN -4.3 JAN 11 28 126 2 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 08 1 1.88 0.00 1.05 11 10 4 1 08 2 6.97 0.00 1.42 13 17 13 3 08 3 3.14 0.00 0.61 4 14 12 0 08 4 3.43 0.00 1.04 28 10 5 1 08 5 2.53 0.00 0.50 4 12 8 0 08 6 3.09 0.00 1.12 29 15 9 1 08 7 6.37 0.00 1.08 27 17 11 1 08 8 0.09 0.00 0.07 23 1 0 0 08 9 2.56 0.00 1.17 26 8 4 1 08 10 0.48 0.00 0.22 26 6 1 0 08 11 0.34 0.00 0.21 30 3 1 0 08 12 1.45 0.00 0.54 11 7 4 0 --------------------------------------------- 32.33 0.00 1.42 FEB 120 72 8 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 08 1 0.8 20.0 30 SW 08 2 0.9 22.0 10 SW 08 3 1.2 23.0 21 WSW 08 4 1.0 23.0 1 WSW 08 5 0.8 19.0 26 S 08 6 0.3 18.0 22 S 08 7 0.4 18.0 2 N 08 8 0.1 13.0 18 SE 08 9 0.1 18.0 5 SE 08 10 0.3 21.0 29 S 08 11 0.8 19.0 16 WSW 08 12 1.2 25.0 10 SW --------------------------------- 0.7 25.0 DEC SW