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		72.0	52.0	49	250	16.1
01/01/1970	0000	15.0		70.0	50.0	49	270	18.4
01/01/1970	0000	10.0		60.1	53.1	78	270	11.5
01/01/1970	0000	0.5		46.0	46.0	100	360	5.8						FG
01/01/1970	0000	10.0		45.0	45.0	100	280	4.6
01/01/1970	0000	10.0		50.0	50.0	100	280	11.5
01/01/1970	0000	15.0		52.0	52.0	100	270	4.6
01/01/1970	0000	15.0		54.0	51.1	90	0	0.0
01/01/1970	0000	15.0		62.1	46.0	56	240	5.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	15.0		62.1	42.1	48	320	12.7
01/01/1970	0000	15.0		57.9	48.9	72	270	8.1
01/01/1970	0000	10.0		46.0	45.0	96	320	6.9
01/01/1970	0000	7.0		42.1	42.1	100	270	4.6							CLR
01/01/1970	0000	8.0		45.0	45.0	100	350	6.9							CLR
01/01/1970	0000	15.0		50.0	50.0	100	20	4.6							CLR
01/01/1970	0000	15.0		54.0	50.0	86	260	6.9
01/01/1970	0000	15.0		70.0	46.0	42	310	12.7
01/01/1970	0000	15.0		70.0	48.9	47	310	9.2
01/01/1970	0000	4.0		57.9	55.9	93	270	5.8						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	0.1		48.9	48.9	100	330	8.1						FG
01/01/1970	0000	2.0		46.9	46.9	100	360	3.5						FG
01/01/1970	0000	4.0		48.9	48.9	100	260	4.6						FG	CLR
01/01/1970	0000	6.0		53.1	52.0	96	330	5.8						DZ
01/01/1970	0000	10.0		59.0	55.9	90	300	4.6							CLR
01/01/1970	0000	10.0		66.9	60.1	79	130	5.8
01/01/1970	0000	10.0		69.1	54.0	59	50	4.6
01/01/1970	0000	2.0		54.0	53.1	97	320	3.5						FG
01/01/1970	0000	0.3		51.1	51.1	100	290	9.2						FG
01/01/1970	0000	4.0		50.0	50.0	100	340	5.8						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	7.0		50.0	48.0	93	280	4.6							CLR
01/01/1970	0000	10.0		53.1	50.0	89	330	6.9
01/01/1970	0000	10.0		61.0	54.0	78	300	4.6
01/01/1970	0000	15.0		70.0	51.1	51	270	8.1
01/01/1970	0000	15.0		71.1	48.9	46	280	10.4
01/01/1970	0000	15.0		68.0	55.0	63	260	11.5
01/01/1970	0000	7.0		59.0	57.9	96	330	5.8
01/01/1970	0000	3.0		61.0	61.0	100	270	10.4						FG
01/01/1970	0000	3.0		64.0	64.0	100	310	4.6						-SHRA FG
01/01/1970	0000	3.0		66.9	66.9	100	280	9.2						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	6.0		70.0	68.0	94	260	6.9						-SHRA DZ
01/01/1970	0000	4.0		73.9	73.0	97	130	6.9						DZ
01/01/1970	0000	3.0		71.1	71.1	100	150	9.2				0.10		-SHRA DZ
01/01/1970	0000	1.0		68.0	66.9	96	0	0.0						FG
01/01/1970	0000	0.1		64.9	64.9	100	0	0.0						FG
01/01/1970	0000	0.1		66.0	66.0	100	20	5.8						FG
01/01/1970	0000	1.0		63.0	63.0	100	310	5.8						FG
01/01/1970	0000	3.0		68.0	68.0	100	260	5.8						DZ
01/01/1970	0000	4.0		75.9	70.0	82	170	11.5						DZ
01/01/1970	0000	3.0		79.0	72.0	79	150	15.0						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	10.5		79.0	72.0	79	60	9.2						DZ	CLR
01/01/1970	0000	1.0		66.9	66.9	100	80	4.6						FG
01/01/1970	0000	0.1		62.1	62.1	100	10	5.8						-DZ FG
01/01/1970	0000	0.8		64.0	64.0	100	340	5.8						FG
01/01/1970	0000	0.8		63.0	63.0	100	290	4.6						FG
01/01/1970	0000	2.0		64.0	64.0	100	260	4.6						FG
01/01/1970	0000	4.0		68.0	68.0	100	70	5.8
01/01/1970	0000	5.0		75.0	69.1	82	120	5.8						DZ
01/01/1970	0000	3.0		71.1	66.9	87	170	4.6						DZ
01/01/1970	0000	5.5		64.9	64.9	100	230	5.8						-SHRA FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	0.3		60.1	60.1	100	350	5.8						FG
01/01/1970	0000	5.5		60.1	60.1	100	350	6.9						FG
01/01/1970	0000	5.5		63.0	63.0	100	300	6.9						FG
01/01/1970	0000	5.0		62.1	62.1	100	350	4.6						FG
01/01/1970	0000	6.0		64.9	63.0	93	290	10.4						-SHRA FG
01/01/1970	0000	6.0		79.0	70.0	74	140	10.4				0.02		TSRA DZ
01/01/1970	0000	6.0		80.1	69.1	69	200	5.8						DZ
01/01/1970	0000	5.0		68.0	63.0	84	260	9.2						DZ	CLR
01/01/1970	0000	0.1		59.0	59.0	100	280	6.9						FG
01/01/1970	0000	5.5		55.9	55.9	100	300	4.6						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	5.0		57.9	57.9	100	300	4.6						FG	CLR
01/01/1970	0000	10.0		63.0	62.1	97	290	4.6							CLR
01/01/1970	0000	10.0		70.0	64.0	82	350	11.5							CLR
01/01/1970	0000	10.0		78.1	63.0	60	170	10.4							CLR
01/01/1970	0000	10.0		75.9	62.1	62	0	0.0							CLR
01/01/1970	0000	7.0		64.9	59.0	81	270	5.8							CLR
01/01/1970	0000	0.3		54.0	54.0	100	330	5.8						FG
01/01/1970	0000	1.0		50.0	50.0	100	0	0.0						FG	CLR
01/01/1970	0000	5.0		53.1	53.1	100	280	5.8						FG	CLR
01/01/1970	0000	10.0		57.0	57.0	100	240	4.6							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	10.0		64.0	59.0	84	0	0.0							CLR
01/01/1970	0000	15.0		75.0	55.0	50	90	12.7							CLR
01/01/1970	0000	10.0		75.0	55.0	50	140	11.5							CLR
01/01/1970	0000	6.0		64.0	55.0	73	70	4.6						DZ	CLR
01/01/1970	0000	7.0		52.0	50.0	93	300	4.6							CLR
01/01/1970	0000	7.0		46.0	46.0	100	300	5.8							CLR
01/01/1970	0000	7.0		52.0	51.1	97	20	4.6							CLR
01/01/1970	0000	10.0		55.9	54.0	93	350	5.8
01/01/1970	0000	15.0		62.1	55.0	78	20	5.8
01/01/1970	0000	15.0		75.0	52.0	45	180	5.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	15.0		77.0	52.0	42	80	10.4
01/01/1970	0000	10.0		61.0	55.9	84	230	5.8
01/01/1970	0000	7.0		54.0	53.1	97	40	4.6
01/01/1970	0000	7.0		50.0	50.0	100	330	6.9							CLR
01/01/1970	0000	10.0		50.0	50.0	100	290	6.9							CLR
01/01/1970	0000	10.0		55.0	53.1	93	340	5.8							CLR
01/01/1970	0000	15.0		61.0	54.0	78	300	5.8							CLR
01/01/1970	0000	10.0		75.0	51.1	43	160	10.4							CLR
01/01/1970	0000	8.0		73.9	59.0	60	110	10.4							CLR
01/01/1970	0000	6.0		71.1	55.9	59	80	8.1						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	10.5		62.1	60.1	93	90	9.2						DZ
01/01/1970	0000	4.0		63.0	63.0	100	90	6.9						FG
01/01/1970	0000	4.0		59.0	59.0	100	270	4.6
01/01/1970	0000	4.0		62.1	62.1	100	220	4.6						DZ
01/01/1970	0000	6.0		68.0	64.9	90	360	5.8						DZ	CLR
01/01/1970	0000	8.0		75.9	62.1	62	150	8.1							CLR
01/01/1970	0000	7.0		77.0	64.9	66	180	8.1							CLR
01/01/1970	0000	5.5		63.0	61.0	93	190	6.9
01/01/1970	0000	0.1		57.9	57.9	100	0	0.0						FG
01/01/1970	0000	0.0		57.9	57.9	100	350	4.6						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	6.0		55.9	55.9	100	300	5.8						FG	CLR
01/01/1970	0000	10.0		59.0	59.0	100	290	5.8							CLR
01/01/1970	0000	10.0		66.9	64.0	91	360	5.8							CLR
01/01/1970	0000	10.0		75.9	59.0	56	110	5.8							CLR
01/01/1970	0000	10.0		75.9	63.0	64	50	4.6							CLR
01/01/1970	0000	3.0		62.1	60.1	93	280	5.8						DZ
01/01/1970	0000	0.1		55.9	55.9	100	360	5.8						FG
01/01/1970	0000	0.5		54.0	54.0	100	0	0.0						FG
01/01/1970	0000	2.0		54.0	54.0	100	0	0.0						FG	CLR
01/01/1970	0000	10.0		57.9	57.9	100	320	4.6
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	10.0		66.9	63.0	87	340	5.8
01/01/1970	0000	15.0		73.9	61.0	64	140	4.6
01/01/1970	0000	15.0		73.9	59.0	60	230	9.2
01/01/1970	0000	9.0		66.9	57.9	73	160	6.9
01/01/1970	0000	7.0		55.0	54.0	96	280	4.6
01/01/1970	0000	10.0		51.1	51.1	100	270	4.6							CLR
01/01/1970	0000	15.0		53.1	53.1	100	300	6.9							CLR
01/01/1970	0000	15.0		55.9	55.9	100	300	3.5							CLR
01/01/1970	0000	15.0		63.0	59.0	87	250	5.8							CLR
01/01/1970	0000	15.0		75.9	46.9	36	330	9.2							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	15.0		73.9	55.0	52	220	12.7							CLR
01/01/1970	0000	10.0		68.0	57.0	68	240	13.8							CLR
01/01/1970	0000	2.0		53.1	51.1	93	320	4.6						FG
01/01/1970	0000	10.0		48.9	48.9	100	310	9.2							CLR
01/01/1970	0000	10.0		51.1	50.0	96	310	4.6							CLR
01/01/1970	0000	15.0		55.0	53.1	93	220	4.6							CLR
01/01/1970	0000	15.0		64.0	50.0	60	140	4.6
01/01/1970	0000	15.0		77.0	44.1	31	310	17.3							CLR
01/01/1970	0000	15.0		77.0	50.0	39	280	17.3							CLR
01/01/1970	0000	15.0		66.9	57.9	73	260	15.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	15.0		57.9	53.1	84	270	15.0
01/01/1970	0000	15.0		54.0	52.0	93	270	16.1							CLR
01/01/1970	0000	15.0		53.1	51.1	93	270	10.4							CLR
01/01/1970	0000	15.0		53.1	51.1	93	180	4.6							CLR
01/01/1970	0000	15.0		57.9	50.0	75	290	10.4							CLR
01/01/1970	0000	15.0		70.0	46.0	42	300	15.0
01/01/1970	0000	15.0		70.0	50.0	49	300	16.1
01/01/1970	0000	15.0		66.9	54.0	63	320	19.6
01/01/1970	0000	15.0		59.0	55.0	87	280	11.5
01/01/1970	0000	7.0		61.0	57.9	90	250	11.5
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	4.0		60.1	60.1	100	270	17.3						-SHRA FG
01/01/1970	0000	7.0		59.0	57.9	96	270	10.4						-RA
01/01/1970	0000	7.0		62.1	60.1	93	280	9.2
01/01/1970	0000	9.0		63.0	60.1	90	280	8.1
01/01/1970	0000	10.0		69.1	62.1	78	240	13.8
01/01/1970	0000	9.0		66.9	64.0	91	260	15.0
01/01/1970	0000	4.0		64.9	64.0	97	270	10.4						FG
01/01/1970	0000	5.5		66.0	66.0	100	280	9.2				0.01		FG
01/01/1970	0000	5.5		64.0	64.0	100	230	4.6						FG
01/01/1970	0000	2.0		64.9	64.9	100	30	8.1				0.05		-RA FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	5.5		66.0	66.0	100	100	9.2				0.12		-RA FG
01/01/1970	0000	2.0		68.0	68.0	100	310	4.6				0.10		-RA FG
01/01/1970	0000	5.5		66.0	66.0	100	90	11.5				0.55		+RA FG
01/01/1970	0000	10.5		63.0	63.0	100	80	13.8				0.14		-RA FG
01/01/1970	0000	5.0		64.0	60.1	87	60	12.7						DZ
01/01/1970	0000	5.0		63.0	61.0	93	50	11.5						DZ
01/01/1970	0000	5.0		66.0	60.1	81	140	11.5						DZ
01/01/1970	0000	4.0		66.0	61.0	84	110	11.5						DZ
01/01/1970	0000	4.0		69.1	60.1	73	110	8.1						DZ
01/01/1970	0000	6.0		75.9	60.1	58	190	11.5						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	6.0		73.0	60.1	64	180	9.2						DZ
01/01/1970	0000	6.0		70.0	62.1	76	340	5.8						DZ
01/01/1970	0000	0.8		57.0	55.9	96	0	0.0						FG
01/01/1970	0000	10.5		55.9	55.9	100	20	4.6						FG
01/01/1970	0000	4.0		57.9	57.9	100	40	4.6						FG	CLR
01/01/1970	0000	5.0		62.1	62.1	100	40	4.6						FG	CLR
01/01/1970	0000	10.0		68.0	66.0	93	10	4.6							CLR
01/01/1970	0000	10.0		77.0	61.0	58	160	8.1
01/01/1970	0000	9.0		75.9	63.0	64	120	8.1
01/01/1970	0000	8.0		64.0	57.0	78	290	4.6
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	0.3		54.0	54.0	100	320	6.9						FG
01/01/1970	0000	4.0		51.1	51.1	100	0	0.0						FG	CLR
01/01/1970	0000	7.0		54.0	54.0	100	0	0.0							CLR
01/01/1970	0000	10.0		57.9	57.9	100	310	6.9							CLR
01/01/1970	0000	15.0		64.0	61.0	90	180	6.9
01/01/1970	0000	15.0		78.1	57.9	50	240	12.7
01/01/1970	0000	15.0		77.0	59.0	54	240	13.8
01/01/1970	0000	9.0		69.1	57.9	68	230	9.2							CLR
01/01/1970	0000	0.3		53.1	53.1	100	320	4.6						FG
01/01/1970	0000	8.0		51.1	51.1	100	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		54.0	54.0	100	320	5.8							CLR
01/01/1970	0000	15.0		57.9	57.9	100	330	6.9							CLR
01/01/1970	0000	15.0		66.9	57.9	73	260	9.2							CLR
01/01/1970	0000	15.0		77.0	61.0	58	250	13.8
01/01/1970	0000	10.0		79.0	69.1	72	240	13.8
01/01/1970	0000	7.0		73.0	71.1	94	220	6.9
01/01/1970	0000	8.0		71.1	68.0	90	90	5.8						-RA
01/01/1970	0000	2.0		68.0	68.0	100	140	13.8						RA FG
01/01/1970	0000	5.5		64.0	64.0	100	120	11.5						RA FG
01/01/1970	0000	5.5		66.0	66.0	100	120	11.5						-RA FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	1.0		66.9	66.9	100	60	8.1						-RA FG
01/01/1970	0000	2.0		71.1	69.1	94	100	11.5						-RA DZ
01/01/1970	0000	2.0		73.0	66.0	79	130	16.1						DZ
01/01/1970	0000	10.5		72.0	64.9	79	90	10.4						DZ
01/01/1970	0000	5.0		62.1	60.1	93	130	10.4						DZ
01/01/1970	0000	10.0		59.0	57.9	96	0	0.0
01/01/1970	0000	15.0		60.1	59.0	96	310	5.8
01/01/1970	0000	15.0		64.0	64.0	100	240	4.6							CLR
01/01/1970	0000	15.0		71.1	66.0	84	0	0.0							CLR
01/01/1970	0000	15.0		81.0	64.0	57	280	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		79.0	63.0	58	180	9.2							CLR
01/01/1970	0000	10.0		73.0	63.0	71	240	5.8							CLR
01/01/1970	0000	10.5		57.9	57.9	100	260	4.6						FG
01/01/1970	0000	3.0		55.9	55.9	100	360	4.6						FG
01/01/1970	0000	5.0		57.9	57.9	100	310	4.6						FG
01/01/1970	0000	10.0		60.1	59.0	96	0	0.0							CLR
01/01/1970	0000	15.0		68.0	62.1	81	200	4.6
01/01/1970	0000	15.0		77.0	55.0	47	260	6.9
01/01/1970	0000	15.0		77.0	55.0	47	220	5.8
01/01/1970	0000	5.0		64.9	60.1	84	270	6.9						DZ	CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	0.1		54.0	54.0	100	200	5.8						-DZ FG
01/01/1970	0000	0.1		55.9	55.9	100	230	6.9						FG
01/01/1970	0000	0.5		57.9	57.9	100	50	4.6						FG
01/01/1970	0000	8.0		57.9	57.9	100	240	3.5							CLR
01/01/1970	0000	10.0		66.0	63.0	90	320	4.6							CLR
01/01/1970	0000	15.0		71.1	64.0	79	170	8.1
01/01/1970	0000	8.0		64.9	64.0	97	120	5.8				0.10
01/01/1970	0000	8.0		71.1	62.1	73	80	12.7
01/01/1970	0000	7.0		63.0	60.1	90	100	10.4
01/01/1970	0000	7.0		64.0	61.0	90	80	11.5
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	70	6.9
01/01/1970	0000	7.0		69.1	62.1	78	120	12.7
01/01/1970	0000	7.0		66.9	61.0	81	280	5.8
01/01/1970	0000	10.0		70.0	61.0	73	160	15.0
01/01/1970	0000	10.0		71.1	59.0	66	100	10.4
01/01/1970	0000	8.0		69.1	57.9	68	80	17.3
01/01/1970	0000	7.0		55.9	52.0	87	0	0.0
01/01/1970	0000	10.0		52.0	52.0	100	180	5.8
01/01/1970	0000	10.0		57.0	53.1	87	320	5.8
01/01/1970	0000	10.0		70.0	53.1	55	180	12.7
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
01/01/1970	0000	10.0		69.1	52.0	55	160	9.2							CLR

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