Tracking Storms with Impacts in the Eastern and Northwest U.S. into Friday

A storm will track north of the Great Lakes Friday with widespread rain showers across the Eastern U.S. along and ahead of its cold front. Further south along the front isolated severe thunderstorms are possible. A Pacific storm will continue moving across the Northwest U.S. into Friday with additional low elevation rain, gusty winds, and mountain snow. Read More >

National Weather Service Philadelphia/Mount Holly Climate Dashboard

Climate data on this page are preliminary (unofficial). Certified (official) climate data are available from the National Center for Environmental Information (NCEI).

Climate Graphs	Climate Normals	Climate Records	Top 10 (Day)	Top 10 (Month)	Top 10 (Year)	Top 10 (Holidays)	First/Last Dates

KPHL
KABE
KACY
KILG
KTTN
KRDG
KMPO
KGED
K55N

KPHL - Top 10 Days

>>>>>>>>>>>

Top 10 days with the warmest daily high temperature
Ranking	Year	High Temperature (F)
1	1970-05-10	92
2	1991-05-12	90
3	1956-05-13	89
4	1987-05-10	87
5	1953-05-10	86
6	2015-05-10	84
7	1918-05-12	83
8	2025-05-11	82
8	2012-05-13	82
8	2003-05-11	82

>>>>>>>>>>>

Top 10 days with the warmest daily low temperature
Ranking	Year	Low Temperature (F)
1	2015-05-10	67
2	1979-05-13	66
3	1985-05-12	65
3	1956-05-13	65
5	1933-05-14	63
6	1912-05-12	62
7	2003-05-11	61
7	1972-05-14	61
7	1944-05-14	61
7	1931-05-10	61

>>>>>>>>>>>

Top 10 days with the coldest daily high temperature
Ranking	Year	High Temperature (F)
1	1924-05-11	48
2	2019-05-12	54
3	1919-05-11	55
4	2024-05-12	56
4	1932-05-08	56
4	1913-05-11	56
7	2021-05-09	57
7	2018-05-13	57
7	1971-05-09	57
10	1967-05-14	58

>>>>>>>>>>>

Top 10 days with the coldest daily low temperature
Ranking	Year	Low Temperature (F)
1	2020-05-10	39
1	1947-05-11	39
1	1913-05-11	39
4	1948-05-09	40
5	1963-05-12	42
5	1939-05-14	42
7	1940-05-12	43
8	2022-05-08	44
8	1988-05-08	44
8	1976-05-09	44

>>>>>>>>>>>

Top 10 days with the most precipitation
Ranking	Year	Precipitation (in.)
1	1972-05-14	1.40
2	1946-05-12	1.31
3	2019-05-12	1.02
4	1952-05-11	0.98
5	1978-05-14	0.73
6	1990-05-13	0.64
7	2002-05-12	0.61
8	1956-05-13	0.51
9	2018-05-13	0.49
9	1968-05-12	0.49

>>>>>>>>>>>

Top 10 days with the most snowfall
Ranking	Year	Snowfall (in.)
1	2025-05-11	0.0
1	2024-05-12	0.0
1	2023-05-14	0.0
1	2022-05-08	0.0
1	2021-05-09	0.0
1	2020-05-10	0.0
1	2019-05-12	0.0
1	2018-05-13	0.0
1	2017-05-14	0.0
1	2016-05-08	0.0

KABE - Top 10 Days

>>>>>>>>>>>

Top 10 days with the warmest daily high temperature
Ranking	Year	High Temperature (F)
1	1991-05-12	87
1	1987-05-10	87
1	1956-05-13	87
4	2015-05-10	86
4	1970-05-10	86
6	1993-05-09	85
6	1985-05-12	85
6	1953-05-10	85
9	1929-05-12	84
10	1944-05-14	83

>>>>>>>>>>>

Top 10 days with the warmest daily low temperature
Ranking	Year	Low Temperature (F)
1	1985-05-12	67
2	1956-05-13	63
3	1979-05-13	61
4	2015-05-10	59
4	1933-05-14	59
6	1972-05-14	58
6	1961-05-14	58
6	1936-05-10	58
9	2003-05-11	57
10	1970-05-10	56

>>>>>>>>>>>

Top 10 days with the coldest daily high temperature
Ranking	Year	High Temperature (F)
1	1924-05-11	50
2	2024-05-12	52
2	2010-05-09	52
4	1971-05-09	54
5	2021-05-09	55
5	2018-05-13	55
5	1996-05-12	55
8	2019-05-12	57
9	1969-05-11	59
10	1994-05-08	60

>>>>>>>>>>>

Top 10 days with the coldest daily low temperature
Ranking	Year	Low Temperature (F)
1	1947-05-11	32
2	1948-05-09	33
3	1976-05-09	34
3	1963-05-12	34
5	1934-05-13	35
6	2020-05-10	36
7	1940-05-12	37
7	1928-05-13	37
9	2021-05-09	38
9	2008-05-11	38

>>>>>>>>>>>

Top 10 days with the most precipitation
Ranking	Year	Precipitation (in.)
1	1978-05-14	1.95
2	2019-05-12	1.46
3	1974-05-12	1.43
4	1919-05-11	1.18
5	1946-05-12	0.73
6	1998-05-10	0.60
7	2018-05-13	0.48
8	2002-05-12	0.46
9	1983-05-08	0.45
10	1952-05-11	0.44

>>>>>>>>>>>

Top 10 days with the most snowfall
Ranking	Year	Snowfall (in.)
1	2025-05-11	0.0
1	2024-05-12	0.0
1	2023-05-14	0.0
1	2022-05-08	0.0
1	2021-05-09	0.0
1	2020-05-10	0.0
1	2019-05-12	0.0
1	2018-05-13	0.0
1	2017-05-14	0.0
1	2016-05-08	0.0

KACY - Top 10 Days

>>>>>>>>>>>

Top 10 days with the warmest daily high temperature
Ranking	Year	High Temperature (F)
1	1970-05-10	89
2	1991-05-12	87
2	1956-05-13	87
4	1993-05-09	86
5	2025-05-11	85
5	1987-05-10	85
7	2015-05-10	83
8	2004-05-09	81
8	1965-05-09	81
8	1944-05-14	81

>>>>>>>>>>>

Top 10 days with the warmest daily low temperature
Ranking	Year	Low Temperature (F)
1	1956-05-13	65
2	1985-05-12	64
2	1970-05-10	64
4	1944-05-14	63
5	2015-05-10	62
6	1979-05-13	61
6	1964-05-10	61
8	2014-05-11	57
8	2012-05-13	57
8	1982-05-09	57

>>>>>>>>>>>

Top 10 days with the coldest daily high temperature
Ranking	Year	High Temperature (F)
1	2022-05-08	54
1	2019-05-12	54
3	2024-05-12	56
4	1963-05-12	57
5	2018-05-13	58
5	1998-05-10	58
5	1971-05-09	58
8	2021-05-09	59
8	2008-05-11	59
8	1995-05-14	59

>>>>>>>>>>>

Top 10 days with the coldest daily low temperature
Ranking	Year	Low Temperature (F)
1	1986-05-11	33
2	1976-05-09	34
3	1988-05-08	36
4	2005-05-08	37
4	1969-05-11	37
6	2020-05-10	38
7	1948-05-09	40
8	2021-05-09	41
9	2024-05-12	42
9	1963-05-12	42

>>>>>>>>>>>

Top 10 days with the most precipitation
Ranking	Year	Precipitation (in.)
1	1952-05-11	1.39
2	1968-05-12	0.95
3	2019-05-12	0.84
4	1972-05-14	0.75
5	1979-05-13	0.71
6	1958-05-11	0.69
7	2018-05-13	0.65
8	1978-05-14	0.64
9	2002-05-12	0.55
9	1992-05-10	0.55

>>>>>>>>>>>

Top 10 days with the most snowfall
Ranking	Year	Snowfall (in.)
1	2025-05-11	0.0
1	2024-05-12	0.0
1	2023-05-14	0.0
1	2022-05-08	0.0
1	2021-05-09	0.0
1	2020-05-10	0.0
1	2019-05-12	0.0
1	2018-05-13	0.0
1	2017-05-14	0.0
1	2016-05-08	0.0

KILG - Top 10 Days

>>>>>>>>>>>

Top 10 days with the warmest daily high temperature
Ranking	Year	High Temperature (F)
1	1970-05-10	91
2	1956-05-13	88
2	1936-05-10	88
4	1991-05-12	87
5	1987-05-10	86
6	1953-05-10	85
6	1943-05-09	85
8	2025-05-11	83
8	1944-05-14	83
10	1985-05-12	82

>>>>>>>>>>>

Top 10 days with the warmest daily low temperature
Ranking	Year	Low Temperature (F)
1	1933-05-14	66
2	1985-05-12	65
2	1956-05-13	65
4	1979-05-13	64
5	2015-05-10	63
6	1970-05-10	61
7	2003-05-11	60
7	1952-05-11	60
9	1972-05-14	59
9	1964-05-10	59

>>>>>>>>>>>

Top 10 days with the coldest daily high temperature
Ranking	Year	High Temperature (F)
1	2019-05-12	55
1	1919-05-11	55
3	1967-05-14	56
3	1924-05-11	56
5	2021-05-09	57
6	2024-05-12	58
6	2022-05-08	58
6	2010-05-09	58
6	1996-05-12	58
6	1995-05-14	58

>>>>>>>>>>>

Top 10 days with the coldest daily low temperature
Ranking	Year	Low Temperature (F)
1	2020-05-10	35
1	1928-05-13	35
3	1939-05-14	36
4	1963-05-12	38
4	1940-05-12	38
4	1934-05-13	38
7	1976-05-09	39
7	1948-05-09	39
7	1947-05-11	39
7	1917-05-13	39

>>>>>>>>>>>

Top 10 days with the most precipitation
Ranking	Year	Precipitation (in.)
1	1978-05-14	1.87
2	1972-05-14	1.49
3	2018-05-13	1.27
4	2019-05-12	0.96
4	1979-05-13	0.96
6	1974-05-12	0.85
7	1990-05-13	0.79
8	1946-05-12	0.76
9	1960-05-08	0.73
10	2006-05-14	0.69

>>>>>>>>>>>

Top 10 days with the most snowfall
Ranking	Year	Snowfall (in.)
1	2025-05-11	0.0
1	2024-05-12	0.0
1	2023-05-14	0.0
1	2022-05-08	0.0
1	2021-05-09	0.0
1	2020-05-10	0.0
1	2019-05-12	0.0
1	2018-05-13	0.0
1	2017-05-14	0.0
1	2016-05-08	0.0

KTTN - Top 10 Days

>>>>>>>>>>>

Top 10 days with the warmest daily high temperature
Ranking	Year	High Temperature (F)
1	1970-05-10	90
2	1991-05-12	88
2	1956-05-13	88
4	1993-05-09	87
5	1953-05-10	85
5	1918-05-12	85
7	2015-05-10	84
7	1987-05-10	84
9	2012-05-13	82
9	1985-05-12	82

>>>>>>>>>>>

Top 10 days with the warmest daily low temperature
Ranking	Year	Low Temperature (F)
1	1985-05-12	66
2	2015-05-10	65
2	1970-05-10	65
2	1956-05-13	65
5	1964-05-10	62
5	1944-05-14	62
7	1979-05-13	61
8	2014-05-11	59
8	1933-05-14	59
8	1912-05-12	59

>>>>>>>>>>>

Top 10 days with the coldest daily high temperature
Ranking	Year	High Temperature (F)
1	1924-05-11	48
2	2024-05-12	52
3	1932-05-08	53
4	2019-05-12	54
4	1919-05-11	54
6	2018-05-13	55
6	1971-05-09	55
8	1913-05-11	56
9	2010-05-09	57
10	2021-05-09	58

>>>>>>>>>>>

Top 10 days with the coldest daily low temperature
Ranking	Year	Low Temperature (F)
1	2020-05-10	31
2	1913-05-11	34
3	1986-05-11	35
4	1977-05-08	39
4	1939-05-14	39
4	1908-05-10	39
7	2022-05-08	40
7	2010-05-09	40
7	1988-05-08	40
7	1963-05-12	40

>>>>>>>>>>>

Top 10 days with the most precipitation
Ranking	Year	Precipitation (in.)
1	1972-05-14	1.25
2	1952-05-11	1.14
3	2019-05-12	1.09
4	1998-05-10	0.78
5	1946-05-12	0.66
6	1990-05-13	0.59
6	1978-05-14	0.59
8	2002-05-12	0.54
9	1931-05-10	0.51
10	1974-05-12	0.50

KRDG - Top 10 Days

>>>>>>>>>>>

Top 10 days with the warmest daily high temperature
Ranking	Year	High Temperature (F)
1	1985-05-12	90
2	1970-05-10	89
3	1987-05-10	87
3	1956-05-13	87
3	1953-05-10	87
6	2015-05-10	86
7	1993-05-09	85
8	1961-05-14	83
8	1929-05-12	83
10	2012-05-13	82

>>>>>>>>>>>

Top 10 days with the warmest daily low temperature
Ranking	Year	Low Temperature (F)
1	1956-05-13	66
2	2015-05-10	64
3	1985-05-12	63
3	1944-05-14	63
5	1964-05-10	62
5	1912-05-12	62
7	1961-05-14	61
7	1931-05-10	61
9	1979-05-13	60
9	1933-05-14	60

>>>>>>>>>>>

Top 10 days with the coldest daily high temperature
Ranking	Year	High Temperature (F)
1	1924-05-11	50
2	2021-05-09	53
2	1932-05-08	53
4	2019-05-12	54
4	2010-05-09	54
6	1919-05-11	55
7	2018-05-13	56
7	1971-05-09	56
7	1913-05-11	56
10	2024-05-12	57

>>>>>>>>>>>

Top 10 days with the coldest daily low temperature
Ranking	Year	Low Temperature (F)
1	2020-05-10	34
1	1976-05-09	34
3	1977-05-08	37
3	1947-05-11	37
3	1913-05-11	37
6	2021-05-09	38
6	1948-05-09	38
8	2008-05-11	39
9	1940-05-12	40
9	1934-05-13	40

>>>>>>>>>>>

Top 10 days with the most precipitation
Ranking	Year	Precipitation (in.)
1	1978-05-14	1.51
2	2019-05-12	0.96
3	1924-05-11	0.90
4	2002-05-12	0.76
5	1952-05-11	0.75
6	1932-05-08	0.70
7	2018-05-13	0.66
7	1998-05-10	0.66
7	1960-05-08	0.66
7	1956-05-13	0.66

KMPO - Top 10 Days

>>>>>>>>>>>

Top 10 days with the warmest daily high temperature
Ranking	Year	High Temperature (F)
1	1965-05-09	83
2	1970-05-10	82
3	1991-05-12	81
3	1953-05-10	81
5	2015-05-10	80
5	1993-05-09	80
5	1936-05-10	80
5	1929-05-12	80
5	1911-05-14	80
10	1987-05-10	79

>>>>>>>>>>>

Top 10 days with the warmest daily low temperature
Ranking	Year	Low Temperature (F)
1	2015-05-10	61
2	1956-05-13	60
3	1979-05-13	57
4	1936-05-10	55
5	1933-05-14	54
5	1912-05-12	54
7	2003-05-11	53
7	1960-05-08	53
9	1970-05-10	52
10	1998-05-10	51

>>>>>>>>>>>

Top 10 days with the coldest daily high temperature
Ranking	Year	High Temperature (F)
1	2010-05-09	43
2	2024-05-12	45
3	2019-05-12	46
3	1971-05-09	46
5	2018-05-13	47
6	1924-05-11	48
7	1913-05-11	49
8	1997-05-11	50
8	1934-05-13	50
8	1919-05-11	50

>>>>>>>>>>>

Top 10 days with the coldest daily low temperature
Ranking	Year	Low Temperature (F)
1	1913-05-11	24
2	1940-05-12	25
3	1976-05-09	26
4	1947-05-11	27
4	1908-05-10	27
6	1941-05-11	28
7	1987-05-10	29
8	1977-05-08	30
9	2020-05-10	31
9	1948-05-09	31

>>>>>>>>>>>

Top 10 days with the most precipitation
Ranking	Year	Precipitation (in.)
1	2019-05-12	1.47
2	1978-05-14	1.34
3	1998-05-10	1.16
4	1968-05-12	1.01
5	2002-05-12	1.00
6	1924-05-11	0.70
7	1932-05-08	0.43
8	1946-05-12	0.38
9	1945-05-13	0.36
10	1952-05-11	0.34

KGED - Top 10 Days

>>>>>>>>>>>

Top 10 days with the warmest daily high temperature
Ranking	Year	High Temperature (F)
1	1956-05-13	92
2	1970-05-10	88
3	1964-05-10	87
4	2015-05-10	86
4	1985-05-12	86
6	2025-05-11	84
6	1996-05-12	84
8	2003-05-11	83
8	1966-05-08	83
8	1952-05-11	83

>>>>>>>>>>>

Top 10 days with the warmest daily low temperature
Ranking	Year	Low Temperature (F)
1	1985-05-12	66
2	2015-05-10	65
2	1956-05-13	65
4	1964-05-10	64
5	2003-05-11	63
5	1970-05-10	63
7	1979-05-13	60
7	1974-05-12	60
7	1952-05-11	60
7	1945-05-13	60

>>>>>>>>>>>

Top 10 days with the coldest daily high temperature
Ranking	Year	High Temperature (F)
1	2022-05-08	54
2	1967-05-14	58
3	1998-05-10	59
3	1963-05-12	59
5	2019-05-12	60
5	2006-05-14	60
5	1997-05-11	60
5	1992-05-10	60
9	1989-05-14	61
10	2010-05-09	62

>>>>>>>>>>>

Top 10 days with the coldest daily low temperature
Ranking	Year	Low Temperature (F)
1	1947-05-11	30
2	1976-05-09	33
3	2020-05-10	35
3	1986-05-11	35
5	1948-05-09	36
6	1963-05-12	38
7	1994-05-08	40
7	1988-05-08	40
7	1951-05-13	40
10	2008-05-11	42

>>>>>>>>>>>

Top 10 days with the most precipitation
Ranking	Year	Precipitation (in.)
1	1967-05-14	1.20
2	1996-05-12	0.97
3	1978-05-14	0.45
4	1982-05-09	0.44
5	2019-05-12	0.43
5	2008-05-11	0.43
7	2024-05-12	0.41
8	2022-05-08	0.28
9	2007-05-13	0.18
10	1994-05-08	0.16

K55N - Top 10 Days

>>>>>>>>>>>

Top 10 days with the warmest daily high temperature
Ranking	Year	High Temperature (F)
1	1956-05-13	88
2	1991-05-12	87
2	1933-05-14	87
4	1987-05-10	86
5	1970-05-10	80
6	1999-05-09	79
6	1964-05-10	79
8	2014-05-11	77
9	2009-05-10	76
9	1944-05-14	76

>>>>>>>>>>>

Top 10 days with the warmest daily low temperature
Ranking	Year	Low Temperature (F)
1	2014-05-11	63
2	2012-05-13	62
2	1970-05-10	62
2	1964-05-10	62
5	1933-05-14	61
6	2000-05-14	60
6	1985-05-12	60
6	1956-05-13	60
9	1991-05-12	59
10	2025-05-11	58

>>>>>>>>>>>

Top 10 days with the coldest daily high temperature
Ranking	Year	High Temperature (F)
1	1924-05-11	49
2	2022-05-08	50
3	2024-05-12	51
4	1963-05-12	54
4	1919-05-11	54
6	2019-05-12	55
6	1978-05-14	55
6	1932-05-08	55
6	1927-05-08	55
6	1917-05-13	55

>>>>>>>>>>>

Top 10 days with the coldest daily low temperature
Ranking	Year	Low Temperature (F)
1	1913-05-11	34
2	2020-05-10	41
2	1947-05-11	41
2	1939-05-14	41
5	1928-05-13	42
5	1917-05-13	42
7	1976-05-09	43
7	1941-05-11	43
7	1940-05-12	43
10	1977-05-08	45

>>>>>>>>>>>

Top 10 days with the most precipitation
Ranking	Year	Precipitation (in.)
1	1979-05-13	1.15
2	1992-05-10	1.08
3	2019-05-12	0.94
4	1946-05-12	0.93
5	1968-05-12	0.77
6	1972-05-14	0.69
7	1978-05-14	0.66
8	1952-05-11	0.54
9	1998-05-10	0.45
10	1910-05-08	0.38