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
06/30/1971	2100	3.0		88.0	73.0	62	160	11.5						DZ
06/30/1971	1800	2.0		82.9	73.9	74	90	5.8						DZ
06/30/1971	1500	2.0		80.1	73.0	79	120	3.5						DZ
06/30/1971	1200	1.0		72.0	71.1	97	90	5.8						FG
06/30/1971	0900	1.0		70.0	70.0	100	0	0.0						FG
06/30/1971	0600	1.0		70.0	69.1	97	0	0.0						FG
06/30/1971	0300	2.0		73.9	70.0	88	0	0.0						DZ
06/30/1971	0000	10.5		77.0	68.0	74	140	12.7						DZ
06/29/1971	2100	3.0		80.1	69.1	69	140	13.8						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/29/1971	1800	4.0		81.0	68.0	65	140	9.2						DZ
06/29/1971	1500	5.0		77.0	66.9	71	80	4.6						DZ
06/29/1971	1200	7.0		71.1	63.0	76	90	6.9
06/29/1971	0900	7.0		70.0	61.0	73	120	5.8
06/29/1971	0600	7.0		73.9	63.0	69	100	8.1							CLR
06/29/1971	0300	7.0		81.0	70.0	69	140	16.1
06/29/1971	0000	25.0		84.9	66.0	53	150	13.8
06/28/1971	2100	25.0		88.0	68.0	52	140	11.5
06/28/1971	1800	25.0		84.9	68.0	57	120	4.6
06/28/1971	1500	20.0		77.0	69.1	77	250	13.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/28/1971	1200	7.0		72.0	68.0	87	160	9.2						-SHRA
06/28/1971	0900	5.0		71.1	66.9	87	0	0.0						DZ
06/28/1971	0600	5.0		73.0	68.0	84	0	0.0						DZ
06/28/1971	0300	7.0		75.9	73.9	94	340	8.1
06/28/1971	0000	10.0		84.0	66.0	55	220	4.6							CLR
06/27/1971	2100	9.0		88.0	64.0	45	190	4.6
06/27/1971	1800	10.0		84.0	64.0	51	300	4.6
06/27/1971	1500	10.0		75.0	60.1	60	0	0.0							CLR
06/27/1971	1200	10.0		64.9	57.9	78	20	4.6							CLR
06/27/1971	0900	4.0		61.0	59.0	93	0	0.0						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/27/1971	0600	7.0		64.9	59.0	81	0	0.0
06/27/1971	0300	7.0		70.0	61.0	73	250	4.6
06/27/1971	0000	15.0		79.0	63.0	58	30	6.9
06/26/1971	2100	10.0		82.9	63.0	51	320	9.2
06/26/1971	1800	10.0		81.0	63.0	54	320	5.8
06/26/1971	1500	6.0		75.9	64.0	67	0	0.0						DZ
06/26/1971	1200	10.5		72.0	66.9	84	340	4.6						DZ
06/26/1971	0900	10.5		70.0	68.0	94	0	0.0						DZ
06/26/1971	0600	3.0		72.0	68.0	87	330	4.6						DZ
06/26/1971	0300	5.0		75.0	68.0	79	320	4.6						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/26/1971	0000	5.0		84.0	66.0	55	290	8.1						DZ
06/25/1971	2100	4.0		87.1	68.0	53	170	10.4						DZ
06/25/1971	1800	4.0		84.9	70.0	61	200	11.5						DZ
06/25/1971	1500	3.0		75.0	66.0	74	0	0.0						DZ
06/25/1971	1200	0.8		64.9	64.9	100	0	0.0						FG
06/25/1971	0900	0.5		64.0	64.0	100	0	0.0						FG
06/25/1971	0600	4.0		66.0	64.9	96	0	0.0						FG	CLR
06/25/1971	0300	7.0		71.1	68.0	90	0	0.0							CLR
06/25/1971	0000	9.0		80.1	66.9	64	240	3.5
06/24/1971	2100	7.0		84.9	66.9	55	260	12.7
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/24/1971	1800	7.0		86.0	66.0	52	240	10.4
06/24/1971	1500	3.0		78.1	64.0	62	270	12.7						DZ	CLR
06/24/1971	1200	0.3		64.9	64.9	100	260	4.6						FG
06/24/1971	0900	0.5		64.0	64.0	100	340	5.8						FG
06/24/1971	0600	6.0		66.9	64.0	91	0	0.0						DZ
06/24/1971	0300	7.0		73.0	66.0	79	350	6.9
06/24/1971	0000	10.0		80.1	62.1	54	180	6.9
06/23/1971	2100	15.0		82.0	60.1	48	200	9.2
06/23/1971	1800	15.0		82.0	57.9	44	160	9.2
06/23/1971	1500	10.0		73.9	61.0	64	150	5.8							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/23/1971	1200	10.0		61.0	57.9	90	0	0.0
06/23/1971	0900	7.0		57.9	55.9	93	300	5.8							CLR
06/23/1971	0600	7.0		62.1	59.0	90	0	0.0
06/23/1971	0300	7.0		66.9	61.0	81	0	0.0							CLR
06/23/1971	0000	25.0		77.0	60.1	56	110	5.8							CLR
06/22/1971	2100	25.0		80.1	57.0	45	60	6.9
06/22/1971	1800	25.0		78.1	57.9	50	360	4.6
06/22/1971	1500	25.0		75.0	62.1	64	180	8.1
06/22/1971	1200	9.0		66.0	63.0	90	260	8.1
06/22/1971	0900	6.0		60.1	60.1	100	0	0.0						FG	CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/22/1971	0600	5.0		64.0	63.0	96	0	0.0						FG
06/22/1971	0300	5.0		70.0	66.0	87	340	6.9						DZ
06/22/1971	0000	8.0		73.9	71.1	91	0	0.0
06/21/1971	2100	10.0		82.9	68.0	61	220	5.8
06/21/1971	1800	10.0		75.9	69.1	79	230	4.6
06/21/1971	1500	4.0		75.0	68.0	79	0	0.0						DZ
06/21/1971	1200	4.0		70.0	66.9	90	260	8.1						DZ
06/21/1971	0900	4.0		69.1	68.0	96	0	0.0						FG
06/21/1971	0600	6.0		68.0	68.0	100	0	0.0						FG
06/21/1971	0300	7.0		75.0	69.1	82	10	6.9
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/21/1971	0000	7.0		81.0	64.9	58	160	17.3
06/20/1971	2100	7.0		84.0	66.9	57	140	11.5							CLR
06/20/1971	1800	7.0		75.9	68.0	77	260	13.8						-SHRA
06/20/1971	1500	6.0		77.0	69.1	77	100	5.8						DZ	CLR
06/20/1971	1200	2.0		66.0	64.9	96	80	4.6						FG
06/20/1971	0900	5.0		64.0	64.0	100	0	0.0						FG
06/20/1971	0600	7.0		69.1	66.0	90	0	0.0
06/20/1971	0300	7.0		73.9	66.0	76	0	0.0
06/20/1971	0000	7.0		78.1	64.9	64	170	12.7
06/19/1971	2100	7.0		80.1	64.9	60	170	12.7
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/19/1971	1800	10.0		77.0	64.0	64	180	6.9
06/19/1971	1500	10.0		73.0	61.0	66	360	5.8							CLR
06/19/1971	1200	9.0		63.0	59.0	87	120	4.6
06/19/1971	0900	7.0		57.9	55.9	93	10	4.6
06/19/1971	0600	7.0		62.1	57.9	86	0	0.0							CLR
06/19/1971	0300	7.0		73.0	55.0	53	180	15.0
06/19/1971	0000	10.0		77.0	59.0	54	170	16.1
06/18/1971	2100	10.0		80.1	62.1	54	180	13.8
06/18/1971	1800	10.0		80.1	62.1	54	180	11.5
06/18/1971	1500	7.0		73.9	60.1	62	160	8.1							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/18/1971	1200	0.8		60.1	59.0	96	0	0.0						FG
06/18/1971	0900	2.0		59.0	59.0	100	340	5.8						FG
06/18/1971	0600	4.0		60.1	59.0	96	0	0.0						FG	CLR
06/18/1971	0300	6.0		64.0	62.1	93	0	0.0						FG
06/18/1971	0000	8.0		75.0	61.0	62	120	3.5
06/17/1971	2100	8.0		77.0	60.1	56	210	5.8
06/17/1971	1800	8.0		73.9	60.1	62	0	0.0
06/17/1971	1500	8.0		70.0	55.9	61	0	0.0
06/17/1971	1200	5.0		57.9	55.0	90	0	0.0						DZ
06/17/1971	0900	4.0		55.0	55.0	100	0	0.0						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/17/1971	0600	5.0		55.9	55.9	100	0	0.0						FG
06/17/1971	0300	7.0		60.1	57.9	93	0	0.0
06/17/1971	0000	15.0		66.0	57.0	73	0	0.0
06/16/1971	2100	20.0		66.9	54.0	63	290	3.5
06/16/1971	1800	20.0		66.0	51.1	59	120	8.1
06/16/1971	1500	15.0		60.1	50.0	69	120	9.2
06/16/1971	1200	10.0		55.9	50.0	80	100	11.5
06/16/1971	0900	7.0		55.9	52.0	87	80	11.5
06/16/1971	0600	7.0		57.0	52.0	83	60	9.2
06/16/1971	0300	7.0		57.0	52.0	83	80	11.5
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/16/1971	0000	8.0		57.9	55.0	90	100	11.5
06/15/1971	2100	15.0		57.9	54.0	87	90	9.2
06/15/1971	1800	20.0		57.0	54.0	90	120	15.0
06/15/1971	1500	2.0		57.9	57.0	97	70	9.2						-DZ FG
06/15/1971	1200	7.0		55.9	55.0	97	60	10.4						-RA
06/15/1971	0900	6.0		55.9	53.1	90	40	6.9						FG
06/15/1971	0600	6.0		60.1	54.0	80	60	9.2						DZ
06/15/1971	0300	5.0		63.0	55.9	78	50	6.9						DZ
06/15/1971	0000	4.0		64.9	60.1	84	90	9.2						DZ
06/14/1971	2100	6.0		69.1	63.0	81	100	15.0						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/14/1971	1800	15.0		73.9	66.0	76	130	8.1
06/14/1971	1500	7.0		68.0	66.0	93	110	3.5						-SHRA
06/14/1971	1200	1.0		66.0	66.0	100	300	3.5				0.50		FG
06/14/1971	0900	1.0		66.0	66.0	100	290	3.5						FG
06/14/1971	0600	3.0		66.9	66.9	100	0	0.0						FG
06/14/1971	0300	7.0		69.1	68.0	96	220	4.6				0.10		-SHRA
06/14/1971	0000	8.0		77.0	66.0	69	50	6.9
06/13/1971	2100	9.0		80.1	66.0	62	270	4.6
06/13/1971	1800	7.0		78.1	66.9	69	270	9.2
06/13/1971	1500	2.0		70.0	69.1	97	80	4.6						-SHRA FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/13/1971	1200	1.0		66.0	66.0	100	120	4.6						FG
06/13/1971	0900	0.5		64.0	64.0	100	0	0.0						FG
06/13/1971	0600	4.0		64.0	64.0	100	0	0.0						FG	CLR
06/13/1971	0300	5.0		64.9	63.0	93	0	0.0						DZ
06/13/1971	0000	5.0		73.0	66.0	79	260	8.1				0.01		-TSRA DZ
06/12/1971	2100	5.0		80.1	64.0	58	360	5.8						DZ
06/12/1971	1800	4.0		81.0	61.0	51	280	9.2						DZ
06/12/1971	1500	4.0		73.0	63.0	71	270	8.1						DZ
06/12/1971	1200	3.0		64.9	62.1	90	0	0.0
06/12/1971	0900	3.0		62.1	61.0	96	300	5.8						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/12/1971	0600	7.0		64.0	62.1	93	0	0.0
06/12/1971	0300	7.0		71.1	62.1	73	350	6.9
06/12/1971	0000	15.0		78.1	59.0	52	170	12.7
06/11/1971	2100	25.0		80.1	55.9	44	130	8.1
06/11/1971	1800	25.0		77.0	55.9	48	130	13.8
06/11/1971	1500	25.0		68.0	51.1	55	120	5.8
06/11/1971	1200	25.0		55.0	48.9	80	0	0.0
06/11/1971	0900	25.0		50.0	46.9	89	0	0.0							CLR
06/11/1971	0600	7.0		55.0	50.0	83	0	0.0							CLR
06/11/1971	0300	7.0		63.0	48.9	60	0	0.0							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/11/1971	0000	25.0		75.0	45.0	34	10	6.9							CLR
06/10/1971	2100	25.0		77.0	43.0	30	340	9.2							CLR
06/10/1971	1800	25.0		73.9	43.0	33	170	6.9							CLR
06/10/1971	1500	25.0		70.0	45.0	41	70	6.9							CLR
06/10/1971	1200	25.0		59.0	51.1	75	260	8.1							CLR
06/10/1971	0900	25.0		52.0	48.0	86	250	5.8
06/10/1971	0600	7.0		55.9	48.9	77	0	0.0
06/10/1971	0300	7.0		63.0	50.0	63	270	4.6
06/10/1971	0000	25.0		70.0	48.9	47	360	6.9
06/09/1971	2100	25.0		75.0	48.9	40	20	9.2
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/09/1971	1800	25.0		73.9	50.0	43	340	9.2
06/09/1971	1500	25.0		72.0	52.0	49	320	15.0
06/09/1971	1200	25.0		66.0	53.1	63	310	18.4
06/09/1971	0900	7.0		63.0	55.9	78	300	8.1
06/09/1971	0600	7.0		64.9	57.9	78	300	6.9
06/09/1971	0300	7.0		69.1	57.9	68	310	11.5
06/09/1971	0000	10.0		78.1	61.0	56	290	13.8
06/08/1971	2100	10.0		86.0	62.1	45	240	13.8
06/08/1971	1800	7.0		87.1	66.0	50	280	15.0
06/08/1971	1500	4.0		80.1	69.1	69	250	11.5						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/08/1971	1200	4.0		71.1	66.9	87	100	5.8						DZ	CLR
06/08/1971	0900	4.0		70.0	66.9	90	0	0.0						DZ
06/08/1971	0600	5.0		70.0	68.0	94	240	11.5						DZ
06/08/1971	0300	5.0		75.9	66.9	74	0	0.0						DZ
06/08/1971	0000	5.0		81.0	70.0	69	190	16.1						DZ
06/07/1971	2100	6.0		87.1	71.1	59	150	10.4						DZ
06/07/1971	1800	7.0		82.9	75.0	77	70	6.9							CLR
06/07/1971	1500	7.0		73.9	66.9	79	180	3.5
06/07/1971	1200	6.0		66.0	63.0	90	0	0.0						FG
06/07/1971	0900	5.0		61.0	61.0	100	0	0.0						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/07/1971	0600	7.0		64.9	63.0	93	340	4.6
06/07/1971	0300	7.0		72.0	64.0	76	270	11.5
06/07/1971	0000	7.0		79.0	70.0	74	120	6.9
06/06/1971	2100	7.0		81.0	69.1	67	220	5.8
06/06/1971	1800	7.0		75.0	68.0	79	160	4.6
06/06/1971	1500	8.0		66.0	63.0	90	120	5.8
06/06/1971	1200	7.0		61.0	60.1	97	90	4.6
06/06/1971	0900	7.0		64.9	55.0	70	90	9.2						-SHRA
06/06/1971	0600	7.0		68.0	55.0	63	0	0.0
06/06/1971	0300	7.0		71.1	61.0	71	0	0.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/06/1971	0000	25.0		77.0	57.0	50	360	4.6
06/05/1971	2100	25.0		80.1	55.0	42	350	8.1
06/05/1971	1800	15.0		77.0	55.0	47	240	8.1
06/05/1971	1500	15.0		73.9	57.0	56	230	5.8
06/05/1971	1200	6.0		66.0	60.1	81	260	9.2						DZ
06/05/1971	0900	7.0		62.1	57.9	86	0	0.0
06/05/1971	0600	7.0		66.0	57.9	75	0	0.0
06/05/1971	0300	7.0		70.0	57.9	66	180	6.9
06/05/1971	0000	15.0		81.0	54.0	39	300	5.8
06/04/1971	2100	15.0		86.0	55.0	35	300	10.4
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/04/1971	1800	15.0		82.0	57.0	43	260	6.9
06/04/1971	1500	7.0		75.9	61.0	60	260	9.2							CLR
06/04/1971	1200	4.0		64.0	59.0	84	0	0.0						DZ	CLR
06/04/1971	0900	5.0		59.0	57.9	96	320	6.9						FG	CLR
06/04/1971	0600	5.0		61.0	60.1	97	0	0.0						FG
06/04/1971	0300	6.0		68.0	64.0	87	0	0.0						DZ
06/04/1971	0000	7.0		79.0	62.1	56	240	6.9
06/03/1971	2100	6.0		80.1	64.0	58	240	13.8						DZ
06/03/1971	1800	6.0		81.0	64.0	57	260	15.0						DZ
06/03/1971	1500	4.0		75.9	66.9	74	270	10.4						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/03/1971	1200	2.0		66.0	64.9	96	0	0.0						FG
06/03/1971	0900	2.0		64.9	64.0	97	140	4.6						FG
06/03/1971	0600	3.0		64.9	63.0	93	130	6.9						FG
06/03/1971	0300	3.0		66.0	63.0	90	180	6.9						FG
06/03/1971	0000	2.0		64.9	62.1	90	160	18.4						-RA FG
06/02/1971	2100	3.0		64.9	60.1	84	170	6.9						-SHRA DZ
06/02/1971	1800	9.0		71.1	52.0	51	160	15.0
06/02/1971	1500	7.0		64.9	57.0	76	120	10.4
06/02/1971	1200	7.0		60.1	54.0	80	80	12.7
06/02/1971	0900	7.0		54.0	48.0	80	70	5.8							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/02/1971	0600	7.0		55.0	48.0	77	0	0.0
06/02/1971	0300	7.0		60.1	48.9	67	0	0.0
06/02/1971	0000	25.0		72.0	45.0	38	170	5.8
06/01/1971	2100	25.0		75.0	42.1	31	180	8.1
06/01/1971	1800	25.0		73.0	42.1	33	0	0.0
06/01/1971	1500	25.0		66.0	39.9	38	120	12.7
06/01/1971	1200	25.0		53.1	41.0	64	270	9.2
06/01/1971	0900	7.0		46.0	39.9	79	0	0.0
06/01/1971	0600	7.0		55.0	36.0	49	0	0.0
06/01/1971	0300	7.0		60.1	37.0	42	360	5.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
06/01/1971	0000	25.0		70.0	43.0	38	350	15.0

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