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

Dno Threshold Days by Year (RSM00026268)

8 fixed thresholds counted per year at Dno (RSM00026268): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dno Thresholds

  • Dno: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1981 with 24.
  • Dno: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1970 with 5.
  • Dno: days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1965 with 1.
  • 8 fixed thresholds have at least one qualifying day at Dno.
39 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Dno Days per year at Dno with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 1981. 01020301958: 151959: 131962: 191963: 111964: 61965: 101966: 131967: 171968: 151969: 81970: 201971: 141972: 41973: 141974: 221975: 141976: 101977: 141978: 201979: 111980: 111981: 241982: 191983: 171984: 121985: 151986: 151987: 211988: 101989: 181990: 191991: 111992: 171993: 111994: 151995: 172016: 222017: 152025: 151958196419681972197619801984198819922016
Days per year at Dno with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 1981.
Days with 10 mm (0.39 in) or more of precipitation per year at Dno
YearDaysDecade average
19581514
19591314
19621912.4
19631112.4
1964612.4
19651012.4
19661312.4
19671712.4
19681512.4
1969812.4
19702014.3
19711414.3
1972414.3
19731414.3
19742214.3
19751414.3
19761014.3
19771414.3
19782014.3
19791114.3
19801116.2
19812416.2
19821916.2
19831716.2
19841216.2
19851516.2
19861516.2
19872116.2
19881016.2
19891816.2
19901915
19911115
19921715
19931115
19941515
19951715
20162218.5
20171518.5
20251515
First to last qualifying date each year at Dno For each year, a bar from the first to the last day at Dno meeting 10 mm (0.39 in). 1958: 25 January 1958 to 15 December 19581959: 5 January 1959 to 23 November 19591962: 13 January 1962 to 22 November 19621963: 6 February 1963 to 12 October 19631964: 15 May 1964 to 15 November 19641965: 1 January 1965 to 22 November 19651966: 23 January 1966 to 14 December 19661967: 10 April 1967 to 22 October 19671968: 22 January 1968 to 10 October 19681969: 9 March 1969 to 7 December 19691970: 27 April 1970 to 31 December 19701971: 23 March 1971 to 22 December 19711972: 14 May 1972 to 29 September 19721973: 21 February 1973 to 23 November 19731974: 19 January 1974 to 10 December 19741975: 10 January 1975 to 29 December 19751976: 8 January 1976 to 8 October 19761977: 28 March 1977 to 24 December 19771978: 15 March 1978 to 23 November 19781979: 28 April 1979 to 30 November 19791980: 5 May 1980 to 1 September 19801981: 1 January 1981 to 24 December 19811982: 26 January 1982 to 21 December 19821983: 21 January 1983 to 27 November 19831984: 26 April 1984 to 9 November 19841985: 13 June 1985 to 11 November 19851986: 12 April 1986 to 21 December 19861987: 25 January 1987 to 13 November 19871988: 31 May 1988 to 19 November 19881989: 15 January 1989 to 29 September 19891990: 28 January 1990 to 21 October 19901991: 21 March 1991 to 24 December 19911992: 4 January 1992 to 12 December 19921993: 14 January 1993 to 20 December 19931994: 24 March 1994 to 21 November 19941995: 27 January 1995 to 8 October 19952016: 12 January 2016 to 26 November 20162017: 15 January 2017 to 30 October 20172025: 11 January 2025 to 20 August 202519581965197019751980198519901995JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Dno meeting 10 mm (0.39 in).
First to last qualifying date each year at Dno
YearFirst dateLast date
19581958-01-251958-12-15
19591959-01-051959-11-23
19621962-01-131962-11-22
19631963-02-061963-10-12
19641964-05-151964-11-15
19651965-01-011965-11-22
19661966-01-231966-12-14
19671967-04-101967-10-22
19681968-01-221968-10-10
19691969-03-091969-12-07
19701970-04-271970-12-31
19711971-03-231971-12-22
19721972-05-141972-09-29
19731973-02-211973-11-23
19741974-01-191974-12-10
19751975-01-101975-12-29
19761976-01-081976-10-08
19771977-03-281977-12-24
19781978-03-151978-11-23
19791979-04-281979-11-30
19801980-05-051980-09-01
19811981-01-011981-12-24
19821982-01-261982-12-21
19831983-01-211983-11-27
19841984-04-261984-11-09
19851985-06-131985-11-11
19861986-04-121986-12-21
19871987-01-251987-11-13
19881988-05-311988-11-19
19891989-01-151989-09-29
19901990-01-281990-10-21
19911991-03-211991-12-24
19921992-01-041992-12-12
19931993-01-141993-12-20
19941994-03-241994-11-21
19951995-01-271995-10-08
20162016-01-122016-11-26
20172017-01-152017-10-30
20252025-01-112025-08-20

Every Fixed Threshold

Fixed thresholds at Dno
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days10n/a3
0 C (32 F): Ice days (max10n/a20
0 C (32 F): Frost days (min10n/a66
-10 C (14 F): Days with min10n/a12
-20 C (-4 F): Days with min10n/a2
10 mm (0.39 in): Days with 10 mm or more rain3924198115
25 mm (0.98 in): Days with 25 mm or more rain33519701
50 mm (1.97 in): Days with 50 mm or more rain7119651

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 Dno 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).