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Data as of 2026-10-16
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Built 2026-10-17 (17 October 2026)

Sisian Threshold Days by Year

10 fixed thresholds counted per year at Sisian (AM000037897): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sisian Thresholds

  • Sisian: days with 10 mm (0.39 in) or more of precipitation in 54 years, most in 2023 with 37.
  • Sisian: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 2019 with 31.
  • Sisian: days with a maximum temperature at or above 30 C (86 F) in 12 years, most in 2017 with 14.
  • Sisian: days with a maximum temperature at or below 0 C (32 F) in 12 years, most in 2022 with 24.
  • 10 fixed thresholds have at least one qualifying day at Sisian.
12 years with a qualifying day
Days at or above 30 C (86 F) per year at Sisian Days per year at Sisian with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 14 in 2017. 0510152015: 132016: 92017: 142018: 112019: 72020: 72021: 142022: 72023: 82024: 42025: 82026: 1201520172019202120232025
Days per year at Sisian with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 14 in 2017.
Days at or above 30 C (86 F) per year at Sisian
YearDaysDecade average
20151310.8
2016910.8
20171410.8
20181110.8
2019710.8
202077
2021147
202277
202387
202447
202587
202617
First to last qualifying date each year at Sisian For each year, a bar from the first to the last day at Sisian meeting 30 C (86 F). 2015: 10 July 2015 to 19 August 20152016: 29 June 2016 to 31 August 20162017: 3 July 2017 to 13 September 20172018: 30 June 2018 to 26 July 20182019: 12 July 2019 to 16 August 20192020: 20 July 2020 to 7 September 20202021: 24 June 2021 to 2 September 20212022: 16 August 2022 to 19 September 20222023: 7 August 2023 to 6 September 20232024: 5 July 2024 to 11 September 20242025: 28 July 2025 to 7 August 20252026: 26 July 2026 to 26 July 2026201520172019202120232025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sisian meeting 30 C (86 F).
First to last qualifying date each year at Sisian
YearFirst dateLast date
20152015-07-102015-08-19
20162016-06-292016-08-31
20172017-07-032017-09-13
20182018-06-302018-07-26
20192019-07-122019-08-16
20202020-07-202020-09-07
20212021-06-242021-09-02
20222022-08-162022-09-19
20232023-08-072023-09-06
20242024-07-052024-09-11
20252025-07-282025-08-07
20262026-07-262026-07-26

Every Fixed Threshold

Fixed thresholds at Sisian
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days121420171
35 C (95 F): Days3220151
90 F (32.2 C): Days9520155
0 C (32 F): Ice days (max1224202212
0 C (32 F): Frost days (min2150202568
-10 C (14 F): Days with min240202513
-20 C (-4 F): Days with min1120251
10 mm (0.39 in): Days with 10 mm or more rain5437202330
25 mm (0.98 in): Days with 25 mm or more rain3231201930
50 mm (1.97 in): Days with 50 mm or more rain731201930

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2015.

Download the Data

  • Data for Sisian 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-16).