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 | 58.9 | ± 9.1 | 39.8 | ± 10.6 | 1015.9 | ± 7.2 | 9.0 | ± 4.5 | 48 | 28 | 3 | 4-21 01:00:00 | 56.8 | ± 8.5 | 40.1 | ± 11.3 | 1016.4 | ± 7.0 | 7.9 | ± 5.3 | 48 | 24 | 3 | 4-21 02:00:00 | 55.6 | ± 8.5 | 39.9 | ± 11.3 | 1016.8 | ± 7.0 | 8.0 | ± 4.8 | 48 | 17 | 3 | 4-21 03:00:00 | 54.2 | ± 8.3 | 40.5 | ± 10.7 | 1017.0 | ± 7.0 | 8.1 | ± 5.0 | 45 | 10 | 3 | 4-21 04:00:00 | 52.9 | ± 8.2 | 40.9 | ± 11.5 | 1017.0 | ± 7.0 | 8.1 | ± 4.6 | 34 | 14 | 3 | 4-21 05:00:00 | 52.0 | ± 8.3 | 40.3 | ± 10.9 | 1017.1 | ± 7.2 | 7.0 | ± 4.8 | 45 | 17 | 7 | 4-21 06:00:00 | 50.5 | ± 7.9 | 39.8 | ± 9.9 | 1017.2 | ± 7.4 | 6.2 | ± 4.4 | 45 | 17 | 10 | 3 | 3 | 4-21 07:00:00 | 49.4 | ± 7.7 | 39.8 | ± 10.4 | 1017.0 | ± 7.7 | 6.5 | ± 4.6 | 31 | 14 | 7 | 3 | 3 | 4-21 08:00:00 | 48.5 | ± 7.6 | 39.0 | ± 9.6 | 1016.9 | ± 7.7 | 6.9 | ± 4.4 | 48 | 24 | 10 | 3 | 3 | 4-21 09:00:00 | 48.4 | ± 7.5 | 40.0 | ± 9.7 | 1016.9 | ± 7.8 | 6.3 | ± 4.7 | 55 | 31 | 17 | 3 | 3 | 4-21 10:00:00 | 47.6 | ± 7.1 | 39.2 | ± 9.3 | 1017.0 | ± 7.8 | 6.0 | ± 4.2 | 62 | 45 | 21 | 3 | 3 | 4-21 11:00:00 | 48.0 | ± 6.9 | 39.8 | ± 9.5 | 1017.3 | ± 7.8 | 6.1 | ± 4.7 | 62 | 41 | 17 | 3 | 3 | 4-21 12:00:00 | 49.9 | ± 6.4 | 40.9 | ± 9.5 | 1017.8 | ± 7.8 | 6.7 | ± 5.3 | 52 | 38 | 17 | 7 | 3 | 4-21 13:00:00 | 52.5 | ± 6.2 | 40.8 | ± 10.1 | 1017.9 | ± 7.8 | 8.0 | ± 5.0 | 55 | 34 | 17 | 10 | 3 | 4-21 14:00:00 | 54.7 | ± 6.7 | 40.5 | ± 10.2 | 1017.8 | ± 7.9 | 8.7 | ± 4.9 | 55 | 38 | 14 | 7 | 3 | 4-21 15:00:00 | 56.6 | ± 7.0 | 41.5 | ± 10.7 | 1017.6 | ± 8.0 | 9.9 | ± 4.8 | 48 | 34 | 7 | 3 | 4-21 16:00:00 | 58.8 | ± 7.9 | 41.1 | ± 11.5 | 1017.7 | ± 7.8 | 9.9 | ± 4.1 | 59 | 38 | 10 | 3 | 3 | 4-21 17:00:00 | 60.3 | ± 8.4 | 40.5 | ± 11.7 | 1016.7 | ± 7.6 | 10.9 | ± 4.1 | 66 | 41 | 10 | 7 | 3 | 4-21 18:00:00 | 61.7 | ± 9.3 | 42.2 | ± 12.2 | 1016.2 | ± 7.7 | 10.8 | ± 4.4 | 62 | 41 | 7 | 3 | 3 | 4-21 19:00:00 | 62.5 | ± 9.7 | 40.7 | ± 12.4 | 1015.8 | ± 7.3 | 10.5 | ± 4.9 | 72 | 52 | 14 | 3 | 3 | 4-21 20:00:00 | 63.1 | ± 9.9 | 40.6 | ± 12.5 | 1015.1 | ± 7.4 | 10.7 | ± 4.3 | 79 | 55 | 17 | 7 | 4-21 21:00:00 | 63.6 | ± 10.0 | 41.4 | ± 12.7 | 1014.9 | ± 7.1 | 10.7 | ± 4.2 | 69 | 45 | 21 | 10 | 4-21 22:00:00 | 63.0 | ± 10.0 | 39.3 | ± 12.9 | 1014.9 | ± 7.1 | 11.1 | ± 4.3 | 79 | 62 | 21 | 3 | 4-21 23:00:00 | 61.2 | ± 9.6 | 38.0 | ± 13.5 | 1014.7 | ± 7.3 | 10.2 | ± 4.5 | 62 | 41 | 17 |