Mailing Address:
Pennsylvania State Climatologist503 Walker Building
University Park, PA 16802
| Cloud Ceiling (% less than altitude) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Date and Time | Temp (°F) | STDV Temp (°F) | Dew Pt (°F) | STDV Dew Pt (°F) | Pressure (mb) | STDV Pressure (mb) | Wind (mph) | STDV Wind (mph) | 10000 (ft) | 5000 (ft) | 2000 (ft) | 1000 (ft) | 500 (ft) | 100 (ft) | 5-21 00:00:00 | 57.5 | ± 11.7 | 47.2 | ± 13.8 | 0.0 | ± 0.0 | 7.1 | ± 3.0 | 43 | 37 | 14 | 6 | 6 | 5-21 01:00:00 | 55.9 | ± 11.5 | 45.7 | ± 13.5 | 0.0 | ± 0.0 | 5.5 | ± 3.0 | 40 | 34 | 23 | 11 | 11 | 5-21 02:00:00 | 53.1 | ± 12.3 | 45.3 | ± 13.4 | 0.0 | ± 0.0 | 5.6 | ± 3.4 | 37 | 34 | 20 | 14 | 11 | 3 | 5-21 03:00:00 | 51.8 | ± 12.3 | 44.7 | ± 12.8 | 0.0 | ± 0.0 | 5.8 | ± 3.4 | 29 | 20 | 14 | 9 | 9 | 3 | 5-21 04:00:00 | 51.0 | ± 12.2 | 44.5 | ± 12.8 | 0.0 | ± 0.0 | 5.4 | ± 3.8 | 26 | 17 | 11 | 3 | 3 | 5-21 05:00:00 | 50.0 | ± 12.2 | 44.5 | ± 12.9 | 0.0 | ± 0.0 | 4.4 | ± 3.2 | 23 | 17 | 17 | 6 | 5-21 06:00:00 | 48.5 | ± 12.2 | 43.5 | ± 12.7 | 0.0 | ± 0.0 | 3.2 | ± 3.9 | 20 | 20 | 14 | 3 | 5-21 07:00:00 | 47.3 | ± 12.3 | 42.9 | ± 12.4 | 0.0 | ± 0.0 | 3.8 | ± 3.0 | 20 | 20 | 14 | 3 | 3 | 5-21 08:00:00 | 45.7 | ± 11.7 | 41.6 | ± 11.4 | 0.0 | ± 0.0 | 2.7 | ± 3.7 | 20 | 17 | 14 | 9 | 6 | 5-21 09:00:00 | 41.7 | ± 9.7 | 38.1 | ± 8.2 | 0.0 | ± 0.0 | 3.0 | ± 4.0 | 17 | 11 | 9 | 3 | 3 | 5-21 10:00:00 | 41.8 | ± 9.1 | 38.0 | ± 7.9 | 0.0 | ± 0.0 | 3.2 | ± 4.5 | 23 | 20 | 17 | 11 | 6 | 5-21 11:00:00 | 44.2 | ± 8.6 | 40.2 | ± 7.0 | 0.0 | ± 0.0 | 3.9 | ± 4.1 | 31 | 29 | 20 | 14 | 14 | 3 | 5-21 12:00:00 | 47.4 | ± 6.8 | 42.1 | ± 7.3 | 0.0 | ± 0.0 | 4.5 | ± 3.4 | 34 | 29 | 26 | 20 | 14 | 6 | 5-21 13:00:00 | 51.0 | ± 6.7 | 42.1 | ± 6.8 | 0.0 | ± 0.0 | 4.6 | ± 3.9 | 34 | 31 | 23 | 17 | 14 | 3 | 5-21 14:00:00 | 54.1 | ± 7.3 | 40.1 | ± 6.9 | 0.0 | ± 0.0 | 5.9 | ± 4.7 | 46 | 43 | 34 | 23 | 14 | 5-21 15:00:00 | 56.1 | ± 7.9 | 39.2 | ± 7.6 | 0.0 | ± 0.0 | 5.4 | ± 3.8 | 40 | 37 | 26 | 17 | 6 | 5-21 16:00:00 | 57.6 | ± 8.5 | 39.6 | ± 9.1 | 0.0 | ± 0.0 | 5.0 | ± 4.3 | 49 | 43 | 31 | 14 | 3 | 5-21 17:00:00 | 60.2 | ± 8.5 | 42.2 | ± 12.0 | 0.0 | ± 0.0 | 7.8 | ± 5.8 | 63 | 57 | 37 | 9 | 5-21 18:00:00 | 60.7 | ± 8.3 | 41.6 | ± 11.7 | 0.0 | ± 0.0 | 5.7 | ± 4.3 | 63 | 49 | 14 | 6 | 5-21 19:00:00 | 61.9 | ± 9.0 | 42.1 | ± 12.2 | 0.0 | ± 0.0 | 7.8 | ± 5.4 | 60 | 54 | 17 | 9 | 5-21 20:00:00 | 62.6 | ± 9.2 | 42.0 | ± 11.7 | 0.0 | ± 0.0 | 7.7 | ± 4.1 | 66 | 54 | 14 | 5-21 21:00:00 | 62.1 | ± 9.3 | 41.1 | ± 12.1 | 0.0 | ± 0.0 | 6.4 | ± 4.0 | 60 | 54 | 14 | 3 | 3 | 3 | 5-21 22:00:00 | 60.6 | ± 8.7 | 41.1 | ± 11.8 | 0.0 | ± 0.0 | 7.3 | ± 5.4 | 51 | 37 | 6 | 3 | 5-21 23:00:00 | 58.6 | ± 7.8 | 42.7 | ± 9.5 | 0.0 | ± 0.0 | 6.6 | ± 3.9 | 37 | 31 | 6 | 3 |