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 | 60.8 | ± 10.0 | 43.2 | ± 12.9 | 0.0 | ± 0.0 | 5.2 | ± 3.1 | 42 | 25 | 8 | 5-21 01:00:00 | 57.1 | ± 11.0 | 42.9 | ± 12.8 | 0.0 | ± 0.0 | 3.3 | ± 2.7 | 42 | 25 | 8 | 8 | 8 | 8 | 5-21 02:00:00 | 54.5 | ± 11.7 | 42.1 | ± 13.0 | 0.0 | ± 0.0 | 2.8 | ± 3.2 | 50 | 33 | 8 | 8 | 8 | 5-21 03:00:00 | 52.5 | ± 11.4 | 41.5 | ± 13.1 | 0.0 | ± 0.0 | 3.9 | ± 4.1 | 42 | 25 | 8 | 8 | 8 | 8 | 5-21 04:00:00 | 50.3 | ± 11.5 | 39.4 | ± 12.7 | 0.0 | ± 0.0 | 4.7 | ± 4.9 | 58 | 25 | 17 | 8 | 8 | 8 | 5-21 05:00:00 | 49.1 | ± 11.7 | 37.9 | ± 13.1 | 0.0 | ± 0.0 | 4.1 | ± 3.9 | 33 | 25 | 8 | 5-21 06:00:00 | 48.1 | ± 11.7 | 37.5 | ± 13.2 | 0.0 | ± 0.0 | 4.4 | ± 3.9 | 58 | 42 | 17 | 8 | 8 | 8 | 5-21 07:00:00 | 47.5 | ± 12.4 | 36.9 | ± 13.5 | 0.0 | ± 0.0 | 3.6 | ± 3.6 | 50 | 42 | 25 | 8 | 8 | 8 | 5-21 08:00:00 | 47.6 | ± 12.6 | 37.1 | ± 13.3 | 0.0 | ± 0.0 | 3.8 | ± 2.9 | 50 | 42 | 25 | 8 | 8 | 8 | 5-21 09:00:00 | 47.5 | ± 13.1 | 36.8 | ± 13.7 | 0.0 | ± 0.0 | 3.9 | ± 3.4 | 58 | 33 | 33 | 17 | 17 | 17 | 5-21 10:00:00 | 45.6 | ± 11.2 | 35.7 | ± 11.8 | 0.0 | ± 0.0 | 5.0 | ± 4.8 | 75 | 42 | 33 | 17 | 17 | 17 | 5-21 11:00:00 | 45.9 | ± 9.5 | 34.5 | ± 9.3 | 0.0 | ± 0.0 | 4.0 | ± 4.0 | 67 | 33 | 25 | 8 | 8 | 8 | 5-21 12:00:00 | 47.7 | ± 8.5 | 35.7 | ± 9.7 | 0.0 | ± 0.0 | 4.2 | ± 4.5 | 50 | 25 | 25 | 8 | 8 | 8 | 5-21 13:00:00 | 51.6 | ± 7.5 | 36.8 | ± 9.9 | 0.0 | ± 0.0 | 6.2 | ± 4.3 | 58 | 42 | 17 | 5-21 14:00:00 | 53.2 | ± 7.4 | 36.4 | ± 9.2 | 0.0 | ± 0.0 | 6.1 | ± 4.2 | 67 | 50 | 8 | 5-21 15:00:00 | 55.1 | ± 7.8 | 36.5 | ± 9.5 | 0.0 | ± 0.0 | 5.7 | ± 3.9 | 50 | 42 | 8 | 5-21 16:00:00 | 56.0 | ± 8.8 | 35.9 | ± 8.8 | 0.0 | ± 0.0 | 6.6 | ± 3.5 | 67 | 67 | 17 | 8 | 5-21 17:00:00 | 58.0 | ± 7.7 | 35.9 | ± 8.0 | 0.0 | ± 0.0 | 6.4 | ± 4.5 | 50 | 50 | 8 | 8 | 5-21 18:00:00 | 60.6 | ± 7.8 | 36.2 | ± 7.8 | 0.0 | ± 0.0 | 6.3 | ± 5.1 | 50 | 42 | 8 | 8 | 5-21 19:00:00 | 62.8 | ± 8.4 | 39.0 | ± 11.1 | 0.0 | ± 0.0 | 8.0 | ± 4.4 | 58 | 33 | 8 | 5-21 20:00:00 | 62.7 | ± 8.0 | 40.5 | ± 12.6 | 0.0 | ± 0.0 | 7.0 | ± 4.4 | 75 | 58 | 25 | 17 | 8 | 5-21 21:00:00 | 63.4 | ± 8.0 | 40.3 | ± 12.2 | 0.0 | ± 0.0 | 5.9 | ± 4.7 | 58 | 42 | 8 | 8 | 8 | 5-21 22:00:00 | 63.7 | ± 7.9 | 40.3 | ± 12.0 | 0.0 | ± 0.0 | 5.9 | ± 5.2 | 58 | 33 | 8 | 8 | 5-21 23:00:00 | 62.7 | ± 6.0 | 41.2 | ± 10.2 | 0.0 | ± 0.0 | 4.8 | ± 3.8 | 42 | 33 | 17 | 17 | 8 | 8 |