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

Hamra Threshold Days by Year (SWE00139660)

9 fixed thresholds counted per year at Hamra (SWE00139660): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hamra Thresholds

  • Hamra: days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 2000 with 32.
  • Hamra: days with a maximum temperature at or below 0 C (32 F) in 48 years, most in 2010 with 128.
  • Hamra: nights with a minimum temperature at or below 0 C (32 F) in 48 years, most in 1976 with 211.
  • Hamra: nights with a minimum temperature at or below -10 C (14 F) in 48 years, most in 1985 with 90.
  • 9 fixed thresholds have at least one qualifying day at Hamra.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Hamra Days per year at Hamra with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 1975. 01231975: 31994: 12018: 2197519942018
Days per year at Hamra with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 1975.
Days at or above 30 C (86 F) per year at Hamra
YearDaysDecade average
197533
199411
201822
First to last qualifying date each year at Hamra For each year, a bar from the first to the last day at Hamra meeting 30 C (86 F). 1975: 5 August 1975 to 7 August 19751994: 27 July 1994 to 27 July 19942018: 16 July 2018 to 24 July 2018197519942018JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hamra meeting 30 C (86 F).
First to last qualifying date each year at Hamra
YearFirst dateLast date
19751975-08-051975-08-07
19941994-07-271994-07-27
20182018-07-162018-07-24

Every Fixed Threshold

Fixed thresholds at Hamra
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3319752
0 C (32 F): Ice days (max48128201056
0 C (32 F): Frost days (min482111976105
-10 C (14 F): Days with min4890198536
-20 C (-4 F): Days with min322219851
-30 C (-22 F): Days with min2319873
10 mm (0.39 in): Days with 10 mm or more rain4932200014
25 mm (0.98 in): Days with 25 mm or more rain39620064
50 mm (1.97 in): Days with 50 mm or more rain5119851

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

  • Data for Hamra 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 (2026-10-12).