Daily records
Page built 2026-10-19
Data as of 2026-10-17
Search
Built 2026-10-19 (19 October 2026)

Phila Franklin Inst Threshold Days by Year (USC00366886)

18 fixed thresholds counted per year at Phila Franklin Inst (USC00366886): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Phila Franklin Inst Thresholds

  • Phila Franklin Inst: days with a maximum temperature at or above 30 C (86 F) in 32 years, most in 2005 with 101.
  • Phila Franklin Inst: days with a maximum temperature at or above 35 C (95 F) in 32 years, most in 2002 with 31.
  • Phila Franklin Inst: days with a maximum temperature at or above 90 F (32.2 C) in 32 years, most in 2005 with 73.
  • Phila Franklin Inst: days with a maximum temperature at or below 0 C (32 F) in 32 years, most in 2015 with 29.
  • 18 fixed thresholds have at least one qualifying day at Phila Franklin Inst.
32 years with a qualifying day
Days at or above 30 C (86 F) per year at Phila Franklin Inst Days per year at Phila Franklin Inst with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 101 in 2005. 0501001501994: 661995: 691996: 551997: 601998: 831999: 712000: 542001: 652002: 872003: 662004: 652005: 1012006: 722007: 572008: 732009: 452010: 852011: 742012: 682013: 572014: 572015: 852016: 812017: 682018: 842019: 782021: 732022: 792023: 672024: 822025: 712026: 7319941998200220062010201420182023
Days per year at Phila Franklin Inst with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 101 in 2005.
Days at or above 30 C (86 F) per year at Phila Franklin Inst
YearDaysDecade average
19946667.3
19956967.3
19965567.3
19976067.3
19988367.3
19997167.3
20005468.5
20016568.5
20028768.5
20036668.5
20046568.5
200510168.5
20067268.5
20075768.5
20087368.5
20094568.5
20108573.7
20117473.7
20126873.7
20135773.7
20145773.7
20158573.7
20168173.7
20176873.7
20188473.7
20197873.7
20217374.2
20227974.2
20236774.2
20248274.2
20257174.2
20267374.2
First to last qualifying date each year at Phila Franklin Inst For each year, a bar from the first to the last day at Phila Franklin Inst meeting 30 C (86 F). 1994: 16 April 1994 to 18 September 19941995: 25 May 1995 to 14 September 19951996: 22 April 1996 to 10 September 19961997: 19 May 1997 to 6 October 19971998: 30 March 1998 to 27 September 19981999: 22 May 1999 to 12 September 19992000: 5 May 2000 to 20 September 20002001: 1 May 2001 to 13 September 20012002: 16 April 2002 to 4 October 20022003: 16 April 2003 to 20 September 20032004: 18 April 2004 to 23 September 20042005: 20 April 2005 to 2 October 20052006: 20 April 2006 to 9 September 20062007: 26 May 2007 to 9 October 20072008: 18 April 2008 to 14 September 20082009: 25 April 2009 to 5 September 20092010: 7 April 2010 to 26 September 20102011: 26 April 2011 to 9 October 20112012: 17 April 2012 to 9 September 20122013: 11 April 2013 to 8 October 20132014: 13 May 2014 to 29 September 20142015: 5 May 2015 to 20 September 20152016: 26 May 2016 to 20 October 20162017: 17 April 2017 to 28 September 20172018: 3 May 2018 to 27 September 20182019: 20 May 2019 to 3 October 20192021: 29 April 2021 to 19 September 20212022: 21 May 2022 to 20 September 20222023: 14 April 2023 to 5 October 20232024: 30 April 2024 to 20 September 20242025: 3 May 2025 to 1 October 20252026: 15 April 2026 to 31 August 202619941998200220062010201420182023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Phila Franklin Inst meeting 30 C (86 F).
First to last qualifying date each year at Phila Franklin Inst
YearFirst dateLast date
19941994-04-161994-09-18
19951995-05-251995-09-14
19961996-04-221996-09-10
19971997-05-191997-10-06
19981998-03-301998-09-27
19991999-05-221999-09-12
20002000-05-052000-09-20
20012001-05-012001-09-13
20022002-04-162002-10-04
20032003-04-162003-09-20
20042004-04-182004-09-23
20052005-04-202005-10-02
20062006-04-202006-09-09
20072007-05-262007-10-09
20082008-04-182008-09-14
20092009-04-252009-09-05
20102010-04-072010-09-26
20112011-04-262011-10-09
20122012-04-172012-09-09
20132013-04-112013-10-08
20142014-05-132014-09-29
20152015-05-052015-09-20
20162016-05-262016-10-20
20172017-04-172017-09-28
20182018-05-032018-09-27
20192019-05-202019-10-03
20212021-04-292021-09-19
20222022-05-212022-09-20
20232023-04-142023-10-05
20242024-04-302024-09-20
20252025-05-032025-10-01
20262026-04-152026-08-31

Every Fixed Threshold

Fixed thresholds at Phila Franklin Inst
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days32101200573
35 C (95 F): Days3231200215
40 C (104 F): Days5220061
90 F (32.2 C): Days3273200543
100 F (37.8 C): Days181320054
0 C (32 F): Ice days (max3229201513
0 C (32 F): Frost days (min3282201446
-10 C (14 F): Days with min2616201410
-20 C (-4 F): Days with min1119941
20 C (68 F): Tropical nights (min3292201170
25 C (77 F): Days with min322120058
10 mm (0.39 in): Days with 10 mm or more rain245319966
25 mm (0.98 in): Days with 25 mm or more rain242320183
50 mm (1.97 in): Days with 50 mm or more rain23920111
100 mm (3.94 in): Days with 100 mm or more rain4220112
10 cm (3.9 in): Days with 10 cm or more snowfall13319962
25 cm (9.8 in): Days with 25 cm or more snowfall4119961
50 cm (19.7 in): Days with 50 cm or more snowfall1119961

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1994.

Download the Data

  • Data for Phila Franklin Inst threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-17).