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

Zmerinka Threshold Days by Year (UPM00033564)

10 fixed thresholds counted per year at Zmerinka (UPM00033564): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Zmerinka Thresholds

  • Zmerinka: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1966 with 23.
  • Zmerinka: days with 25 mm (0.98 in) or more of precipitation in 26 years, most in 1961 with 5.
  • Zmerinka: days with 50 mm (1.97 in) or more of precipitation in 12 years, most in 1988 with 2.
  • Zmerinka: days with a maximum temperature at or above 30 C (86 F) in 3 years, most in 2015 with 26.
  • 10 fixed thresholds have at least one qualifying day at Zmerinka.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Zmerinka Days per year at Zmerinka with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 26 in 2015. 01020302001: 102003: 62015: 26200120032015
Days per year at Zmerinka with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 26 in 2015.
Days at or above 30 C (86 F) per year at Zmerinka
YearDaysDecade average
2001108
200368
20152626
First to last qualifying date each year at Zmerinka For each year, a bar from the first to the last day at Zmerinka meeting 30 C (86 F). 2001: 14 July 2001 to 20 August 20012003: 13 May 2003 to 30 August 20032015: 13 June 2015 to 19 September 2015200120032015JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Zmerinka meeting 30 C (86 F).
First to last qualifying date each year at Zmerinka
YearFirst dateLast date
20012001-07-142001-08-20
20032003-05-132003-08-30
20152015-06-132015-09-19

Every Fixed Threshold

Fixed thresholds at Zmerinka
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days326201526
35 C (95 F): Days1320153
90 F (32.2 C): Days312201512
0 C (32 F): Ice days (max354200118
0 C (32 F): Frost days (min21162003116
-10 C (14 F): Days with min221200321
20 C (68 F): Tropical nights (min1120031
10 mm (0.39 in): Days with 10 mm or more rain3023196612
25 mm (0.98 in): Days with 25 mm or more rain26519612
50 mm (1.97 in): Days with 50 mm or more rain12219881

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2001.

Download the Data

  • Data for Zmerinka 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).