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Built 2026-10-19 (19 October 2026)

Porsgrunn Brannstasjon Threshold Days by Year (NOE00134838)

3 fixed thresholds counted per year at Porsgrunn Brannstasjon (NOE00134838): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Porsgrunn Brannstasjon Thresholds

  • Porsgrunn Brannstasjon: days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1988 with 45.
  • Porsgrunn Brannstasjon: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 2000 with 15.
  • Porsgrunn Brannstasjon: days with 50 mm (1.97 in) or more of precipitation in 15 years, most in 1995 with 2.
  • 3 fixed thresholds have at least one qualifying day at Porsgrunn Brannstasjon.
37 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Porsgrunn Brannstasjon Days per year at Porsgrunn Brannstasjon with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1988. 02040601978: 231979: 291980: 181981: 291982: 361983: 251984: 371985: 261986: 291987: 391988: 451989: 171990: 331991: 251992: 281993: 281994: 281995: 281996: 231997: 311998: 301999: 282000: 452001: 302002: 242003: 212005: 172006: 372007: 262008: 352009: 382010: 242011: 412012: 372013: 312014: 432015: 381978198219861990199419982002200720112015
Days per year at Porsgrunn Brannstasjon with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1988.
Days with 10 mm (0.39 in) or more of precipitation per year at Porsgrunn Brannstasjon
YearDaysDecade average
19782326
19792926
19801830.1
19812930.1
19823630.1
19832530.1
19843730.1
19852630.1
19862930.1
19873930.1
19884530.1
19891730.1
19903328.2
19912528.2
19922828.2
19932828.2
19942828.2
19952828.2
19962328.2
19973128.2
19983028.2
19992828.2
20004530.3
20013030.3
20022430.3
20032130.3
20051730.3
20063730.3
20072630.3
20083530.3
20093830.3
20102435.7
20114135.7
20123735.7
20133135.7
20144335.7
20153835.7
First to last qualifying date each year at Porsgrunn Brannstasjon For each year, a bar from the first to the last day at Porsgrunn Brannstasjon meeting 10 mm (0.39 in). 1978: 27 January 1978 to 16 October 19781979: 9 March 1979 to 27 December 19791980: 22 January 1980 to 20 November 19801981: 18 March 1981 to 23 December 19811982: 3 March 1982 to 21 December 19821983: 1 February 1983 to 16 October 19831984: 7 January 1984 to 25 December 19841985: 4 March 1985 to 24 December 19851986: 10 January 1986 to 27 December 19861987: 4 January 1987 to 16 November 19871988: 2 January 1988 to 3 December 19881989: 18 February 1989 to 10 November 19891990: 23 January 1990 to 28 December 19901991: 1 January 1991 to 14 November 19911992: 18 January 1992 to 2 December 19921993: 10 January 1993 to 29 December 19931994: 7 January 1994 to 26 December 19941995: 18 January 1995 to 4 October 19951996: 25 February 1996 to 4 December 19961997: 17 February 1997 to 31 December 19971998: 3 January 1998 to 26 December 19981999: 2 January 1999 to 24 December 19992000: 2 March 2000 to 12 December 20002001: 1 January 2001 to 3 December 20012002: 4 February 2002 to 23 November 20022003: 19 January 2003 to 26 December 20032005: 9 January 2005 to 5 December 20052006: 17 January 2006 to 31 December 20062007: 9 January 2007 to 2 December 20072008: 4 January 2008 to 1 December 20082009: 18 January 2009 to 25 December 20092010: 30 March 2010 to 11 November 20102011: 5 January 2011 to 31 December 20112012: 3 January 2012 to 28 December 20122013: 27 January 2013 to 30 December 20132014: 2 January 2014 to 9 December 20142015: 6 January 2015 to 29 December 201519781983198819931998200320092014JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Porsgrunn Brannstasjon meeting 10 mm (0.39 in).
First to last qualifying date each year at Porsgrunn Brannstasjon
YearFirst dateLast date
19781978-01-271978-10-16
19791979-03-091979-12-27
19801980-01-221980-11-20
19811981-03-181981-12-23
19821982-03-031982-12-21
19831983-02-011983-10-16
19841984-01-071984-12-25
19851985-03-041985-12-24
19861986-01-101986-12-27
19871987-01-041987-11-16
19881988-01-021988-12-03
19891989-02-181989-11-10
19901990-01-231990-12-28
19911991-01-011991-11-14
19921992-01-181992-12-02
19931993-01-101993-12-29
19941994-01-071994-12-26
19951995-01-181995-10-04
19961996-02-251996-12-04
19971997-02-171997-12-31
19981998-01-031998-12-26
19991999-01-021999-12-24
20002000-03-022000-12-12
20012001-01-012001-12-03
20022002-02-042002-11-23
20032003-01-192003-12-26
20052005-01-092005-12-05
20062006-01-172006-12-31
20072007-01-092007-12-02
20082008-01-042008-12-01
20092009-01-182009-12-25
20102010-03-302010-11-11
20112011-01-052011-12-31
20122012-01-032012-12-28
20132013-01-272013-12-30
20142014-01-022014-12-09
20152015-01-062015-12-29

Every Fixed Threshold

Fixed thresholds at Porsgrunn Brannstasjon
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3745198838
25 mm (0.98 in): Days with 25 mm or more rain3715200011
50 mm (1.97 in): Days with 50 mm or more rain15219951

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1978.

Download the Data

  • Data for Porsgrunn Brannstasjon 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).