The Pennsylvania State Climatologist is a service to the Commonwealth by the College of Earth and Mineral Sciences and Penn State.

Philadelphia

Climatic Data - Provides the norm's and "records", including Temperatures, heating & cooling degree days, percent of possible sunshine, sky cover, precipitation, relative humidity, and sunrise/set times.

Hourly Observations - Provides hourly weather observations for the period of record.

Daily Weather Archives - Provides the daily maximum temperature, minimum temperature, average temperature, Heating & Cooling Degree Days, Growing Degree Days, Average Dewpoint, Average Relative Humidity, Average Wind Speed, Average Wind Direction, Average Pressure, and the Total Precipitation.

Means & Extremes - Contains the Daily Mean Temperatures and the Daily Extremes (record max, min, precipitation, and snowfall) including the year in which they occurred.

2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968 1967 1966 1965 1964 1963 1962 1961 1960 1959 1958 1957 1956 1955 1954 1953 1952 1951 1950 1949 1948

Date	High Temp.	Low Temp.	Avg Temp.	Temp Departure	HDD	CDD	GDD	Avg Dewpoint	Avg RH	Avg Wind Speed	Avg Wind Dir	Avg Press	Total Precip	# obs
2023-02-01	39	30	34	0	31	0	0	19	53	7	276	1024.9	0.01	24
Date	High Temp.	Low Temp.	Avg Temp.	Temp Departure	HDD	CDD	GDD	Avg Dewpoint	Avg RH	Avg Wind Speed	Avg Wind Dir	Avg Press	Total Precip	# obs
2023-01-31	44	35	38	4	27	0	0	32	79	7	271	1022.3	0.02	24
2023-01-30	54	37	45	12	20	0	0	38	80	4	194	1021.1		24
2023-01-29	52	34	44	11	21	0	0	34	71	8	136	1023.5	Trace	24
2023-01-28	52	32	43	10	22	0	0	28	55	9	195	1025.0		24
2023-01-27	42	33	38	5	27	0	0	22	54	8	243	1020.2		24
2023-01-26	57	39	46	13	19	0	0	34	63	16	263	1006.6	0.26	24
2023-01-25	58	30	42	9	23	0	0	36	81	10	89	1017.1	0.70	24
2023-01-24	48	35	40	7	25	0	0	26	58	11	247	1022.4		24
2023-01-23	42	38	40	7	25	0	0	34	81	12	288	1007.0	0.20	24
2023-01-22	43	34	38	5	27	0	0	31	76	6	104	1017.6	0.59	24
2023-01-21	42	38	40	7	25	0	0	27	59	9	300	1021.3		24
2023-01-20	48	39	45	12	20	0	0	33	66	13	272	1008.7		24
2023-01-19	45	37	43	10	22	0	0	39	89	5	91	1011.4	1.10	24
2023-01-18	54	42	48	15	17	0	0	38	72	12	267	1011.6	Trace	24
2023-01-17	46	35	41	8	24	0	0	28	60	6	170	1007.2	Trace	24
2023-01-16	50	29	39	6	26	0	0	13	35	10	313	1013.8		24
2023-01-15	43	28	35	2	30	0	0	19	53	16	340	1017.0		24
2023-01-14	36	30	33	0	32	0	0	20	60	18	344	1011.6		24
2023-01-13	58	37	48	14	17	0	0	39	70	16	278	1003.9	0.02	24
2023-01-12	59	38	49	15	16	0	0	43	80	8	120	1015.2	0.09	24
2023-01-11	45	30	38	4	27	0	0	29	70	5	103	1023.0		24
2023-01-10	44	33	39	5	26	0	0	27	62	7	204	1018.4		24
2023-01-09	44	38	40	6	25	0	0	30	70	8	248	1015.7	0.07	24
2023-01-08	43	33	39	5	26	0	0	29	65	7	222	1025.0		24
2023-01-07	46	39	43	9	22	0	0	29	58	11	290	1022.9		24
2023-01-06	49	41	46	12	19	0	0	36	71	9	221	1017.2	0.07	24
2023-01-05	62	47	55	21	10	0	0	49	80	6	158	1013.5	0.17	24
2023-01-04	65	53	59	24	6	0	4	55	86	6	202	1010.5	Trace	24
2023-01-03	61	48	54	19	11	0	0	50	85	5	142	1013.9	0.07	24
2023-01-02	56	39	48	13	18	0	0	42	83	3	97	1020.1	Trace	24
2023-01-01	56	40	48	13	17	0	0	41	80	7	231	1014.5		22

Mailing Address:

Pennsylvania State Climatologist
503 Walker Building
University Park, PA 16802

Online:

Data Request Form

E-mail:

psc@meteo.psu.edu

Phone:

814-865-8732