Pennsylvania State Climatologist

National Weather Service Office Sites
Sites With Hourly Observations
Other Cities

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
12/31/1971	2100	25.0		32.0	16.0	51	300	9.2
12/31/1971	1800	25.0		30.9	17.1	56	320	12.7
12/31/1971	1500	25.0		28.0	15.1	58	310	16.1
12/31/1971	1200	7.0		28.9	16.0	58	290	19.6
12/31/1971	0900	7.0		35.1	19.9	54	280	16.1
12/31/1971	0600	7.0		41.0	28.0	60	280	15.0
12/31/1971	0300	0.8		37.0	36.0	96	250	9.2						FG
12/31/1971	0000	2.0		36.0	34.0	92	250	8.1						FG
12/30/1971	2100	3.0		37.0	35.1	93	60	19.6						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/30/1971	1800	10.5		34.0	33.1	97	50	9.2				0.02		-RA FG
12/30/1971	1500	4.0		34.0	30.0	85	100	15.0				0.07		-RA
12/30/1971	1200	6.0		32.0	28.9	88	70	12.7				0.02		FG
12/30/1971	0900	7.0		33.1	28.0	82	170	6.9				0.01
12/30/1971	0600	7.0		36.0	23.0	59	320	5.8
12/30/1971	0300	7.0		34.0	19.9	56	270	11.5
12/30/1971	0000	7.0		34.0	19.9	56	290	5.8
12/29/1971	2100	15.0		39.9	19.0	43	260	11.5
12/29/1971	1800	20.0		37.9	19.9	48	270	13.8							CLR
12/29/1971	1500	20.0		33.1	19.9	58	240	16.1							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/29/1971	1200	7.0		30.0	19.9	66	240	11.5
12/29/1971	0900	7.0		33.1	21.9	63	280	13.8
12/29/1971	0600	7.0		34.0	19.9	56	260	11.5
12/29/1971	0300	7.0		35.1	21.0	56	270	11.5
12/29/1971	0000	7.0		39.9	25.0	55	300	15.0
12/28/1971	2100	25.0		44.1	28.9	55	310	11.5
12/28/1971	1800	25.0		46.0	33.1	60	310	18.4
12/28/1971	1500	25.0		48.0	42.1	80	290	5.8
12/28/1971	1200	5.5		45.0	44.1	97	320	5.8						FG
12/28/1971	0900	2.0		48.0	45.0	89	0	0.0						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/28/1971	0600	2.0		48.9	46.0	90	90	11.5						FG
12/28/1971	0300	2.0		46.9	45.0	93	70	11.5						FG
12/28/1971	0000	10.5		45.0	44.1	97	70	15.0						FG
12/27/1971	2100	10.5		42.1	41.0	96	50	13.8						FG
12/27/1971	1800	5.0		43.0	39.9	89	70	12.7						-RA FG
12/27/1971	1500	15.0		43.0	39.0	86	0	0.0
12/27/1971	1200	9.0		44.1	37.9	79	0	0.0
12/27/1971	0900	7.0		46.0	39.9	79	0	0.0
12/27/1971	0600	7.0		43.0	39.0	86	0	0.0
12/27/1971	0300	7.0		44.1	39.0	82	0	0.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/27/1971	0000	7.0		43.0	37.9	82	0	0.0
12/26/1971	2100	7.0		45.0	36.0	71	0	0.0
12/26/1971	1800	8.0		43.0	35.1	73	170	3.5
12/26/1971	1500	7.0		39.9	36.0	86	0	0.0
12/26/1971	1200	7.0		39.0	33.1	79	340	4.6
12/26/1971	0900	7.0		39.9	30.0	67	0	0.0						-RA
12/26/1971	0600	7.0		39.9	28.9	65	60	11.5
12/26/1971	0300	7.0		37.9	25.0	59	60	15.0
12/26/1971	0000	7.0		36.0	23.0	59	0	0.0
12/25/1971	2100	25.0		37.9	21.0	50	90	9.2
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/25/1971	1800	25.0		39.0	19.9	46	70	3.5
12/25/1971	1500	25.0		33.1	19.9	58	310	10.4							CLR
12/25/1971	1200	25.0		32.0	21.9	66	320	5.8							CLR
12/25/1971	0900	7.0		37.9	25.0	59	280	15.0
12/25/1971	0600	7.0		39.9	26.1	57	270	15.0
12/25/1971	0300	7.0		43.0	27.0	53	270	17.3
12/25/1971	0000	7.0		48.0	36.0	63	270	19.6
12/24/1971	2100	6.0		39.9	37.9	93	10	4.6						FG
12/24/1971	1800	7.0		43.0	37.0	79	70	11.5
12/24/1971	1500	15.0		41.0	33.1	73	50	11.5
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/24/1971	1200	10.0		39.0	30.0	70	50	13.8
12/24/1971	0900	7.0		35.1	26.1	69	60	13.8
12/24/1971	0600	7.0		33.1	21.9	63	40	13.8
12/24/1971	0300	7.0		32.0	15.1	49	40	10.4
12/24/1971	0000	7.0		32.0	12.0	43	50	6.9
12/23/1971	2100	25.0		30.9	10.0	41	100	5.8
12/23/1971	1800	25.0		30.0	10.0	43	40	12.7
12/23/1971	1500	25.0		25.0	12.0	57	90	11.5
12/23/1971	1200	7.0		16.0	10.0	77	50	5.8							CLR
12/23/1971	0900	7.0		15.1	9.0	76	0	0.0							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/23/1971	0600	7.0		18.0	10.0	71	340	3.5							CLR
12/23/1971	0300	7.0		21.9	10.0	60	0	0.0							CLR
12/23/1971	0000	7.0		26.1	5.0	40	350	6.9							CLR
12/22/1971	2100	25.0		30.9	3.0	30	350	12.7
12/22/1971	1800	25.0		30.9	3.9	31	350	13.8							CLR
12/22/1971	1500	25.0		28.0	8.1	42	320	11.5							CLR
12/22/1971	1200	7.0		27.0	9.0	46	320	13.8							CLR
12/22/1971	0900	7.0		30.0	8.1	39	320	12.7
12/22/1971	0600	7.0		34.0	18.0	51	320	11.5
12/22/1971	0300	7.0		37.0	26.1	64	260	11.5
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/22/1971	0000	7.0		41.0	27.0	57	290	12.7
12/21/1971	2100	15.0		43.0	30.9	62	290	9.2
12/21/1971	1800	4.0		42.1	37.0	82	270	11.5						DZ
12/21/1971	1500	1.0		36.0	35.1	97	0	0.0						FG
12/21/1971	1200	0.5		35.1	35.1	100	0	0.0						FG
12/21/1971	0900	2.0		34.0	33.1	97	0	0.0						FG
12/21/1971	0600	2.0		35.1	34.0	96	0	0.0						FG
12/21/1971	0300	3.0		36.0	34.0	92	0	0.0						FG
12/21/1971	0000	3.0		36.0	34.0	92	0	0.0						FG
12/20/1971	2100	10.5		36.0	34.0	92	80	5.8						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/20/1971	1800	5.0		35.1	32.0	89	100	3.5						-DZ
12/20/1971	1500	9.0		35.1	28.9	78	0	0.0						-RA
12/20/1971	1200	7.0		35.1	23.0	61	60	12.7
12/20/1971	0900	7.0		34.0	19.0	54	70	13.8
12/20/1971	0600	7.0		33.1	17.1	51	90	9.2						-SN
12/20/1971	0300	7.0		32.0	16.0	51	110	8.1
12/20/1971	0000	7.0		32.0	15.1	49	130	12.7
12/19/1971	2100	25.0		32.0	14.0	47	160	11.5
12/19/1971	1800	25.0		30.9	15.1	51	160	19.6
12/19/1971	1500	10.0		26.1	17.1	68	140	9.2
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/19/1971	1200	8.0		21.9	18.0	84	100	6.9
12/19/1971	0900	7.0		23.0	15.1	71	90	4.6
12/19/1971	0600	7.0		23.0	12.0	62	90	4.6
12/19/1971	0300	7.0		24.1	10.0	54	310	6.9
12/19/1971	0000	7.0		24.1	6.1	46	300	8.1							CLR
12/18/1971	2100	25.0		28.9	5.0	35	300	18.4							CLR
12/18/1971	1800	25.0		28.9	9.0	42	300	17.3
12/18/1971	1500	25.0		26.1	14.0	60	290	25.3
12/18/1971	1200	10.0		21.0	14.0	74	240	11.5
12/18/1971	0900	7.0		24.1	7.0	47	280	11.5
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/18/1971	0600	10.5		28.0	25.0	88	310	11.5				0.01		-SHSN
12/18/1971	0300	7.0		30.9	25.0	78	0	0.0
12/18/1971	0000	7.0		37.0	25.0	61	260	12.7
12/17/1971	2100	10.0		41.0	23.0	48	240	13.8
12/17/1971	1800	10.0		42.1	26.1	53	250	15.0
12/17/1971	1500	7.0		34.0	30.9	88	0	0.0
12/17/1971	1200	7.0		32.0	28.0	85	0	0.0
12/17/1971	0900	7.0		35.1	30.0	82	40	4.6
12/17/1971	0600	7.0		37.9	28.9	70	290	5.8
12/17/1971	0300	7.0		42.1	28.9	59	280	9.2
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/17/1971	0000	7.0		48.0	32.0	54	290	17.3
12/16/1971	2100	25.0		55.0	35.1	47	260	10.4
12/16/1971	1800	25.0		57.0	39.9	53	260	16.1
12/16/1971	1500	20.0		53.1	43.0	69	260	15.0
12/16/1971	1200	7.0		51.1	37.0	59	290	3.5
12/16/1971	0900	6.0		39.9	39.0	97	0	0.0						FG	CLR
12/16/1971	0600	0.5		39.9	39.9	100	0	0.0						FG
12/16/1971	0300	2.0		45.0	45.0	100	0	0.0						FG
12/16/1971	0000	4.0		51.1	48.9	92	160	6.9						FG
12/15/1971	2100	2.8		44.1	43.0	96	10	10.4
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/15/1971	1800	10.5		42.1	39.9	92	80	12.7						FG
12/15/1971	1500	4.0		41.0	37.0	86	70	15.0						FG
12/15/1971	1200	4.0		35.1	33.1	92	90	9.2						-RA FG
12/15/1971	0900	4.0		35.1	33.1	92	90	4.6						FG
12/15/1971	0600	6.0		35.1	33.1	92	0	0.0						FG
12/15/1971	0300	5.0		35.1	32.0	89	190	4.6						-RA FG
12/15/1971	0000	4.0		33.1	30.0	88	80	6.9				0.01		-RA FG
12/14/1971	2100	5.0		33.1	28.0	82	50	17.3				0.05		-RA
12/14/1971	1800	10.0		34.0	23.0	64	70	10.4
12/14/1971	1500	10.0		28.0	23.0	81	130	4.6
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/14/1971	1200	7.0		23.0	19.9	88	0	0.0
12/14/1971	0900	7.0		26.1	19.9	77	0	0.0
12/14/1971	0600	7.0		28.0	19.9	71	0	0.0							CLR
12/14/1971	0300	7.0		35.1	19.9	54	260	11.5							CLR
12/14/1971	0000	7.0		37.9	16.0	40	270	6.9
12/13/1971	2100	25.0		45.0	14.0	28	300	13.8
12/13/1971	1800	25.0		46.0	19.0	34	280	12.7							CLR
12/13/1971	1500	25.0		42.1	25.0	50	290	18.4							CLR
12/13/1971	1200	7.0		39.0	30.9	72	250	10.4
12/13/1971	0900	7.0		42.1	33.1	70	270	9.2
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/13/1971	0600	7.0		37.0	34.0	89	0	0.0
12/13/1971	0300	7.0		35.1	30.9	85	0	0.0
12/13/1971	0000	7.0		39.9	30.9	70	330	4.6
12/12/1971	2100	25.0		48.0	30.0	50	110	4.6
12/12/1971	1800	25.0		48.0	28.0	46	110	9.2							CLR
12/12/1971	1500	25.0		37.0	26.1	64	30	10.4
12/12/1971	1200	25.0		25.0	21.9	88	130	3.5
12/12/1971	0900	7.0		26.1	23.0	88	0	0.0							CLR
12/12/1971	0600	7.0		27.0	21.9	81	0	0.0							CLR
12/12/1971	0300	7.0		30.0	23.0	75	0	0.0							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/12/1971	0000	7.0		37.0	24.1	59	340	4.6							CLR
12/11/1971	2100	25.0		52.0	18.0	26	240	8.1							CLR
12/11/1971	1800	25.0		52.0	21.0	29	280	16.1							CLR
12/11/1971	1500	25.0		52.0	33.1	48	260	17.3							CLR
12/11/1971	1200	15.0		48.9	46.9	93	360	5.8
12/11/1971	0900	2.0		53.1	52.0	96	120	5.8						FG
12/11/1971	0600	2.0		52.0	51.1	97	0	0.0						FG
12/11/1971	0300	2.0		50.0	48.9	96	120	13.8						-DZ FG
12/11/1971	0000	2.0		48.9	48.0	97	120	13.8						-RA FG
12/10/1971	2100	5.0		50.0	46.0	86	100	10.4						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/10/1971	1800	5.0		48.0	46.0	93	70	10.4						FG
12/10/1971	1500	5.5		44.1	44.1	100	0	0.0						FG
12/10/1971	1200	0.0		42.1	42.1	100	230	3.5						FG
12/10/1971	0900	0.0		42.1	42.1	100	0	0.0						FG
12/10/1971	0600	0.3		42.1	42.1	100	0	0.0						FG
12/10/1971	0300	5.5		42.1	42.1	100	120	3.5						FG
12/10/1971	0000	2.0		44.1	43.0	96	80	6.9						-DZ FG
12/09/1971	2100	2.8		43.0	42.1	97	60	10.4						-DZ FG
12/09/1971	1800	0.8		41.0	39.9	96	140	9.2						-DZ FG
12/09/1971	1500	0.8		39.9	39.9	100	80	3.5						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/09/1971	1200	0.8		39.0	39.0	100	80	9.2						FG
12/09/1971	0900	5.5		39.0	39.0	100	0	0.0						FG
12/09/1971	0600	5.5		39.0	39.0	100	0	0.0						FG
12/09/1971	0300	2.0		39.9	39.0	97	60	5.8						FG
12/09/1971	0000	2.0		39.9	39.0	97	70	4.6						FG
12/08/1971	2100	2.0		39.9	39.0	97	0	0.0						-DZ FG
12/08/1971	1800	10.5		41.0	39.0	93	110	4.6						-DZ FG
12/08/1971	1500	7.0		41.0	37.9	89	90	11.5
12/08/1971	1200	6.0		41.0	39.0	93	90	16.1						FG
12/08/1971	0900	0.8		39.0	39.0	100	0	0.0						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/08/1971	0600	0.8		39.9	39.9	100	0	0.0						-RA FG
12/08/1971	0300	1.0		39.0	39.0	100	0	0.0						-RA FG
12/08/1971	0000	0.8		39.0	39.0	100	0	0.0						-RA FG
12/07/1971	2100	1.0		39.9	39.9	100	230	4.6						-RA FG
12/07/1971	1800	5.5		39.9	39.0	97	250	3.5						-RA FG
12/07/1971	1500	0.8		36.0	36.0	100	0	0.0						-RA FG
12/07/1971	1200	0.5		36.0	36.0	100	0	0.0						FG
12/07/1971	0900	0.3		37.0	37.0	100	0	0.0						FG
12/07/1971	0600	2.0		37.9	37.0	97	0	0.0						FG
12/07/1971	0300	10.5		34.0	33.1	97	0	0.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/07/1971	0000	4.0		35.1	35.1	100	40	13.8						-RA FG
12/06/1971	2100	2.0		34.0	33.1	97	40	15.0				0.05		-RA FG
12/06/1971	1800	3.0		34.0	33.1	97	80	8.1				0.20		RA FG
12/06/1971	1500	4.0		33.1	32.0	96	140	5.8				0.10		-RA FG
12/06/1971	1200	4.0		33.1	30.9	92	50	11.5				0.08		-RA FG
12/06/1971	0900	4.0		32.0	28.9	88	20	5.8						-FZRA
12/06/1971	0600	7.0		30.0	24.1	78	50	9.2				0.04
12/06/1971	0300	7.0		30.0	17.1	58	80	4.6
12/06/1971	0000	7.0		30.9	10.9	43	50	16.1
12/05/1971	2100	25.0		32.0	10.0	39	120	6.9
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/05/1971	1800	25.0		30.9	10.0	41	120	9.2
12/05/1971	1500	25.0		21.0	17.1	84	150	5.8
12/05/1971	1200	10.0		14.0	12.0	92	0	0.0
12/05/1971	0900	7.0		18.0	14.0	84	0	0.0							CLR
12/05/1971	0600	7.0		19.9	17.1	88	0	0.0							CLR
12/05/1971	0300	7.0		23.0	19.0	85	0	0.0							CLR
12/05/1971	0000	7.0		28.0	21.0	75	0	0.0							CLR
12/04/1971	2100	15.0		35.1	23.0	61	360	8.1
12/04/1971	1800	7.0		32.0	24.1	72	270	8.1
12/04/1971	1500	4.0		24.1	19.9	84	290	6.9						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/04/1971	1200	5.0		18.0	15.1	88	0	0.0						FG
12/04/1971	0900	7.0		18.0	15.1	88	0	0.0							CLR
12/04/1971	0600	7.0		19.9	17.1	88	0	0.0							CLR
12/04/1971	0300	5.0		21.9	19.0	88	0	0.0						DZ
12/04/1971	0000	7.0		25.0	19.0	78	0	0.0
12/03/1971	2100	8.0		28.0	19.9	71	120	4.6
12/03/1971	1800	6.0		27.0	18.0	68	260	5.8						FU
12/03/1971	1500	4.0		19.9	15.1	81	0	0.0						FU
12/03/1971	1200	7.0		15.1	12.0	87	0	0.0
12/03/1971	0900	7.0		12.9	10.0	88	0	0.0							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/03/1971	0600	7.0		15.1	10.9	83	320	4.6							CLR
12/03/1971	0300	7.0		19.0	12.9	77	320	4.6							CLR
12/03/1971	0000	7.0		23.0	12.9	65	0	0.0							CLR
12/02/1971	2100	25.0		30.0	10.9	44	340	11.5							CLR
12/02/1971	1800	25.0		28.9	12.9	51	280	9.2							CLR
12/02/1971	1500	25.0		23.0	12.9	65	260	8.1							CLR
12/02/1971	1200	15.0		15.1	10.9	83	280	4.6							CLR
12/02/1971	0900	7.0		18.0	12.0	77	270	11.5							CLR
12/02/1971	0600	7.0		19.9	10.9	68	260	6.9							CLR
12/02/1971	0300	7.0		21.0	10.9	65	300	8.1							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/02/1971	0000	7.0		26.1	10.9	52	320	11.5							CLR
12/01/1971	2100	25.0		32.0	10.9	41	340	11.5							CLR
12/01/1971	1800	25.0		32.0	12.9	45	310	17.3
12/01/1971	1500	25.0		28.9	14.0	53	310	15.0
12/01/1971	1200	25.0		25.0	14.0	63	300	9.2							CLR
12/01/1971	0900	7.0		28.0	15.1	58	300	15.0
12/01/1971	0600	7.0		30.9	16.0	53	310	15.0						-SHSN
12/01/1971	0300	7.0		34.0	19.9	56	300	11.5
12/01/1971	0000	7.0		35.1	21.9	58	300	16.1

Williamsport

Mailing Address:

Online:

E-mail:

Phone: