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
12/31/1970	2100	15.0		28.0	14.0	55	0	0.0
12/31/1970	1800	15.0		24.1	10.0	54	110	6.9
12/31/1970	1500	15.0		17.1	8.1	67	240	6.9
12/31/1970	1200	15.0		14.0	6.1	70	360	3.5
12/31/1970	0900	10.0		12.9	7.0	77	340	3.5
12/31/1970	0600	15.0		12.9	6.1	74	0	0.0
12/31/1970	0300	15.0		19.9	6.1	54	250	5.8
12/31/1970	0000	15.0		23.0	7.0	50	0	0.0							CLR
12/30/1970	2100	15.0		30.0	8.1	39	310	11.5							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/30/1970	1800	15.0		28.9	9.0	42	310	16.1							CLR
12/30/1970	1500	15.0		24.1	10.0	54	290	15.0							CLR
12/30/1970	1200	15.0		18.0	10.0	71	260	11.5
12/30/1970	0900	10.0		19.9	12.9	74	290	6.9
12/30/1970	0600	10.0		19.9	12.0	71	300	8.1
12/30/1970	0300	15.0		19.9	12.9	74	280	8.1
12/30/1970	0000	15.0		23.0	12.0	62	300	4.6							CLR
12/29/1970	2100	15.0		30.0	12.9	48	310	9.2
12/29/1970	1800	15.0		30.0	12.9	48	300	11.5
12/29/1970	1500	15.0		26.1	15.1	63	250	13.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/29/1970	1200	15.0		21.0	15.1	77	290	12.7						-SHSN
12/29/1970	0900	7.0		23.0	17.1	78	270	6.9
12/29/1970	0600	10.0		23.0	15.1	71	260	9.2
12/29/1970	0300	10.0		27.0	16.0	63	270	11.5
12/29/1970	0000	15.0		28.9	16.0	58	270	13.8
12/28/1970	2100	15.0		30.0	15.1	53	300	13.8
12/28/1970	1800	15.0		30.9	15.1	51	290	17.3
12/28/1970	1500	15.0		25.0	12.9	60	290	12.7
12/28/1970	1200	15.0		21.0	10.0	62	280	11.5
12/28/1970	0900	10.0		25.0	12.9	60	280	13.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/28/1970	0600	10.0		27.0	14.0	58	280	16.1
12/28/1970	0300	10.0		26.1	15.1	63	260	8.1
12/28/1970	0000	6.0		28.9	21.0	72	270	8.1						-SN DZ
12/27/1970	2100	2.0		27.0	19.0	72	0	0.0						-SN DZ
12/27/1970	1800	7.0		24.1	17.1	74	90	4.6
12/27/1970	1500	2.0		19.9	16.0	84	50	5.8						-SN FG
12/27/1970	1200	3.0		18.0	12.9	80	60	9.2						-SN
12/27/1970	0900	10.0		19.0	10.0	67	260	6.9
12/27/1970	0600	10.0		19.0	10.0	67	270	11.5
12/27/1970	0300	10.0		21.9	12.9	68	270	13.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/27/1970	0000	15.0		25.0	12.9	60	260	16.1
12/26/1970	2100	15.0		30.0	18.0	60	270	16.1
12/26/1970	1800	10.0		32.0	21.0	64	270	18.4
12/26/1970	1500	9.0		30.0	19.0	63	300	13.8
12/26/1970	1200	10.0		27.0	19.0	72	280	10.4
12/26/1970	0900	4.0		27.0	24.1	89	270	6.9						FG
12/26/1970	0600	2.0		27.0	23.0	85	0	0.0						-SN
12/26/1970	0300	10.0		28.0	19.9	71	0	0.0
12/26/1970	0000	10.0		26.1	18.0	71	140	4.6
12/25/1970	2100	15.0		30.9	19.0	61	160	8.1
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/25/1970	1800	10.0		32.0	21.9	66	200	6.9
12/25/1970	1500	8.0		30.9	21.0	66	190	9.2
12/25/1970	1200	10.0		30.0	21.0	69	230	4.6
12/25/1970	0900	10.0		30.0	23.0	75	280	9.2
12/25/1970	0600	10.0		30.9	23.0	72	280	10.4
12/25/1970	0300	15.0		30.9	21.9	69	270	11.5
12/25/1970	0000	15.0		30.9	19.0	61	280	15.0
12/24/1970	2100	15.0		30.9	18.0	58	280	16.1
12/24/1970	1800	15.0		30.9	18.0	58	290	19.6						-SHSN
12/24/1970	1500	15.0		28.0	15.1	58	260	13.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/24/1970	1200	15.0		30.9	17.1	56	270	16.1
12/24/1970	0900	5.0		35.1	34.0	96	260	17.3						DZ
12/24/1970	0600	10.5		34.0	33.1	97	120	13.8						-SN FG
12/24/1970	0300	3.0		35.1	33.1	92	70	13.8						-DZ FG
12/24/1970	0000	2.0		35.1	32.0	89	50	13.8						-DZ FG
12/23/1970	2100	4.0		35.1	30.9	85	70	16.1						FG
12/23/1970	1800	4.0		34.0	28.0	79	80	16.1
12/23/1970	1500	7.0		34.0	28.0	79	80	9.2
12/23/1970	1200	6.0		33.1	28.9	85	80	8.1						DZ
12/23/1970	0900	1.0		35.1	33.1	92	0	0.0						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/23/1970	0600	1.0		35.1	34.0	96	90	3.5						FG
12/23/1970	0300	3.0		35.1	34.0	96	0	0.0						FG
12/23/1970	0000	4.0		35.1	33.1	92	40	5.8						FG
12/22/1970	2100	2.0		34.0	32.0	92	90	8.1						-DZ FG
12/22/1970	1800	10.5		33.1	30.0	88	120	11.5						-DZ FG
12/22/1970	1500	10.5		32.0	28.9	88	80	17.3
12/22/1970	1200	0.8		30.9	27.0	85	50	15.0
12/22/1970	0900	2.0		30.9	28.0	89	60	11.5						FG
12/22/1970	0600	4.0		32.0	28.9	88	60	11.5						FG
12/22/1970	0300	2.0		30.0	28.0	92	60	5.8						-SN FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/22/1970	0000	2.0		32.0	28.9	88	80	4.6						-SN FG
12/21/1970	2100	3.0		33.1	25.0	72	90	9.2						-SN
12/21/1970	1800	15.0		33.1	24.1	69	70	4.6
12/21/1970	1500	10.0		30.9	24.1	75	0	0.0
12/21/1970	1200	10.0		28.0	23.0	81	0	0.0
12/21/1970	0900	10.0		25.0	21.0	85	0	0.0
12/21/1970	0600	10.0		28.0	21.9	78	340	4.6
12/21/1970	0300	10.0		32.0	25.0	75	280	6.9
12/21/1970	0000	15.0		33.1	24.1	69	250	6.9
12/20/1970	2100	15.0		39.9	27.0	60	290	19.6
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/20/1970	1800	15.0		44.1	24.1	45	280	15.0
12/20/1970	1500	15.0		42.1	27.0	55	270	15.0
12/20/1970	1200	15.0		39.0	28.0	64	280	15.0
12/20/1970	0900	10.0		41.0	28.9	62	270	17.3
12/20/1970	0600	10.0		41.0	32.0	70	270	13.8
12/20/1970	0300	10.0		43.0	34.0	70	280	11.5
12/20/1970	0000	10.0		45.0	36.0	71	300	20.7
12/19/1970	2100	4.0		41.0	35.1	79	0	0.0						DZ
12/19/1970	1800	5.0		37.9	32.0	79	70	6.9						DZ
12/19/1970	1500	6.0		36.0	32.0	85	50	4.6						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/19/1970	1200	6.0		35.1	30.0	82	120	6.9						DZ
12/19/1970	0900	5.0		34.0	28.9	82	90	11.5						DZ
12/19/1970	0600	5.0		33.1	27.0	78	90	9.2						DZ
12/19/1970	0300	8.0		33.1	28.9	85	0	0.0
12/19/1970	0000	9.0		35.1	30.0	82	0	0.0
12/18/1970	2100	9.0		37.9	30.9	76	250	8.1
12/18/1970	1800	7.0		37.9	30.0	73	290	6.9
12/18/1970	1500	7.0		37.9	28.9	70	310	9.2
12/18/1970	1200	10.0		37.0	28.0	70	300	10.4
12/18/1970	0900	10.0		37.9	30.0	73	300	13.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/18/1970	0600	10.0		39.9	32.0	73	290	16.1
12/18/1970	0300	10.0		39.0	32.0	76	290	11.5
12/18/1970	0000	8.0		39.9	35.1	83	300	13.8
12/17/1970	2100	10.0		37.9	35.1	89	280	6.9
12/17/1970	1800	10.0		37.0	34.0	89	260	13.8
12/17/1970	1500	10.0		37.0	34.0	89	270	6.9
12/17/1970	1200	1.0		35.1	34.0	96	270	5.8
12/17/1970	0900	1.0		35.1	34.0	96	280	5.8						-SN FG
12/17/1970	0600	3.0		37.0	34.0	89	90	13.8
12/17/1970	0300	0.8		35.1	33.1	92	90	13.8						-SN FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/17/1970	0000	0.5		34.0	32.0	92	90	13.8						SN FG
12/16/1970	2100	0.5		33.1	30.0	88	120	13.8						-SN FG
12/16/1970	1800	5.5		33.1	27.0	78	90	13.8						-SN DZ
12/16/1970	1500	5.0		32.0	26.1	78	100	16.1						DZ
12/16/1970	1200	10.0		33.1	24.1	69	100	11.5
12/16/1970	0900	10.0		30.9	25.0	78	60	10.4
12/16/1970	0600	10.0		32.0	25.0	75	100	11.5
12/16/1970	0300	10.0		33.1	26.1	75	90	11.5
12/16/1970	0000	10.0		35.1	28.0	75	90	4.6
12/15/1970	2100	15.0		37.0	27.0	67	210	5.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/15/1970	1800	15.0		37.0	27.0	67	270	9.2
12/15/1970	1500	10.0		33.1	27.0	78	240	13.8
12/15/1970	1200	15.0		32.0	24.1	72	270	11.5
12/15/1970	0900	8.0		32.0	24.1	72	270	10.4
12/15/1970	0600	7.0		32.0	28.9	88	260	8.1
12/15/1970	0300	10.0		34.0	27.0	75	80	11.5
12/15/1970	0000	15.0		34.0	26.1	72	0	0.0
12/14/1970	2100	15.0		37.0	27.0	67	250	11.5
12/14/1970	1800	15.0		39.9	28.0	62	270	16.1
12/14/1970	1500	10.5		35.1	30.9	85	280	12.7						-SHSN
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/14/1970	1200	10.0		35.1	27.0	72	270	13.8						-SHSN
12/14/1970	0900	10.0		36.0	28.9	75	270	11.5
12/14/1970	0600	7.0		37.0	30.0	76	270	11.5						-SHSN
12/14/1970	0300	15.0		37.9	33.1	82	270	11.5
12/14/1970	0000	15.0		37.9	33.1	82	260	6.9
12/13/1970	2100	15.0		39.9	35.1	83	260	19.6
12/13/1970	1800	7.0		37.9	36.0	93	160	4.6
12/13/1970	1500	2.0		35.1	34.0	96	80	9.2						-DZ FG
12/13/1970	1200	2.0		35.1	34.0	96	70	5.8						-DZ FG
12/13/1970	0900	5.0		35.1	34.0	96	160	9.2						-DZ FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/13/1970	0600	5.0		35.1	33.1	92	120	4.6						-DZ FG
12/13/1970	0300	4.0		35.1	34.0	96	70	11.5						-RA FG
12/13/1970	0000	3.0		35.1	34.0	96	40	6.9
12/12/1970	2100	3.0		35.1	33.1	92	60	11.5
12/12/1970	1800	6.0		35.1	32.0	89	80	10.4						-RA FG
12/12/1970	1500	5.0		37.0	34.0	89	80	8.1						-RA FG
12/12/1970	1200	3.0		37.0	35.1	93	60	11.5						-RA FG
12/12/1970	0900	2.0		36.0	35.1	97	120	4.6						FG
12/12/1970	0600	2.0		36.0	34.0	92	60	9.2						FG
12/12/1970	0300	2.0		36.0	34.0	92	70	13.8						-RA FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/12/1970	0000	2.0		35.1	33.1	92	70	6.9						-RA FG
12/11/1970	2100	3.0		35.1	32.0	89	80	11.5						FG
12/11/1970	1800	2.0		34.0	32.0	92	60	12.7						-RA FG
12/11/1970	1500	2.0		34.0	30.9	88	70	11.5						-RA FG
12/11/1970	1200	10.0		34.0	30.0	85	140	5.8
12/11/1970	0900	10.0		33.1	30.0	88	0	0.0
12/11/1970	0600	10.0		33.1	30.0	88	0	0.0
12/11/1970	0300	15.0		33.1	28.9	85	0	0.0
12/11/1970	0000	15.0		35.1	28.0	75	0	0.0
12/10/1970	2100	15.0		43.0	28.9	57	340	6.9
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/10/1970	1800	15.0		44.1	28.0	53	320	13.8
12/10/1970	1500	15.0		46.0	28.0	49	300	16.1
12/10/1970	1200	15.0		46.0	30.9	55	320	13.8
12/10/1970	0900	7.0		46.9	33.1	58	290	15.0
12/10/1970	0600	7.0		32.0	28.0	85	120	3.5
12/10/1970	0300	7.0		35.1	28.9	78	0	0.0
12/10/1970	0000	7.0		37.0	27.0	67	120	5.8
12/09/1970	2100	7.0		37.0	25.0	61	120	6.9
12/09/1970	1800	8.0		37.0	23.0	56	80	9.2
12/09/1970	1500	9.0		36.0	21.9	56	160	3.5
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/09/1970	1200	10.0		35.1	19.9	54	110	12.7
12/09/1970	0900	10.0		35.1	19.0	52	140	5.8
12/09/1970	0600	10.0		35.1	19.9	54	160	11.5
12/09/1970	0300	15.0		35.1	19.9	54	120	8.1
12/09/1970	0000	15.0		34.0	19.0	54	150	12.7
12/08/1970	2100	15.0		36.0	19.0	50	110	12.7
12/08/1970	1800	7.0		32.0	21.0	64	100	8.1
12/08/1970	1500	8.0		23.0	18.0	81	70	6.9
12/08/1970	1200	10.0		17.1	12.0	80	70	5.8
12/08/1970	0900	10.0		15.1	10.0	80	360	5.8							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/08/1970	0600	15.0		15.1	10.0	80	0	0.0							CLR
12/08/1970	0300	15.0		18.0	10.9	74	340	6.9							CLR
12/08/1970	0000	15.0		23.0	10.9	59	340	4.6							CLR
12/07/1970	2100	15.0		30.9	10.0	41	340	9.2							CLR
12/07/1970	1800	15.0		30.9	9.0	39	310	15.0							CLR
12/07/1970	1500	15.0		26.1	10.9	52	310	15.0							CLR
12/07/1970	1200	15.0		23.0	10.9	59	300	12.7
12/07/1970	0900	10.0		25.0	12.0	57	300	11.5
12/07/1970	0600	8.0		26.1	18.0	71	300	11.5						-SHSN
12/07/1970	0300	10.0		28.0	12.9	53	290	13.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/07/1970	0000	15.0		28.0	12.0	50	300	18.4
12/06/1970	2100	15.0		30.0	12.9	48	300	21.9
12/06/1970	1800	5.0		28.0	21.9	78	300	27.6						-SHSN
12/06/1970	1500	15.0		28.9	18.0	63	260	20.7
12/06/1970	1200	15.0		25.0	12.0	57	270	15.0
12/06/1970	0900	15.0		28.0	15.1	58	270	16.1
12/06/1970	0600	7.0		33.1	28.9	85	280	11.5						-SHSN
12/06/1970	0300	7.0		35.1	28.0	75	130	4.6
12/06/1970	0000	10.0		36.0	26.1	67	160	9.2
12/05/1970	2100	10.0		35.1	25.0	66	170	4.6
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/05/1970	1800	15.0		35.1	23.0	61	80	10.4
12/05/1970	1500	15.0		28.9	19.9	69	120	6.9
12/05/1970	1200	15.0		24.1	17.1	74	0	0.0							CLR
12/05/1970	0900	15.0		27.0	17.1	66	290	9.2
12/05/1970	0600	15.0		28.9	17.1	61	310	11.5
12/05/1970	0300	15.0		30.0	16.0	55	300	18.4
12/05/1970	0000	15.0		30.9	19.0	61	320	18.4
12/04/1970	2100	15.0		35.1	23.0	61	350	20.7
12/04/1970	1800	10.0		45.0	33.1	63	290	23.0						-SHRA
12/04/1970	1500	15.0		48.0	36.0	63	270	19.6						-SHRA
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/04/1970	1200	15.0		48.9	43.0	80	0	0.0
12/04/1970	0900	5.5		48.0	46.9	96	60	5.8						FG
12/04/1970	0600	5.0		48.0	46.0	93	60	16.1						FG
12/04/1970	0300	4.0		50.0	46.0	86	80	12.7						-RA FG
12/04/1970	0000	4.0		46.9	44.1	90	130	9.2						-RA FG
12/03/1970	2100	7.0		52.0	37.0	57	0	0.0						-RA
12/03/1970	1800	10.0		46.9	34.0	61	190	4.6
12/03/1970	1500	10.0		36.0	30.9	82	300	5.8
12/03/1970	1200	15.0		33.1	28.9	85	0	0.0
12/03/1970	0900	15.0		30.9	28.9	92	0	0.0							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/03/1970	0600	15.0		33.1	30.0	88	330	4.6							CLR
12/03/1970	0300	15.0		37.0	32.0	82	0	0.0							CLR
12/03/1970	0000	15.0		48.9	34.0	56	0	0.0							CLR
12/02/1970	2100	15.0		60.1	36.0	40	250	10.4							CLR
12/02/1970	1800	15.0		60.1	41.0	49	260	17.3							CLR
12/02/1970	1500	5.0		48.0	39.0	71	250	6.9						DZ
12/02/1970	1200	7.0		41.0	37.0	86	0	0.0
12/02/1970	0900	7.0		43.0	37.9	82	100	9.2
12/02/1970	0600	10.0		46.0	37.0	71	0	0.0
12/02/1970	0300	10.0		44.1	35.1	70	50	13.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
12/02/1970	0000	10.0		43.0	32.0	65	90	13.8
12/01/1970	2100	15.0		46.9	34.0	61	40	11.5
12/01/1970	1800	15.0		44.1	33.1	65	80	9.2
12/01/1970	1500	9.0		35.1	32.0	89	100	6.9
12/01/1970	1200	7.0		28.0	27.0	96	0	0.0
12/01/1970	0900	8.0		32.0	30.0	92	0	0.0
12/01/1970	0600	10.0		32.0	30.0	92	350	4.6							CLR
12/01/1970	0300	15.0		32.0	30.0	92	0	0.0							CLR
12/01/1970	0000	15.0		39.9	30.9	70	350	5.8							CLR

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