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

Anzali Threshold Days by Year (IRM00040718)

12 fixed thresholds counted per year at Anzali (IRM00040718): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Anzali Thresholds

  • Anzali: days with a maximum temperature at or above 30 C (86 F) in 20 years, most in 2022 with 84.
  • Anzali: days with 10 mm (0.39 in) or more of precipitation in 20 years, most in 2011 with 72.
  • Anzali: days with 25 mm (0.98 in) or more of precipitation in 20 years, most in 2011 with 35.
  • Anzali: days with 50 mm (1.97 in) or more of precipitation in 20 years, most in 2011 with 15.
  • 12 fixed thresholds have at least one qualifying day at Anzali.
20 years with a qualifying day
Days at or above 30 C (86 F) per year at Anzali Days per year at Anzali with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 84 in 2022. 02550751001958: 372007: 282008: 292009: 182010: 622011: 462012: 502013: 222014: 452015: 572016: 482017: 712018: 652019: 772020: 742021: 782022: 842023: 732024: 702025: 401958200820102012201420162018202020222024
Days per year at Anzali with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 84 in 2022.
Days at or above 30 C (86 F) per year at Anzali
YearDaysDecade average
19583737
20072825
20082925
20091825
20106254.3
20114654.3
20125054.3
20132254.3
20144554.3
20155754.3
20164854.3
20177154.3
20186554.3
20197754.3
20207469.8
20217869.8
20228469.8
20237369.8
20247069.8
20254069.8
First to last qualifying date each year at Anzali For each year, a bar from the first to the last day at Anzali meeting 30 C (86 F). 1958: 2 June 1958 to 2 September 19582007: 30 May 2007 to 10 September 20072008: 13 July 2008 to 31 August 20082009: 15 June 2009 to 28 July 20092010: 14 June 2010 to 8 September 20102011: 10 April 2011 to 10 September 20112012: 2 June 2012 to 30 August 20122013: 13 March 2013 to 1 September 20132014: 22 June 2014 to 24 September 20142015: 31 May 2015 to 8 September 20152016: 21 April 2016 to 1 September 20162017: 8 May 2017 to 30 October 20172018: 6 June 2018 to 26 October 20182019: 3 May 2019 to 20 September 20192020: 31 May 2020 to 19 September 20202021: 23 May 2021 to 22 September 20212022: 5 June 2022 to 5 October 20222023: 27 May 2023 to 27 November 20232024: 3 June 2024 to 12 September 20242025: 12 July 2025 to 4 September 20251958200920122015201820212024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Anzali meeting 30 C (86 F).
First to last qualifying date each year at Anzali
YearFirst dateLast date
19581958-06-021958-09-02
20072007-05-302007-09-10
20082008-07-132008-08-31
20092009-06-152009-07-28
20102010-06-142010-09-08
20112011-04-102011-09-10
20122012-06-022012-08-30
20132013-03-132013-09-01
20142014-06-222014-09-24
20152015-05-312015-09-08
20162016-04-212016-09-01
20172017-05-082017-10-30
20182018-06-062018-10-26
20192019-05-032019-09-20
20202020-05-312020-09-19
20212021-05-232021-09-22
20222022-06-052022-10-05
20232023-05-272023-11-27
20242024-06-032024-09-12
20252025-07-122025-09-04

Every Fixed Threshold

Fixed thresholds at Anzali
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2084202240
35 C (95 F): Days7920213
90 F (32.2 C): Days1857202117
0 C (32 F): Ice days (max2220142
0 C (32 F): Frost days (min41019512
-10 C (14 F): Days with min10n/a3
20 C (68 F): Tropical nights (min477195179
25 C (77 F): Days with min22195134
10 mm (0.39 in): Days with 10 mm or more rain2072201152
25 mm (0.98 in): Days with 25 mm or more rain2035201126
50 mm (1.97 in): Days with 50 mm or more rain2015201112
100 mm (3.94 in): Days with 100 mm or more rain13520231

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

  • Data for Anzali 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).