Built 2026-10-19 (19 October 2026)

Isilkul Threshold Days by Year (RSM00028688)

8 fixed thresholds counted per year at Isilkul (RSM00028688): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Isilkul Thresholds

  • Isilkul: days with 10 mm (0.39 in) or more of precipitation in 58 years, most in 1946 with 13.
  • Isilkul: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1964 with 4.
  • Isilkul: days with a maximum temperature at or above 30 C (86 F) in 6 years, most in 2012 with 30.
  • Isilkul: days with a maximum temperature at or below 0 C (32 F) in 6 years, most in 1969 with 136.
  • 8 fixed thresholds have at least one qualifying day at Isilkul.
6 years with a qualifying day
Days at or above 30 C (86 F) per year at Isilkul Days per year at Isilkul with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 30 in 2012. 01020301969: 112005: 102008: 112010: 262011: 62012: 30196920052008201020112012
Days per year at Isilkul with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 30 in 2012.
Days at or above 30 C (86 F) per year at Isilkul
YearDaysDecade average
19691111
20051010.5
20081110.5
20102620.7
2011620.7
20123020.7
First to last qualifying date each year at Isilkul For each year, a bar from the first to the last day at Isilkul meeting 30 C (86 F). 1969: 13 June 1969 to 27 July 19692005: 4 June 2005 to 17 August 20052008: 20 June 2008 to 27 August 20082010: 6 June 2010 to 31 August 20102011: 30 June 2011 to 15 August 20112012: 19 April 2012 to 1 September 2012196920052008201020112012JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Isilkul meeting 30 C (86 F).
First to last qualifying date each year at Isilkul
YearFirst dateLast date
19691969-06-131969-07-27
20052005-06-042005-08-17
20082008-06-202008-08-27
20102010-06-062010-08-31
20112011-06-302011-08-15
20122012-04-192012-09-01

Every Fixed Threshold

Fixed thresholds at Isilkul
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days630201230
35 C (95 F): Days4519695
90 F (32.2 C): Days513201213
100 F (37.8 C): Days3119691
0 C (32 F): Ice days (max61361969119
10 mm (0.39 in): Days with 10 mm or more rain581319463
25 mm (0.98 in): Days with 25 mm or more rain34419643
50 mm (1.97 in): Days with 50 mm or more rain6119421

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.

Download the Data

  • Data for Isilkul 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).