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

Dukstas Threshold Days by Year (LH000026547)

7 fixed thresholds counted per year at Dukstas (LH000026547): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dukstas Thresholds

  • Dukstas: days with 10 mm (0.39 in) or more of precipitation in 18 years, most in 1990 with 20.
  • Dukstas: days with 25 mm (0.98 in) or more of precipitation in 15 years, most in 1978 with 3.
  • Dukstas: days with 50 mm (1.97 in) or more of precipitation in 2 years, most in 1980 with 1.
  • 7 fixed thresholds have at least one qualifying day at Dukstas.
18 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Dukstas Days per year at Dukstas with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1990. 051015201977: 111978: 111979: 101980: 131981: 161982: 81983: 91984: 131985: 181986: 131987: 91988: 111989: 161990: 201991: 112020: 82021: 152025: 6197719791981198319851987198919912021
Days per year at Dukstas with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1990.
Days with 10 mm (0.39 in) or more of precipitation per year at Dukstas
YearDaysDecade average
19771110.7
19781110.7
19791010.7
19801312.6
19811612.6
1982812.6
1983912.6
19841312.6
19851812.6
19861312.6
1987912.6
19881112.6
19891612.6
19902015.5
19911115.5
202089.7
2021159.7
202569.7
First to last qualifying date each year at Dukstas For each year, a bar from the first to the last day at Dukstas meeting 10 mm (0.39 in). 1977: 11 April 1977 to 25 December 19771978: 14 April 1978 to 21 October 19781979: 13 January 1979 to 10 December 19791980: 26 April 1980 to 20 October 19801981: 8 March 1981 to 20 December 19811982: 12 May 1982 to 15 November 19821983: 7 March 1983 to 28 November 19831984: 1 January 1984 to 26 September 19841985: 29 April 1985 to 12 October 19851986: 25 January 1986 to 16 September 19861987: 21 March 1987 to 25 September 19871988: 24 March 1988 to 27 December 19881989: 16 January 1989 to 15 November 19891990: 12 March 1990 to 20 October 19901991: 27 February 1991 to 1 October 19912020: 11 January 2020 to 13 October 20202021: 26 January 2021 to 29 November 20212025: 18 May 2025 to 25 October 2025197719801983198619892020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Dukstas meeting 10 mm (0.39 in).
First to last qualifying date each year at Dukstas
YearFirst dateLast date
19771977-04-111977-12-25
19781978-04-141978-10-21
19791979-01-131979-12-10
19801980-04-261980-10-20
19811981-03-081981-12-20
19821982-05-121982-11-15
19831983-03-071983-11-28
19841984-01-011984-09-26
19851985-04-291985-10-12
19861986-01-251986-09-16
19871987-03-211987-09-25
19881988-03-241988-12-27
19891989-01-161989-11-15
19901990-03-121990-10-20
19911991-02-271991-10-01
20202020-01-112020-10-13
20212021-01-262021-11-29
20252025-05-182025-10-25

Every Fixed Threshold

Fixed thresholds at Dukstas
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days10n/a1
0 C (32 F): Ice days (max10n/a31
0 C (32 F): Frost days (min10n/a87
-10 C (14 F): Days with min10n/a8
10 mm (0.39 in): Days with 10 mm or more rain182019906
25 mm (0.98 in): Days with 25 mm or more rain15319781
50 mm (1.97 in): Days with 50 mm or more rain2119801

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2025.

Download the Data

  • Data for Dukstas 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).