Derry 4 SW
Weather Station of the U.S. Weather Service

Located in Westmoreland County, Pennsylvania, Derry 4 SW is at an elevation of 1060 feet and was established as a weather station on 01 May 1948.

From 1971 to 2000, the following average readings were recorded:

 - - - - - - - - - JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC YEAR Average High....... 36.0 39.5 49.5 60.7 71.4 79.3 83.4 81.7 75.2 63.6 51.3 40.4 61.0 Average Low........ 19.7 20.8 28.1 36.8 47.0 56.2 61.5 60.3 53.4 41.5 33.3 24.7 40.3 Monthly Precipitn.. 3.37 3.02 3.93 4.19 4.88 5.04 5.22 4.09 4.61 3.29 4.05 3.41 49.10 Heating Degree Days 1152 976 812 489 231 44 5 14 81 394 681 1005 5884 Cooling Degree Days 0 0 0 0 51 126 237 200 60 8 0 0 682 

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