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 | 66.6 | ± 8.0 | 50.9 | ± 10.3 | 1014.9 | ± 5.6 | 7.0 | ± 4.1 | 66 | 34 | 17 | 3 | 5-21 01:00:00 | 64.9 | ± 8.1 | 51.7 | ± 9.8 | 1015.4 | ± 5.7 | 7.0 | ± 4.7 | 55 | 31 | 14 | 3 | 5-21 02:00:00 | 62.8 | ± 8.1 | 51.3 | ± 9.8 | 1015.6 | ± 5.8 | 6.4 | ± 4.8 | 55 | 31 | 21 | 3 | 5-21 03:00:00 | 61.7 | ± 8.2 | 51.0 | ± 9.3 | 1015.7 | ± 6.1 | 6.9 | ± 4.9 | 41 | 31 | 14 | 7 | 5-21 04:00:00 | 60.3 | ± 7.9 | 51.1 | ± 9.0 | 1015.8 | ± 5.9 | 5.6 | ± 4.3 | 48 | 34 | 24 | 10 | 3 | 5-21 05:00:00 | 58.9 | ± 7.3 | 51.1 | ± 9.2 | 1015.8 | ± 6.1 | 6.1 | ± 4.1 | 34 | 24 | 17 | 10 | 3 | 5-21 06:00:00 | 57.8 | ± 7.6 | 51.5 | ± 9.1 | 1015.4 | ± 5.8 | 6.1 | ± 3.6 | 45 | 34 | 17 | 3 | 3 | 5-21 07:00:00 | 56.6 | ± 7.5 | 51.7 | ± 8.8 | 1015.7 | ± 6.2 | 5.1 | ± 3.5 | 41 | 28 | 21 | 14 | 3 | 5-21 08:00:00 | 55.8 | ± 7.4 | 50.6 | ± 9.1 | 1015.7 | ± 6.1 | 5.3 | ± 3.9 | 34 | 24 | 21 | 10 | 5-21 09:00:00 | 55.9 | ± 7.3 | 51.3 | ± 8.9 | 1016.0 | ± 6.3 | 4.7 | ± 3.5 | 48 | 38 | 24 | 17 | 3 | 5-21 10:00:00 | 56.3 | ± 7.2 | 51.6 | ± 8.6 | 1016.4 | ± 6.3 | 4.7 | ± 3.5 | 41 | 28 | 17 | 10 | 7 | 5-21 11:00:00 | 57.9 | ± 6.8 | 51.8 | ± 8.5 | 1016.7 | ± 6.4 | 6.1 | ± 3.5 | 41 | 24 | 17 | 17 | 3 | 5-21 12:00:00 | 60.8 | ± 7.6 | 52.8 | ± 9.0 | 1017.2 | ± 6.4 | 7.2 | ± 3.6 | 41 | 24 | 17 | 17 | 10 | 5-21 13:00:00 | 63.0 | ± 7.6 | 52.7 | ± 8.5 | 1017.2 | ± 6.4 | 7.8 | ± 3.6 | 55 | 34 | 24 | 21 | 7 | 5-21 14:00:00 | 65.7 | ± 8.0 | 52.2 | ± 8.9 | 1017.3 | ± 6.6 | 9.1 | ± 4.0 | 45 | 31 | 17 | 14 | 3 | 5-21 15:00:00 | 67.0 | ± 8.3 | 52.1 | ± 9.3 | 1017.1 | ± 6.4 | 8.5 | ± 4.3 | 55 | 34 | 21 | 14 | 5-21 16:00:00 | 68.3 | ± 8.7 | 51.4 | ± 9.4 | 1016.7 | ± 6.4 | 9.4 | ± 4.5 | 76 | 48 | 21 | 17 | 3 | 5-21 17:00:00 | 70.0 | ± 9.2 | 51.4 | ± 8.9 | 1016.4 | ± 6.5 | 9.1 | ± 5.2 | 69 | 41 | 21 | 17 | 3 | 5-21 18:00:00 | 70.4 | ± 9.3 | 51.6 | ± 9.4 | 1016.4 | ± 6.1 | 10.1 | ± 5.0 | 66 | 38 | 24 | 14 | 5-21 19:00:00 | 71.0 | ± 9.0 | 51.4 | ± 9.4 | 1015.8 | ± 6.0 | 9.4 | ± 5.1 | 72 | 38 | 24 | 14 | 5-21 20:00:00 | 71.0 | ± 9.0 | 51.2 | ± 9.4 | 1015.5 | ± 5.9 | 8.9 | ± 4.8 | 72 | 38 | 21 | 10 | 5-21 21:00:00 | 70.1 | ± 8.2 | 51.0 | ± 9.9 | 1015.7 | ± 5.6 | 8.8 | ± 4.7 | 76 | 34 | 14 | 3 | 3 | 5-21 22:00:00 | 69.9 | ± 7.9 | 51.0 | ± 10.4 | 1015.5 | ± 5.5 | 8.7 | ± 6.0 | 66 | 34 | 10 | 10 | 3 | 5-21 23:00:00 | 68.0 | ± 7.6 | 51.1 | ± 9.8 | 1015.6 | ± 5.4 | 7.6 | ± 4.6 | 69 | 34 | 10 | 3 | 3 |