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

Altoona

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.

2024 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

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
2024-05-04	61	50	53	-4	12	0	0	49	85	7	132	1021.7	0.47	24
2024-05-03	81	54	67	10	0	2	12	48	51	7	97	1017.7	Trace	24
2024-05-02	86	57	72	16	0	7	17	42	38	7	233	1015.8		24
2024-05-01	81	50	66	10	0	1	11	47	59	5	192	1014.6		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
2024-04-30	83	55	68	12	0	3	13	55	67	7	191	1012.5	0.04	23
2024-04-29	86	57	73	17	0	8	18	53	52	5	191	1016.7		24
2024-04-28	84	50	65	10	0	0	10	51	66	7	193	1021.1		24
2024-04-27	54	46	49	-6	16	0	0	40	74	8	168	1027.2	0.12	24
2024-04-26	64	37	52	-3	13	0	0	32	49	8	109	1027.5		24
2024-04-25	57	37	47	-7	18	0	0	31	58	5	122	1024.2		24
2024-04-24	63	45	54	0	11	0	0	40	60	11	287	1014.7	Trace	23
2024-04-23	72	37	55	2	10	0	0	28	39	7	159	1016.0		24
2024-04-22	61	28	46	-7	19	0	0	25	46	8	257	1018.8		24
2024-04-21	48	32	40	-13	25	0	0	24	53	7	235	1017.0		24
2024-04-20	63	37	53	1	12	0	0	31	46	13	295	1015.9		24
2024-04-19	57	48	53	1	12	0	0	49	85	8	155	1016.1	Trace	24
2024-04-18	68	52	60	8	5	0	5	49	68	6	236	1016.1		24
2024-04-17	72	50	59	8	6	0	4	48	67	5	97	1015.4	0.34	23
2024-04-16	77	41	60	9	5	0	5	35	42	3	92	1020.1		24
2024-04-15	76	53	64	14	1	0	9	48	62	8	217	1012.0	0.17	24
2024-04-14	82	45	63	13	2	0	8	39	46	14	208	1010.3	0.16	24
2024-04-13	57	43	49	-1	16	0	0	31	53	20	291	1009.4	0.07	24
2024-04-12	64	45	52	3	13	0	0	45	77	18	242	995.7	1.09	24
2024-04-11	67	55	62	13	3	0	7	56	81	12	125	1004.6	0.32	24
2024-04-10	70	55	62	14	3	0	7	51	70	5	177	1015.1	0.02	24
2024-04-09	77	39	60	12	5	0	5	43	57	5	130	1016.7		24
2024-04-08	66	39	52	4	13	0	0	32	47	2	71	1019.5	Trace	24
2024-04-07	63	32	48	1	17	0	0	28	49	5	168	1019.1		24
2024-04-06	52	36	43	-4	22	0	0	29	60	13	318	1014.6		24
2024-04-05	39	36	38	-8	27	0	0	29	73	11	303	1007.3	0.04	24
2024-04-04	45	34	39	-7	26	0	0	34	82	6	215	997.8	0.08	18
2024-04-03	46	37	44	-1	21	0	0	40	86	8	105	998.0	1.67	21
2024-04-02	50	45	48	3	17	0	0	45	89	8	131	1007.2	1.66	24
2024-04-01	55	44	49	4	16	0	0	44	84	5	82	1012.3	0.65	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
2024-03-31	59	37	49	5	16	0	0	40	71	5	172	1012.6		24
2024-03-30	54	34	44	0	21	0	0	29	57	4	171	1010.9	0.32	24
2024-03-29	52	36	44	1	21	0	0	21	41	12	300	1013.1		24
2024-03-28	52	39	45	2	20	0	0	26	52	10	309	1016.1		24
2024-03-27	63	44	50	7	15	0	0	40	69	7	157	1015.4		24
2024-03-26	57	39	47	5	18	0	0	25	43	10	169	1018.5	Trace	24
2024-03-25	55	28	42	0	23	0	0	20	42	8	132	1025.4		24
2024-03-24	46	25	34	-7	31	0	0	15	47	7	134	1023.5		24
2024-03-23	45	28	38	-3	27	0	0	31	76	10	214	1013.7	0.34	24
2024-03-22	52	19	36	-5	29	0	0	18	49	8	112	1022.2		24
2024-03-21	40	21	31	-9	34	0	0	9	41	11	301	1020.9		24
2024-03-20	52	28	41	1	24	0	0	24	53	16	280	1006.0	0.02	24
2024-03-19	45	28	36	-4	29	0	0	18	52	13	257	1007.9	Trace	24
2024-03-18	37	30	33	-6	32	0	0	19	58	12	290	1009.4	Trace	24
2024-03-17	55	37	47	8	18	0	0	28	49	15	283	1003.9	Trace	24
2024-03-16	59	35	48	9	17	0	0	31	55	10	261	1009.8		24
2024-03-15	62	45	56	18	9	0	1	46	71	13	272	1010.2	0.20	24
2024-03-14	73	45	60	22	5	0	5	36	42	6	172	1015.3	0.10	24
2024-03-13	70	50	62	24	3	0	7	34	37	8	242	1013.5		15
2024-03-12	66	43	54	17	11	0	0	29	38	14	266	1013.0		24
2024-03-11	48	30	39	2	26	0	0	19	47	20	296	1013.8	Trace	22
2024-03-10	43	30	35	-2	30	0	0	26	73	19	289	1003.5	0.06	23
2024-03-09	46	39	41	5	24	0	0	37	87	8	130	1010.0	1.27	24
2024-03-08	57	34	46	10	19	0	0	37	73	7	102	1021.5		24
2024-03-07	59	41	50	14	15	0	0	42	77	7	121	1015.8	0.09	24
2024-03-06	54	50	52	17	13	0	0	49	90	4	66	1013.1	0.23	24
2024-03-05	55	48	51	16	14	0	0	47	86	5	121	1018.1	0.10	24
2024-03-04	66	37	53	18	12	0	0	44	74	7	118	1023.5		24
2024-03-03	61	44	51	16	14	0	0	43	77	2	62	1022.1		24
2024-03-02	48	39	42	8	23	0	0	39	89	3	75	1022.3	0.48	24
2024-03-01	46	23	37	3	28	0	0	17	47	8	138	1030.1	0.06	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
2024-02-29	37	24	30	-4	35	0	0	12	48	14	273	1026.0		24
2024-02-28	59	28	49	15	16	0	0	42	77	16	227	1004.6	0.50	23
2024-02-27	57	39	49	16	16	0	0	38	66	5	124	1009.3	0.08	24
2024-02-26	63	30	48	15	17	0	0	28	47	4	115	1013.8		24
2024-02-25	45	21	33	0	32	0	0	16	51	8	216	1016.3		24
2024-02-24	40	25	34	1	31	0	0	20	58	9	297	1007.7		24
2024-02-23	54	35	43	11	22	0	0	35	76	5	176	999.7	0.08	24
2024-02-22	37	32	35	3	30	0	0	29	80	5	138	1010.0	0.37	24
2024-02-21	46	26	36	4	29	0	0	25	66	7	160	1024.3		24
2024-02-20	45	18	31	-1	34	0	0	20	63	4	91	1026.9		24
2024-02-19	40	18	31	0	34	0	0	17	59	5	216	1020.3		24
2024-02-18	36	18	28	-3	37	0	0	10	48	16	249	1010.5		24
2024-02-17	29	19	25	-6	40	0	0	16	67	12	267	1010.3	0.13	24
2024-02-16	39	28	33	2	32	0	0	19	59	11	255	1013.2	0.23	24
2024-02-15	45	16	31	0	34	0	0	20	64	8	170	1015.6	0.04	24
2024-02-14	34	25	30	0	35	0	0	15	53	13	316	1019.0		24
2024-02-13	39	32	35	5	30	0	0	27	73	12	229	1005.8	0.64	24
2024-02-12	48	30	40	10	25	0	0	31	73	3	50	1009.3	0.20	24
2024-02-11	52	36	43	13	22	0	0	33	68	3	131	1013.0		24
2024-02-10	61	46	55	25	10	0	0	44	67	9	239	1011.2	0.01	24
2024-02-09	63	39	50	21	15	0	0	34	55	7	167	1015.4		24
2024-02-08	54	26	41	12	24	0	0	24	53	3	104	1022.0		24
2024-02-07	48	19	34	5	31	0	0	19	55	1	69	1024.1		24
2024-02-06	43	19	30	1	35	0	0	17	62	4	61	1020.6		24
2024-02-05	40	25	32	3	33	0	0	22	67	6	61	1013.9		24
2024-02-04	50	23	36	7	29	0	0	21	57	1	39	1014.8		24
2024-02-03	46	28	37	8	28	0	0	22	57	5	143	1017.6		24
2024-02-02	46	35	40	11	25	0	0	30	65	10	252	1013.5	Trace	24
2024-02-01	48	36	41	13	24	0	0	30	65	11	246	1013.9	Trace	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
2024-01-31	43	32	37	9	28	0	0	30	74	4	143	1016.9		24
2024-01-30	38	33	35	7	30	0	0	27	73	7	166	1017.6		24
2024-01-29	37	33	35	7	30	0	0	27	74	11	313	1014.8	Trace	24
2024-01-28	43	36	39	11	26	0	0	36	89	7	88	1007.8	0.65	24
2024-01-27	49	42	46	18	19	0	0	40	81	4	131	1020.5	0.14	24
2024-01-26	63	39	52	24	13	0	0	44	76	8	211	1016.0	0.09	24
2024-01-25	48	39	44	16	21	0	0	42	93	1	40	1019.3	0.22	24
2024-01-24	45	36	39	11	26	0	0	29	70	1	33	1026.2	0.22	24
2024-01-23	45	32	38	10	27	0	0	20	49	3	79	1029.5	Trace	24
2024-01-22	36	6	23	-5	42	0	0	9	59	5	138	1030.9		24
2024-01-21	25	10	19	-9	46	0	0	10	67	12	290	1030.2	0.01	24
2024-01-20	18	12	15	-13	50	0	0	5	63	16	297	1018.8	0.02	24
2024-01-19	28	18	25	-3	40	0	0	18	76	7	173	1009.9	Trace	24
2024-01-18	32	16	24	-4	41	0	0	8	51	7	185	1016.4		24
2024-01-17	19	7	14	-14	51	0	0	-2	49	15	255	1015.3		24
2024-01-16	21	10	18	-10	47	0	0	11	74	8	199	1012.1	0.03	24
2024-01-15	22	12	18	-10	47	0	0	8	66	4	142	1019.4	Trace	24
2024-01-14	29	12	23	-5	42	0	0	9	56	17	252	1012.3	0.02	24
2024-01-13	40	27	32	4	33	0	0	24	74	16	213	997.2	0.06	24
2024-01-12	41	28	36	8	29	0	0	28	74	8	114	1011.5	0.61	24
2024-01-11	45	32	37	9	28	0	0	26	65	10	247	1010.1	Trace	24
2024-01-10	45	34	37	8	28	0	0	27	67	20	261	995.3	0.07	24
2024-01-09	49	32	38	9	27	0	0	34	84	12	149	1005.1	2.35	23
2024-01-08	38	27	34	5	31	0	0	25	70	5	178	1026.2	0.01	24
2024-01-07	37	30	34	5	31	0	0	28	81	7	211	1008.0	0.07	24
2024-01-06	30	23	28	-1	37	0	0	23	82	3	45	1011.2	0.01	24
2024-01-05	37	19	27	-2	38	0	0	16	63	4	199	1023.3		24
2024-01-04	36	23	31	2	34	0	0	21	65	11	312	1018.6	0.01	24
2024-01-03	41	30	34	5	31	0	0	24	66	7	248	1015.6		24
2024-01-02	34	28	31	1	34	0	0	23	73	11	288	1019.5	Trace	24
2024-01-01	36	32	34	4	31	0	0	29	83	6	230	1016.5	0.06	24

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