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 | 64.6 | ± 10.4 | 45.5 | ± 10.1 | 1016.8 | ± 5.1 | 8.2 | ± 2.9 | 44 | 29 | 6 | 3 | 5-21 01:00:00 | 61.9 | ± 10.2 | 47.4 | ± 9.5 | 1016.9 | ± 4.8 | 5.9 | ± 4.4 | 35 | 24 | 3 | 3 | 5-21 02:00:00 | 59.4 | ± 10.6 | 47.4 | ± 9.3 | 1017.4 | ± 4.6 | 7.0 | ± 3.2 | 32 | 21 | 6 | 3 | 3 | 5-21 03:00:00 | 58.0 | ± 9.4 | 46.4 | ± 9.8 | 1017.7 | ± 4.5 | 6.3 | ± 3.4 | 32 | 21 | 12 | 3 | 3 | 5-21 04:00:00 | 54.3 | ± 8.0 | 45.7 | ± 8.0 | 1017.7 | ± 4.3 | 6.8 | ± 2.6 | 15 | 9 | 9 | 3 | 3 | 5-21 05:00:00 | 53.4 | ± 7.8 | 45.4 | ± 8.3 | 1017.6 | ± 4.2 | 6.3 | ± 3.3 | 21 | 15 | 9 | 3 | 3 | 5-21 06:00:00 | 51.8 | ± 7.5 | 45.3 | ± 8.4 | 1017.4 | ± 4.2 | 6.5 | ± 3.3 | 18 | 15 | 9 | 6 | 3 | 5-21 07:00:00 | 50.7 | ± 8.0 | 45.7 | ± 8.8 | 1017.1 | ± 4.2 | 5.2 | ± 2.8 | 15 | 15 | 9 | 9 | 3 | 5-21 08:00:00 | 50.4 | ± 7.8 | 45.3 | ± 9.1 | 1017.1 | ± 4.3 | 6.4 | ± 4.4 | 15 | 15 | 12 | 9 | 3 | 5-21 09:00:00 | 48.4 | ± 8.7 | 45.2 | ± 9.5 | 1017.1 | ± 4.4 | 6.0 | ± 3.5 | 24 | 18 | 12 | 12 | 6 | 5-21 10:00:00 | 48.2 | ± 8.8 | 44.2 | ± 9.7 | 1017.4 | ± 4.6 | 4.2 | ± 3.2 | 18 | 15 | 12 | 12 | 3 | 5-21 11:00:00 | 49.5 | ± 8.1 | 45.8 | ± 8.8 | 1017.8 | ± 4.8 | 4.4 | ± 3.3 | 29 | 21 | 18 | 15 | 6 | 5-21 12:00:00 | 54.1 | ± 8.5 | 47.7 | ± 9.5 | 1018.2 | ± 4.9 | 5.3 | ± 3.3 | 29 | 26 | 15 | 12 | 3 | 5-21 13:00:00 | 58.4 | ± 8.0 | 48.3 | ± 8.9 | 1018.3 | ± 5.0 | 6.7 | ± 4.9 | 35 | 29 | 15 | 12 | 3 | 5-21 14:00:00 | 62.0 | ± 8.9 | 48.8 | ± 9.0 | 1018.1 | ± 5.4 | 7.7 | ± 5.0 | 47 | 38 | 21 | 15 | 3 | 5-21 15:00:00 | 65.1 | ± 9.2 | 49.0 | ± 9.8 | 1017.8 | ± 5.4 | 9.3 | ± 6.1 | 44 | 32 | 15 | 12 | 3 | 5-21 16:00:00 | 66.5 | ± 9.4 | 49.3 | ± 10.7 | 1017.4 | ± 5.7 | 10.5 | ± 4.9 | 59 | 32 | 21 | 6 | 5-21 17:00:00 | 68.2 | ± 9.3 | 48.4 | ± 10.6 | 1017.2 | ± 5.8 | 10.5 | ± 5.6 | 62 | 32 | 18 | 9 | 5-21 18:00:00 | 68.3 | ± 9.8 | 47.0 | ± 11.9 | 1016.9 | ± 5.9 | 10.3 | ± 6.6 | 59 | 29 | 12 | 6 | 5-21 19:00:00 | 69.5 | ± 9.8 | 47.6 | ± 10.4 | 1016.5 | ± 5.8 | 10.7 | ± 5.8 | 59 | 26 | 12 | 9 | 5-21 20:00:00 | 69.3 | ± 8.9 | 47.5 | ± 10.4 | 1016.0 | ± 6.0 | 12.3 | ± 6.7 | 47 | 18 | 9 | 3 | 3 | 5-21 21:00:00 | 69.2 | ± 8.6 | 46.5 | ± 10.7 | 1015.9 | ± 5.9 | 11.0 | ± 6.8 | 47 | 21 | 3 | 3 | 5-21 22:00:00 | 68.3 | ± 7.9 | 46.7 | ± 11.4 | 1015.9 | ± 5.6 | 12.8 | ± 5.4 | 47 | 29 | 6 | 3 | 5-21 23:00:00 | 67.7 | ± 8.3 | 46.0 | ± 11.3 | 1016.0 | ± 5.5 | 9.2 | ± 5.3 | 41 | 12 | 3 | 3 |