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

Duken Threshold Days by Year (KZ000038019)

11 fixed thresholds counted per year at Duken (KZ000038019): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Duken Thresholds

  • Duken: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1980 with 6.
  • Duken: days with 25 mm (0.98 in) or more of precipitation in 10 years, most in 1980 with 2.
  • Duken: days with a maximum temperature at or above 30 C (86 F) in 4 years, most in 1979 with 94.
  • Duken: days with a maximum temperature at or above 35 C (95 F) in 4 years, most in 1979 with 40.
  • 11 fixed thresholds have at least one qualifying day at Duken.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Duken Days per year at Duken with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 94 in 1979. 02550751001970: 851979: 941980: 831981: 931970197919801981
Days per year at Duken with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 94 in 1979.
Days at or above 30 C (86 F) per year at Duken
YearDaysDecade average
19708589.5
19799489.5
19808388
19819388
First to last qualifying date each year at Duken For each year, a bar from the first to the last day at Duken meeting 30 C (86 F). 1970: 2 May 1970 to 24 September 19701979: 15 May 1979 to 1 October 19791980: 4 May 1980 to 17 September 19801981: 12 May 1981 to 18 September 19811970197919801981JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Duken meeting 30 C (86 F).
First to last qualifying date each year at Duken
YearFirst dateLast date
19701970-05-021970-09-24
19791979-05-151979-10-01
19801980-05-041980-09-17
19811981-05-121981-09-18

Every Fixed Threshold

Fixed thresholds at Duken
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days494197993
35 C (95 F): Days440197938
40 C (104 F): Days41419791
45 C (113 F): Days1119791
90 F (32.2 C): Days463197063
100 F (37.8 C): Days428197914
110 F (43.3 C): Days1219792
0 C (32 F): Ice days (max472198032
10 mm (0.39 in): Days with 10 mm or more rain32619801
25 mm (0.98 in): Days with 25 mm or more rain10219801
50 mm (1.97 in): Days with 50 mm or more rain1119801

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

  • Data for Duken 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).