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
02/28/1971	2100	25.0		53.1	15.1	22	260	20.7							CLR
02/28/1971	1800	25.0		51.1	12.9	21	260	25.3							CLR
02/28/1971	1500	25.0		46.0	16.0	30	260	19.6							CLR
02/28/1971	1200	25.0		42.1	18.0	37	260	16.1
02/28/1971	0900	15.0		44.1	23.0	43	270	17.3							CLR
02/28/1971	0600	15.0		46.0	25.0	43	270	17.3							CLR
02/28/1971	0300	20.0		48.0	24.1	39	280	11.5							CLR
02/28/1971	0000	25.0		52.0	24.1	33	230	15.0							CLR
02/27/1971	2100	25.0		57.0	32.0	39	240	18.4
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/27/1971	1800	8.0		53.1	46.9	80	240	5.8
02/27/1971	1500	5.5		46.0	45.0	96	20	8.1						-SHRA FG
02/27/1971	1200	2.0		46.0	45.0	96	90	11.5						-RA FG
02/27/1971	0900	2.0		46.0	45.0	96	60	11.5						-RA FG
02/27/1971	0600	2.0		46.0	45.0	96	120	13.8						-RA FG
02/27/1971	0300	7.0		44.1	39.9	85	170	5.8						-RA
02/27/1971	0000	7.0		46.9	37.0	68	140	9.2
02/26/1971	2100	9.0		50.0	36.0	58	60	8.1
02/26/1971	1800	10.0		48.0	34.0	58	150	13.8
02/26/1971	1500	9.0		36.0	32.0	85	0	0.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/26/1971	1200	8.0		30.9	28.9	92	120	5.8
02/26/1971	0900	7.0		30.0	28.9	96	0	0.0
02/26/1971	0600	10.0		28.0	26.1	92	0	0.0							CLR
02/26/1971	0300	10.0		32.0	28.0	85	0	0.0							CLR
02/26/1971	0000	10.0		37.0	28.9	72	0	0.0							CLR
02/25/1971	2100	10.0		45.0	28.0	51	220	3.5							CLR
02/25/1971	1800	10.0		41.0	30.0	65	260	11.5
02/25/1971	1500	10.0		39.0	28.0	64	260	12.7
02/25/1971	1200	10.0		36.0	30.0	79	250	6.9
02/25/1971	0900	8.0		36.0	30.9	82	260	10.4
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/25/1971	0600	8.0		35.1	28.0	75	270	4.6
02/25/1971	0300	8.0		36.0	30.0	79	250	11.5
02/25/1971	0000	8.0		37.0	28.9	72	260	9.2
02/24/1971	2100	10.0		37.9	28.9	70	250	9.2
02/24/1971	1800	10.0		39.0	32.0	76	250	9.2
02/24/1971	1500	15.0		35.1	30.0	82	260	11.5
02/24/1971	1200	10.0		35.1	30.9	85	260	12.7
02/24/1971	0900	10.0		35.1	30.9	85	270	9.2
02/24/1971	0600	7.0		35.1	32.0	89	270	11.5						-SHSN
02/24/1971	0300	10.0		34.0	30.0	85	270	13.8						-SHSN
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/24/1971	0000	20.0		36.0	27.0	70	270	13.8
02/23/1971	2100	25.0		39.0	25.0	57	280	15.0
02/23/1971	1800	15.0		39.0	33.1	79	270	19.6
02/23/1971	1500	0.3		39.0	39.0	100	250	5.8						-RA FG
02/23/1971	1200	0.4		39.0	39.0	100	100	4.6						-RA FG
02/23/1971	0900	3.0		41.0	41.0	100	100	5.8						-RA FG
02/23/1971	0600	4.0		41.0	39.9	96	120	12.7						-RA FG
02/23/1971	0300	3.0		37.9	37.9	100	60	5.8						-RA FG
02/23/1971	0000	2.0		37.9	37.0	97	80	13.8
02/22/1971	2100	2.8		37.0	36.0	96	80	17.3						-RA FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/22/1971	1800	10.5		36.0	35.1	97	70	11.5						-RA FG
02/22/1971	1500	10.5		34.0	33.1	97	60	13.8
02/22/1971	1200	5.0		36.0	33.1	89	50	5.8						DZ
02/22/1971	0900	7.0		37.9	33.1	82	110	4.6
02/22/1971	0600	7.0		37.9	33.1	82	0	0.0
02/22/1971	0300	7.0		39.0	35.1	86	0	0.0
02/22/1971	0000	8.0		39.0	34.0	82	270	8.1
02/21/1971	2100	8.0		39.0	35.1	86	250	15.0
02/21/1971	1800	10.0		42.1	35.1	76	260	12.7
02/21/1971	1500	20.0		39.9	34.0	79	260	11.5
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/21/1971	1200	15.0		37.9	34.0	86	260	12.7
02/21/1971	0900	10.0		36.0	35.1	97	250	11.5
02/21/1971	0600	10.0		37.9	36.0	93	270	8.1
02/21/1971	0300	6.0		37.0	37.0	100	280	5.8						FG
02/21/1971	0000	0.5		39.0	39.0	100	0	0.0						-RA FG
02/20/1971	2100	1.0		41.0	39.9	96	80	9.2						FG
02/20/1971	1800	5.5		41.0	39.9	96	130	6.9						-SHRA FG
02/20/1971	1500	5.0		39.0	37.0	93	90	8.1						FG
02/20/1971	1200	4.0		37.9	35.1	89	70	11.5						-RA FG
02/20/1971	0900	8.0		39.0	33.1	79	120	11.5						-RA
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/20/1971	0600	10.0		39.0	32.0	76	80	13.8
02/20/1971	0300	10.0		39.0	30.9	72	60	13.8
02/20/1971	0000	10.0		39.9	30.9	70	50	12.7
02/19/1971	2100	9.0		39.0	32.0	76	70	10.4
02/19/1971	1800	8.0		41.0	35.1	79	60	6.9
02/19/1971	1500	7.0		36.0	33.1	89	0	0.0
02/19/1971	1200	8.0		35.1	30.9	85	0	0.0						-SHRA
02/19/1971	0900	10.0		34.0	32.0	92	0	0.0
02/19/1971	0600	10.0		36.0	30.9	82	330	4.6
02/19/1971	0300	10.0		37.9	30.9	76	0	0.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/19/1971	0000	10.0		43.0	32.0	65	280	8.1
02/18/1971	2100	10.0		46.9	30.9	54	240	17.3
02/18/1971	1800	9.0		46.9	34.0	61	70	6.9
02/18/1971	1500	6.0		39.9	33.1	76	270	11.5						DZ
02/18/1971	1200	5.0		33.1	27.0	78	270	11.5						DZ
02/18/1971	0900	10.0		36.0	30.0	79	270	10.4							CLR
02/18/1971	0600	7.0		30.0	24.1	78	270	11.5
02/18/1971	0300	5.5		32.0	28.0	85	290	3.5						FG
02/18/1971	0000	2.0		34.0	30.0	85	260	4.6						FG
02/17/1971	2100	0.8		33.1	28.0	82	110	4.6						-SN
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/17/1971	1800	0.3		30.9	24.1	75	160	4.6						+SN
02/17/1971	1500	10.0		28.0	17.1	63	50	16.1
02/17/1971	1200	10.0		19.0	12.0	74	110	10.4
02/17/1971	0900	10.0		18.0	10.0	71	0	0.0
02/17/1971	0600	15.0		19.0	10.0	67	0	0.0
02/17/1971	0300	15.0		23.0	10.0	57	0	0.0							CLR
02/17/1971	0000	15.0		30.0	10.9	44	0	0.0							CLR
02/16/1971	2100	20.0		43.0	19.0	38	320	8.1
02/16/1971	1800	20.0		36.0	18.0	48	340	5.8
02/16/1971	1500	15.0		35.1	21.9	58	300	6.9							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/16/1971	1200	10.0		28.0	14.0	55	300	9.2
02/16/1971	0900	5.0		30.9	21.0	66	290	4.6						-SHSN
02/16/1971	0600	7.0		30.0	19.9	66	270	9.2
02/16/1971	0300	8.0		28.9	19.9	69	270	13.8
02/16/1971	0000	8.0		30.9	17.1	56	260	11.5
02/15/1971	2100	9.0		33.1	19.0	56	270	15.0
02/15/1971	1800	8.0		30.0	18.0	60	250	13.8
02/15/1971	1500	10.5		26.1	14.0	60	270	10.4						-SN
02/15/1971	1200	7.0		23.0	10.9	59	270	12.7
02/15/1971	0900	10.0		23.0	10.0	57	280	17.3
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/15/1971	0600	10.0		21.0	6.1	52	260	18.4
02/15/1971	0300	20.0		19.9	7.0	57	270	16.1							CLR
02/15/1971	0000	25.0		26.1	9.0	48	270	19.6							CLR
02/14/1971	2100	25.0		30.0	10.0	43	290	16.1							CLR
02/14/1971	1800	25.0		28.9	12.0	49	280	19.6							CLR
02/14/1971	1500	10.0		23.0	12.9	65	280	20.7
02/14/1971	1200	7.0		17.1	9.0	70	280	13.8
02/14/1971	0900	4.0		21.9	12.0	65	260	17.3						-SN
02/14/1971	0600	4.0		23.0	15.1	71	270	16.1						-SN
02/14/1971	0300	1.0		23.0	18.0	81	270	15.0						-SN
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/14/1971	0000	10.0		30.0	21.9	71	300	17.3						-SN
02/13/1971	2100	4.0		39.9	35.1	83	330	10.4						RA FG
02/13/1971	1800	10.5		42.1	39.9	92	270	8.1						-RA FG
02/13/1971	1500	0.5		41.0	39.9	96	260	4.6						-RA FG
02/13/1971	1200	10.5		43.0	41.0	93	90	9.2						-RA FG
02/13/1971	0900	0.8		39.0	34.0	82	0	0.0						-RA FG
02/13/1971	0600	7.0		45.0	30.0	56	90	11.5						-RA
02/13/1971	0300	10.0		39.9	27.0	60	120	8.1
02/13/1971	0000	10.0		45.0	26.1	47	130	13.8
02/12/1971	2100	10.0		50.0	30.0	46	70	4.6
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/12/1971	1800	15.0		48.0	28.0	46	130	8.1
02/12/1971	1500	10.0		43.0	27.0	53	80	8.1
02/12/1971	1200	10.0		35.1	23.0	61	80	10.4
02/12/1971	0900	10.0		35.1	23.0	61	70	9.2
02/12/1971	0600	10.0		35.1	21.0	56	90	11.5
02/12/1971	0300	10.0		35.1	19.9	54	50	8.1
02/12/1971	0000	10.0		36.0	18.0	48	110	11.5
02/11/1971	2100	10.0		36.0	17.1	46	150	15.0
02/11/1971	1800	15.0		30.9	12.0	45	190	5.8
02/11/1971	1500	10.0		19.0	12.9	77	20	5.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/11/1971	1200	10.0		3.9	-9.9	52	0	0.0
02/11/1971	0900	10.0		7.0	-11.0	42	0	0.0							CLR
02/11/1971	0600	10.0		7.0	-14.1	36	0	0.0							CLR
02/11/1971	0300	15.0		14.0	3.0	61	20	5.8							CLR
02/11/1971	0000	15.0		19.9	6.1	54	260	10.4
02/10/1971	2100	20.0		23.0	5.0	45	260	18.4
02/10/1971	1800	10.0		19.9	3.9	49	260	17.3
02/10/1971	1500	9.0		15.1	6.1	67	280	11.5
02/10/1971	1200	9.0		3.0	-4.0	72	280	9.2
02/10/1971	0900	15.0		7.0	0.0	72	270	11.5							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/10/1971	0600	15.0		10.0	1.9	69	270	10.4							CLR
02/10/1971	0300	20.0		15.1	6.1	67	270	11.5
02/10/1971	0000	20.0		18.0	8.1	65	270	13.8
02/09/1971	2100	20.0		26.1	10.9	52	270	15.0
02/09/1971	1800	20.0		26.1	12.9	57	260	16.1
02/09/1971	1500	10.0		26.1	17.1	68	260	17.3						-SHSN
02/09/1971	1200	7.0		28.0	23.0	81	270	12.7
02/09/1971	0900	2.8		35.1	33.1	92	270	9.2						-SN FG
02/09/1971	0600	0.8		35.1	32.0	89	280	4.6						-SN FG
02/09/1971	0300	0.8		35.1	32.0	89	260	4.6						-SN FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/09/1971	0000	5.5		35.1	32.0	89	20	5.8
02/08/1971	2100	3.0		37.0	30.9	78	70	4.6						-SN
02/08/1971	1800	8.0		37.0	30.9	78	40	8.1
02/08/1971	1500	3.0		34.0	32.0	92	220	4.6						FG
02/08/1971	1200	5.0		33.1	30.0	88	280	5.8						FG
02/08/1971	0900	7.0		34.0	30.9	88	0	0.0
02/08/1971	0600	0.8		34.0	32.0	92	250	3.5						-SN
02/08/1971	0300	0.5		33.1	30.0	88	290	4.6						SN
02/08/1971	0000	1.0		33.1	28.0	82	90	12.7						-SN
02/07/1971	2100	15.0		35.1	24.1	64	130	5.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/07/1971	1800	10.0		32.0	21.9	66	0	0.0
02/07/1971	1500	7.0		28.9	21.0	72	0	0.0
02/07/1971	1200	7.0		24.1	18.0	77	0	0.0
02/07/1971	0900	8.0		21.9	17.1	81	220	3.5							CLR
02/07/1971	0600	9.0		24.1	18.0	77	190	4.6							CLR
02/07/1971	0300	9.0		28.9	21.0	72	0	0.0							CLR
02/07/1971	0000	10.0		35.1	19.0	52	280	4.6							CLR
02/06/1971	2100	25.0		41.0	21.9	46	250	8.1							CLR
02/06/1971	1800	10.0		39.9	21.9	48	260	10.4							CLR
02/06/1971	1500	10.0		36.0	21.0	54	260	11.5							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/06/1971	1200	8.0		33.1	19.9	58	240	10.4							CLR
02/06/1971	0900	7.0		32.0	21.9	66	200	5.8
02/06/1971	0600	7.0		39.0	25.0	57	250	11.5
02/06/1971	0300	0.3		35.1	33.1	92	0	0.0						FG
02/06/1971	0000	4.0		37.9	34.0	86	320	4.6						FG
02/05/1971	2100	2.0		39.0	35.1	86	140	10.4						FG
02/05/1971	1800	4.0		37.9	34.0	86	90	16.1						-DZ FG
02/05/1971	1500	7.0		37.0	30.9	78	130	20.7						-RA
02/05/1971	1200	10.5		32.0	28.0	85	120	12.7						-FZRA FG
02/05/1971	0900	2.0		32.0	25.0	75	90	17.3						-FZDZ DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/05/1971	0600	3.0		28.9	21.9	75	60	17.3						-FZDZ DZ
02/05/1971	0300	2.8		27.0	19.9	75	60	13.8
02/05/1971	0000	5.5		25.0	18.0	74	70	17.3
02/04/1971	2100	2.0		23.0	15.1	71	70	15.0
02/04/1971	1800	3.0		21.9	14.0	71	80	16.1						-SN DZ
02/04/1971	1500	5.5		19.9	12.9	74	80	15.0						-SN DZ
02/04/1971	1200	7.0		19.0	10.9	70	90	13.8
02/04/1971	0900	7.0		19.0	10.0	67	90	10.4						-SN
02/04/1971	0600	7.0		18.0	6.1	59	90	8.1
02/04/1971	0300	10.0		17.1	3.9	56	350	3.5
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/04/1971	0000	10.0		17.1	3.0	53	140	3.5
02/03/1971	2100	10.0		19.0	1.0	45	60	3.5
02/03/1971	1800	8.0		16.0	-2.0	44	70	8.1
02/03/1971	1500	8.0		5.0	-8.0	54	70	4.6
02/03/1971	1200	9.0		0.0	-11.9	56	350	5.8
02/03/1971	0900	20.0		-4.0	-14.1	61	360	6.9
02/03/1971	0600	25.0		-2.9	-13.0	61	330	5.8
02/03/1971	0300	25.0		-2.0	-11.0	65	350	5.8							CLR
02/03/1971	0000	25.0		7.0	-9.9	45	280	9.2							CLR
02/02/1971	2100	25.0		10.0	-8.0	43	280	15.0							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/02/1971	1800	25.0		9.0	-9.0	43	270	15.0
02/02/1971	1500	25.0		3.9	-11.0	49	260	13.8							CLR
02/02/1971	1200	15.0		-2.9	-11.9	64	260	12.7							CLR
02/02/1971	0900	15.0		0.0	-9.9	62	270	15.0							CLR
02/02/1971	0600	15.0		3.9	-9.0	54	270	15.0							CLR
02/02/1971	0300	15.0		5.0	-7.1	57	250	11.5
02/02/1971	0000	15.0		5.0	-8.0	54	280	13.8
02/01/1971	2100	15.0		8.1	-8.0	47	260	13.8
02/01/1971	1800	15.0		7.0	-9.9	45	260	17.3
02/01/1971	1500	8.0		3.9	-8.0	57	260	12.7
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
02/01/1971	1200	5.0		-7.1	-17.0	61	0	0.0						-SHSN DZ
02/01/1971	0900	15.0		-11.9	-18.0	73	360	5.8							CLR
02/01/1971	0600	15.0		-7.1	-14.1	71	320	4.6							CLR
02/01/1971	0300	15.0		-0.9	-9.0	68	0	0.0
02/01/1971	0000	15.0		6.1	-6.0	57	260	8.1

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