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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Lenapah Threshold Days by Year (USC00345118)

6 fixed thresholds counted per year at Lenapah (USC00345118): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lenapah Thresholds

  • Lenapah: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1993 with 41.
  • Lenapah: days with 25 mm (0.98 in) or more of precipitation in 27 years, most in 1977 with 21.
  • Lenapah: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 1995 with 8.
  • Lenapah: days with 10 cm (3.9 in) or more of snowfall in 8 years, most in 2002 with 3.
  • 6 fixed thresholds have at least one qualifying day at Lenapah.
27 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Lenapah Days per year at Lenapah with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1993. 02040601959: 341975: 221976: 231977: 351978: 231979: 261980: 281981: 331992: 351993: 411994: 351995: 311996: 261997: 391998: 391999: 392000: 302001: 252002: 302003: 322004: 352005: 232006: 202007: 302008: 412009: 292010: 25195919771980199319961999200220052008
Days per year at Lenapah with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1993.
Days with 10 mm (0.39 in) or more of precipitation per year at Lenapah
YearDaysDecade average
19593434
19752225.8
19762325.8
19773525.8
19782325.8
19792625.8
19802830.5
19813330.5
19923535.6
19934135.6
19943535.6
19953135.6
19962635.6
19973935.6
19983935.6
19993935.6
20003029.5
20012529.5
20023029.5
20033229.5
20043529.5
20052329.5
20062029.5
20073029.5
20084129.5
20092929.5
20102525
First to last qualifying date each year at Lenapah For each year, a bar from the first to the last day at Lenapah meeting 10 mm (0.39 in). 1959: 21 January 1959 to 27 December 19591975: 31 January 1975 to 29 November 19751976: 5 February 1976 to 30 October 19761977: 12 February 1977 to 9 November 19771978: 18 January 1978 to 31 December 19781979: 20 January 1979 to 21 November 19791980: 20 January 1980 to 8 December 19801981: 1 February 1981 to 30 November 19811992: 12 February 1992 to 15 December 19921993: 9 January 1993 to 13 December 19931994: 20 February 1994 to 8 December 19941995: 27 February 1995 to 19 December 19951996: 23 January 1996 to 29 November 19961997: 9 January 1997 to 24 December 19971998: 4 January 1998 to 19 December 19981999: 30 January 1999 to 9 December 19992000: 18 February 2000 to 12 November 20002001: 29 January 2001 to 17 December 20012002: 30 January 2002 to 25 December 20022003: 14 February 2003 to 28 December 20032004: 17 January 2004 to 7 December 20042005: 4 January 2005 to 31 October 20052006: 28 January 2006 to 30 December 20062007: 21 March 2007 to 26 November 20072008: 5 February 2008 to 27 December 20082009: 11 February 2009 to 16 November 20092010: 21 January 2010 to 31 December 20101959197819921996200020042008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lenapah meeting 10 mm (0.39 in).
First to last qualifying date each year at Lenapah
YearFirst dateLast date
19591959-01-211959-12-27
19751975-01-311975-11-29
19761976-02-051976-10-30
19771977-02-121977-11-09
19781978-01-181978-12-31
19791979-01-201979-11-21
19801980-01-201980-12-08
19811981-02-011981-11-30
19921992-02-121992-12-15
19931993-01-091993-12-13
19941994-02-201994-12-08
19951995-02-271995-12-19
19961996-01-231996-11-29
19971997-01-091997-12-24
19981998-01-041998-12-19
19991999-01-301999-12-09
20002000-02-182000-11-12
20012001-01-292001-12-17
20022002-01-302002-12-25
20032003-02-142003-12-28
20042004-01-172004-12-07
20052005-01-042005-10-31
20062006-01-282006-12-30
20072007-03-212007-11-26
20082008-02-052008-12-27
20092009-02-112009-11-16
20102010-01-212010-12-31

Every Fixed Threshold

Fixed thresholds at Lenapah
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2741199325
25 mm (0.98 in): Days with 25 mm or more rain2721197712
50 mm (1.97 in): Days with 50 mm or more rain26819952
100 mm (3.94 in): Days with 100 mm or more rain7219791
10 cm (3.9 in): Days with 10 cm or more snowfall8320021
25 cm (9.8 in): Days with 25 cm or more snowfall3119991

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

  • Data for Lenapah 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 (2025-12-31).