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 | 63.4 | ± 8.8 | 47.3 | ± 10.3 | 1015.7 | ± 6.2 | 7.4 | ± 4.0 | 58 | 33 | 17 | 5-21 01:00:00 | 60.8 | ± 7.7 | 46.6 | ± 9.8 | 1016.4 | ± 5.9 | 7.5 | ± 3.4 | 67 | 25 | 17 | 5-21 02:00:00 | 58.9 | ± 7.7 | 46.6 | ± 9.2 | 1016.7 | ± 5.8 | 6.6 | ± 3.4 | 67 | 25 | 17 | 5-21 03:00:00 | 57.5 | ± 7.4 | 46.7 | ± 9.1 | 1016.8 | ± 6.0 | 6.6 | ± 3.3 | 67 | 33 | 17 | 5-21 04:00:00 | 55.9 | ± 8.0 | 46.6 | ± 9.3 | 1016.9 | ± 6.1 | 6.0 | ± 3.4 | 50 | 42 | 25 | 8 | 5-21 05:00:00 | 54.8 | ± 7.9 | 46.6 | ± 9.2 | 1016.8 | ± 6.1 | 6.2 | ± 3.1 | 58 | 50 | 25 | 8 | 8 | 5-21 06:00:00 | 53.6 | ± 8.3 | 46.7 | ± 9.5 | 1016.7 | ± 6.1 | 5.4 | ± 3.4 | 58 | 50 | 25 | 8 | 5-21 07:00:00 | 52.5 | ± 8.2 | 46.9 | ± 9.2 | 1016.7 | ± 6.3 | 5.3 | ± 3.3 | 58 | 50 | 33 | 25 | 5-21 08:00:00 | 51.8 | ± 7.9 | 46.3 | ± 9.2 | 1016.6 | ± 6.3 | 5.5 | ± 3.3 | 58 | 50 | 33 | 33 | 17 | 5-21 09:00:00 | 51.5 | ± 7.9 | 46.5 | ± 9.4 | 1017.0 | ± 6.3 | 5.0 | ± 3.1 | 67 | 67 | 33 | 25 | 8 | 5-21 10:00:00 | 52.2 | ± 8.3 | 46.8 | ± 9.2 | 1016.9 | ± 6.7 | 5.3 | ± 2.9 | 67 | 58 | 33 | 17 | 17 | 5-21 11:00:00 | 53.4 | ± 7.8 | 47.9 | ± 8.6 | 1017.7 | ± 6.6 | 5.6 | ± 3.7 | 67 | 58 | 25 | 17 | 17 | 5-21 12:00:00 | 56.5 | ± 7.9 | 49.1 | ± 8.4 | 1017.5 | ± 6.9 | 6.8 | ± 3.3 | 75 | 58 | 25 | 17 | 8 | 5-21 13:00:00 | 58.7 | ± 7.3 | 49.3 | ± 8.1 | 1017.9 | ± 6.5 | 6.8 | ± 3.9 | 75 | 50 | 25 | 17 | 8 | 5-21 14:00:00 | 61.2 | ± 7.6 | 49.4 | ± 8.0 | 1017.8 | ± 6.5 | 7.9 | ± 4.7 | 75 | 58 | 25 | 8 | 8 | 5-21 15:00:00 | 63.8 | ± 8.4 | 49.2 | ± 8.3 | 1017.3 | ± 6.8 | 9.0 | ± 4.6 | 75 | 50 | 25 | 17 | 5-21 16:00:00 | 64.9 | ± 8.2 | 49.1 | ± 8.2 | 1017.4 | ± 6.3 | 9.0 | ± 4.6 | 75 | 58 | 33 | 8 | 8 | 5-21 17:00:00 | 66.5 | ± 8.5 | 48.9 | ± 8.2 | 1016.7 | ± 6.5 | 10.1 | ± 5.5 | 75 | 58 | 33 | 8 | 5-21 18:00:00 | 67.1 | ± 8.7 | 49.4 | ± 8.6 | 1016.8 | ± 5.9 | 10.7 | ± 4.5 | 75 | 58 | 25 | 5-21 19:00:00 | 67.8 | ± 8.8 | 48.6 | ± 9.5 | 1016.5 | ± 5.7 | 11.1 | ± 4.7 | 75 | 50 | 25 | 8 | 5-21 20:00:00 | 67.9 | ± 8.8 | 48.0 | ± 8.9 | 1016.4 | ± 5.5 | 10.8 | ± 4.1 | 83 | 50 | 25 | 5-21 21:00:00 | 67.3 | ± 8.9 | 47.7 | ± 9.2 | 1016.3 | ± 5.4 | 10.1 | ± 4.1 | 75 | 33 | 17 | 5-21 22:00:00 | 66.3 | ± 8.7 | 47.5 | ± 9.4 | 1016.4 | ± 5.3 | 9.7 | ± 4.4 | 83 | 67 | 17 | 5-21 23:00:00 | 65.0 | ± 8.2 | 47.1 | ± 8.7 | 1016.5 | ± 5.1 | 7.6 | ± 3.2 | 67 | 17 | 8 |