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	15.0		51.1	34.0	52	220	9.2							CLR
01/01/1970	0000	15.0		52.0	37.0	57	260	13.8							CLR
01/01/1970	0000	3.0		41.0	36.0	82	260	11.5						FU	CLR
01/01/1970	0000	10.5		26.1	26.1	100	360	4.6						FG
01/01/1970	0000	6.0		27.0	27.0	100	320	5.8						FG
01/01/1970	0000	10.0		28.0	28.0	100	320	5.8							CLR
01/01/1970	0000	15.0		30.9	30.9	100	230	4.6							CLR
01/01/1970	0000	15.0		35.1	33.1	92	230	8.1
01/01/1970	0000	15.0		42.1	33.1	70	250	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		50.0	28.9	44	280	16.1
01/01/1970	0000	15.0		44.1	34.0	67	300	10.4
01/01/1970	0000	8.0		32.0	30.0	92	310	6.9
01/01/1970	0000	10.0		28.9	28.9	100	300	6.9							CLR
01/01/1970	0000	10.0		35.1	35.1	100	270	8.1							CLR
01/01/1970	0000	15.0		36.0	35.1	97	280	17.3
01/01/1970	0000	15.0		39.9	36.0	86	270	15.0
01/01/1970	0000	15.0		46.0	35.1	65	300	13.8
01/01/1970	0000	15.0		51.1	37.9	61	290	17.3
01/01/1970	0000	15.0		48.0	39.9	73	270	17.3						-SHRA
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	15.0		46.0	39.9	79	270	13.8
01/01/1970	0000	15.0		45.0	37.9	76	260	11.5
01/01/1970	0000	15.0		43.0	34.0	70	250	13.8
01/01/1970	0000	15.0		42.1	32.0	67	270	13.8
01/01/1970	0000	15.0		45.0	37.9	76	300	6.9
01/01/1970	0000	10.0		50.0	42.1	74	270	9.2
01/01/1970	0000	15.0		55.0	41.0	59	60	6.9
01/01/1970	0000	15.0		53.1	44.1	71	90	4.6
01/01/1970	0000	15.0		46.9	44.1	90	260	10.4
01/01/1970	0000	10.0		48.9	44.1	83	260	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		53.1	37.0	54	120	11.5
01/01/1970	0000	15.0		55.9	37.0	49	170	15.0
01/01/1970	0000	15.0		55.9	37.9	51	180	20.7
01/01/1970	0000	15.0		60.1	39.9	47	140	15.0
01/01/1970	0000	15.0		59.0	39.0	47	250	11.5
01/01/1970	0000	8.0		50.0	39.0	66	140	8.1
01/01/1970	0000	7.0		37.9	36.0	93	40	3.5
01/01/1970	0000	8.0		39.9	36.0	86	0	0.0
01/01/1970	0000	10.0		34.0	33.1	97	300	10.4							CLR
01/01/1970	0000	15.0		39.9	37.9	93	270	12.7
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	15.0		44.1	36.0	73	250	9.2
01/01/1970	0000	15.0		48.0	34.0	58	250	20.7
01/01/1970	0000	15.0		48.0	32.0	54	270	18.4
01/01/1970	0000	15.0		45.0	39.0	80	300	15.0
01/01/1970	0000	15.0		46.9	41.0	80	250	13.8
01/01/1970	0000	7.0		45.0	43.0	93	270	12.7
01/01/1970	0000	7.0		48.9	44.1	83	270	11.5
01/01/1970	0000	7.0		48.0	45.0	89	290	6.9
01/01/1970	0000	9.0		46.9	43.0	86	270	9.2
01/01/1970	0000	10.0		48.9	44.1	83	240	8.1
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	46.0	77	240	13.8
01/01/1970	0000	10.0		51.1	48.0	89	240	11.5
01/01/1970	0000	9.0		48.0	48.0	100	250	9.2
01/01/1970	0000	2.0		48.0	48.0	100	270	8.1				0.02		FG
01/01/1970	0000	2.0		48.9	48.9	100	280	4.6				0.04		-RA FG
01/01/1970	0000	3.0		50.0	50.0	100	270	11.5				0.02		-RA FG
01/01/1970	0000	3.0		48.9	48.0	97	270	11.5				0.09		TSRA FG
01/01/1970	0000	5.5		48.9	48.0	97	280	5.8				0.26		RA FG
01/01/1970	0000	3.0		48.0	46.0	93	250	6.9				0.06		-RA FG
01/01/1970	0000	6.0		46.9	43.0	86	330	8.1				0.01		-RA
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	10.0		44.1	41.0	89	260	4.6
01/01/1970	0000	10.0		37.0	37.0	100	320	6.9
01/01/1970	0000	10.0		39.0	39.0	100	280	5.8
01/01/1970	0000	15.0		41.0	39.0	93	340	3.5
01/01/1970	0000	15.0		46.9	39.9	76	0	0.0
01/01/1970	0000	15.0		61.0	36.0	39	240	10.4
01/01/1970	0000	15.0		61.0	39.9	46	290	12.7
01/01/1970	0000	15.0		57.0	43.0	59	240	18.4
01/01/1970	0000	10.0		54.0	48.0	80	260	10.4							CLR
01/01/1970	0000	5.0		50.0	50.0	100	30	3.5						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	7.0		53.1	51.1	93	330	3.5
01/01/1970	0000	8.0		54.0	50.0	86	60	11.5
01/01/1970	0000	10.0		57.9	46.9	67	90	10.4
01/01/1970	0000	10.0		63.0	46.9	56	150	13.8
01/01/1970	0000	10.0		61.0	46.9	60	120	5.8
01/01/1970	0000	7.0		46.9	45.0	93	120	5.8
01/01/1970	0000	0.3		41.0	41.0	100	10	6.9						FG
01/01/1970	0000	7.0		37.0	37.0	100	270	4.6							CLR
01/01/1970	0000	10.0		39.0	39.0	100	320	6.9							CLR
01/01/1970	0000	10.0		42.1	39.9	92	240	5.8							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	15.0		50.0	42.1	74	330	6.9							CLR
01/01/1970	0000	15.0		62.1	39.9	44	290	15.0							CLR
01/01/1970	0000	15.0		59.0	39.9	49	310	15.0
01/01/1970	0000	15.0		57.0	41.0	55	270	18.4
01/01/1970	0000	15.0		50.0	42.1	74	270	11.5
01/01/1970	0000	10.0		48.9	42.1	77	290	11.5							CLR
01/01/1970	0000	10.0		53.1	39.9	61	310	17.3
01/01/1970	0000	10.0		57.9	45.0	62	300	16.1
01/01/1970	0000	15.0		59.0	43.0	55	320	6.9
01/01/1970	0000	15.0		66.0	44.1	45	290	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		64.9	48.9	56	260	13.8							CLR
01/01/1970	0000	5.0		53.1	48.9	86	300	13.8						DZ	CLR
01/01/1970	0000	0.3		45.0	45.0	100	350	5.8						FG
01/01/1970	0000	0.5		46.9	46.9	100	330	8.1						FG
01/01/1970	0000	7.0		46.9	46.9	100	280	4.6
01/01/1970	0000	10.0		51.1	51.1	100	340	3.5
01/01/1970	0000	15.0		55.0	51.1	87	250	5.8
01/01/1970	0000	15.0		64.0	60.1	87	280	11.5
01/01/1970	0000	4.0		68.0	68.0	100	260	11.5				0.01		FG
01/01/1970	0000	2.0		66.9	66.9	100	120	3.5				0.01		-RA FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	2.0		66.0	66.0	100	100	13.8				0.16		-RA FG
01/01/1970	0000	5.0		64.9	64.9	100	90	19.6				0.16		RA FG
01/01/1970	0000	6.0		68.0	68.0	100	120	13.8				0.03		-RA
01/01/1970	0000	8.0		68.0	66.9	96	140	8.1				0.01
01/01/1970	0000	8.0		66.9	66.9	100	90	8.1				0.04		-RA
01/01/1970	0000	6.0		68.0	68.0	100	60	9.2						FG
01/01/1970	0000	3.0		68.0	68.0	100	170	15.0						-RA FG
01/01/1970	0000	4.0		70.0	66.0	87	110	10.4						DZ
01/01/1970	0000	5.0		66.0	64.9	96	40	4.6
01/01/1970	0000	4.0		64.9	64.0	97	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	5.0		64.0	63.0	96	70	11.5						DZ
01/01/1970	0000	5.0		57.0	55.9	96	150	6.9						DZ	CLR
01/01/1970	0000	8.0		61.0	60.1	97	240	4.6							CLR
01/01/1970	0000	9.0		72.0	62.1	71	140	9.2
01/01/1970	0000	7.0		71.1	63.0	76	30	4.6
01/01/1970	0000	3.0		66.0	64.0	93	150	4.6						FG
01/01/1970	0000	5.5		57.9	57.9	100	360	3.5						FG
01/01/1970	0000	1.0		55.9	55.9	100	0	0.0						FG
01/01/1970	0000	1.0		55.9	55.9	100	0	0.0						FG
01/01/1970	0000	5.0		64.0	62.1	93	70	8.1						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	5.0		64.9	60.1	84	70	11.5						DZ	CLR
01/01/1970	0000	6.0		73.0	62.1	69	140	9.2						DZ	CLR
01/01/1970	0000	3.0		71.1	63.0	76	120	3.5						DZ
01/01/1970	0000	10.5		66.0	63.0	90	120	9.2						FG
01/01/1970	0000	5.5		61.0	61.0	100	60	10.4						FG
01/01/1970	0000	5.5		60.1	60.1	100	170	3.5						FG
01/01/1970	0000	5.5		53.1	53.1	100	330	3.5						FG
01/01/1970	0000	3.0		57.0	57.0	100	20	5.8
01/01/1970	0000	4.0		64.0	61.0	90	50	9.2						DZ
01/01/1970	0000	3.0		70.0	62.1	76	170	12.7						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	10.5		68.0	61.0	78	170	12.7
01/01/1970	0000	10.5		64.9	63.0	93	160	9.2						FG
01/01/1970	0000	5.5		63.0	63.0	100	60	4.6						FG
01/01/1970	0000	5.5		60.1	60.1	100	160	9.2						FG
01/01/1970	0000	5.5		61.0	61.0	100	160	6.9						FG
01/01/1970	0000	3.0		62.1	62.1	100	140	8.1						FG
01/01/1970	0000	3.0		63.0	61.0	93	90	8.1						FG
01/01/1970	0000	10.5		66.9	62.1	84	40	10.4						DZ
01/01/1970	0000	4.0		66.0	61.0	84	70	9.2						DZ
01/01/1970	0000	0.8		54.0	54.0	100	220	4.6						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	0.0		52.0	52.0	100	340	6.9						FG
01/01/1970	0000	0.0		52.0	52.0	100	0	0.0						FG
01/01/1970	0000	0.8		55.0	54.0	96	280	4.6						FG
01/01/1970	0000	4.0		53.1	53.1	100	270	3.5						FG
01/01/1970	0000	5.0		60.1	59.0	96	340	3.5						DZ
01/01/1970	0000	6.0		70.0	60.1	71	240	3.5						DZ	CLR
01/01/1970	0000	5.0		68.0	61.0	78	190	4.6						DZ
01/01/1970	0000	10.5		62.1	59.0	90	260	9.2
01/01/1970	0000	0.3		57.9	57.9	100	280	5.8						FG
01/01/1970	0000	0.1		57.9	57.9	100	250	4.6						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	0.5		54.0	54.0	100	0	0.0						FG
01/01/1970	0000	4.0		60.1	60.1	100	0	0.0
01/01/1970	0000	4.0		62.1	59.0	90	230	8.1						DZ
01/01/1970	0000	4.0		66.9	60.1	79	190	10.4						DZ
01/01/1970	0000	6.0		68.0	59.0	73	90	6.9						DZ
01/01/1970	0000	6.0		64.9	60.1	84	160	11.5						DZ
01/01/1970	0000	4.0		59.0	55.0	87	160	8.1						DZ
01/01/1970	0000	2.0		57.9	55.9	93	90	6.9						FG
01/01/1970	0000	3.0		57.9	55.9	93	70	8.1						FG
01/01/1970	0000	6.0		55.9	54.0	93	100	8.1						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	7.0		59.0	55.0	87	40	6.9
01/01/1970	0000	9.0		62.1	53.1	72	150	8.1
01/01/1970	0000	10.0		64.0	54.0	70	120	4.6
01/01/1970	0000	3.0		59.0	55.9	90	170	5.8						FG
01/01/1970	0000	10.5		55.9	55.0	97	40	6.9						FG
01/01/1970	0000	5.5		55.0	55.0	100	40	5.8						FG
01/01/1970	0000	5.5		54.0	54.0	100	60	9.2						-DZ FG
01/01/1970	0000	5.5		53.1	53.1	100	60	13.8				0.02		-DZ FG
01/01/1970	0000	2.0		53.1	52.0	96	40	13.8				0.03		-RA FG
01/01/1970	0000	4.0		54.0	50.0	86	70	8.1
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	10.0		57.0	46.9	69	130	12.7
01/01/1970	0000	8.0		55.0	46.9	74	100	9.2
01/01/1970	0000	9.0		52.0	45.0	77	180	13.8
01/01/1970	0000	6.0		55.0	48.0	77	70	12.7						DZ
01/01/1970	0000	6.0		55.0	48.9	80	70	10.4						DZ
01/01/1970	0000	6.0		51.1	48.0	89	200	5.8						DZ
01/01/1970	0000	6.0		55.0	50.0	83	200	5.8						FU
01/01/1970	0000	7.0		60.1	48.9	67	110	5.8
01/01/1970	0000	8.0		60.1	48.9	67	280	5.8
01/01/1970	0000	8.0		53.1	46.9	80	130	9.2
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	4.0		42.1	41.0	96	250	5.8						FG
01/01/1970	0000	4.0		43.0	41.0	93	300	3.5						FG
01/01/1970	0000	6.0		41.0	41.0	100	300	4.6						FG
01/01/1970	0000	8.0		46.0	44.1	93	0	0.0
01/01/1970	0000	10.0		51.1	45.0	80	260	5.8
01/01/1970	0000	15.0		61.0	44.1	54	340	12.7
01/01/1970	0000	15.0		60.1	44.1	55	360	10.4
01/01/1970	0000	10.0		55.9	45.0	67	340	5.8
01/01/1970	0000	5.0		50.0	48.0	93	270	9.2						FG
01/01/1970	0000	7.0		46.9	46.9	100	260	5.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	7.0		48.9	48.9	100	270	9.2
01/01/1970	0000	10.0		50.0	48.9	96	280	8.1
01/01/1970	0000	10.0		55.9	51.1	84	260	11.5
01/01/1970	0000	10.0		59.0	51.1	75	260	13.8
01/01/1970	0000	15.0		59.0	51.1	75	290	13.8
01/01/1970	0000	8.0		57.0	53.1	87	270	10.4
01/01/1970	0000	2.0		50.0	50.0	100	260	11.5						FG
01/01/1970	0000	3.0		54.0	53.1	97	0	0.0				0.04		-RA FG
01/01/1970	0000	3.0		53.1	51.1	93	100	11.5				0.04		-RA FG
01/01/1970	0000	7.0		51.1	48.9	92	20	11.5				0.05		-RA
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	46.9	80	140	15.0				0.03		-RA
01/01/1970	0000	15.0		57.9	36.0	44	90	9.2
01/01/1970	0000	15.0		57.0	42.1	57	160	15.0
01/01/1970	0000	15.0		45.0	41.0	86	130	9.2
01/01/1970	0000	0.3		36.0	35.1	97	360	5.8						FG
01/01/1970	0000	0.5		33.1	33.1	100	330	5.8						FG
01/01/1970	0000	10.0		33.1	33.1	100	320	4.6							CLR
01/01/1970	0000	15.0		37.9	36.0	93	320	5.8							CLR
01/01/1970	0000	15.0		45.0	39.9	82	310	4.6
01/01/1970	0000	15.0		52.0	41.0	66	290	12.7
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	36.0	54	240	15.0
01/01/1970	0000	15.0		51.1	36.0	56	270	11.5
01/01/1970	0000	15.0		44.1	37.9	79	330	11.5
01/01/1970	0000	15.0		42.1	39.0	89	280	4.6
01/01/1970	0000	15.0		44.1	39.0	82	270	10.4
01/01/1970	0000	15.0		41.0	39.9	96	280	10.4
01/01/1970	0000	15.0		46.0	37.9	73	280	12.7
01/01/1970	0000	15.0		52.0	45.0	77	310	13.8
01/01/1970	0000	15.0		53.1	37.9	56	260	16.1
01/01/1970	0000	15.0		52.0	37.0	57	250	17.3
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	15.0		48.0	37.9	68	270	15.0
01/01/1970	0000	15.0		46.0	42.1	86	290	10.4							CLR
01/01/1970	0000	15.0		48.9	45.0	86	260	8.1							CLR
01/01/1970	0000	15.0		55.9	42.1	60	270	15.0
01/01/1970	0000	15.0		59.0	55.9	90	260	9.2
01/01/1970	0000	7.0		66.9	63.0	87	270	10.4						-SHRA
01/01/1970	0000	9.0		72.0	64.0	76	180	15.0
01/01/1970	0000	7.0		68.0	63.0	84	140	5.8
01/01/1970	0000	7.0		64.9	62.1	90	0	0.0				0.02		-SHRA
01/01/1970	0000	8.0		64.0	57.9	81	60	13.8				0.02
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	8.0		64.9	59.0	81	60	11.5							CLR
01/01/1970	0000	8.0		71.1	55.0	57	180	11.5
01/01/1970	0000	10.0		73.0	57.0	57	160	13.8
01/01/1970	0000	10.0		77.0	61.0	58	160	19.6
01/01/1970	0000	7.0		78.1	62.1	58	180	15.0
01/01/1970	0000	0.8		59.0	57.9	96	170	4.6						FG
01/01/1970	0000	0.1		54.0	54.0	100	360	5.8						FG
01/01/1970	0000	2.0		52.0	52.0	100	270	4.6						FG
01/01/1970	0000	4.0		57.9	57.9	100	0	0.0						FG
01/01/1970	0000	7.0		61.0	60.1	97	180	4.6
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	7.0		64.9	61.0	87	10	5.8
01/01/1970	0000	10.0		77.0	63.0	62	230	9.2
01/01/1970	0000	8.0		75.0	61.0	62	130	5.8
01/01/1970	0000	6.0		61.0	55.0	81	80	6.9						DZ	CLR
01/01/1970	0000	5.0		50.0	48.9	96	320	8.1						FG	CLR
01/01/1970	0000	8.0		46.9	46.9	100	10	6.9							CLR
01/01/1970	0000	10.0		51.1	51.1	100	50	6.9							CLR
01/01/1970	0000	15.0		57.0	54.0	90	310	8.1
01/01/1970	0000	15.0		63.0	52.0	67	260	9.2

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