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

Decimomannu Threshold Days by Year (ITM00016546)

10 fixed thresholds counted per year at Decimomannu (ITM00016546): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Decimomannu Thresholds

  • Decimomannu: days with 10 mm (0.39 in) or more of precipitation in 16 years, most in 2010 with 27.
  • Decimomannu: days with 25 mm (0.98 in) or more of precipitation in 15 years, most in 2011 with 8.
  • Decimomannu: days with 50 mm (1.97 in) or more of precipitation in 5 years, most in 2010 with 1.
  • Decimomannu: days with a maximum temperature at or above 30 C (86 F) in 4 years, most in 2015 with 101.
  • 10 fixed thresholds have at least one qualifying day at Decimomannu.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Decimomannu Days per year at Decimomannu with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 101 in 2015. 0501001502010: 722011: 832015: 1012025: 642010201120152025
Days per year at Decimomannu with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 101 in 2015.
Days at or above 30 C (86 F) per year at Decimomannu
YearDaysDecade average
20107285.3
20118385.3
201510185.3
20256464
First to last qualifying date each year at Decimomannu For each year, a bar from the first to the last day at Decimomannu meeting 30 C (86 F). 2010: 27 May 2010 to 9 October 20102011: 12 May 2011 to 11 October 20112015: 3 May 2015 to 6 October 20152025: 31 May 2025 to 24 August 20252010201120152025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Decimomannu meeting 30 C (86 F).
First to last qualifying date each year at Decimomannu
YearFirst dateLast date
20102010-05-272010-10-09
20112011-05-122011-10-11
20152015-05-032015-10-06
20252025-05-312025-08-24

Every Fixed Threshold

Fixed thresholds at Decimomannu
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4101201564
35 C (95 F): Days434201530
40 C (104 F): Days1120101
90 F (32.2 C): Days469201552
100 F (37.8 C): Days47201511
20 C (68 F): Tropical nights (min10n/a39
10 mm (0.39 in): Days with 10 mm or more rain162720104
25 mm (0.98 in): Days with 25 mm or more rain15820112
50 mm (1.97 in): Days with 50 mm or more rain5120101
100 mm (3.94 in): Days with 100 mm or more rain1120101

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2010.

Download the Data

  • Data for Decimomannu 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).