ANNUAL CLIMATOLOGICAL SUMMARY NAME: JAT Observatory CITY: Fairless Hills STATE: PA ELEV: 100 ft LAT: 40° 09' 56" N LONG: 74° 50' 56" 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 ------------------------------------------------------------------------------------ 04 1 31.6 17.9 25.2 0.0 1233 0 54.7 3 2.2 16 0 20 28 0 04 2 45.1 24.4 34.5 0.0 885 0 64.3 29 12.3 16 0 0 28 0 04 3 54.5 36.8 45.0 0.0 544 4 73.3 26 23.2 14 0 0 9 0 04 4 65.4 42.7 53.3 0.0 390 40 88.4 18 29.0 5 0 0 2 0 04 5 81.0 57.1 67.9 0.0 96 186 92.9 23 38.6 4 4 0 0 0 04 6 82.2 60.3 70.9 0.0 48 225 93.8 9 51.1 21 3 0 0 0 04 7 85.9 65.5 74.8 0.0 4 307 93.6 7 58.6 10 10 0 0 0 04 8 84.7 64.8 73.8 0.0 18 291 93.4 20 53.8 8 6 0 0 0 04 9 79.1 59.1 68.4 0.0 56 158 88.6 4 46.5 20 0 0 0 0 04 10 63.8 45.9 54.5 0.0 343 18 79.8 7 37.6 29 0 0 0 0 04 11 55.7 37.6 46.8 0.0 546 1 69.3 7 24.1 10 0 0 8 0 04 12 46.1 29.1 37.9 0.0 608 0 58.4 8 8.1 20 0 1 12 0 ------------------------------------------------------------------------------------ 65.2 45.6 54.9 0.0 4771 1228 93.8 JUN 2.2 JAN 23 21 87 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 -------------------------------------------- 04 1 0.59 0.00 0.24 5 5 2 0 04 2 1.70 0.00 1.07 6 7 2 1 04 3 2.33 0.00 0.61 19 14 7 0 04 4 3.44 0.00 0.99 13 12 8 0 04 5 1.24 0.00 0.36 3 10 4 0 04 6 2.05 0.00 0.61 17 11 6 0 04 7 8.19 0.00 2.14 12 10 7 5 04 8 2.45 0.00 0.81 11 11 7 0 04 9 6.05 0.00 4.09 28 7 6 1 04 10 1.33 0.00 0.68 19 8 4 0 04 11 3.97 0.00 1.25 4 9 7 2 04 12 2.44 0.00 0.69 1 10 6 0 -------------------------------------------- 35.78 0.00 4.09 SEP 114 66 9 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 04 1 1.6 28.0 6 N 04 2 1.4 25.0 21 N 04 3 1.8 38.0 12 N 04 4 2.0 27.0 5 N 04 5 0.9 19.0 2 SW 04 6 0.7 20.0 17 SW 04 7 0.6 14.0 15 S 04 8 0.5 17.0 31 S 04 9 0.7 24.0 28 NE 04 10 0.6 18.0 10 N 04 11 1.2 29.0 5 N 04 12 1.4 29.0 1 WNW --------------------------------- 1.1 38.0 MAR N