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

Arkona Threshold Days by Year (GME00121018)

9 fixed thresholds counted per year at Arkona (GME00121018): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Arkona Thresholds

  • Arkona: nights with a minimum temperature at or below 0 C (32 F) in 80 years, most in 1996 with 121.
  • Arkona: days with a maximum temperature at or below 0 C (32 F) in 79 years, most in 1947 with 67.
  • Arkona: days with 10 mm (0.39 in) or more of precipitation in 76 years, most in 1960 with 22.
  • Arkona: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 2007 with 5.
  • 9 fixed thresholds have at least one qualifying day at Arkona.
13 years with a qualifying day
Days at or above 30 C (86 F) per year at Arkona Days per year at Arkona with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 2013. 011221964: 11974: 11983: 11995: 12000: 12001: 12010: 12013: 22016: 12019: 22021: 12025: 12026: 11964198320002010201620212026
Days per year at Arkona with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 2013.
Days at or above 30 C (86 F) per year at Arkona
YearDaysDecade average
196411
197411
198311
199511
200011
200111
201011.5
201321.5
201611.5
201921.5
202111
202511
202611
First to last qualifying date each year at Arkona For each year, a bar from the first to the last day at Arkona meeting 30 C (86 F). 1964: 27 August 1964 to 27 August 19641974: 16 August 1974 to 16 August 19741983: 1 August 1983 to 1 August 19831995: 21 July 1995 to 21 July 19952000: 20 June 2000 to 20 June 20002001: 16 August 2001 to 16 August 20012010: 10 July 2010 to 10 July 20102013: 28 July 2013 to 3 August 20132016: 26 August 2016 to 26 August 20162019: 26 June 2019 to 30 June 20192021: 19 June 2021 to 19 June 20212025: 2 July 2025 to 2 July 20252026: 27 June 2026 to 27 June 20261964198320002010201620212026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Arkona meeting 30 C (86 F).
First to last qualifying date each year at Arkona
YearFirst dateLast date
19641964-08-271964-08-27
19741974-08-161974-08-16
19831983-08-011983-08-01
19951995-07-211995-07-21
20002000-06-202000-06-20
20012001-08-162001-08-16
20102010-07-102010-07-10
20132013-07-282013-08-03
20162016-08-262016-08-26
20192019-06-262019-06-30
20212021-06-192021-06-19
20252025-07-022025-07-02
20262026-06-272026-06-27

Every Fixed Threshold

Fixed thresholds at Arkona
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days13220131
90 F (32.2 C): Days2120161
0 C (32 F): Ice days (max7967194720
0 C (32 F): Frost days (min80121199646
-10 C (14 F): Days with min261619473
20 C (68 F): Tropical nights (min15920181
10 mm (0.39 in): Days with 10 mm or more rain762219606
25 mm (0.98 in): Days with 25 mm or more rain57520071
50 mm (1.97 in): Days with 50 mm or more rain5219551

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for Arkona 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 (2026-10-12).