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
01/01/1970	0000	7.0		57.0	55.0	93	250	9.2						-SHRA
01/01/1970	0000	8.0		59.0	54.0	83	240	16.1
01/01/1970	0000	7.0		57.9	54.0	87	240	11.5
01/01/1970	0000	4.0		57.0	51.1	81	280	16.1						DZ
01/01/1970	0000	8.0		51.1	51.1	100	260	11.5
01/01/1970	0000	8.0		54.0	53.1	97	270	9.2
01/01/1970	0000	7.0		55.9	55.9	100	260	8.1						-SHRA
01/01/1970	0000	7.0		57.9	57.9	100	270	6.9
01/01/1970	0000	7.0		62.1	60.1	93	240	5.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	6.0		60.1	57.9	93	190	18.4						-TSRA
01/01/1970	0000	6.0		68.0	60.1	76	70	4.6						DZ
01/01/1970	0000	5.0		60.1	57.0	90	0	0.0						FU
01/01/1970	0000	3.0		55.0	55.0	100	250	4.6						FG
01/01/1970	0000	7.0		55.9	55.9	100	130	5.8
01/01/1970	0000	10.0		64.9	57.9	78	180	13.8
01/01/1970	0000	10.0		62.1	57.9	86	60	6.9
01/01/1970	0000	10.0		66.0	57.9	75	90	6.9
01/01/1970	0000	10.0		64.9	60.1	84	240	9.2
01/01/1970	0000	7.0		59.0	57.0	93	120	6.9						-RA
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	8.0		55.9	55.9	100	150	3.5				0.01		-RA
01/01/1970	0000	7.0		55.0	55.0	100	110	9.2				0.06		-RA
01/01/1970	0000	8.0		57.0	54.0	90	110	16.1				0.01		-RA
01/01/1970	0000	8.0		52.0	51.1	97	0	0.0				0.01		-RA
01/01/1970	0000	7.0		50.0	48.9	96	80	3.5				0.07		-RA
01/01/1970	0000	6.0		53.1	52.0	96	70	4.6				0.12		-RA FG
01/01/1970	0000	5.0		48.9	48.9	100	120	5.8				0.20		-RA FG
01/01/1970	0000	5.0		50.0	48.0	93	70	10.4				0.10		-RA FG
01/01/1970	0000	7.0		50.0	48.9	96	0	0.0				0.01		-RA
01/01/1970	0000	8.0		48.0	46.0	93	0	0.0						-RA
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	8.0		48.0	45.0	89	0	0.0
01/01/1970	0000	10.0		48.0	44.1	86	60	5.8						-RA
01/01/1970	0000	15.0		54.0	39.9	59	160	15.0
01/01/1970	0000	15.0		57.9	37.9	47	180	18.4
01/01/1970	0000	15.0		61.0	36.0	39	120	15.0
01/01/1970	0000	15.0		57.9	35.1	42	110	13.8
01/01/1970	0000	15.0		53.1	34.0	48	120	15.0
01/01/1970	0000	10.0		50.0	37.0	61	120	13.8
01/01/1970	0000	10.0		55.0	43.0	64	120	17.3
01/01/1970	0000	10.0		61.0	55.9	84	120	11.5
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	15.0		68.0	53.1	59	130	4.6
01/01/1970	0000	15.0		72.0	48.0	43	140	6.9
01/01/1970	0000	15.0		72.0	46.0	40	240	4.6
01/01/1970	0000	15.0		62.1	44.1	52	60	5.8
01/01/1970	0000	15.0		48.0	45.0	89	280	4.6
01/01/1970	0000	10.0		41.0	41.0	100	320	5.8							CLR
01/01/1970	0000	10.0		44.1	44.1	100	300	5.8
01/01/1970	0000	10.0		51.1	46.0	83	0	0.0
01/01/1970	0000	15.0		66.0	42.1	42	20	5.8
01/01/1970	0000	15.0		71.1	39.9	32	340	11.5
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	15.0		70.0	39.9	34	340	12.7
01/01/1970	0000	15.0		63.0	50.0	63	270	9.2							CLR
01/01/1970	0000	1.0		48.0	48.0	100	250	9.2						FG
01/01/1970	0000	0.3		46.0	46.0	100	340	5.8						FG
01/01/1970	0000	0.0		51.1	51.1	100	280	6.9						FG
01/01/1970	0000	6.0		52.0	50.0	93	0	0.0						DZ
01/01/1970	0000	7.0		61.0	55.9	84	260	9.2
01/01/1970	0000	10.0		63.0	54.0	73	0	0.0
01/01/1970	0000	8.0		57.0	55.0	93	250	5.8				0.05		-RA
01/01/1970	0000	8.0		55.0	55.0	100	250	8.1				0.02		-RA
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	10.5		54.0	54.0	100	0	0.0				0.05		-RA FG
01/01/1970	0000	2.0		53.1	53.1	100	70	3.5						-DZ FG
01/01/1970	0000	2.0		53.1	53.1	100	60	12.7						-DZ FG
01/01/1970	0000	5.5		54.0	54.0	100	60	9.2				0.01
01/01/1970	0000	10.5		54.0	53.1	97	100	11.5				0.02
01/01/1970	0000	5.0		55.0	54.0	96	90	16.1				0.04		-RA FG
01/01/1970	0000	4.0		55.0	54.0	96	70	8.1						-RA FG
01/01/1970	0000	8.0		54.0	48.9	83	60	5.8						-RA
01/01/1970	0000	9.0		48.9	45.0	86	0	0.0
01/01/1970	0000	8.0		46.0	44.1	93	0	0.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	8.0		48.0	46.0	93	0	0.0
01/01/1970	0000	10.0		52.0	48.9	89	350	4.6
01/01/1970	0000	10.0		57.9	51.1	78	230	5.8
01/01/1970	0000	15.0		64.9	43.0	45	280	8.1
01/01/1970	0000	15.0		64.9	43.0	45	260	5.8
01/01/1970	0000	15.0		59.0	48.0	67	260	5.8
01/01/1970	0000	0.8		46.0	45.0	96	260	11.5						FG
01/01/1970	0000	0.1		46.0	45.0	96	290	5.8						FG
01/01/1970	0000	0.1		45.0	45.0	100	0	0.0						FG
01/01/1970	0000	15.0		48.9	48.0	97	240	4.6				0.01
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	15.0		55.0	44.1	66	340	10.4				0.02		-SHRA
01/01/1970	0000	10.0		57.9	46.0	65	330	9.2						-SHRA
01/01/1970	0000	15.0		62.1	44.1	52	280	13.8
01/01/1970	0000	15.0		55.9	44.1	64	260	11.5
01/01/1970	0000	8.0		50.0	45.0	83	270	9.2
01/01/1970	0000	8.0		44.1	42.1	93	360	6.9
01/01/1970	0000	10.0		46.0	43.0	89	280	8.1
01/01/1970	0000	15.0		51.1	44.1	77	290	10.4
01/01/1970	0000	15.0		57.0	44.1	62	290	13.8
01/01/1970	0000	15.0		59.0	45.0	60	270	16.1
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	15.0		53.1	43.0	69	280	16.1
01/01/1970	0000	10.0		48.9	41.0	74	220	11.5
01/01/1970	0000	15.0		48.9	42.1	77	270	13.8
01/01/1970	0000	8.0		46.0	43.0	89	280	11.5						-RA
01/01/1970	0000	10.0		46.9	44.1	90	0	0.0
01/01/1970	0000	10.0		52.0	48.9	89	260	11.5				0.01
01/01/1970	0000	15.0		55.0	52.0	89	270	8.1				0.01		-SHRA
01/01/1970	0000	10.0		64.9	48.0	54	100	13.8				0.14
01/01/1970	0000	15.0		62.1	48.0	60	60	9.2
01/01/1970	0000	15.0		55.9	45.0	67	120	9.2
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	10.0		51.1	48.0	89	250	6.9
01/01/1970	0000	7.0		50.0	48.0	93	260	6.9
01/01/1970	0000	7.0		53.1	51.1	93	280	11.5
01/01/1970	0000	4.0		55.9	55.9	100	170	4.6						FG
01/01/1970	0000	5.0		57.9	55.9	93	0	0.0				0.01		FG
01/01/1970	0000	3.0		60.1	57.0	90	180	4.6				0.05		-RA FG
01/01/1970	0000	4.0		59.0	55.0	87	220	4.6				0.08		-RA FG
01/01/1970	0000	10.0		62.1	50.0	65	60	11.5
01/01/1970	0000	10.0		55.0	52.0	89	0	0.0
01/01/1970	0000	8.0		53.1	50.0	89	0	0.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	10.0		53.1	48.9	86	0	0.0
01/01/1970	0000	15.0		60.1	50.0	69	260	5.8
01/01/1970	0000	15.0		70.0	44.1	39	260	10.4
01/01/1970	0000	15.0		72.0	44.1	37	220	15.0
01/01/1970	0000	15.0		71.1	48.9	46	220	13.8
01/01/1970	0000	10.0		66.0	48.9	54	240	15.0
01/01/1970	0000	9.0		57.9	55.0	90	240	8.1
01/01/1970	0000	3.0		51.1	51.1	100	0	0.0						FG
01/01/1970	0000	2.0		54.0	54.0	100	0	0.0						FG
01/01/1970	0000	6.0		60.1	57.9	93	0	0.0						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	7.0		66.0	61.0	84	80	8.1
01/01/1970	0000	4.0		64.9	61.0	87	170	12.7						FG
01/01/1970	0000	10.5		63.0	59.0	87	180	9.2						-SHRA FG
01/01/1970	0000	4.0		62.1	57.9	86	80	9.2						FG
01/01/1970	0000	10.5		59.0	57.9	96	360	3.5						FG
01/01/1970	0000	2.0		59.0	57.0	93	90	4.6						FG
01/01/1970	0000	3.0		59.0	57.0	93	0	0.0						FG
01/01/1970	0000	6.0		60.1	55.9	86	0	0.0						DZ
01/01/1970	0000	6.0		61.0	55.9	84	110	4.6						DZ
01/01/1970	0000	6.0		62.1	55.9	80	150	5.8						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	6.0		59.0	54.0	83	170	9.2						DZ
01/01/1970	0000	3.0		57.0	54.0	90	60	4.6						FG
01/01/1970	0000	10.5		54.0	52.0	93	110	8.1
01/01/1970	0000	7.0		54.0	50.0	86	90	8.1						-RA
01/01/1970	0000	7.0		55.0	48.9	80	50	9.2						-RA
01/01/1970	0000	10.0		55.9	46.0	69	40	6.9
01/01/1970	0000	10.0		59.0	45.0	60	160	4.6
01/01/1970	0000	15.0		62.1	42.1	48	160	8.1
01/01/1970	0000	15.0		64.0	42.1	45	160	16.1
01/01/1970	0000	15.0		60.1	45.0	57	130	11.5
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	8.0		55.0	46.9	74	60	6.9
01/01/1970	0000	6.0		53.1	46.9	80	120	6.9						FG
01/01/1970	0000	4.0		54.0	52.0	93	60	8.1						FG
01/01/1970	0000	5.0		54.0	51.1	90	60	11.5						FG
01/01/1970	0000	4.0		54.0	54.0	100	110	9.2				0.01		FG
01/01/1970	0000	5.0		57.0	55.0	93	100	12.7				0.01		-SHRA FG
01/01/1970	0000	15.0		60.1	54.0	80	100	11.5
01/01/1970	0000	15.0		57.9	53.1	84	90	11.5
01/01/1970	0000	15.0		57.0	52.0	83	290	4.6
01/01/1970	0000	7.0		55.9	53.1	90	0	0.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	7.0		57.9	52.0	81	290	5.8
01/01/1970	0000	7.0		60.1	55.0	83	320	6.9
01/01/1970	0000	7.0		66.0	57.9	75	360	9.2
01/01/1970	0000	7.0		72.0	60.1	66	260	15.0
01/01/1970	0000	6.0		66.9	62.1	84	140	6.9						DZ
01/01/1970	0000	5.0		61.0	57.9	90	360	5.8						FG
01/01/1970	0000	2.0		57.0	55.9	96	80	8.1						FG
01/01/1970	0000	2.0		54.0	54.0	100	160	5.8						-RA FG
01/01/1970	0000	2.0		52.0	52.0	100	50	9.2				0.05		-RA FG
01/01/1970	0000	3.0		54.0	53.1	97	60	9.2				0.32		-RA FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	10.5		54.0	54.0	100	90	13.8				0.03		-RA FG
01/01/1970	0000	10.5		57.9	57.0	97	90	11.5				0.06		-RA FG
01/01/1970	0000	7.0		57.9	53.1	84	90	5.8				0.01		-RA
01/01/1970	0000	10.0		59.0	48.0	67	70	4.6
01/01/1970	0000	10.0		51.1	46.9	86	340	3.5
01/01/1970	0000	15.0		48.0	45.0	89	0	0.0
01/01/1970	0000	15.0		50.0	46.0	86	0	0.0
01/01/1970	0000	15.0		57.0	48.9	74	0	0.0
01/01/1970	0000	15.0		66.0	50.0	56	180	4.6
01/01/1970	0000	15.0		71.1	46.0	41	280	13.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	15.0		70.0	46.9	44	290	10.4
01/01/1970	0000	10.0		66.9	55.9	68	260	9.2
01/01/1970	0000	6.0		60.1	57.0	90	260	11.5						FG
01/01/1970	0000	7.0		55.9	55.9	100	0	0.0
01/01/1970	0000	7.0		57.0	55.9	96	0	0.0				0.02
01/01/1970	0000	8.0		60.1	57.0	90	20	6.9
01/01/1970	0000	9.0		66.0	55.9	70	190	15.0
01/01/1970	0000	7.0		64.0	55.9	75	120	6.9				0.01
01/01/1970	0000	5.0		55.9	52.0	87	0	0.0				0.02		-RA DZ
01/01/1970	0000	7.0		57.0	46.0	67	50	5.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	10.0		55.9	39.9	55	260	8.1
01/01/1970	0000	10.0		55.9	39.0	53	140	5.8						-SHRA
01/01/1970	0000	10.0		57.9	37.9	47	80	11.5
01/01/1970	0000	15.0		62.1	37.9	41	160	23.0
01/01/1970	0000	15.0		66.9	37.9	34	170	13.8
01/01/1970	0000	15.0		69.1	39.9	35	160	11.5
01/01/1970	0000	15.0		66.9	32.0	27	160	13.8
01/01/1970	0000	15.0		60.1	30.9	33	180	11.5
01/01/1970	0000	15.0		43.0	34.0	70	70	3.5
01/01/1970	0000	15.0		34.0	30.0	85	0	0.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	15.0		39.0	32.0	76	0	0.0
01/01/1970	0000	15.0		46.0	33.1	60	0	0.0
01/01/1970	0000	15.0		61.0	26.1	26	360	5.8
01/01/1970	0000	15.0		66.0	25.0	21	360	11.5
01/01/1970	0000	15.0		62.1	21.9	21	300	11.5
01/01/1970	0000	15.0		55.0	28.0	35	230	6.9
01/01/1970	0000	10.0		39.9	30.9	70	250	8.1							CLR
01/01/1970	0000	10.0		32.0	28.0	85	0	0.0							CLR
01/01/1970	0000	15.0		36.0	30.0	79	250	4.6							CLR
01/01/1970	0000	15.0		43.0	28.9	57	0	0.0							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	15.0		52.0	25.0	35	350	9.2
01/01/1970	0000	15.0		57.0	28.0	33	340	12.7
01/01/1970	0000	15.0		54.0	28.9	38	340	15.0
01/01/1970	0000	15.0		52.0	30.9	44	30	17.3
01/01/1970	0000	15.0		41.0	33.1	73	260	11.5
01/01/1970	0000	8.0		34.0	33.1	97	280	5.8							CLR
01/01/1970	0000	8.0		36.0	33.1	89	270	6.9							CLR
01/01/1970	0000	10.0		39.0	37.9	96	240	4.6							CLR
01/01/1970	0000	15.0		48.9	37.0	63	360	4.6
01/01/1970	0000	7.0		48.9	44.1	83	320	6.9				0.01		-RA
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	8.0		48.9	44.1	83	350	8.1
01/01/1970	0000	7.0		50.0	39.0	66	350	3.5				0.02		-SHRA
01/01/1970	0000	6.0		45.0	42.1	90	320	4.6						DZ
01/01/1970	0000	7.0		39.0	36.0	89	0	0.0
01/01/1970	0000	10.0		42.1	39.0	89	0	0.0							CLR
01/01/1970	0000	10.0		48.9	42.1	77	100	4.6							CLR
01/01/1970	0000	15.0		57.9	41.0	53	30	4.6
01/01/1970	0000	15.0		66.0	42.1	42	280	11.5
01/01/1970	0000	15.0		62.1	44.1	52	240	16.1
01/01/1970	0000	15.0		61.0	48.0	62	250	11.5
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	6.0		55.0	52.0	89	270	9.2						DZ
01/01/1970	0000	3.0		57.0	57.0	100	330	9.2						FG
01/01/1970	0000	3.0		57.9	57.9	100	250	4.6						FG
01/01/1970	0000	5.0		57.9	57.9	100	320	11.5				0.30		-SHRA
01/01/1970	0000	10.0		66.9	57.9	73	120	3.5
01/01/1970	0000	15.0		70.0	60.1	71	250	11.5				0.02
01/01/1970	0000	10.0		77.0	48.9	37	220	13.8
01/01/1970	0000	10.0		64.0	48.9	58	0	0.0
01/01/1970	0000	15.0		50.0	48.0	93	330	4.6
01/01/1970	0000	8.0		50.0	46.9	89	0	0.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	10.0		50.0	46.9	89	0	0.0
01/01/1970	0000	10.0		51.1	50.0	96	0	0.0
01/01/1970	0000	15.0		53.1	50.0	89	220	3.5
01/01/1970	0000	15.0		63.0	37.0	38	310	12.7
01/01/1970	0000	15.0		63.0	37.9	40	280	12.7
01/01/1970	0000	15.0		54.0	39.0	57	240	11.5							CLR
01/01/1970	0000	10.0		45.0	37.9	76	270	9.2							CLR
01/01/1970	0000	7.0		36.0	36.0	100	180	3.5							CLR
01/01/1970	0000	10.0		39.9	37.0	89	270	8.1
01/01/1970	0000	10.0		43.0	39.0	86	0	0.0							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	15.0		52.0	39.9	63	50	8.1
01/01/1970	0000	15.0		57.9	41.0	53	30	11.5
01/01/1970	0000	15.0		55.0	37.9	52	260	12.7
01/01/1970	0000	15.0		50.0	37.0	61	300	12.7
01/01/1970	0000	15.0		46.0	36.0	68	290	9.2
01/01/1970	0000	10.0		46.0	35.1	65	280	9.2
01/01/1970	0000	10.0		43.0	30.9	62	260	11.5
01/01/1970	0000	15.0		44.1	21.9	41	310	11.5
01/01/1970	0000	15.0		54.0	26.1	34	300	17.3

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