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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Grunow Threshold Days by Year (GME00123142)

12 fixed thresholds counted per year at Grunow (GME00123142): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Grunow Thresholds

  • Grunow: days with 10 mm (0.39 in) or more of precipitation in 54 years, most in 2010 with 21.
  • Grunow: days with a maximum temperature at or below 0 C (32 F) in 52 years, most in 2010 with 72.
  • Grunow: nights with a minimum temperature at or below 0 C (32 F) in 52 years, most in 1980 with 123.
  • Grunow: days with a maximum temperature at or above 30 C (86 F) in 47 years, most in 2018 with 21.
  • 12 fixed thresholds have at least one qualifying day at Grunow.
47 years with a qualifying day
Days at or above 30 C (86 F) per year at Grunow Days per year at Grunow with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 21 in 2018. 01020301973: 31974: 21975: 91976: 61978: 11981: 11982: 81983: 41984: 21986: 31987: 11989: 61990: 11992: 131993: 11995: 91996: 21997: 81998: 21999: 62000: 62001: 82002: 82003: 112004: 42005: 42006: 192007: 42008: 92009: 42010: 102011: 22012: 92013: 82014: 102015: 142016: 72017: 22018: 212019: 182020: 142021: 102022: 152023: 82024: 142025: 82026: 111973198119871995200020052010201520202025
Days per year at Grunow with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 21 in 2018.
Days at or above 30 C (86 F) per year at Grunow
YearDaysDecade average
197334.2
197424.2
197594.2
197664.2
197814.2
198113.6
198283.6
198343.6
198423.6
198633.6
198713.6
198963.6
199015.3
1992135.3
199315.3
199595.3
199625.3
199785.3
199825.3
199965.3
200067.7
200187.7
200287.7
2003117.7
200447.7
200547.7
2006197.7
200747.7
200897.7
200947.7
20101010.1
2011210.1
2012910.1
2013810.1
20141010.1
20151410.1
2016710.1
2017210.1
20182110.1
20191810.1
20201411.4
20211011.4
20221511.4
2023811.4
20241411.4
2025811.4
20261111.4
First to last qualifying date each year at Grunow For each year, a bar from the first to the last day at Grunow meeting 30 C (86 F). 1973: 27 June 1973 to 6 August 19731974: 15 August 1974 to 16 August 19741975: 8 July 1975 to 12 August 19751976: 26 June 1976 to 18 July 19761978: 1 August 1978 to 1 August 19781981: 7 August 1981 to 7 August 19811982: 4 June 1982 to 8 August 19821983: 10 July 1983 to 1 August 19831984: 11 July 1984 to 31 July 19841986: 3 July 1986 to 4 August 19861987: 30 June 1987 to 30 June 19871989: 7 July 1989 to 19 September 19891990: 4 August 1990 to 4 August 19901992: 29 June 1992 to 28 August 19921993: 21 May 1993 to 21 May 19931995: 8 July 1995 to 23 August 19951996: 8 June 1996 to 20 August 19961997: 29 June 1997 to 26 August 19971998: 20 July 1998 to 21 July 19981999: 5 July 1999 to 7 August 19992000: 17 May 2000 to 22 June 20002001: 6 July 2001 to 26 August 20012002: 18 June 2002 to 1 August 20022003: 4 June 2003 to 13 August 20032004: 5 August 2004 to 12 August 20042005: 25 June 2005 to 29 July 20052006: 14 June 2006 to 30 July 20062007: 14 July 2007 to 9 August 20072008: 22 June 2008 to 7 August 20082009: 2 August 2009 to 1 September 20092010: 3 July 2010 to 22 July 20102011: 31 May 2011 to 6 June 20112012: 18 June 2012 to 20 August 20122013: 19 June 2013 to 6 August 20132014: 8 June 2014 to 29 July 20142015: 3 July 2015 to 31 August 20152016: 23 June 2016 to 13 September 20162017: 30 July 2017 to 30 August 20172018: 30 May 2018 to 23 August 20182019: 3 June 2019 to 31 August 20192020: 13 June 2020 to 15 September 20202021: 17 June 2021 to 26 July 20212022: 18 June 2022 to 18 August 20222023: 9 July 2023 to 10 September 20232024: 27 June 2024 to 8 September 20242025: 15 June 2025 to 15 August 20252026: 19 June 2026 to 15 August 202619731982199019982004201020162022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Grunow meeting 30 C (86 F).
First to last qualifying date each year at Grunow
YearFirst dateLast date
19731973-06-271973-08-06
19741974-08-151974-08-16
19751975-07-081975-08-12
19761976-06-261976-07-18
19781978-08-011978-08-01
19811981-08-071981-08-07
19821982-06-041982-08-08
19831983-07-101983-08-01
19841984-07-111984-07-31
19861986-07-031986-08-04
19871987-06-301987-06-30
19891989-07-071989-09-19
19901990-08-041990-08-04
19921992-06-291992-08-28
19931993-05-211993-05-21
19951995-07-081995-08-23
19961996-06-081996-08-20
19971997-06-291997-08-26
19981998-07-201998-07-21
19991999-07-051999-08-07
20002000-05-172000-06-22
20012001-07-062001-08-26
20022002-06-182002-08-01
20032003-06-042003-08-13
20042004-08-052004-08-12
20052005-06-252005-07-29
20062006-06-142006-07-30
20072007-07-142007-08-09
20082008-06-222008-08-07
20092009-08-022009-09-01
20102010-07-032010-07-22
20112011-05-312011-06-06
20122012-06-182012-08-20
20132013-06-192013-08-06
20142014-06-082014-07-29
20152015-07-032015-08-31
20162016-06-232016-09-13
20172017-07-302017-08-30
20182018-05-302018-08-23
20192019-06-032019-08-31
20202020-06-132020-09-15
20212021-06-172021-07-26
20222022-06-182022-08-18
20232023-07-092023-09-10
20242024-06-272024-09-08
20252025-06-152025-08-15
20262026-06-192026-08-15

Every Fixed Threshold

Fixed thresholds at Grunow
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4721201811
35 C (95 F): Days13319923
90 F (32.2 C): Days31820155
0 C (32 F): Ice days (max5272201029
0 C (32 F): Frost days (min52123198066
-10 C (14 F): Days with min413219857
-20 C (-4 F): Days with min9419871
20 C (68 F): Tropical nights (min10220151
10 mm (0.39 in): Days with 10 mm or more rain5421201011
25 mm (0.98 in): Days with 25 mm or more rain40420171
50 mm (1.97 in): Days with 50 mm or more rain8219722
100 mm (3.94 in): Days with 100 mm or more rain1119871

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.

Download the Data

  • Data for Grunow 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).