Pennsylvania State Climatologist

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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
09/30/1971	2100	25.0		73.0	53.1	50	330	5.8
09/30/1971	1800	25.0		71.1	52.0	51	0	0.0
09/30/1971	1500	10.0		66.9	55.9	68	300	4.6
09/30/1971	1200	7.0		63.0	60.1	90	320	4.6
09/30/1971	0900	2.0		68.0	63.0	84	0	0.0						DZ
09/30/1971	0600	5.0		68.0	63.0	84	0	0.0						DZ
09/30/1971	0300	6.0		70.0	63.0	79	0	0.0						DZ
09/30/1971	0000	6.0		73.9	63.0	69	180	9.2						DZ
09/29/1971	2100	7.0		73.9	63.0	69	160	15.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/29/1971	1800	7.0		75.0	63.0	66	150	12.7
09/29/1971	1500	5.0		70.0	63.0	79	10	3.5						DZ
09/29/1971	1200	5.0		66.0	60.1	81	100	5.8						DZ
09/29/1971	0900	3.0		66.9	64.0	91	60	11.5						FG
09/29/1971	0600	3.0		66.0	63.0	90	120	8.1						FG
09/29/1971	0300	3.0		66.0	63.0	90	120	5.8						FG
09/29/1971	0000	3.0		66.0	62.1	87	70	6.9						FG
09/28/1971	2100	2.0		66.0	62.1	87	40	8.1						FG
09/28/1971	1800	5.5		64.9	61.0	87	0	0.0						-DZ FG
09/28/1971	1500	5.5		63.0	61.0	93	60	5.8						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/28/1971	1200	2.0		61.0	60.1	97	120	8.1						-RA FG
09/28/1971	0900	5.5		61.0	59.0	93	70	8.1						FG
09/28/1971	0600	5.5		60.1	59.0	96	60	11.5				0.01		-RA FG
09/28/1971	0300	1.0		60.1	57.9	93	50	11.5						-DZ FG
09/28/1971	0000	10.5		61.0	59.0	93	50	6.9						-DZ FG
09/27/1971	2100	3.0		61.0	57.9	90	90	11.5						FG
09/27/1971	1800	10.5		60.1	57.0	90	80	5.8						FG
09/27/1971	1500	10.5		57.0	55.0	93	50	8.1						FG
09/27/1971	1200	5.5		55.9	54.0	93	50	5.8						-DZ FG
09/27/1971	0900	1.0		55.9	54.0	93	70	6.9						-DZ FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/27/1971	0600	1.0		55.0	53.1	93	70	9.2						-DZ FG
09/27/1971	0300	1.0		54.0	52.0	93	50	11.5						-DZ FG
09/27/1971	0000	0.8		54.0	52.0	93	50	10.4						-DZ FG
09/26/1971	2100	2.0		55.0	52.0	89	60	11.5						-DZ FG
09/26/1971	1800	6.0		55.0	51.1	87	70	13.8						FG
09/26/1971	1500	3.0		54.0	50.0	86	80	11.5						-RA FG
09/26/1971	1200	10.0		53.1	48.0	83	60	12.7						-RA
09/26/1971	0900	7.0		55.0	48.9	80	60	6.9						-SHRA
09/26/1971	0600	7.0		55.0	48.0	77	70	10.4						-SHRA
09/26/1971	0300	7.0		55.0	48.9	80	0	0.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/26/1971	0000	7.0		59.0	44.1	58	190	4.6
09/25/1971	2100	25.0		63.0	41.0	45	150	4.6
09/25/1971	1800	25.0		62.1	41.0	46	80	6.9
09/25/1971	1500	7.0		51.1	44.1	77	220	5.8
09/25/1971	1200	0.5		43.0	42.1	97	320	10.4						FG
09/25/1971	0900	0.5		43.0	42.1	97	0	0.0						FG
09/25/1971	0600	7.0		45.0	41.0	86	0	0.0							CLR
09/25/1971	0300	7.0		48.0	43.0	83	260	4.6							CLR
09/25/1971	0000	7.0		51.1	45.0	80	0	0.0							CLR
09/24/1971	2100	25.0		64.9	37.9	37	340	12.7							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/24/1971	1800	25.0		63.0	39.9	43	310	12.7
09/24/1971	1500	25.0		59.0	39.9	49	350	17.3
09/24/1971	1200	25.0		52.0	42.1	69	260	9.2							CLR
09/24/1971	0900	7.0		53.1	41.0	64	270	6.9
09/24/1971	0600	0.1		57.9	57.0	97	270	4.6						FG
09/24/1971	0300	4.0		60.1	57.9	93	0	0.0						FG
09/24/1971	0000	4.0		64.0	59.0	84	80	6.9						DZ
09/23/1971	2100	3.0		64.0	59.0	84	180	6.9						DZ
09/23/1971	1800	10.5		63.0	59.0	87	330	12.7						-RA DZ
09/23/1971	1500	3.0		63.0	57.0	81	160	17.3						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/23/1971	1200	6.0		59.0	53.1	81	70	4.6						DZ
09/23/1971	0900	7.0		57.0	52.0	83	70	9.2
09/23/1971	0600	5.0		55.0	53.1	93	0	0.0						FG
09/23/1971	0300	7.0		55.0	51.1	87	0	0.0
09/23/1971	0000	7.0		57.0	52.0	83	0	0.0
09/22/1971	2100	25.0		66.0	48.9	54	170	6.9
09/22/1971	1800	25.0		66.9	50.0	55	150	10.4
09/22/1971	1500	7.0		53.1	48.0	83	260	6.9
09/22/1971	1200	0.5		48.0	48.0	100	360	5.8						FG
09/22/1971	0900	0.3		50.0	48.9	96	0	0.0						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/22/1971	0600	0.3		51.1	50.0	96	0	0.0						FG
09/22/1971	0300	7.0		52.0	48.0	86	300	3.5							CLR
09/22/1971	0000	15.0		57.9	51.1	78	0	0.0
09/21/1971	2100	25.0		66.0	48.9	54	310	9.2
09/21/1971	1800	25.0		66.9	48.0	51	320	9.2
09/21/1971	1500	25.0		64.9	48.9	56	310	13.8
09/21/1971	1200	10.0		59.0	54.0	83	290	5.8							CLR
09/21/1971	0900	7.0		62.1	55.9	80	240	8.1
09/21/1971	0600	7.0		66.0	55.9	70	270	9.2
09/21/1971	0300	3.0		72.0	69.1	91	270	13.8						-SHRA FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/21/1971	0000	3.0		73.9	68.0	82	240	11.5						-TSRA DZ
09/20/1971	2100	5.0		75.9	66.9	74	50	5.8						DZ
09/20/1971	1800	3.0		73.0	70.0	90	90	9.2						-RA FG
09/20/1971	1500	2.0		70.0	66.0	87	110	11.5						-RA FG
09/20/1971	1200	5.5		68.0	64.0	87	80	13.8				0.04		-RA FG
09/20/1971	0900	5.5		70.0	66.0	87	130	13.8						-RA FG
09/20/1971	0600	5.5		70.0	68.0	94	90	11.5						FG
09/20/1971	0300	2.0		69.1	66.0	90	110	13.8				0.01		-DZ FG
09/20/1971	0000	5.5		68.0	66.0	93	90	11.5						FG
09/19/1971	2100	2.0		66.9	64.9	93	90	11.5				0.05		-DZ FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/19/1971	1800	3.0		66.0	63.0	90	90	6.9						FG
09/19/1971	1500	10.5		62.1	60.1	93	80	12.7						-RA FG
09/19/1971	1200	3.0		62.1	57.9	86	20	4.6
09/19/1971	0900	5.0		62.1	55.0	78	0	0.0						DZ
09/19/1971	0600	5.0		62.1	55.9	80	0	0.0						FG
09/19/1971	0300	7.0		60.1	57.0	90	0	0.0
09/19/1971	0000	8.0		64.0	57.0	78	240	3.5
09/18/1971	2100	10.0		68.0	55.9	65	20	3.5
09/18/1971	1800	10.0		69.1	57.0	66	360	9.2
09/18/1971	1500	8.0		69.1	57.0	66	360	12.7
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/18/1971	1200	7.0		66.0	57.9	75	330	5.8
09/18/1971	0900	2.0		66.0	64.0	93	0	0.0						FG
09/18/1971	0600	2.0		68.0	64.0	87	290	5.8						DZ
09/18/1971	0300	3.0		69.1	63.0	81	270	6.9						DZ
09/18/1971	0000	3.0		69.1	64.0	84	280	6.9						DZ
09/17/1971	2100	3.0		70.0	63.0	79	0	0.0						DZ
09/17/1971	1800	3.0		68.0	61.0	78	260	5.8						DZ
09/17/1971	1500	5.0		64.9	59.0	81	0	0.0
09/17/1971	1200	4.0		62.1	59.0	90	0	0.0						FG
09/17/1971	0900	5.5		62.1	59.0	90	0	0.0						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/17/1971	0600	10.5		62.1	59.0	90	0	0.0						FG
09/17/1971	0300	5.0		63.0	60.1	90	310	4.6						FG
09/17/1971	0000	10.0		64.0	60.1	87	330	4.6				0.01
09/16/1971	2100	20.0		69.1	57.0	66	270	13.8				0.15		TSRA
09/16/1971	1800	25.0		71.1	57.0	61	250	4.6
09/16/1971	1500	25.0		70.0	52.0	53	330	4.6
09/16/1971	1200	25.0		68.0	52.0	57	0	0.0
09/16/1971	0900	4.0		70.0	64.9	84	20	8.1						FG
09/16/1971	0600	5.0		69.1	64.9	87	0	0.0						FG
09/16/1971	0300	6.0		71.1	64.9	81	0	0.0						DZ	CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/16/1971	0000	7.0		75.9	63.0	64	0	0.0							CLR
09/15/1971	2100	7.0		81.0	64.0	57	150	8.1							CLR
09/15/1971	1800	9.0		78.1	62.1	58	0	0.0
09/15/1971	1500	5.0		73.0	61.0	66	270	6.9						DZ
09/15/1971	1200	5.0		66.9	63.0	87	280	8.1						DZ	CLR
09/15/1971	0900	5.0		69.1	64.0	84	270	8.1						DZ
09/15/1971	0600	7.0		68.0	64.0	87	300	4.6
09/15/1971	0300	7.0		70.0	64.0	82	0	0.0
09/15/1971	0000	15.0		72.0	64.0	76	0	0.0						-SHRA
09/14/1971	2100	20.0		78.1	62.1	58	340	5.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/14/1971	1800	9.0		75.0	64.9	71	240	9.2
09/14/1971	1500	7.0		71.1	64.9	81	240	11.5
09/14/1971	1200	2.0		66.9	66.0	97	320	3.5						FG
09/14/1971	0900	5.5		66.0	63.0	90	0	0.0						FG
09/14/1971	0600	5.5		66.9	64.0	91	0	0.0						FG
09/14/1971	0300	7.0		70.0	64.0	82	330	4.6
09/14/1971	0000	7.0		70.0	63.0	79	110	6.9				0.03		-SHRA
09/13/1971	2100	20.0		73.0	66.0	79	40	4.6
09/13/1971	1800	15.0		72.0	64.9	79	90	8.1						-SHRA
09/13/1971	1500	2.0		71.1	68.0	90	60	10.4						-SHRA FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/13/1971	1200	15.0		70.0	64.9	84	110	10.4
09/13/1971	0900	6.0		71.1	66.0	84	60	11.5						-SHRA DZ
09/13/1971	0600	7.0		72.0	66.9	84	80	10.4				0.03		-SHRA
09/13/1971	0300	7.0		73.9	68.0	82	100	10.4
09/13/1971	0000	4.0		72.0	66.9	84	70	8.1						-SHRA
09/12/1971	2100	15.0		75.0	69.1	82	0	0.0
09/12/1971	1800	15.0		75.0	66.9	76	260	13.8				0.10
09/12/1971	1500	15.0		75.9	68.0	77	90	5.8
09/12/1971	1200	7.0		72.0	69.1	91	0	0.0						-RA
09/12/1971	0900	5.0		72.0	68.0	87	60	6.9						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/12/1971	0600	4.0		72.0	69.1	91	10	4.6						-RA FG
09/12/1971	0300	2.0		72.0	69.1	91	0	0.0				0.15		RA FG
09/12/1971	0000	7.0		73.0	66.9	81	70	5.8						-SHRA
09/11/1971	2100	10.0		78.1	66.9	69	40	8.1						-SHRA
09/11/1971	1800	7.0		79.0	66.9	67	170	8.1
09/11/1971	1500	3.0		75.9	69.1	79	120	10.4						DZ
09/11/1971	1200	10.5		72.0	66.9	84	100	4.6
09/11/1971	0900	2.0		72.0	71.1	97	90	8.1						FG
09/11/1971	0600	2.0		75.0	73.0	94	70	8.1						FG
09/11/1971	0300	3.0		75.9	68.0	77	70	10.4						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/11/1971	0000	3.0		81.0	66.0	61	160	13.8						DZ
09/10/1971	2100	5.0		84.9	66.9	55	170	15.0						DZ
09/10/1971	1800	5.0		81.0	66.9	63	0	0.0						DZ
09/10/1971	1500	6.0		75.0	62.1	64	70	4.6						DZ	CLR
09/10/1971	1200	4.0		64.9	62.1	90	0	0.0
09/10/1971	0900	5.0		66.0	61.0	84	0	0.0						DZ	CLR
09/10/1971	0600	5.0		69.1	62.1	78	270	4.6						DZ
09/10/1971	0300	7.0		75.0	64.0	69	360	5.8
09/10/1971	0000	8.0		80.1	64.0	58	360	5.8
09/09/1971	2100	8.0		88.0	66.0	48	180	6.9
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/09/1971	1800	7.0		84.9	64.9	51	180	6.9
09/09/1971	1500	10.5		75.9	68.0	77	290	8.1						DZ
09/09/1971	1200	0.3		69.1	69.1	100	340	4.6						FG
09/09/1971	0900	0.3		69.1	66.0	90	0	0.0						FG
09/09/1971	0600	0.3		69.1	64.9	87	330	4.6						FG
09/09/1971	0300	6.0		73.0	68.0	84	360	4.6						DZ
09/09/1971	0000	6.0		79.0	66.9	67	250	4.6						DZ
09/08/1971	2100	6.0		84.0	69.1	61	170	5.8						DZ
09/08/1971	1800	4.0		81.0	68.0	65	290	8.1						DZ
09/08/1971	1500	10.5		73.9	66.9	79	0	0.0						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/08/1971	1200	0.3		69.1	66.0	90	0	0.0
09/08/1971	0900	2.0		69.1	66.0	90	360	4.6						FG
09/08/1971	0600	6.0		71.1	66.0	84	0	0.0						DZ
09/08/1971	0300	6.0		73.9	66.0	76	350	5.8						DZ
09/08/1971	0000	6.0		80.1	64.9	60	180	10.4						DZ
09/07/1971	2100	6.0		82.0	66.9	60	160	18.4						DZ
09/07/1971	1800	6.0		82.0	66.9	60	150	13.8						DZ
09/07/1971	1500	7.0		77.0	64.9	66	90	8.1
09/07/1971	1200	6.0		72.0	64.0	76	110	5.8						DZ
09/07/1971	0900	6.0		73.0	64.9	76	40	8.1						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/07/1971	0600	6.0		73.9	68.0	82	40	5.8						DZ
09/07/1971	0300	6.0		75.9	68.0	77	130	10.4						DZ
09/07/1971	0000	6.0		82.0	68.0	63	190	8.1						DZ
09/06/1971	2100	6.0		87.1	68.0	53	140	6.9						DZ
09/06/1971	1800	5.0		84.9	70.0	61	140	6.9						DZ
09/06/1971	1500	2.0		72.0	68.0	87	200	4.6						DZ
09/06/1971	1200	0.4		69.1	69.1	100	20	4.6						FG
09/06/1971	0900	0.3		69.1	66.9	93	0	0.0						FG
09/06/1971	0600	5.5		69.1	64.9	87	360	5.8						FG
09/06/1971	0300	5.0		71.1	66.0	84	320	4.6						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/06/1971	0000	5.0		73.0	66.0	79	0	0.0						DZ
09/05/1971	2100	7.0		73.0	66.0	79	70	9.2						-TSRA
09/05/1971	1800	5.0		86.0	64.9	50	190	8.1						DZ
09/05/1971	1500	3.0		77.0	66.9	71	200	5.8						DZ
09/05/1971	1200	2.0		69.1	64.9	87	0	0.0						DZ
09/05/1971	0900	3.0		69.1	64.0	84	0	0.0						DZ
09/05/1971	0600	3.0		70.0	64.9	84	0	0.0						DZ
09/05/1971	0300	4.0		75.0	66.0	74	0	0.0						DZ
09/05/1971	0000	4.0		81.0	62.1	53	170	11.5						DZ
09/04/1971	2100	4.0		84.9	64.0	50	170	15.0						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/04/1971	1800	4.0		81.0	66.9	63	100	6.9						DZ
09/04/1971	1500	5.5		71.1	66.9	87	0	0.0						FG
09/04/1971	1200	0.1		66.0	64.0	93	0	0.0						FG
09/04/1971	0900	0.5		66.0	63.0	90	10	4.6						FG
09/04/1971	0600	2.0		69.1	64.0	84	0	0.0						DZ	CLR
09/04/1971	0300	4.0		73.0	66.0	79	0	0.0						DZ	CLR
09/04/1971	0000	4.0		78.1	64.0	62	170	16.1						DZ
09/03/1971	2100	5.0		81.0	66.0	61	150	9.2						DZ
09/03/1971	1800	5.0		80.1	64.0	58	180	9.2						DZ
09/03/1971	1500	7.0		73.0	63.0	71	40	6.9
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/03/1971	1200	7.0		68.0	61.0	78	50	5.8
09/03/1971	0900	7.0		69.1	62.1	78	0	0.0
09/03/1971	0600	7.0		70.0	60.1	71	70	6.9
09/03/1971	0300	7.0		70.0	60.1	71	300	8.1
09/03/1971	0000	8.0		71.1	57.9	63	70	8.1
09/02/1971	2100	15.0		72.0	57.0	59	140	11.5
09/02/1971	1800	15.0		73.0	52.0	48	180	9.2
09/02/1971	1500	10.0		69.1	55.0	61	50	9.2
09/02/1971	1200	8.0		66.9	57.9	73	60	4.6
09/02/1971	0900	7.0		63.0	57.9	84	0	0.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/02/1971	0600	7.0		62.1	57.0	84	350	4.6
09/02/1971	0300	7.0		62.1	57.0	84	0	0.0
09/02/1971	0000	10.0		69.1	55.9	63	90	3.5
09/01/1971	2100	9.0		71.1	57.9	63	140	9.2
09/01/1971	1800	15.0		68.0	57.0	68	70	11.5
09/01/1971	1500	15.0		62.1	52.0	70	0	0.0
09/01/1971	1200	20.0		57.9	50.0	75	340	5.8
09/01/1971	0900	7.0		57.0	51.1	81	340	4.6
09/01/1971	0600	7.0		55.9	51.1	84	0	0.0
09/01/1971	0300	7.0		60.1	53.1	78	310	4.6
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/01/1971	0000	25.0		66.9	55.9	68	0	0.0

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