National Arboretum Dc
Weather Station of the U.S. Weather Service

Located in District Of Columbia Cou, Maryland, National Arboretum Dc is at an elevation of 50 feet and was established as a weather station on 01 Aug 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....... 43.0 46.4 55.3 66.0 75.8 84.4 88.9 87.4 80.4 69.0 58.0 47.7 66.9 Average Low........ 24.0 26.0 33.4 42.2 52.4 61.8 66.9 64.8 56.9 44.1 35.7 28.2 44.7 Monthly Precipitn.. 3.57 2.84 3.92 3.26 4.29 3.63 4.21 3.90 4.08 3.43 3.32 3.25 43.70 Heating Degree Days 977 807 641 332 108 6 0 1 35 283 544 837 4571 Cooling Degree Days 0 0 0 4 80 249 399 345 144 22 0 0 1243 

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