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
07/31/1970	2100	4.0		82.9	75.9	80	120	5.8						DZ
07/31/1970	1800	5.0		79.0	73.9	85	0	0.0						DZ
07/31/1970	1500	10.5		75.0	73.9	97	200	9.2						-SHRA FG
07/31/1970	1200	2.0		75.0	73.9	97	80	5.8						FG
07/31/1970	0900	2.0		75.0	75.0	100	100	5.8						FG
07/31/1970	0600	2.0		73.9	73.9	100	70	9.2						FG
07/31/1970	0300	3.0		73.9	73.9	100	0	0.0						FG
07/31/1970	0000	6.0		75.0	73.9	97	350	6.9						FG
07/30/1970	2100	7.0		84.9	73.0	68	170	13.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/30/1970	1800	7.0		84.9	72.0	65	170	13.8
07/30/1970	1500	5.0		77.0	72.0	85	170	6.9						DZ
07/30/1970	1200	5.5		71.1	71.1	100	110	4.6						FG
07/30/1970	0900	1.0		71.1	71.1	100	0	0.0						FG
07/30/1970	0600	5.5		72.0	72.0	100	70	6.9						FG
07/30/1970	0300	4.0		73.9	73.0	97	60	4.6						DZ
07/30/1970	0000	4.0		78.1	73.9	87	100	6.9						DZ
07/29/1970	2100	5.0		80.1	73.0	79	70	9.2						TSRA DZ
07/29/1970	1800	5.0		84.9	73.0	68	260	6.9						TSRA DZ
07/29/1970	1500	4.0		80.1	75.9	87	0	0.0						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/29/1970	1200	2.0		71.1	71.1	100	310	3.5						FG
07/29/1970	0900	3.0		70.0	69.1	97	310	4.6						FG
07/29/1970	0600	3.0		71.1	70.0	96	300	5.8						FG
07/29/1970	0300	4.0		75.0	70.0	84	0	0.0						DZ
07/29/1970	0000	3.0		81.0	72.0	74	280	11.5						DZ
07/28/1970	2100	4.0		87.1	71.1	59	240	8.1						DZ
07/28/1970	1800	3.0		86.0	71.1	61	160	8.1						DZ
07/28/1970	1500	10.5		79.0	73.0	82	200	3.5						DZ
07/28/1970	1200	0.5		70.0	70.0	100	260	4.6						FG
07/28/1970	0900	5.5		70.0	70.0	100	0	0.0						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/28/1970	0600	10.5		72.0	71.1	97	300	4.6						FG
07/28/1970	0300	4.0		75.9	73.0	91	10	5.8						DZ
07/28/1970	0000	5.0		82.0	70.0	67	180	8.1						DZ
07/27/1970	2100	5.0		86.0	70.0	59	180	12.7						DZ
07/27/1970	1800	5.0		84.9	71.1	63	140	6.9						DZ
07/27/1970	1500	3.0		75.9	69.1	79	170	4.6						DZ
07/27/1970	1200	0.5		64.9	64.9	100	300	3.5						FG
07/27/1970	0900	3.0		64.9	64.9	100	0	0.0						FG	CLR
07/27/1970	0600	4.0		68.0	66.9	96	0	0.0						FG
07/27/1970	0300	5.0		71.1	68.0	90	0	0.0						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/27/1970	0000	6.0		80.1	68.0	67	260	4.6						DZ
07/26/1970	2100	6.0		86.0	68.0	55	250	5.8						DZ
07/26/1970	1800	6.0		82.0	66.9	60	310	9.2						DZ
07/26/1970	1500	5.0		75.0	64.9	71	260	8.1						DZ
07/26/1970	1200	2.0		64.9	64.9	100	260	10.4
07/26/1970	0900	4.0		64.9	64.9	100	300	4.6						FG	CLR
07/26/1970	0600	4.0		68.0	68.0	100	0	0.0						FG
07/26/1970	0300	4.0		72.0	70.0	94	0	0.0						FG
07/26/1970	0000	7.0		79.0	72.0	79	220	4.6
07/25/1970	2100	7.0		82.9	70.0	65	280	6.9
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/25/1970	1800	7.0		86.0	69.1	57	240	10.4
07/25/1970	1500	5.0		82.0	71.1	70	250	11.5						DZ
07/25/1970	1200	5.5		72.0	71.1	97	260	5.8
07/25/1970	0900	5.0		70.0	70.0	100	0	0.0						FG
07/25/1970	0600	5.0		70.0	69.1	97	0	0.0						FG
07/25/1970	0300	5.0		73.0	69.1	87	0	0.0						DZ
07/25/1970	0000	6.0		80.1	72.0	76	300	3.5						DZ
07/24/1970	2100	7.0		82.0	72.0	72	180	5.8
07/24/1970	1800	6.0		80.1	71.1	74	0	0.0						DZ
07/24/1970	1500	6.0		72.0	66.0	82	0	0.0						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/24/1970	1200	8.0		68.0	63.0	84	0	0.0
07/24/1970	0900	8.0		66.9	64.0	91	350	4.6
07/24/1970	0600	8.0		68.0	64.0	87	0	0.0
07/24/1970	0300	10.0		70.0	64.9	84	90	3.5
07/24/1970	0000	15.0		73.9	64.9	74	110	4.6
07/23/1970	2100	15.0		73.9	64.0	71	70	6.9
07/23/1970	1800	15.0		71.1	62.1	73	180	3.5						-RA
07/23/1970	1500	15.0		64.9	55.9	73	0	0.0						-RA
07/23/1970	1200	10.0		60.1	54.0	80	0	0.0
07/23/1970	0900	10.0		57.9	55.9	93	0	0.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/23/1970	0600	15.0		57.9	55.9	93	0	0.0
07/23/1970	0300	15.0		62.1	57.9	86	280	4.6
07/23/1970	0000	15.0		73.0	50.0	44	0	0.0
07/22/1970	2100	15.0		77.0	48.0	36	220	6.9
07/22/1970	1800	15.0		75.0	48.0	39	0	0.0
07/22/1970	1500	15.0		70.0	55.0	59	270	4.6
07/22/1970	1200	10.0		60.1	57.0	90	290	6.9
07/22/1970	0900	10.0		55.9	55.0	97	300	4.6
07/22/1970	0600	10.0		57.9	57.0	97	330	3.5
07/22/1970	0300	15.0		62.1	60.1	93	300	4.6
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/22/1970	0000	15.0		70.0	54.0	57	220	6.9
07/21/1970	2100	15.0		73.9	51.1	45	260	10.4
07/21/1970	1800	15.0		73.0	52.0	48	310	12.7
07/21/1970	1500	15.0		70.0	53.1	55	270	11.5
07/21/1970	1200	15.0		63.0	54.0	73	280	13.8
07/21/1970	0900	7.0		60.1	55.0	83	240	9.2
07/21/1970	0600	7.0		63.0	55.9	78	220	16.1
07/21/1970	0300	7.0		68.0	62.1	81	280	11.5
07/21/1970	0000	7.0		73.0	71.1	94	320	4.6
07/20/1970	2100	6.0		73.0	72.0	96	340	4.6						-SHRA FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/20/1970	1800	8.0		75.9	69.1	79	150	10.4						-RA
07/20/1970	1500	10.0		73.9	66.9	79	180	15.0
07/20/1970	1200	8.0		73.0	66.0	79	120	13.8
07/20/1970	0900	6.0		73.0	68.0	84	150	17.3						DZ
07/20/1970	0600	6.0		75.0	70.0	84	160	19.6						DZ
07/20/1970	0300	4.0		72.0	70.0	94	60	5.8						FG
07/20/1970	0000	5.0		79.0	71.1	77	140	11.5						TSRA DZ
07/19/1970	2100	9.0		81.0	69.1	67	150	15.0
07/19/1970	1800	10.0		78.1	66.9	69	140	13.8
07/19/1970	1500	10.0		73.0	66.0	79	60	5.8							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/19/1970	1200	5.5		63.0	63.0	100	350	6.9						FG
07/19/1970	0900	0.5		64.9	64.9	100	0	0.0						FG
07/19/1970	0600	0.0		66.9	66.9	100	0	0.0						FG
07/19/1970	0300	2.8		69.1	69.1	100	0	0.0						FG
07/19/1970	0000	4.0		72.0	68.0	87	0	0.0						DZ
07/18/1970	2100	10.0		82.0	62.1	51	190	6.9
07/18/1970	1800	10.0		84.9	63.0	48	220	10.4
07/18/1970	1500	5.0		75.0	64.9	71	180	4.6						DZ	CLR
07/18/1970	1200	2.0		63.0	63.0	100	0	0.0						FG
07/18/1970	0900	8.0		63.0	61.0	93	350	4.6							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/18/1970	0600	10.0		66.0	64.0	93	0	0.0							CLR
07/18/1970	0300	10.0		70.0	66.9	90	330	4.6
07/18/1970	0000	15.0		79.0	64.0	60	190	5.8							CLR
07/17/1970	2100	15.0		82.9	64.0	53	220	11.5
07/17/1970	1800	15.0		80.1	63.0	56	130	4.6
07/17/1970	1500	15.0		73.0	62.1	69	300	6.9
07/17/1970	1200	9.0		63.0	61.0	93	250	8.1							CLR
07/17/1970	0900	10.0		61.0	59.0	93	250	11.5							CLR
07/17/1970	0600	15.0		63.0	60.1	90	260	13.8
07/17/1970	0300	15.0		68.0	60.1	76	280	11.5
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/17/1970	0000	15.0		69.1	63.0	81	260	11.5
07/16/1970	2100	15.0		75.0	62.1	64	270	19.6
07/16/1970	1800	15.0		80.1	64.0	58	280	21.9
07/16/1970	1500	10.0		79.0	70.0	74	260	13.8
07/16/1970	1200	4.0		70.0	70.0	100	0	0.0				0.08		FG
07/16/1970	0900	3.0		70.0	69.1	97	0	0.0						-TSRA
07/16/1970	0600	6.0		69.1	69.1	100	100	5.8						FG
07/16/1970	0300	8.0		70.0	69.1	97	90	4.6
07/16/1970	0000	7.0		70.0	69.1	97	0	0.0						-TSRA
07/15/1970	2100	4.0		81.0	75.0	82	180	6.9						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/15/1970	1800	3.0		75.9	73.0	91	110	6.9						FG
07/15/1970	1500	3.0		70.0	70.0	100	100	9.2						-SHRA FG
07/15/1970	1200	7.0		70.0	66.9	90	110	11.5
07/15/1970	0900	5.0		70.0	64.9	84	70	13.8						DZ
07/15/1970	0600	5.0		72.0	64.9	79	90	15.0						DZ
07/15/1970	0300	5.0		75.0	66.0	74	170	16.1						DZ
07/15/1970	0000	5.0		75.9	64.9	69	160	18.4						DZ
07/14/1970	2100	6.0		78.1	69.1	74	190	15.0						DZ
07/14/1970	1800	7.0		77.0	66.9	71	130	8.1
07/14/1970	1500	10.0		72.0	63.0	73	90	9.2
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/14/1970	1200	15.0		66.9	63.0	87	290	4.6
07/14/1970	0900	8.0		64.0	62.1	93	0	0.0
07/14/1970	0600	10.0		64.9	62.1	90	0	0.0
07/14/1970	0300	10.0		66.9	62.1	84	0	0.0
07/14/1970	0000	15.0		73.9	60.1	62	100	4.6
07/13/1970	2100	15.0		79.0	55.0	44	230	8.1
07/13/1970	1800	15.0		77.0	55.0	47	310	3.5
07/13/1970	1500	10.0		71.1	57.9	63	260	4.6
07/13/1970	1200	8.0		62.1	60.1	93	270	5.8
07/13/1970	0900	7.0		57.9	57.0	97	0	0.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/13/1970	0600	8.0		60.1	59.0	96	360	5.8
07/13/1970	0300	10.0		64.9	62.1	90	280	5.8
07/13/1970	0000	15.0		75.0	64.9	71	200	3.5
07/12/1970	2100	8.0		82.0	60.1	48	310	13.8							CLR
07/12/1970	1800	10.0		80.1	66.9	64	290	9.2
07/12/1970	1500	7.0		77.0	68.0	74	270	12.7
07/12/1970	1200	4.0		69.1	66.9	93	270	13.8						DZ	CLR
07/12/1970	0900	0.8		66.0	66.0	100	280	9.2						FG
07/12/1970	0600	5.0		66.0	66.0	100	270	10.4						FG
07/12/1970	0300	7.0		70.0	66.0	87	250	8.1
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/12/1970	0000	10.0		73.9	66.0	76	340	15.0						-SHRA
07/11/1970	2100	15.0		78.1	63.0	60	340	4.6
07/11/1970	1800	10.0		75.0	66.9	76	270	8.1
07/11/1970	1500	10.0		75.0	64.0	69	250	10.4
07/11/1970	1200	10.5		66.0	64.9	96	300	8.1						FG
07/11/1970	0900	5.5		66.0	66.0	100	0	0.0						FG
07/11/1970	0600	2.0		68.0	68.0	100	0	0.0						FG
07/11/1970	0300	3.0		70.0	68.0	94	250	8.1						-TSRA
07/11/1970	0000	7.0		73.0	68.0	84	240	6.9
07/10/1970	2100	8.0		79.0	68.0	69	260	9.2
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/10/1970	1800	8.0		79.0	70.0	74	130	16.1
07/10/1970	1500	7.0		73.9	70.0	88	160	9.2
07/10/1970	1200	7.0		71.1	70.0	96	130	16.1
07/10/1970	0900	4.0		72.0	70.0	94	90	11.5						FG
07/10/1970	0600	2.0		70.0	70.0	100	70	9.2				0.10		TSRA FG
07/10/1970	0300	10.5		70.0	70.0	100	100	9.2				0.08		-SHRA FG
07/10/1970	0000	2.0		72.0	71.1	97	90	11.5				0.02		-RA FG
07/09/1970	2100	3.0		73.0	71.1	94	150	9.2						-SHRA FG
07/09/1970	1800	3.0		73.0	71.1	94	110	11.5						FG
07/09/1970	1500	10.5		70.0	69.1	97	110	12.7						-SHRA FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/09/1970	1200	6.0		72.0	66.0	82	120	13.8						DZ
07/09/1970	0900	3.0		70.0	66.0	87	120	10.4						DZ
07/09/1970	0600	3.0		70.0	66.9	90	120	9.2						DZ
07/09/1970	0300	3.0		72.0	70.0	94	100	9.2						DZ
07/09/1970	0000	7.0		77.0	63.0	62	160	13.8
07/08/1970	2100	7.0		82.0	66.9	60	150	13.8
07/08/1970	1800	7.0		82.0	66.9	60	160	11.5
07/08/1970	1500	7.0		75.9	64.9	69	200	8.1
07/08/1970	1200	2.8		62.1	62.1	100	0	0.0						FG
07/08/1970	0900	7.0		61.0	59.0	93	0	0.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/08/1970	0600	8.0		64.0	62.1	93	0	0.0
07/08/1970	0300	8.0		69.1	64.0	84	0	0.0
07/08/1970	0000	10.0		79.0	61.0	54	180	15.0
07/07/1970	2100	10.0		82.0	60.1	48	180	12.7
07/07/1970	1800	15.0		78.1	59.0	52	150	8.1
07/07/1970	1500	15.0		71.1	55.0	57	340	4.6							CLR
07/07/1970	1200	15.0		59.0	55.0	87	0	0.0							CLR
07/07/1970	0900	15.0		54.0	52.0	93	0	0.0							CLR
07/07/1970	0600	15.0		59.0	55.0	87	0	0.0							CLR
07/07/1970	0300	15.0		64.9	60.1	84	0	0.0							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/07/1970	0000	15.0		78.1	53.1	42	340	4.6							CLR
07/06/1970	2100	15.0		81.0	52.0	37	360	6.9
07/06/1970	1800	15.0		80.1	54.0	41	320	9.2
07/06/1970	1500	15.0		73.0	61.0	66	240	13.8							CLR
07/06/1970	1200	10.0		63.0	60.1	90	260	13.8							CLR
07/06/1970	0900	7.0		60.1	59.0	96	280	12.7							CLR
07/06/1970	0600	8.0		63.0	62.1	97	270	12.7							CLR
07/06/1970	0300	10.0		66.0	63.0	90	280	6.9
07/06/1970	0000	15.0		72.0	62.1	71	240	9.2
07/05/1970	2100	15.0		71.1	60.1	68	260	13.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/05/1970	1800	15.0		72.0	60.1	66	240	13.8
07/05/1970	1500	15.0		71.1	60.1	68	260	11.5
07/05/1970	1200	15.0		61.0	57.9	90	0	0.0
07/05/1970	0900	10.0		60.1	59.0	96	300	5.8
07/05/1970	0600	10.0		64.9	61.0	87	290	6.9
07/05/1970	0300	10.0		68.0	64.9	90	310	8.1
07/05/1970	0000	10.0		75.0	68.0	79	250	5.8
07/04/1970	2100	10.0		77.0	66.0	69	280	12.7
07/04/1970	1800	10.0		81.0	75.0	82	230	9.2
07/04/1970	1500	7.0		77.0	73.0	88	180	5.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/04/1970	1200	7.0		73.0	71.1	94	250	9.2
07/04/1970	0900	0.5		70.0	70.0	100	0	0.0						FG
07/04/1970	0600	4.0		70.0	69.1	97	240	4.6						FG
07/04/1970	0300	5.0		71.1	70.0	96	0	0.0						FG
07/04/1970	0000	5.0		82.0	73.9	77	150	16.1				0.04		TSRA DZ
07/03/1970	2100	7.0		84.9	71.1	63	350	3.5
07/03/1970	1800	6.0		80.1	71.1	74	130	5.8						DZ
07/03/1970	1500	4.0		73.9	70.0	88	0	0.0						-SHRA DZ
07/03/1970	1200	3.0		71.1	68.0	90	0	0.0
07/03/1970	0900	5.0		69.1	69.1	100	320	3.5						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/03/1970	0600	5.0		72.0	70.0	94	0	0.0						FG
07/03/1970	0300	7.0		75.0	72.0	90	10	4.6
07/03/1970	0000	9.0		80.1	70.0	72	90	5.8
07/02/1970	2100	10.0		87.1	73.0	63	80	11.5
07/02/1970	1800	10.0		84.9	75.0	72	140	11.5
07/02/1970	1500	5.0		80.1	75.9	87	0	0.0						DZ
07/02/1970	1200	5.5		72.0	72.0	100	0	0.0						FG
07/02/1970	0900	2.0		71.1	71.1	100	0	0.0						FG
07/02/1970	0600	7.0		73.0	72.0	96	0	0.0
07/02/1970	0300	10.0		77.0	70.0	79	290	6.9						-SHRA
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/02/1970	0000	15.0		82.9	63.0	51	80	4.6
07/01/1970	2100	15.0		84.0	63.0	49	250	5.8
07/01/1970	1800	15.0		81.0	64.0	57	180	4.6
07/01/1970	1500	7.0		75.9	66.9	74	250	5.8
07/01/1970	1200	10.5		64.0	64.0	100	280	9.2						FG
07/01/1970	0900	6.0		63.0	63.0	100	280	6.9						FG
07/01/1970	0600	7.0		64.9	64.0	97	0	0.0							CLR
07/01/1970	0300	8.0		75.0	64.9	71	330	6.9
07/01/1970	0000	8.0		79.0	68.0	69	360	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