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) | 4-21 00:00:00 | 61.6 | ± 10.3 | 39.9 | ± 11.5 | 1014.6 | ± 4.2 | 4.8 | ± 4.4 | 46 | 31 | 8 | 8 | 4-21 01:00:00 | 58.4 | ± 9.7 | 40.5 | ± 10.2 | 1015.6 | ± 4.3 | 4.7 | ± 3.7 | 38 | 23 | 8 | 8 | 4-21 02:00:00 | 55.8 | ± 9.5 | 41.0 | ± 8.4 | 1016.0 | ± 4.4 | 5.7 | ± 3.5 | 31 | 15 | 8 | 8 | 4-21 03:00:00 | 54.5 | ± 9.3 | 41.2 | ± 8.7 | 1016.1 | ± 4.6 | 4.8 | ± 3.3 | 8 | 8 | 8 | 8 | 4-21 04:00:00 | 54.7 | ± 7.0 | 42.5 | ± 10.8 | 1017.0 | ± 4.2 | 6.6 | ± 2.8 | 8 | 8 | 8 | 8 | 4-21 05:00:00 | 52.8 | ± 7.5 | 41.1 | ± 10.8 | 1016.4 | ± 4.4 | 6.0 | ± 2.0 | 8 | 8 | 8 | 8 | 4-21 06:00:00 | 51.9 | ± 7.6 | 40.9 | ± 10.5 | 1016.0 | ± 4.8 | 4.1 | ± 3.3 | 8 | 8 | 8 | 8 | 4-21 07:00:00 | 50.2 | ± 9.8 | 43.3 | ± 8.2 | 1015.1 | ± 4.8 | 4.2 | ± 3.9 | 8 | 8 | 8 | 8 | 4-21 08:00:00 | 50.4 | ± 9.4 | 40.9 | ± 10.3 | 1015.2 | ± 5.2 | 4.6 | ± 4.4 | 8 | 8 | 8 | 8 | 4-21 09:00:00 | 49.0 | ± 9.1 | 40.5 | ± 9.6 | 1015.8 | ± 5.3 | 3.4 | ± 2.8 | 38 | 15 | 8 | 8 | 4-21 10:00:00 | 47.9 | ± 8.3 | 39.9 | ± 8.8 | 1015.9 | ± 5.0 | 4.0 | ± 3.7 | 31 | 23 | 15 | 15 | 4-21 11:00:00 | 48.8 | ± 6.9 | 40.7 | ± 7.5 | 1016.2 | ± 5.6 | 5.5 | ± 4.5 | 38 | 31 | 15 | 15 | 4-21 12:00:00 | 50.3 | ± 6.8 | 41.3 | ± 7.7 | 1016.5 | ± 5.8 | 6.7 | ± 4.3 | 54 | 38 | 15 | 15 | 4-21 13:00:00 | 53.3 | ± 6.4 | 42.1 | ± 7.6 | 1016.6 | ± 6.1 | 7.4 | ± 5.2 | 54 | 38 | 23 | 23 | 4-21 14:00:00 | 55.9 | ± 6.9 | 42.5 | ± 9.0 | 1016.6 | ± 6.1 | 7.7 | ± 3.8 | 54 | 31 | 15 | 15 | 4-21 15:00:00 | 58.3 | ± 7.0 | 41.9 | ± 9.3 | 1016.4 | ± 6.4 | 7.6 | ± 5.0 | 54 | 31 | 15 | 15 | 4-21 16:00:00 | 60.5 | ± 8.1 | 42.2 | ± 9.4 | 1015.9 | ± 6.6 | 9.3 | ± 4.2 | 54 | 23 | 15 | 15 | 4-21 17:00:00 | 60.8 | ± 8.5 | 41.9 | ± 9.1 | 1015.0 | ± 7.0 | 9.7 | ± 3.6 | 54 | 31 | 8 | 8 | 4-21 18:00:00 | 62.0 | ± 9.0 | 41.5 | ± 8.6 | 1014.5 | ± 7.0 | 7.9 | ± 4.5 | 69 | 31 | 4-21 19:00:00 | 63.8 | ± 8.6 | 40.8 | ± 8.5 | 1015.0 | ± 6.8 | 8.9 | ± 3.2 | 77 | 38 | 4-21 20:00:00 | 62.7 | ± 9.7 | 43.5 | ± 8.7 | 1013.1 | ± 7.5 | 8.9 | ± 4.2 | 77 | 46 | 8 | 8 | 4-21 21:00:00 | 61.2 | ± 9.3 | 41.4 | ± 9.9 | 1013.2 | ± 7.3 | 9.8 | ± 4.2 | 77 | 31 | 8 | 8 | 4-21 22:00:00 | 61.0 | ± 9.5 | 40.8 | ± 10.9 | 1014.3 | ± 7.0 | 7.7 | ± 4.2 | 77 | 54 | 8 | 8 | 4-21 23:00:00 | 58.7 | ± 9.8 | 40.6 | ± 10.7 | 1013.7 | ± 7.5 | 7.0 | ± 4.4 | 69 | 31 | 8 | 8 |