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
07/31/1971	2100	4.0		79.0	66.0	65	180	8.1						DZ
07/31/1971	1800	5.0		79.0	66.9	67	270	10.4						DZ
07/31/1971	1500	5.0		73.9	66.9	79	280	5.8						DZ
07/31/1971	1200	4.0		69.1	66.0	90	260	6.9						FG
07/31/1971	0900	1.0		66.9	66.9	100	0	0.0						-RA FG
07/31/1971	0600	1.0		69.1	69.1	100	270	11.5				0.17		RA FG
07/31/1971	0300	5.5		70.0	70.0	100	200	5.8				0.80		RA FG
07/31/1971	0000	10.0		75.0	64.9	71	140	5.8
07/30/1971	2100	10.0		75.9	64.0	67	160	4.6
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/30/1971	1800	10.0		77.0	63.0	62	200	11.5
07/30/1971	1500	8.0		73.9	60.1	62	180	3.5
07/30/1971	1200	7.0		66.0	64.0	93	290	5.8
07/30/1971	0900	3.0		66.9	64.0	91	160	5.8						-SHRA FG
07/30/1971	0600	3.0		72.0	68.0	87	60	4.6						FG
07/30/1971	0300	3.0		72.0	71.1	97	320	4.6						FG
07/30/1971	0000	7.0		75.9	71.1	85	0	0.0
07/29/1971	2100	6.0		75.9	73.0	91	220	5.8						DZ
07/29/1971	1800	0.8		72.0	71.1	97	270	5.8				0.28		-RA FG
07/29/1971	1500	3.0		78.1	70.0	76	180	11.5						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/29/1971	1200	2.0		75.9	70.0	82	200	11.5						DZ
07/29/1971	0900	4.0		75.0	70.0	84	90	5.8						DZ
07/29/1971	0600	6.0		75.0	69.1	82	180	11.5						DZ
07/29/1971	0300	7.0		75.9	68.0	77	160	13.8
07/29/1971	0000	7.0		78.1	66.0	67	150	12.7
07/28/1971	2100	15.0		81.0	62.1	53	150	16.1
07/28/1971	1800	25.0		80.1	60.1	51	150	12.7
07/28/1971	1500	20.0		69.1	57.9	68	80	3.5
07/28/1971	1200	25.0		57.0	54.0	90	0	0.0
07/28/1971	0900	7.0		55.0	54.0	96	0	0.0							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/28/1971	0600	7.0		57.9	55.0	90	0	0.0							CLR
07/28/1971	0300	7.0		64.0	57.0	78	0	0.0							CLR
07/28/1971	0000	25.0		75.9	53.1	45	280	6.9							CLR
07/27/1971	2100	25.0		78.1	55.0	45	260	6.9
07/27/1971	1800	25.0		78.1	57.0	48	210	4.6
07/27/1971	1500	25.0		75.0	57.9	55	330	6.9
07/27/1971	1200	20.0		70.0	60.1	71	290	4.6
07/27/1971	0900	5.5		72.0	70.0	94	280	4.6						FG
07/27/1971	0600	3.0		73.0	72.0	96	280	5.8						FG
07/27/1971	0300	7.0		73.9	72.0	94	0	0.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/27/1971	0000	7.0		77.0	72.0	85	190	9.2				0.11
07/26/1971	2100	6.0		88.0	70.0	55	200	11.5						DZ
07/26/1971	1800	4.0		84.9	71.1	63	120	5.8						DZ
07/26/1971	1500	5.0		77.0	70.0	79	110	4.6						DZ
07/26/1971	1200	1.0		66.9	66.9	100	0	0.0						FG
07/26/1971	0900	4.0		64.9	64.9	100	0	0.0						FG
07/26/1971	0600	5.0		68.0	66.0	93	320	4.6						FG
07/26/1971	0300	7.0		71.1	66.9	87	0	0.0							CLR
07/26/1971	0000	15.0		80.1	64.9	60	190	5.8							CLR
07/25/1971	2100	20.0		82.0	62.1	51	190	4.6
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/25/1971	1800	10.0		80.1	64.9	60	240	9.2
07/25/1971	1500	7.0		73.9	68.0	82	290	5.8
07/25/1971	1200	5.5		70.0	69.1	97	270	6.9						FG
07/25/1971	0900	2.0		70.0	70.0	100	280	9.2						FG
07/25/1971	0600	2.0		70.0	70.0	100	0	0.0				0.53		-SHRA FG
07/25/1971	0300	4.0		72.0	69.1	91	0	0.0						-SHRA DZ
07/25/1971	0000	5.0		75.9	66.0	72	180	6.9						-SHRA DZ
07/24/1971	2100	6.0		80.1	63.0	56	220	8.1						DZ
07/24/1971	1800	4.0		80.1	64.9	60	130	6.9						DZ
07/24/1971	1500	3.0		75.9	66.0	72	130	5.8						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/24/1971	1200	3.0		70.0	64.9	84	210	4.6						DZ
07/24/1971	0900	5.0		70.0	64.0	82	120	5.8						DZ
07/24/1971	0600	4.0		73.9	64.0	71	60	9.2						DZ
07/24/1971	0300	4.0		78.1	66.0	67	180	10.4						DZ
07/24/1971	0000	4.0		80.1	66.9	64	160	17.3						DZ
07/23/1971	2100	5.0		86.0	66.0	52	160	11.5						DZ
07/23/1971	1800	4.0		82.9	66.9	59	170	9.2						DZ
07/23/1971	1500	4.0		78.1	62.1	58	140	8.1						DZ	CLR
07/23/1971	1200	4.0		64.9	59.0	81	0	0.0						DZ	CLR
07/23/1971	0900	5.0		63.0	61.0	93	0	0.0						DZ	CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/23/1971	0600	5.0		70.0	62.1	76	0	0.0						DZ	CLR
07/23/1971	0300	6.0		77.0	61.0	58	180	9.2						DZ	CLR
07/23/1971	0000	8.0		79.0	59.0	51	180	5.8							CLR
07/22/1971	2100	10.0		82.9	55.9	40	160	12.7
07/22/1971	1800	10.0		82.0	54.0	38	160	6.9
07/22/1971	1500	10.0		73.9	62.1	67	130	6.9							CLR
07/22/1971	1200	7.0		60.1	55.9	86	0	0.0							CLR
07/22/1971	0900	7.0		55.9	55.0	97	0	0.0							CLR
07/22/1971	0600	7.0		60.1	55.9	86	0	0.0							CLR
07/22/1971	0300	7.0		64.9	57.9	78	20	4.6							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/22/1971	0000	25.0		77.0	57.0	50	190	5.8
07/21/1971	2100	25.0		81.0	55.0	41	180	6.9
07/21/1971	1800	25.0		78.1	55.0	45	260	4.6
07/21/1971	1500	7.0		70.0	57.9	66	270	8.1
07/21/1971	1200	0.8		55.9	55.0	97	270	6.9						FG
07/21/1971	0900	4.0		55.0	54.0	96	330	6.9						FG	CLR
07/21/1971	0600	7.0		57.0	55.0	93	340	4.6							CLR
07/21/1971	0300	7.0		61.0	59.0	93	330	4.6
07/21/1971	0000	25.0		73.0	57.0	57	220	3.5
07/20/1971	2100	25.0		73.9	52.0	46	340	8.1
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/20/1971	1800	25.0		73.9	51.1	45	340	13.8
07/20/1971	1500	20.0		71.1	55.0	57	340	15.0
07/20/1971	1200	7.0		64.0	57.9	81	260	8.1
07/20/1971	0900	3.0		64.0	64.0	100	310	5.8						FG
07/20/1971	0600	3.0		64.9	64.9	100	270	4.6						FG
07/20/1971	0300	10.5		66.9	66.9	100	270	8.1						FG
07/20/1971	0000	2.0		70.0	69.1	97	210	4.6				0.12		-TSRA FG
07/19/1971	2100	5.0		77.0	69.1	77	240	9.2						DZ
07/19/1971	1800	4.0		72.0	68.0	87	180	11.5						DZ
07/19/1971	1500	10.5		69.1	66.0	90	160	15.0						-RA FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/19/1971	1200	3.0		62.1	61.0	96	0	0.0				0.10		-RA FG
07/19/1971	0900	6.0		60.1	57.0	90	0	0.0				0.10		-SHRA FG
07/19/1971	0600	7.0		63.0	54.0	73	340	5.8
07/19/1971	0300	7.0		66.0	53.1	63	0	0.0
07/19/1971	0000	25.0		77.0	48.9	37	220	9.2
07/18/1971	2100	25.0		82.0	46.0	28	230	9.2
07/18/1971	1800	25.0		77.0	48.9	37	270	10.4							CLR
07/18/1971	1500	25.0		71.1	48.0	44	270	9.2							CLR
07/18/1971	1200	25.0		59.0	54.0	83	280	9.2							CLR
07/18/1971	0900	25.0		54.0	52.0	93	0	0.0							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/18/1971	0600	7.0		60.1	55.0	83	0	0.0							CLR
07/18/1971	0300	7.0		64.9	57.0	76	350	5.8							CLR
07/18/1971	0000	25.0		77.0	59.0	54	310	9.2							CLR
07/17/1971	2100	15.0		81.0	64.0	57	280	16.1
07/17/1971	1800	10.0		82.9	66.0	57	280	11.5
07/17/1971	1500	7.0		78.1	64.0	62	310	5.8
07/17/1971	1200	10.5		64.0	61.0	90	0	0.0						FG	CLR
07/17/1971	0900	2.0		60.1	60.1	100	0	0.0						FG	CLR
07/17/1971	0600	4.0		64.9	62.1	90	0	0.0						FG
07/17/1971	0300	7.0		71.1	64.0	79	320	4.6
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/17/1971	0000	8.0		81.0	64.9	58	200	10.4
07/16/1971	2100	9.0		82.9	62.1	50	200	10.4
07/16/1971	1800	10.0		82.0	63.0	53	280	9.2
07/16/1971	1500	15.0		75.9	60.1	58	100	8.1
07/16/1971	1200	20.0		63.0	60.1	90	270	9.2						-TSRA
07/16/1971	0900	7.0		62.1	60.1	93	50	4.6
07/16/1971	0600	7.0		62.1	60.1	93	280	3.5
07/16/1971	0300	7.0		69.1	60.1	73	0	0.0
07/16/1971	0000	25.0		77.0	55.9	48	230	5.8
07/15/1971	2100	25.0		81.0	53.1	38	280	8.1
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/15/1971	1800	25.0		79.0	52.0	39	240	8.1
07/15/1971	1500	25.0		73.9	57.0	56	250	9.2							CLR
07/15/1971	1200	10.0		61.0	54.0	78	320	5.8							CLR
07/15/1971	0900	7.0		55.9	55.0	97	310	4.6							CLR
07/15/1971	0600	7.0		61.0	57.0	87	260	5.8							CLR
07/15/1971	0300	7.0		64.9	55.0	70	300	5.8
07/15/1971	0000	25.0		75.0	53.1	46	300	11.5
07/14/1971	2100	25.0		79.0	55.0	44	300	13.8
07/14/1971	1800	25.0		78.1	55.0	45	260	16.1
07/14/1971	1500	25.0		75.0	53.1	46	300	17.3
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/14/1971	1200	7.0		70.0	64.9	84	280	11.5
07/14/1971	0900	2.0		66.9	66.9	100	260	9.2						FG
07/14/1971	0600	4.0		70.0	70.0	100	70	4.6						FG
07/14/1971	0300	7.0		78.1	64.9	64	190	13.8				0.04		-SHRA
07/14/1971	0000	8.0		79.0	64.9	62	180	18.4
07/13/1971	2100	7.0		81.0	64.0	57	190	11.5
07/13/1971	1800	7.0		78.1	64.0	62	150	11.5
07/13/1971	1500	5.0		73.9	61.0	64	160	15.0						DZ
07/13/1971	1200	8.0		64.0	55.9	75	10	12.7
07/13/1971	0900	7.0		55.0	53.1	93	10	8.1							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/13/1971	0600	7.0		55.9	53.1	90	0	0.0							CLR
07/13/1971	0300	7.0		63.0	55.0	75	10	5.8
07/13/1971	0000	25.0		77.0	53.1	44	220	4.6							CLR
07/12/1971	2100	25.0		80.1	46.0	30	140	9.2							CLR
07/12/1971	1800	25.0		77.0	46.0	34	160	10.4							CLR
07/12/1971	1500	25.0		70.0	53.1	55	140	6.9							CLR
07/12/1971	1200	2.0		57.0	55.9	96	320	5.8						FG
07/12/1971	0900	3.0		57.0	57.0	100	320	5.8						FG
07/12/1971	0600	5.5		60.1	60.1	100	0	0.0						FG
07/12/1971	0300	7.0		63.0	63.0	100	340	5.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/12/1971	0000	15.0		69.1	62.1	78	240	5.8
07/11/1971	2100	8.0		66.9	61.0	81	0	0.0				0.02		-RA
07/11/1971	1800	15.0		68.0	60.1	76	250	4.6						-RA
07/11/1971	1500	7.0		66.0	64.9	96	0	0.0						-RA
07/11/1971	1200	10.0		64.0	62.1	93	320	4.6						-RA
07/11/1971	0900	7.0		64.0	62.1	93	0	0.0
07/11/1971	0600	7.0		64.0	62.1	93	320	5.8
07/11/1971	0300	7.0		69.1	62.1	78	0	0.0
07/11/1971	0000	25.0		77.0	59.0	54	240	5.8
07/10/1971	2100	25.0		79.0	57.0	47	250	10.4
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/10/1971	1800	25.0		79.0	51.1	38	310	9.2
07/10/1971	1500	10.0		73.9	62.1	67	250	12.7
07/10/1971	1200	10.5		66.0	64.0	93	330	5.8						FG
07/10/1971	0900	0.5		64.9	64.9	100	280	5.8						FG
07/10/1971	0600	0.5		70.0	70.0	100	340	5.8						FG
07/10/1971	0300	5.5		71.1	71.1	100	0	0.0						FG
07/10/1971	0000	5.0		75.0	70.0	84	0	0.0						DZ
07/09/1971	2100	7.0		73.9	68.0	82	0	0.0						-SHRA
07/09/1971	1800	6.0		82.9	73.0	72	250	4.6						-SHRA DZ
07/09/1971	1500	3.0		80.1	69.1	69	220	6.9						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/09/1971	1200	4.0		71.1	66.0	84	0	0.0						DZ
07/09/1971	0900	4.0		69.1	64.9	87	0	0.0				0.04		-SHRA
07/09/1971	0600	7.0		70.0	63.0	79	0	0.0
07/09/1971	0300	7.0		75.9	62.1	62	0	0.0
07/09/1971	0000	15.0		84.9	59.0	42	200	11.5
07/08/1971	2100	25.0		93.0	53.1	26	220	11.5
07/08/1971	1800	25.0		91.9	50.0	24	260	15.0
07/08/1971	1500	20.0		81.0	62.1	53	220	4.6
07/08/1971	1200	20.0		66.9	61.0	81	240	5.8
07/08/1971	0900	7.0		60.1	57.9	93	300	4.6
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/08/1971	0600	7.0		64.9	60.1	84	0	0.0
07/08/1971	0300	7.0		70.0	61.0	73	300	4.6
07/08/1971	0000	25.0		87.1	52.0	30	300	6.9							CLR
07/07/1971	2100	25.0		90.0	53.1	29	320	13.8
07/07/1971	1800	25.0		86.0	50.0	29	310	11.5
07/07/1971	1500	15.0		80.1	63.0	56	260	6.9
07/07/1971	1200	7.0		68.0	62.1	81	260	5.8
07/07/1971	0900	7.0		61.0	60.1	97	320	5.8							CLR
07/07/1971	0600	7.0		64.9	62.1	90	320	5.8							CLR
07/07/1971	0300	7.0		72.0	64.0	76	0	0.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/07/1971	0000	15.0		82.9	57.0	41	330	9.2
07/06/1971	2100	15.0		84.9	57.0	39	320	15.0
07/06/1971	1800	10.0		87.1	62.1	43	270	18.4
07/06/1971	1500	10.0		81.0	63.0	54	280	5.8
07/06/1971	1200	20.0		71.1	59.0	66	100	5.8
07/06/1971	0900	15.0		64.9	57.0	76	90	8.1
07/06/1971	0600	7.0		71.1	55.0	57	90	11.5
07/06/1971	0300	7.0		77.0	53.1	44	180	11.5
07/06/1971	0000	20.0		80.1	55.9	44	180	9.2
07/05/1971	2100	25.0		86.0	59.0	40	170	8.1
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/05/1971	1800	25.0		82.9	57.9	43	200	9.2
07/05/1971	1500	25.0		75.9	55.0	48	160	12.7
07/05/1971	1200	25.0		64.0	55.0	73	140	5.8
07/05/1971	0900	7.0		60.1	57.0	90	0	0.0
07/05/1971	0600	7.0		64.9	59.0	81	350	5.8
07/05/1971	0300	7.0		75.0	59.0	58	180	17.3
07/05/1971	0000	20.0		80.1	57.9	47	160	8.1
07/04/1971	2100	25.0		84.0	57.0	40	150	9.2
07/04/1971	1800	25.0		81.0	55.9	42	200	9.2
07/04/1971	1500	25.0		73.9	55.0	52	120	6.9
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/04/1971	1200	25.0		57.9	51.1	78	0	0.0							CLR
07/04/1971	0900	7.0		52.0	50.0	93	320	4.6							CLR
07/04/1971	0600	7.0		55.9	52.0	87	310	5.8							CLR
07/04/1971	0300	7.0		62.1	53.1	72	0	0.0							CLR
07/04/1971	0000	25.0		77.0	54.0	45	200	3.5							CLR
07/03/1971	2100	25.0		81.0	42.1	25	120	6.9							CLR
07/03/1971	1800	25.0		78.1	42.1	28	200	4.6							CLR
07/03/1971	1500	25.0		72.0	50.0	46	140	5.8							CLR
07/03/1971	1200	25.0		57.9	52.0	81	300	11.5							CLR
07/03/1971	0900	7.0		52.0	51.1	97	0	0.0							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/03/1971	0600	7.0		57.9	51.1	78	0	0.0							CLR
07/03/1971	0300	7.0		64.9	53.1	65	330	8.1							CLR
07/03/1971	0000	25.0		75.9	50.0	40	350	11.5							CLR
07/02/1971	2100	25.0		79.0	54.0	42	340	15.0
07/02/1971	1800	25.0		80.1	55.9	44	340	16.1
07/02/1971	1500	10.0		73.9	60.1	62	360	5.8
07/02/1971	1200	10.0		69.1	64.0	84	310	6.9
07/02/1971	0900	4.0		68.0	68.0	100	280	5.8						FG
07/02/1971	0600	6.0		72.0	69.1	91	280	5.8						FG
07/02/1971	0300	7.0		75.0	71.1	88	350	4.6
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
07/02/1971	0000	9.0		79.0	70.0	74	290	5.8
07/01/1971	2100	4.0		84.0	73.9	72	280	15.0						DZ
07/01/1971	1800	4.0		86.0	73.9	68	270	12.7						DZ
07/01/1971	1500	4.0		80.1	72.0	76	240	5.8						DZ
07/01/1971	1200	3.0		73.0	71.1	94	0	0.0
07/01/1971	0900	3.0		71.1	70.0	96	30	4.6
07/01/1971	0600	3.0		72.0	71.1	97	0	0.0
07/01/1971	0300	3.0		75.0	72.0	90	320	5.8						DZ
07/01/1971	0000	5.0		82.0	75.0	79	260	9.2						DZ

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