Built 2026-10-19 (19 October 2026)

Duki Threshold Days by Year (RSM00031482)

12 fixed thresholds counted per year at Duki (RSM00031482): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Duki Thresholds

  • Duki: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1972 with 33.
  • Duki: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1984 with 9.
  • Duki: days with a maximum temperature at or above 30 C (86 F) in 20 years, most in 1980 with 31.
  • Duki: days with a maximum temperature at or below 0 C (32 F) in 20 years, most in 1981 with 155.
  • 12 fixed thresholds have at least one qualifying day at Duki.
20 years with a qualifying day
Days at or above 30 C (86 F) per year at Duki Days per year at Duki with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 31 in 1980. 0102030401969: 81970: 151973: 71975: 151976: 41977: 131978: 141979: 71980: 311981: 71982: 161983: 151984: 101985: 51986: 171987: 91988: 241989: 131990: 161991: 41969197319761978198019821984198619881990
Days per year at Duki with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 31 in 1980.
Days at or above 30 C (86 F) per year at Duki
YearDaysDecade average
196988
19701510.7
1973710.7
19751510.7
1976410.7
19771310.7
19781410.7
1979710.7
19803114.7
1981714.7
19821614.7
19831514.7
19841014.7
1985514.7
19861714.7
1987914.7
19882414.7
19891314.7
19901610
1991410
First to last qualifying date each year at Duki For each year, a bar from the first to the last day at Duki meeting 30 C (86 F). 1969: 22 June 1969 to 20 July 19691970: 2 July 1970 to 24 August 19701973: 24 May 1973 to 7 August 19731975: 27 May 1975 to 20 August 19751976: 18 July 1976 to 21 July 19761977: 12 May 1977 to 30 August 19771978: 7 June 1978 to 18 August 19781979: 23 May 1979 to 11 August 19791980: 19 June 1980 to 7 August 19801981: 20 May 1981 to 24 July 19811982: 21 June 1982 to 26 August 19821983: 4 July 1983 to 16 August 19831984: 21 May 1984 to 7 August 19841985: 1 July 1985 to 1 August 19851986: 4 June 1986 to 22 August 19861987: 1 June 1987 to 17 August 19871988: 24 June 1988 to 12 August 19881989: 1 June 1989 to 11 August 19891990: 18 May 1990 to 21 July 19901991: 20 May 1991 to 18 August 19911969197519781981198419871990JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Duki meeting 30 C (86 F).
First to last qualifying date each year at Duki
YearFirst dateLast date
19691969-06-221969-07-20
19701970-07-021970-08-24
19731973-05-241973-08-07
19751975-05-271975-08-20
19761976-07-181976-07-21
19771977-05-121977-08-30
19781978-06-071978-08-18
19791979-05-231979-08-11
19801980-06-191980-08-07
19811981-05-201981-07-24
19821982-06-211982-08-26
19831983-07-041983-08-16
19841984-05-211984-08-07
19851985-07-011985-08-01
19861986-06-041986-08-22
19871987-06-011987-08-17
19881988-06-241988-08-12
19891989-06-011989-08-11
19901990-05-181990-07-21
19911991-05-201991-08-18

Every Fixed Threshold

Fixed thresholds at Duki
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days203119804
35 C (95 F): Days7519801
90 F (32.2 C): Days1813198010
0 C (32 F): Ice days (max201551981134
0 C (32 F): Frost days (min72331976222
-10 C (14 F): Days with min71581970151
-20 C (-4 F): Days with min71261983126
-30 C (-22 F): Days with min797196975
-40 C (-40 F): Days with min745196914
10 mm (0.39 in): Days with 10 mm or more rain3233197219
25 mm (0.98 in): Days with 25 mm or more rain31919845
50 mm (1.97 in): Days with 50 mm or more rain13319751

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.

Download the Data

  • Data for Duki 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).