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) | 5-20 00:00:00 | 64.9 | ± 9.8 | 49.3 | ± 8.8 | 1015.9 | ± 6.1 | 7.2 | ± 5.5 | 53 | 21 | 9 | 6 | 5-20 01:00:00 | 61.9 | ± 8.7 | 50.0 | ± 8.9 | 1016.3 | ± 5.8 | 5.9 | ± 4.3 | 38 | 18 | 9 | 3 | 5-20 02:00:00 | 59.7 | ± 8.9 | 50.2 | ± 7.9 | 1016.8 | ± 5.9 | 5.9 | ± 5.6 | 50 | 24 | 9 | 6 | 3 | 5-20 03:00:00 | 58.4 | ± 8.2 | 50.0 | ± 7.7 | 1017.2 | ± 5.9 | 5.7 | ± 4.4 | 50 | 24 | 18 | 9 | 5-20 04:00:00 | 55.0 | ± 5.6 | 48.0 | ± 6.8 | 1017.2 | ± 5.9 | 6.7 | ± 4.5 | 24 | 9 | 6 | 6 | 5-20 05:00:00 | 54.9 | ± 5.4 | 47.0 | ± 6.6 | 1017.2 | ± 5.9 | 6.2 | ± 5.2 | 18 | 9 | 9 | 6 | 3 | 3 | 5-20 06:00:00 | 52.5 | ± 4.8 | 46.5 | ± 6.4 | 1017.0 | ± 6.0 | 6.1 | ± 3.5 | 18 | 9 | 6 | 6 | 5-20 07:00:00 | 52.2 | ± 5.3 | 46.5 | ± 6.5 | 1016.9 | ± 6.1 | 6.9 | ± 2.7 | 26 | 12 | 9 | 6 | 6 | 3 | 5-20 08:00:00 | 51.0 | ± 5.2 | 46.2 | ± 6.5 | 1016.7 | ± 6.2 | 5.6 | ± 3.1 | 15 | 3 | 3 | 3 | 5-20 09:00:00 | 50.5 | ± 5.4 | 45.6 | ± 7.5 | 1016.9 | ± 6.2 | 5.7 | ± 3.8 | 21 | 9 | 6 | 6 | 6 | 5-20 10:00:00 | 51.0 | ± 7.0 | 47.4 | ± 8.1 | 1017.0 | ± 6.3 | 5.7 | ± 4.3 | 32 | 18 | 15 | 6 | 6 | 5-20 11:00:00 | 52.4 | ± 7.4 | 47.5 | ± 7.9 | 1018.0 | ± 6.5 | 6.0 | ± 5.1 | 35 | 21 | 12 | 9 | 5-20 12:00:00 | 54.6 | ± 6.7 | 48.7 | ± 7.2 | 1018.3 | ± 6.5 | 7.5 | ± 5.5 | 38 | 26 | 15 | 12 | 5-20 13:00:00 | 57.5 | ± 7.5 | 49.3 | ± 7.7 | 1018.5 | ± 6.4 | 8.7 | ± 4.7 | 32 | 24 | 15 | 9 | 3 | 5-20 14:00:00 | 59.9 | ± 8.0 | 48.5 | ± 7.7 | 1018.5 | ± 6.5 | 11.1 | ± 4.5 | 38 | 26 | 18 | 6 | 3 | 5-20 15:00:00 | 61.3 | ± 9.0 | 47.8 | ± 8.0 | 1018.0 | ± 6.4 | 9.5 | ± 5.0 | 44 | 32 | 24 | 6 | 5-20 16:00:00 | 63.1 | ± 9.0 | 46.6 | ± 8.1 | 1017.9 | ± 6.4 | 12.3 | ± 4.6 | 47 | 35 | 18 | 9 | 5-20 17:00:00 | 63.0 | ± 7.7 | 45.3 | ± 7.3 | 1017.5 | ± 6.2 | 12.5 | ± 5.1 | 47 | 32 | 15 | 3 | 5-20 18:00:00 | 65.6 | ± 10.2 | 46.8 | ± 8.9 | 1017.2 | ± 6.1 | 11.6 | ± 3.5 | 56 | 41 | 15 | 5-20 19:00:00 | 66.9 | ± 10.2 | 46.0 | ± 8.8 | 1016.8 | ± 6.0 | 11.7 | ± 4.3 | 56 | 35 | 12 | 3 | 5-20 20:00:00 | 68.7 | ± 11.0 | 46.6 | ± 9.6 | 1016.5 | ± 5.7 | 12.0 | ± 4.9 | 59 | 32 | 12 | 3 | 5-20 21:00:00 | 68.8 | ± 11.1 | 45.5 | ± 9.8 | 1016.3 | ± 5.5 | 12.0 | ± 4.0 | 56 | 29 | 9 | 6 | 3 | 5-20 22:00:00 | 68.3 | ± 11.0 | 44.5 | ± 10.3 | 1016.3 | ± 5.3 | 12.6 | ± 3.9 | 50 | 32 | 9 | 3 | 5-20 23:00:00 | 67.2 | ± 10.4 | 44.9 | ± 10.6 | 1016.4 | ± 5.2 | 11.8 | ± 4.4 | 41 | 24 | 9 | 3 |