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) | 12-25 00:00:00 | 32.6 | ± 6.7 | 16.4 | ± 17.7 | 1015.8 | ± 10.5 | 7.3 | ± 4.0 | 15 | 15 | 8 | 8 | 12-25 01:00:00 | 34.8 | ± 9.5 | 23.2 | ± 16.1 | 1014.9 | ± 10.0 | 7.1 | ± 4.7 | 15 | 15 | 12-25 02:00:00 | 32.2 | ± 6.9 | 21.2 | ± 14.6 | 1016.7 | ± 9.5 | 4.8 | ± 4.3 | 8 | 8 | 12-25 03:00:00 | 30.8 | ± 7.2 | 20.2 | ± 12.2 | 1016.5 | ± 10.5 | 3.9 | ± 4.9 | 23 | 23 | 8 | 8 | 12-25 04:00:00 | 31.7 | ± 7.0 | 22.5 | ± 12.8 | 1016.5 | ± 9.4 | 4.4 | ± 4.5 | 15 | 15 | 8 | 8 | 12-25 05:00:00 | 32.0 | ± 7.6 | 23.8 | ± 10.4 | 1016.0 | ± 9.3 | 5.7 | ± 5.1 | 8 | 8 | 8 | 8 | 12-25 06:00:00 | 30.8 | ± 8.0 | 19.6 | ± 11.7 | 1015.8 | ± 10.2 | 5.3 | ± 5.2 | 23 | 15 | 8 | 8 | 8 | 12-25 07:00:00 | 32.6 | ± 7.1 | 23.9 | ± 11.8 | 1015.4 | ± 8.7 | 5.7 | ± 4.6 | 15 | 15 | 8 | 8 | 8 | 12-25 08:00:00 | 31.3 | ± 7.6 | 23.0 | ± 11.9 | 1015.3 | ± 8.7 | 5.6 | ± 3.8 | 15 | 15 | 8 | 8 | 8 | 12-25 09:00:00 | 28.8 | ± 7.2 | 20.0 | ± 11.0 | 1017.0 | ± 8.4 | 5.9 | ± 5.1 | 15 | 15 | 8 | 8 | 8 | 12-25 10:00:00 | 30.6 | ± 8.8 | 23.3 | ± 12.0 | 1015.2 | ± 9.2 | 5.1 | ± 3.7 | 8 | 8 | 8 | 8 | 8 | 12-25 11:00:00 | 31.0 | ± 9.6 | 24.0 | ± 12.6 | 1014.8 | ± 9.9 | 5.5 | ± 3.4 | 15 | 15 | 8 | 8 | 8 | 12-25 12:00:00 | 32.7 | ± 8.0 | 26.3 | ± 10.2 | 1014.0 | ± 5.8 | 5.7 | ± 3.4 | 15 | 15 | 8 | 8 | 8 | 12-25 13:00:00 | 31.3 | ± 8.0 | 24.3 | ± 10.6 | 1015.7 | ± 8.9 | 5.6 | ± 3.6 | 8 | 8 | 8 | 8 | 8 | 12-25 14:00:00 | 34.0 | ± 7.7 | 27.7 | ± 9.7 | 1013.4 | ± 6.7 | 5.9 | ± 3.8 | 15 | 15 | 8 | 8 | 8 | 12-25 15:00:00 | 35.0 | ± 7.9 | 26.0 | ± 10.7 | 1016.6 | ± 8.7 | 8.2 | ± 3.7 | 15 | 15 | 8 | 8 | 8 | 12-25 16:00:00 | 37.7 | ± 6.8 | 27.9 | ± 11.5 | 1016.3 | ± 8.6 | 7.9 | ± 3.7 | 15 | 15 | 8 | 8 | 12-25 17:00:00 | 38.3 | ± 7.2 | 28.7 | ± 13.3 | 1014.3 | ± 8.8 | 9.4 | ± 3.2 | 15 | 15 | 8 | 8 | 12-25 18:00:00 | 39.3 | ± 7.6 | 26.6 | ± 12.6 | 1014.9 | ± 8.5 | 9.2 | ± 3.4 | 8 | 8 | 12-25 19:00:00 | 38.0 | ± 7.5 | 24.0 | ± 9.8 | 1015.8 | ± 8.1 | 6.9 | ± 3.2 | 15 | 15 | 12-25 20:00:00 | 39.9 | ± 8.1 | 27.0 | ± 10.5 | 1014.3 | ± 8.3 | 9.4 | ± 3.6 | 8 | 8 | 12-25 21:00:00 | 37.8 | ± 7.6 | 24.0 | ± 7.2 | 1015.7 | ± 8.3 | 6.9 | ± 2.9 | 8 | 8 | 12-25 22:00:00 | 38.1 | ± 7.2 | 25.4 | ± 9.8 | 1015.0 | ± 8.5 | 6.2 | ± 3.5 | 8 | 12-25 23:00:00 | 36.6 | ± 7.1 | 24.9 | ± 8.7 | 1015.5 | ± 8.7 | 6.7 | ± 2.9 |