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 | 58.9 | ± 8.3 | 49.1 | ± 9.3 | 1015.6 | ± 6.0 | 7.7 | ± 4.6 | 68 | 56 | 41 | 35 | 29 | 18 | 5-21 01:00:00 | 57.0 | ± 7.8 | 48.7 | ± 8.7 | 1016.0 | ± 5.8 | 7.3 | ± 3.7 | 71 | 50 | 35 | 29 | 24 | 15 | 5-21 02:00:00 | 55.9 | ± 7.9 | 48.4 | ± 8.3 | 1016.2 | ± 5.9 | 6.3 | ± 3.4 | 71 | 53 | 26 | 21 | 21 | 12 | 5-21 03:00:00 | 54.7 | ± 8.1 | 49.0 | ± 8.1 | 1016.0 | ± 5.9 | 7.0 | ± 4.0 | 71 | 53 | 35 | 29 | 26 | 21 | 5-21 04:00:00 | 53.9 | ± 8.0 | 48.5 | ± 8.3 | 1016.7 | ± 5.6 | 6.9 | ± 4.6 | 74 | 44 | 26 | 21 | 18 | 12 | 5-21 05:00:00 | 53.3 | ± 8.1 | 47.5 | ± 8.1 | 1016.6 | ± 5.6 | 7.8 | ± 4.9 | 71 | 50 | 29 | 26 | 21 | 15 | 5-21 06:00:00 | 53.2 | ± 8.7 | 47.8 | ± 8.7 | 1016.2 | ± 5.9 | 8.1 | ± 4.9 | 68 | 53 | 41 | 32 | 29 | 24 | 5-21 07:00:00 | 52.1 | ± 7.7 | 46.9 | ± 8.2 | 1016.1 | ± 5.9 | 7.7 | ± 4.6 | 71 | 53 | 35 | 24 | 24 | 18 | 5-21 08:00:00 | 51.7 | ± 7.8 | 46.3 | ± 8.1 | 1016.3 | ± 6.0 | 7.8 | ± 4.1 | 65 | 53 | 38 | 26 | 18 | 15 | 5-21 09:00:00 | 51.2 | ± 7.5 | 46.4 | ± 8.3 | 1016.5 | ± 5.8 | 7.2 | ± 4.1 | 65 | 53 | 44 | 32 | 26 | 18 | 5-21 10:00:00 | 51.5 | ± 7.0 | 46.5 | ± 8.1 | 1017.0 | ± 5.8 | 6.9 | ± 4.4 | 68 | 59 | 47 | 26 | 21 | 15 | 5-21 11:00:00 | 53.2 | ± 6.6 | 47.2 | ± 7.8 | 1017.4 | ± 5.8 | 8.9 | ± 4.8 | 65 | 56 | 35 | 24 | 18 | 12 | 5-21 12:00:00 | 56.0 | ± 6.8 | 48.2 | ± 8.4 | 1017.7 | ± 5.6 | 9.2 | ± 4.7 | 59 | 53 | 47 | 32 | 29 | 24 | 5-21 13:00:00 | 58.1 | ± 7.5 | 48.6 | ± 8.5 | 1018.0 | ± 5.6 | 9.7 | ± 5.3 | 62 | 53 | 38 | 26 | 15 | 12 | 5-21 14:00:00 | 59.5 | ± 8.6 | 48.1 | ± 9.1 | 1018.0 | ± 5.5 | 10.3 | ± 4.8 | 56 | 50 | 35 | 26 | 12 | 12 | 5-21 15:00:00 | 60.9 | ± 9.3 | 49.1 | ± 9.0 | 1018.2 | ± 5.4 | 10.6 | ± 4.7 | 62 | 56 | 41 | 26 | 21 | 18 | 5-21 16:00:00 | 62.0 | ± 9.7 | 48.6 | ± 8.7 | 1018.0 | ± 5.3 | 10.9 | ± 5.1 | 53 | 47 | 26 | 15 | 6 | 6 | 5-21 17:00:00 | 62.4 | ± 9.3 | 48.9 | ± 8.3 | 1017.8 | ± 5.3 | 11.2 | ± 4.9 | 50 | 44 | 24 | 18 | 9 | 9 | 5-21 18:00:00 | 63.2 | ± 9.0 | 49.1 | ± 8.4 | 1017.6 | ± 5.2 | 11.4 | ± 5.0 | 50 | 47 | 26 | 24 | 18 | 15 | 5-21 19:00:00 | 63.6 | ± 9.1 | 48.0 | ± 9.3 | 1017.3 | ± 5.2 | 11.9 | ± 4.7 | 56 | 50 | 26 | 12 | 12 | 12 | 5-21 20:00:00 | 63.6 | ± 9.3 | 47.9 | ± 9.4 | 1017.1 | ± 5.0 | 10.8 | ± 4.8 | 56 | 47 | 24 | 12 | 12 | 12 | 5-21 21:00:00 | 63.0 | ± 9.1 | 47.8 | ± 9.1 | 1017.0 | ± 5.0 | 10.6 | ± 4.6 | 50 | 41 | 21 | 18 | 18 | 18 | 5-21 22:00:00 | 62.0 | ± 8.9 | 47.3 | ± 9.1 | 1016.9 | ± 5.0 | 10.2 | ± 4.9 | 41 | 38 | 21 | 12 | 12 | 12 | 5-21 23:00:00 | 61.1 | ± 8.7 | 46.9 | ± 8.9 | 1016.9 | ± 4.8 | 9.6 | ± 4.8 | 32 | 26 | 18 | 15 | 12 | 12 |