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 | 59.6 | ± 7.6 | 43.6 | ± 6.8 | 1017.5 | ± 3.6 | 4.3 | ± 3.7 | 50 | 38 | 4-21 01:00:00 | 56.1 | ± 9.3 | 44.5 | ± 5.3 | 1017.2 | ± 4.0 | 2.9 | ± 2.9 | 50 | 38 | 4-21 02:00:00 | 54.5 | ± 10.2 | 44.2 | ± 5.8 | 1017.5 | ± 3.9 | 2.8 | ± 3.3 | 63 | 38 | 13 | 13 | 4-21 03:00:00 | 53.1 | ± 11.0 | 43.9 | ± 5.7 | 1017.4 | ± 3.9 | 3.3 | ± 5.0 | 63 | 25 | 13 | 4-21 04:00:00 | 52.3 | ± 10.2 | 45.1 | ± 6.4 | 1017.5 | ± 4.2 | 3.3 | ± 4.4 | 50 | 25 | 13 | 4-21 05:00:00 | 51.9 | ± 10.3 | 44.3 | ± 6.8 | 1017.5 | ± 4.2 | 5.5 | ± 4.3 | 75 | 38 | 13 | 4-21 06:00:00 | 50.1 | ± 9.7 | 44.4 | ± 7.5 | 1017.2 | ± 4.3 | 4.6 | ± 4.9 | 63 | 38 | 13 | 4-21 07:00:00 | 48.8 | ± 9.9 | 43.7 | ± 7.8 | 1015.9 | ± 5.0 | 3.3 | ± 3.3 | 50 | 38 | 13 | 13 | 4-21 08:00:00 | 48.2 | ± 9.7 | 43.5 | ± 7.8 | 1016.1 | ± 5.1 | 2.8 | ± 2.7 | 75 | 63 | 13 | 13 | 4-21 09:00:00 | 47.4 | ± 9.7 | 42.8 | ± 7.1 | 1016.2 | ± 5.1 | 3.6 | ± 4.3 | 88 | 63 | 38 | 13 | 4-21 10:00:00 | 46.9 | ± 8.7 | 42.6 | ± 7.4 | 1016.5 | ± 5.3 | 4.3 | ± 4.5 | 88 | 75 | 38 | 13 | 4-21 11:00:00 | 47.5 | ± 8.3 | 42.2 | ± 7.2 | 1017.2 | ± 5.2 | 4.6 | ± 4.9 | 75 | 75 | 25 | 13 | 4-21 12:00:00 | 49.9 | ± 6.4 | 43.5 | ± 5.2 | 1017.7 | ± 5.5 | 6.4 | ± 3.4 | 88 | 75 | 25 | 13 | 4-21 13:00:00 | 52.8 | ± 6.3 | 43.1 | ± 6.3 | 1017.8 | ± 5.5 | 6.4 | ± 4.1 | 75 | 38 | 25 | 25 | 4-21 14:00:00 | 56.1 | ± 6.1 | 43.6 | ± 7.8 | 1017.8 | ± 5.7 | 7.6 | ± 3.8 | 75 | 38 | 25 | 25 | 4-21 15:00:00 | 57.8 | ± 5.9 | 44.3 | ± 8.2 | 1017.7 | ± 6.2 | 7.1 | ± 2.4 | 63 | 38 | 25 | 13 | 4-21 16:00:00 | 59.2 | ± 6.0 | 44.2 | ± 9.1 | 1017.6 | ± 6.0 | 7.1 | ± 1.4 | 88 | 50 | 25 | 13 | 13 | 4-21 17:00:00 | 60.2 | ± 6.7 | 44.3 | ± 9.7 | 1017.0 | ± 6.2 | 7.6 | ± 2.4 | 75 | 50 | 13 | 13 | 13 | 4-21 18:00:00 | 60.0 | ± 8.0 | 45.3 | ± 9.8 | 1016.7 | ± 6.3 | 8.8 | ± 4.3 | 88 | 63 | 13 | 13 | 13 | 4-21 19:00:00 | 60.1 | ± 8.8 | 46.1 | ± 9.4 | 1016.5 | ± 6.5 | 6.9 | ± 5.4 | 75 | 75 | 13 | 13 | 13 | 4-21 20:00:00 | 60.3 | ± 9.2 | 46.4 | ± 10.1 | 1015.7 | ± 6.3 | 7.0 | ± 3.8 | 88 | 75 | 25 | 25 | 4-21 21:00:00 | 59.2 | ± 8.6 | 46.2 | ± 10.7 | 1015.4 | ± 6.3 | 8.0 | ± 3.4 | 88 | 75 | 38 | 25 | 4-21 22:00:00 | 58.9 | ± 8.6 | 45.3 | ± 10.7 | 1015.3 | ± 6.3 | 6.9 | ± 4.1 | 88 | 88 | 50 | 4-21 23:00:00 | 57.5 | ± 8.1 | 45.2 | ± 10.7 | 1015.2 | ± 6.1 | 7.5 | ± 3.4 | 75 | 63 | 50 |