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
03/31/1971	2100	25.0		48.9	17.1	28	290	12.7							CLR
03/31/1971	1800	25.0		46.0	16.0	30	330	12.7							CLR
03/31/1971	1500	25.0		37.0	19.0	48	330	10.4							CLR
03/31/1971	1200	20.0		30.0	18.0	60	290	11.5							CLR
03/31/1971	0900	7.0		30.0	18.0	60	290	11.5
03/31/1971	0600	7.0		32.0	18.0	56	290	11.5
03/31/1971	0300	7.0		34.0	19.9	56	290	10.4
03/31/1971	0000	15.0		37.0	24.1	59	330	9.2
03/30/1971	2100	20.0		43.0	21.9	43	310	16.1
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/30/1971	1800	25.0		44.1	21.9	41	280	13.8
03/30/1971	1500	25.0		39.0	24.1	55	260	17.3
03/30/1971	1200	20.0		35.1	25.0	66	290	10.4
03/30/1971	0900	7.0		34.0	32.0	92	270	6.9
03/30/1971	0600	7.0		39.0	28.9	67	260	11.5
03/30/1971	0300	7.0		43.0	28.0	55	300	12.7
03/30/1971	0000	20.0		44.1	27.0	51	300	8.1
03/29/1971	2100	20.0		46.9	26.1	44	280	18.4
03/29/1971	1800	15.0		48.9	28.9	46	320	13.8
03/29/1971	1500	15.0		46.9	32.0	56	270	11.5
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/29/1971	1200	7.0		35.1	30.9	85	10	4.6
03/29/1971	0900	7.0		36.0	30.0	79	0	0.0							CLR
03/29/1971	0600	7.0		42.1	30.9	64	270	9.2
03/29/1971	0300	7.0		44.1	28.9	55	0	0.0
03/29/1971	0000	20.0		46.0	26.1	45	110	5.8
03/28/1971	2100	20.0		52.0	19.9	28	90	4.6
03/28/1971	1800	20.0		46.9	19.0	33	120	11.5
03/28/1971	1500	25.0		39.0	18.0	42	50	9.2
03/28/1971	1200	25.0		30.0	23.0	75	270	3.5
03/28/1971	0900	7.0		27.0	21.0	78	0	0.0							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/28/1971	0600	7.0		28.9	21.9	75	0	0.0							CLR
03/28/1971	0300	7.0		33.1	19.9	58	0	0.0
03/28/1971	0000	25.0		43.0	12.0	28	340	4.6
03/27/1971	2100	25.0		48.9	10.9	21	350	12.7							CLR
03/27/1971	1800	25.0		46.9	14.0	26	10	12.7							CLR
03/27/1971	1500	25.0		35.1	15.1	43	230	9.2							CLR
03/27/1971	1200	25.0		25.0	18.0	74	290	9.2							CLR
03/27/1971	0900	7.0		24.1	18.0	77	300	5.8							CLR
03/27/1971	0600	7.0		26.1	18.0	71	0	0.0							CLR
03/27/1971	0300	7.0		30.0	18.0	60	0	0.0							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/27/1971	0000	25.0		36.0	10.0	34	70	5.8							CLR
03/26/1971	2100	25.0		42.1	12.9	30	340	9.2
03/26/1971	1800	25.0		36.0	15.1	42	20	4.6
03/26/1971	1500	25.0		30.0	15.1	53	0	0.0
03/26/1971	1200	25.0		24.1	15.1	68	350	5.8
03/26/1971	0900	7.0		24.1	17.1	74	0	0.0
03/26/1971	0600	7.0		27.0	18.0	68	0	0.0
03/26/1971	0300	7.0		28.9	19.0	66	0	0.0
03/26/1971	0000	25.0		35.1	12.0	38	30	4.6
03/25/1971	2100	25.0		39.0	12.9	34	280	13.8							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/25/1971	1800	25.0		35.1	10.0	35	320	17.3							CLR
03/25/1971	1500	25.0		32.0	10.9	41	280	19.6							CLR
03/25/1971	1200	25.0		23.0	10.9	59	260	11.5							CLR
03/25/1971	0900	7.0		23.0	10.9	59	280	12.7							CLR
03/25/1971	0600	7.0		25.0	10.9	55	300	13.8							CLR
03/25/1971	0300	7.0		28.0	8.1	42	290	16.1							CLR
03/25/1971	0000	25.0		30.9	8.1	38	300	17.3
03/24/1971	2100	25.0		33.1	10.9	39	320	15.0
03/24/1971	1800	25.0		33.1	12.0	41	290	17.3
03/24/1971	1500	25.0		30.0	12.0	47	290	17.3
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/24/1971	1200	25.0		26.1	12.0	55	280	18.4							CLR
03/24/1971	0900	7.0		25.0	12.9	60	270	13.8
03/24/1971	0600	7.0		28.9	21.0	72	280	9.2
03/24/1971	0300	7.0		30.9	26.1	82	270	13.8
03/24/1971	0000	25.0		35.1	25.0	66	260	13.8
03/23/1971	2100	25.0		39.0	14.0	35	310	13.8
03/23/1971	1800	25.0		39.9	15.1	36	310	16.1
03/23/1971	1500	25.0		34.0	19.0	54	320	11.5
03/23/1971	1200	20.0		30.0	21.0	69	270	8.1
03/23/1971	0900	7.0		30.0	19.9	66	300	9.2
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/23/1971	0600	7.0		33.1	19.9	58	250	6.9
03/23/1971	0300	7.0		36.0	32.0	85	0	0.0
03/23/1971	0000	7.0		39.9	30.0	67	60	9.2
03/22/1971	2100	20.0		44.1	28.0	53	250	11.5
03/22/1971	1800	20.0		43.0	33.1	68	260	6.9
03/22/1971	1500	15.0		37.9	33.1	82	260	6.9
03/22/1971	1200	10.0		32.0	30.0	92	220	4.6
03/22/1971	0900	7.0		30.9	28.9	92	0	0.0						-SHSN
03/22/1971	0600	2.0		30.9	27.0	85	30	5.8						-SHSN
03/22/1971	0300	7.0		33.1	21.9	63	350	4.6							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/22/1971	0000	25.0		37.9	17.1	42	270	8.1							CLR
03/21/1971	2100	25.0		45.0	19.9	37	260	15.0
03/21/1971	1800	25.0		43.0	23.0	45	280	16.1
03/21/1971	1500	15.0		37.9	26.1	62	290	20.7
03/21/1971	1200	8.0		35.1	25.0	66	290	15.0
03/21/1971	0900	7.0		35.1	26.1	69	270	17.3
03/21/1971	0600	7.0		35.1	26.1	69	270	13.8
03/21/1971	0300	7.0		35.1	25.0	66	290	16.1
03/21/1971	0000	7.0		36.0	27.0	70	280	17.3
03/20/1971	2100	10.0		36.0	30.9	82	260	15.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/20/1971	1800	2.0		35.1	30.0	82	270	18.4						-SN
03/20/1971	1500	9.0		35.1	28.0	75	260	16.1
03/20/1971	1200	7.0		35.1	30.0	82	230	13.8
03/20/1971	0900	7.0		37.9	34.0	86	250	5.8						-SN
03/20/1971	0600	10.5		35.1	35.1	100	0	0.0						-SN FG
03/20/1971	0300	5.5		35.1	35.1	100	0	0.0						FG
03/20/1971	0000	4.0		35.1	35.1	100	0	0.0						FG
03/19/1971	2100	2.8		36.0	35.1	97	80	13.8
03/19/1971	1800	0.5		36.0	35.1	97	90	13.8						-SN FG
03/19/1971	1500	0.8		35.1	34.0	96	90	20.7						-SN FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/19/1971	1200	10.0		36.0	19.9	52	110	16.1
03/19/1971	0900	7.0		35.1	21.0	56	80	11.5
03/19/1971	0600	7.0		35.1	21.0	56	90	11.5
03/19/1971	0300	7.0		34.0	21.0	59	40	4.6
03/19/1971	0000	25.0		41.0	16.0	36	240	5.8
03/18/1971	2100	25.0		45.0	16.0	31	260	12.7
03/18/1971	1800	25.0		41.0	17.1	38	280	9.2
03/18/1971	1500	25.0		33.1	17.1	51	270	11.5
03/18/1971	1200	25.0		30.0	18.0	60	290	6.9							CLR
03/18/1971	0900	10.0		30.0	19.9	66	300	9.2
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/18/1971	0600	10.0		32.0	18.0	56	320	9.2
03/18/1971	0300	20.0		30.0	18.0	60	340	10.4							CLR
03/18/1971	0000	20.0		34.0	18.0	51	320	12.7
03/17/1971	2100	20.0		37.0	19.0	48	330	17.3
03/17/1971	1800	25.0		37.9	21.0	50	310	15.0
03/17/1971	1500	15.0		33.1	24.1	69	290	15.0
03/17/1971	1200	7.0		32.0	25.0	75	300	13.8						-SN
03/17/1971	0900	10.0		34.0	26.1	72	280	8.1
03/17/1971	0600	15.0		35.1	26.1	69	270	15.0
03/17/1971	0300	15.0		37.0	30.0	76	270	11.5
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/17/1971	0000	25.0		39.0	33.1	79	270	10.4
03/16/1971	2100	25.0		44.1	33.1	65	270	13.8
03/16/1971	1800	25.0		48.9	37.9	66	250	16.1
03/16/1971	1500	15.0		48.9	39.0	69	260	11.5
03/16/1971	1200	15.0		37.9	35.1	89	0	0.0
03/16/1971	0900	10.0		37.9	35.1	89	340	4.6
03/16/1971	0600	15.0		39.0	34.0	82	340	4.6
03/16/1971	0300	15.0		48.0	34.0	58	250	5.8							CLR
03/16/1971	0000	15.0		53.1	50.0	89	340	6.9
03/15/1971	2100	8.0		54.0	54.0	100	90	8.1
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/15/1971	1800	5.5		52.0	52.0	100	140	16.1						-SHRA FG
03/15/1971	1500	5.5		48.0	48.0	100	140	15.0						FG
03/15/1971	1200	5.5		45.0	45.0	100	40	10.4						-DZ FG
03/15/1971	0900	3.0		45.0	43.0	93	60	11.5						FG
03/15/1971	0600	3.0		45.0	43.0	93	60	11.5						FG
03/15/1971	0300	3.0		46.9	44.1	90	180	17.3						DZ
03/15/1971	0000	3.0		50.0	43.0	77	140	13.8						DZ
03/14/1971	2100	4.0		53.1	41.0	64	60	4.6						DZ	CLR
03/14/1971	1800	5.0		48.9	39.9	71	180	3.5						DZ
03/14/1971	1500	10.5		41.0	39.9	96	160	4.6						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/14/1971	1200	0.5		37.9	37.9	100	280	3.5						FG
03/14/1971	0900	5.5		39.0	39.0	100	0	0.0						FG
03/14/1971	0600	5.5		39.9	39.9	100	310	4.6						FG
03/14/1971	0300	2.0		39.9	39.9	100	240	4.6						FG
03/14/1971	0000	2.0		41.0	41.0	100	100	4.6						FG
03/13/1971	2100	10.5		45.0	43.0	93	180	4.6						FG
03/13/1971	1800	10.5		44.1	41.0	89	180	5.8						FG
03/13/1971	1500	10.5		41.0	39.0	93	60	10.4						FG
03/13/1971	1200	10.5		36.0	36.0	100	60	3.5						FG
03/13/1971	0900	10.5		36.0	36.0	100	120	4.6						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/13/1971	0600	10.5		36.0	36.0	100	0	0.0						FG
03/13/1971	0300	2.0		36.0	36.0	100	90	5.8						-RA FG
03/13/1971	0000	3.0		39.0	37.0	93	170	3.5						-RA FG
03/12/1971	2100	9.0		44.1	28.9	55	110	4.6
03/12/1971	1800	7.0		42.1	27.0	55	0	0.0
03/12/1971	1500	8.0		37.9	24.1	57	200	5.8
03/12/1971	1200	7.0		33.1	23.0	66	0	0.0
03/12/1971	0900	10.0		33.1	24.1	69	310	5.8
03/12/1971	0600	10.0		33.1	25.0	72	280	8.1
03/12/1971	0300	10.0		35.1	25.0	66	280	8.1
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/12/1971	0000	10.0		37.9	25.0	59	280	11.5
03/11/1971	2100	15.0		42.1	25.0	50	260	16.1
03/11/1971	1800	15.0		45.0	32.0	60	260	18.4
03/11/1971	1500	7.0		41.0	37.9	89	280	11.5
03/11/1971	1200	4.0		36.0	35.1	97	0	0.0						-RA FG
03/11/1971	0900	2.0		35.1	35.1	100	50	8.1						-SN FG
03/11/1971	0600	3.0		35.1	33.1	92	40	9.2						-SN FG
03/11/1971	0300	6.0		34.0	33.1	97	140	4.6						FG
03/11/1971	0000	2.8		37.9	28.9	70	110	16.1						-SN
03/10/1971	2100	15.0		41.0	19.9	43	80	8.1
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/10/1971	1800	15.0		39.0	21.0	48	110	9.2
03/10/1971	1500	20.0		30.0	19.0	63	50	8.1
03/10/1971	1200	20.0		19.9	16.0	84	340	4.6							CLR
03/10/1971	0900	15.0		21.9	17.1	81	0	0.0							CLR
03/10/1971	0600	15.0		28.0	15.1	58	290	11.5							CLR
03/10/1971	0300	15.0		30.0	19.0	63	260	9.2							CLR
03/10/1971	0000	25.0		32.0	19.0	58	260	10.4							CLR
03/09/1971	2100	25.0		36.0	21.0	54	260	15.0
03/09/1971	1800	25.0		34.0	19.0	54	270	17.3
03/09/1971	1500	25.0		30.0	16.0	55	290	20.7
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/09/1971	1200	25.0		27.0	14.0	58	280	16.1
03/09/1971	0900	15.0		24.1	15.1	68	270	13.8
03/09/1971	0600	15.0		25.0	14.0	63	270	13.8
03/09/1971	0300	10.0		26.1	12.9	57	290	17.3
03/09/1971	0000	25.0		27.0	15.1	60	280	16.1
03/08/1971	2100	15.0		30.0	12.9	48	270	19.6
03/08/1971	1800	7.0		28.9	14.0	53	250	15.0						-SHSN
03/08/1971	1500	25.0		28.0	12.9	53	280	13.8
03/08/1971	1200	15.0		27.0	19.0	72	250	12.7
03/08/1971	0900	10.0		30.0	19.9	66	250	17.3
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/08/1971	0600	10.0		30.0	21.9	71	240	15.0
03/08/1971	0300	10.0		32.0	21.9	66	240	20.7
03/08/1971	0000	10.0		34.0	25.0	69	250	15.0
03/07/1971	2100	10.0		37.0	27.0	67	260	18.4
03/07/1971	1800	15.0		39.9	28.9	65	250	21.9
03/07/1971	1500	15.0		37.9	33.1	82	260	13.8
03/07/1971	1200	3.0		39.0	39.0	100	330	3.5						-RA FG
03/07/1971	0900	5.0		42.1	39.9	92	120	11.5						FG
03/07/1971	0600	5.0		46.0	28.0	49	120	11.5						-RA
03/07/1971	0300	10.0		45.0	26.1	47	80	12.7
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/07/1971	0000	10.0		45.0	25.0	45	100	13.8
03/06/1971	2100	10.0		46.0	21.9	38	120	6.9
03/06/1971	1800	10.0		43.0	25.0	49	60	9.2
03/06/1971	1500	9.0		35.1	27.0	72	110	4.6
03/06/1971	1200	9.0		28.0	25.0	88	0	0.0
03/06/1971	0900	10.0		28.0	26.1	92	0	0.0
03/06/1971	0600	15.0		28.9	26.1	89	0	0.0
03/06/1971	0300	15.0		30.9	27.0	85	0	0.0							CLR
03/06/1971	0000	15.0		37.9	28.0	67	310	4.6							CLR
03/05/1971	2100	20.0		43.0	26.1	51	250	13.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/05/1971	1800	15.0		41.0	21.9	46	260	16.1
03/05/1971	1500	15.0		33.1	21.0	61	280	19.6
03/05/1971	1200	15.0		30.9	19.0	61	280	18.4
03/05/1971	0900	15.0		28.9	15.1	56	280	16.1							CLR
03/05/1971	0600	15.0		28.9	14.0	53	280	16.1							CLR
03/05/1971	0300	15.0		28.0	10.9	48	290	29.9
03/05/1971	0000	15.0		25.0	16.0	68	290	28.8
03/04/1971	2100	10.0		27.0	15.1	60	290	28.8
03/04/1971	1800	6.0		27.0	18.0	68	290	23.0				0.03		-BLSN
03/04/1971	1500	3.0		26.1	19.9	77	280	18.4						-SN -BLSN
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/04/1971	1200	1.0		28.0	23.0	81	290	15.0						-SN -BLSN
03/04/1971	0900	0.5		28.0	28.0	100	270	9.2				0.05		-SN FG
03/04/1971	0600	0.5		28.0	28.0	100	270	10.4				0.05		-SN FG
03/04/1971	0300	1.0		28.0	28.0	100	0	0.0				0.02		-SN FG
03/04/1971	0000	1.0		28.9	28.0	96	0	0.0				0.05		-SN FG
03/03/1971	2100	1.0		30.0	28.9	96	0	0.0				0.05		-SN FG
03/03/1971	1800	0.5		30.0	28.0	92	240	4.6				0.05		-SN FG
03/03/1971	1500	0.8		28.9	28.0	96	310	5.8				0.05		-SN FG
03/03/1971	1200	3.0		30.0	28.0	92	50	5.8						-SN FG
03/03/1971	0900	4.0		33.1	30.9	92	220	5.8						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/03/1971	0600	4.0		33.1	33.1	100	0	0.0						FG
03/03/1971	0300	3.0		33.1	32.0	96	0	0.0						FG
03/03/1971	0000	2.0		33.1	32.0	96	0	0.0						SG FG
03/02/1971	2100	3.0		33.1	30.9	92	0	0.0						-SN FG
03/02/1971	1800	9.0		33.1	28.9	85	120	5.8
03/02/1971	1500	9.0		33.1	27.0	78	50	4.6
03/02/1971	1200	10.0		28.0	25.0	88	0	0.0
03/02/1971	0900	10.0		28.0	25.0	88	270	4.6							CLR
03/02/1971	0600	15.0		30.0	25.0	81	340	5.8							CLR
03/02/1971	0300	20.0		34.0	26.1	72	0	0.0							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
03/02/1971	0000	25.0		43.0	23.0	45	270	4.6
03/01/1971	2100	25.0		51.1	19.9	29	260	10.4
03/01/1971	1800	25.0		46.9	21.0	35	260	10.4
03/01/1971	1500	10.0		37.9	30.0	73	260	8.1
03/01/1971	1200	15.0		30.9	27.0	85	0	0.0
03/01/1971	0900	15.0		30.0	26.1	85	0	0.0
03/01/1971	0600	25.0		33.1	26.1	75	10	3.5							CLR
03/01/1971	0300	25.0		39.9	24.1	53	270	11.5							CLR
03/01/1971	0000	25.0		44.1	19.0	36	270	10.4							CLR

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