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

Williamsport

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.

Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/28/1970	2100	15.0		37.0	16.0	42	320	12.7							CLR
02/28/1970	1800	15.0		33.1	17.1	51	320	12.7							CLR
02/28/1970	1500	15.0		28.0	16.0	60	320	13.8							CLR
02/28/1970	1200	15.0		14.0	10.9	87	340	5.8							CLR
02/28/1970	0900	10.0		25.0	18.0	74	310	9.2
02/28/1970	0600	5.0		30.0	28.9	96	300	5.8						FG
02/28/1970	0300	4.0		30.0	28.9	96	190	3.5				0.01		-SHSN FG
02/28/1970	0000	5.0		28.9	27.0	92	350	5.8				0.01		-SN FG
02/27/1970	2100	15.0		34.0	18.0	51	120	11.5
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/27/1970	1800	8.0		28.9	21.9	75	110	8.1
02/27/1970	1500	6.0		25.0	14.0	63	70	10.4						-SN
02/27/1970	1200	10.0		21.0	10.9	65	50	9.2
02/27/1970	0900	15.0		19.9	8.1	59	80	6.9
02/27/1970	0600	15.0		21.9	8.1	55	60	11.5
02/27/1970	0300	15.0		19.9	5.0	52	120	8.1
02/27/1970	0000	15.0		15.1	3.9	61	90	8.1
02/26/1970	2100	15.0		21.9	1.0	39	120	5.8							CLR
02/26/1970	1800	15.0		17.1	3.0	53	240	9.2							CLR
02/26/1970	1500	15.0		10.0	-2.0	57	300	3.5							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/26/1970	1200	15.0		1.0	-6.0	72	290	13.8							CLR
02/26/1970	0900	15.0		1.9	-8.0	62	300	16.1							CLR
02/26/1970	0600	15.0		3.9	0.0	83	320	15.0
02/26/1970	0300	15.0		9.0	0.0	66	310	17.3
02/26/1970	0000	15.0		16.0	3.0	56	330	15.0
02/25/1970	2100	15.0		30.0	14.0	51	320	12.7
02/25/1970	1800	8.0		34.0	28.9	82	0	0.0						-SN
02/25/1970	1500	6.0		37.9	37.0	97	160	6.9				0.01		FG
02/25/1970	1200	6.0		33.1	32.0	96	0	0.0						FG
02/25/1970	0900	10.0		28.0	28.0	100	0	0.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/25/1970	0600	10.0		30.0	28.0	92	180	4.6
02/25/1970	0300	10.0		32.0	28.0	85	0	0.0
02/25/1970	0000	10.0		45.0	25.0	45	290	4.6
02/24/1970	2100	10.0		46.9	27.0	46	270	13.8
02/24/1970	1800	10.0		45.0	26.1	47	260	16.1
02/24/1970	1500	9.0		32.0	19.9	61	140	4.6
02/24/1970	1200	10.0		16.0	14.0	92	0	0.0
02/24/1970	0900	10.0		18.0	17.1	96	0	0.0							CLR
02/24/1970	0600	15.0		21.0	18.0	88	0	0.0							CLR
02/24/1970	0300	15.0		25.0	19.9	81	0	0.0							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/24/1970	0000	15.0		30.0	17.1	58	270	4.6							CLR
02/23/1970	2100	15.0		37.0	14.0	38	310	13.8							CLR
02/23/1970	1800	15.0		35.1	12.0	38	330	19.6							CLR
02/23/1970	1500	15.0		33.1	16.0	49	320	16.1
02/23/1970	1200	15.0		28.9	16.0	58	300	18.4
02/23/1970	0900	10.0		35.1	21.9	58	280	13.8
02/23/1970	0600	10.0		41.0	28.0	60	280	17.3
02/23/1970	0300	10.0		39.9	37.0	89	270	16.1
02/23/1970	0000	8.0		48.0	37.0	66	280	13.8				0.02		-SHRA
02/22/1970	2100	15.0		51.1	32.0	48	220	15.0							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/22/1970	1800	10.0		48.0	33.1	56	270	16.1							CLR
02/22/1970	1500	10.0		33.1	26.1	75	130	8.1							CLR
02/22/1970	1200	7.0		18.0	16.0	92	0	0.0							CLR
02/22/1970	0900	7.0		23.0	23.0	100	0	0.0							CLR
02/22/1970	0600	7.0		30.0	25.0	81	280	5.8
02/22/1970	0300	7.0		30.0	25.0	81	280	11.5
02/22/1970	0000	7.0		28.9	23.0	78	250	11.5						-SN
02/21/1970	2100	7.0		30.0	21.9	71	270	11.5						-SN
02/21/1970	1800	10.0		28.0	16.0	60	270	13.8
02/21/1970	1500	10.0		21.0	14.0	74	270	16.1
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/21/1970	1200	10.0		16.0	10.9	80	250	10.4							CLR
02/21/1970	0900	10.0		18.0	14.0	84	280	10.4							CLR
02/21/1970	0600	15.0		19.0	10.9	70	280	11.5							CLR
02/21/1970	0300	15.0		19.9	10.0	65	270	16.1							CLR
02/21/1970	0000	15.0		23.0	10.9	59	280	12.7							CLR
02/20/1970	2100	15.0		28.9	12.9	51	280	16.1
02/20/1970	1800	15.0		28.0	12.9	53	280	18.4
02/20/1970	1500	10.0		28.0	12.0	50	290	18.4
02/20/1970	1200	10.0		12.0	10.0	92	0	0.0
02/20/1970	0900	10.0		19.9	16.0	84	90	5.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/20/1970	0600	15.0		21.0	12.9	70	290	11.5							CLR
02/20/1970	0300	15.0		24.1	15.1	68	330	6.9							CLR
02/20/1970	0000	15.0		30.9	18.0	58	330	9.2							CLR
02/19/1970	2100	15.0		37.0	24.1	59	320	11.5
02/19/1970	1800	15.0		39.0	28.0	64	320	17.3
02/19/1970	1500	8.0		42.1	34.0	73	320	18.4
02/19/1970	1200	10.5		35.1	34.0	96	300	3.5						FG
02/19/1970	0900	4.0		34.0	32.0	92	250	5.8						DZ
02/19/1970	0600	4.0		35.1	32.0	89	10	4.6						DZ
02/19/1970	0300	5.0		37.9	34.0	86	220	4.6						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/19/1970	0000	5.0		43.0	33.1	68	120	10.4						DZ
02/18/1970	2100	6.0		43.0	30.0	60	80	11.5						DZ
02/18/1970	1800	5.0		39.0	28.9	67	80	6.9						DZ
02/18/1970	1500	4.0		28.0	21.0	75	0	0.0						DZ
02/18/1970	1200	3.0		15.1	14.0	95	0	0.0						FG
02/18/1970	0900	5.0		16.0	16.0	100	0	0.0						FG
02/18/1970	0600	5.0		21.9	21.9	100	0	0.0						FG
02/18/1970	0300	5.0		25.0	21.0	85	0	0.0						DZ
02/18/1970	0000	7.0		30.0	23.0	75	0	0.0
02/17/1970	2100	8.0		34.0	21.0	59	60	9.2
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/17/1970	1800	8.0		30.0	19.0	63	100	10.4							CLR
02/17/1970	1500	3.0		18.0	12.9	80	0	0.0						DZ
02/17/1970	1200	8.0		3.0	1.9	95	360	3.5
02/17/1970	0900	10.0		3.0	3.0	100	0	0.0							CLR
02/17/1970	0600	10.0		10.0	8.1	92	0	0.0							CLR
02/17/1970	0300	10.0		17.1	14.0	88	0	0.0
02/17/1970	0000	15.0		27.0	15.1	60	10	5.8
02/16/1970	2100	15.0		33.1	12.0	41	240	5.8
02/16/1970	1800	15.0		30.9	12.9	47	340	6.9
02/16/1970	1500	15.0		28.0	12.9	53	280	16.1
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/16/1970	1200	15.0		18.0	8.1	65	290	13.8
02/16/1970	0900	10.0		28.9	19.0	66	300	13.8						-SN
02/16/1970	0600	5.0		30.9	30.0	96	270	9.2						FG
02/16/1970	0300	5.0		30.9	28.0	89	200	5.8						FG
02/16/1970	0000	4.0		30.9	28.9	92	260	9.2						FG
02/15/1970	2100	3.0		30.9	30.0	96	70	3.5						-SN FG
02/15/1970	1800	1.0		28.9	26.1	89	200	6.9
02/15/1970	1500	3.0		27.0	24.1	89	50	11.5						-SN FG
02/15/1970	1200	5.5		26.1	19.9	77	50	12.7						-SN DZ
02/15/1970	0900	5.5		21.9	18.0	84	40	5.8						-SN FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/15/1970	0600	5.5		18.0	18.0	100	60	9.2						-SN FG
02/15/1970	0300	2.0		18.0	18.0	100	60	9.2						-SN FG
02/15/1970	0000	4.0		16.0	16.0	100	50	10.4						-SN FG
02/14/1970	2100	2.8		15.1	14.0	95	70	9.2						-SN FG
02/14/1970	1800	10.0		19.0	3.0	49	160	5.8
02/14/1970	1500	15.0		10.0	1.0	66	0	0.0
02/14/1970	1200	15.0		-2.9	-9.0	74	350	5.8
02/14/1970	0900	15.0		-2.0	-6.0	83	340	6.9							CLR
02/14/1970	0600	15.0		-0.9	-2.0	95	340	8.1							CLR
02/14/1970	0300	15.0		5.0	3.9	95	340	4.6							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/14/1970	0000	15.0		15.1	7.0	70	260	3.5							CLR
02/13/1970	2100	15.0		25.0	7.0	46	290	13.8
02/13/1970	1800	15.0		25.0	10.0	52	270	16.1
02/13/1970	1500	10.0		25.0	15.1	66	270	17.3						-SHSN
02/13/1970	1200	8.0		19.0	15.1	84	290	17.3
02/13/1970	0900	7.0		24.1	24.1	100	300	13.8						-SHSN
02/13/1970	0600	7.0		25.0	19.9	81	260	3.5						-SHSN
02/13/1970	0300	15.0		26.1	17.1	68	220	9.2
02/13/1970	0000	15.0		25.0	17.1	71	250	11.5
02/12/1970	2100	15.0		32.0	19.9	61	260	18.4
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/12/1970	1800	15.0		30.9	18.0	58	280	17.3
02/12/1970	1500	15.0		25.0	14.0	63	270	15.0							CLR
02/12/1970	1200	15.0		16.0	14.0	92	280	16.1
02/12/1970	0900	10.0		18.0	16.0	92	290	11.5
02/12/1970	0600	10.0		27.0	21.9	81	300	13.8						-SHSN
02/12/1970	0300	10.0		30.0	25.0	81	280	13.8						-SHSN
02/12/1970	0000	15.0		32.0	28.0	85	280	20.7
02/11/1970	2100	15.0		36.0	30.0	79	270	19.6
02/11/1970	1800	8.0		36.0	33.1	89	270	17.3						-SN
02/11/1970	1500	5.5		36.0	36.0	100	280	17.3						-SN FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/11/1970	1200	5.0		36.0	36.0	100	280	18.4						-SN FG
02/11/1970	0900	1.0		36.0	36.0	100	270	16.1						-SN FG
02/11/1970	0600	0.5		36.0	36.0	100	270	17.3						-SN FG
02/11/1970	0300	0.8		36.0	36.0	100	270	11.5						-SN FG
02/11/1970	0000	3.0		37.9	37.9	100	280	12.7						-RA FG
02/10/1970	2100	10.5		39.0	39.0	100	270	15.0						-RA FG
02/10/1970	1800	5.5		37.9	37.9	100	270	6.9						FG
02/10/1970	1500	0.5		37.0	37.0	100	0	0.0						-RA FG
02/10/1970	1200	1.0		36.0	36.0	100	0	0.0						-RA FG
02/10/1970	0900	5.5		37.0	37.0	100	350	5.8						-RA FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/10/1970	0600	2.0		37.0	37.0	100	0	0.0						-RA FG
02/10/1970	0300	0.5		35.1	35.1	100	60	5.8						SN FG
02/10/1970	0000	3.0		37.9	37.0	97	70	11.5
02/09/1970	2100	10.5		37.9	36.0	93	60	9.2
02/09/1970	1800	3.0		37.0	37.0	100	60	10.4						-SN FG
02/09/1970	1500	5.5		35.1	35.1	100	70	12.7						-SN FG
02/09/1970	1200	5.5		35.1	35.1	100	30	13.8						-SN FG
02/09/1970	0900	5.5		35.1	35.1	100	60	11.5						-SN FG
02/09/1970	0600	3.0		37.9	34.0	86	70	9.2						FG
02/09/1970	0300	3.0		37.0	34.0	89	80	9.2						-SN FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/09/1970	0000	3.0		37.0	35.1	93	70	16.1						-SN FG
02/08/1970	2100	10.5		37.9	35.1	89	90	5.8						-SN FG
02/08/1970	1800	10.5		36.0	34.0	92	60	9.2						-SN FG
02/08/1970	1500	5.5		34.0	33.1	97	60	11.5						-SN FG
02/08/1970	1200	1.0		32.0	30.0	92	70	10.4						-SN FG
02/08/1970	0900	1.0		30.0	28.9	96	0	0.0						-SN FG
02/08/1970	0600	2.0		25.0	25.0	100	0	0.0						FG
02/08/1970	0300	3.0		27.0	26.1	96	0	0.0						FG
02/08/1970	0000	5.0		30.9	28.0	89	120	4.6						DZ
02/07/1970	2100	5.0		35.1	30.9	85	60	6.9						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/07/1970	1800	3.0		28.0	25.0	88	0	0.0						DZ	CLR
02/07/1970	1500	0.8		23.0	21.9	96	260	5.8						FG
02/07/1970	1200	0.3		19.9	19.0	96	260	5.8						FG
02/07/1970	0900	0.8		19.9	19.9	100	0	0.0						FG
02/07/1970	0600	3.0		24.1	23.0	96	310	4.6						FG
02/07/1970	0300	5.0		30.0	28.9	96	0	0.0						FG
02/07/1970	0000	5.0		32.0	30.0	92	100	4.6						FG
02/06/1970	2100	6.0		37.0	30.0	76	250	4.6						DZ
02/06/1970	1800	6.0		34.0	27.0	75	0	0.0						DZ
02/06/1970	1500	3.0		32.0	28.0	85	0	0.0						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/06/1970	1200	3.0		28.9	27.0	92	120	4.6						FG
02/06/1970	0900	2.0		30.0	28.9	96	120	5.8						-SN FG
02/06/1970	0600	2.0		28.9	28.0	96	90	4.6						-SN FG
02/06/1970	0300	2.0		30.0	27.0	88	90	9.2						-SN FG
02/06/1970	0000	4.0		28.9	27.0	92	70	10.4						-SN FG
02/05/1970	2100	10.0		32.0	19.0	58	110	10.4
02/05/1970	1800	10.0		30.0	12.9	48	100	8.1
02/05/1970	1500	9.0		25.0	19.9	81	60	9.2
02/05/1970	1200	8.0		21.9	3.9	45	70	11.5
02/05/1970	0900	10.0		19.0	3.9	51	70	16.1
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/05/1970	0600	10.0		18.0	1.0	47	70	17.3
02/05/1970	0300	15.0		9.0	-0.9	63	60	5.8							CLR
02/05/1970	0000	15.0		9.0	-6.0	50	50	5.8							CLR
02/04/1970	2100	15.0		14.0	-2.9	46	230	6.9							CLR
02/04/1970	1800	15.0		15.1	-4.0	42	290	11.5
02/04/1970	1500	15.0		9.0	-5.1	52	310	17.3							CLR
02/04/1970	1200	15.0		-2.9	-8.0	78	290	11.5							CLR
02/04/1970	0900	10.0		1.0	-4.0	79	300	16.1							CLR
02/04/1970	0600	10.0		6.1	0.0	75	280	17.3
02/04/1970	0300	8.0		10.9	3.9	73	310	9.2						-SN
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/04/1970	0000	5.5		14.0	10.9	87	310	13.8						-SN FG
02/03/1970	2100	0.5		19.0	18.0	96	320	13.8						SN FG
02/03/1970	1800	0.6		27.0	25.0	92	320	9.2						-SN FG
02/03/1970	1500	10.5		39.0	37.0	93	240	8.1						FG
02/03/1970	1200	5.0		39.0	37.0	93	350	5.8						-SHRA FG
02/03/1970	0900	6.0		37.9	37.0	97	170	4.6						FG
02/03/1970	0600	8.0		45.0	39.9	82	0	0.0
02/03/1970	0300	8.0		44.1	41.0	89	120	5.8
02/03/1970	0000	3.0		43.0	41.0	93	20	5.8						FG
02/02/1970	2100	5.5		44.1	42.1	93	30	8.1						-RA FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/02/1970	1800	4.0		46.9	43.0	86	140	11.5						-RA FG
02/02/1970	1500	3.0		45.0	42.1	90	110	17.3						-RA FG
02/02/1970	1200	8.0		43.0	27.0	53	120	11.5						-RA
02/02/1970	0900	10.0		44.1	25.0	47	160	17.3
02/02/1970	0600	10.0		41.0	28.0	60	70	11.5
02/02/1970	0300	15.0		35.1	28.0	75	300	4.6
02/02/1970	0000	15.0		44.1	24.1	45	180	9.2
02/01/1970	2100	15.0		51.1	25.0	36	160	4.6
02/01/1970	1800	15.0		46.0	28.0	49	300	9.2
02/01/1970	1500	10.0		33.1	23.0	66	0	0.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/01/1970	1200	10.0		19.9	18.0	92	0	0.0							CLR
02/01/1970	0900	10.0		21.0	19.0	92	0	0.0							CLR
02/01/1970	0600	10.0		25.0	21.9	88	0	0.0							CLR
02/01/1970	0300	10.0		30.0	25.0	81	0	0.0
02/01/1970	0000	10.0		34.0	25.0	69	10	5.8

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