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

Louhi Threshold Days by Year (RSM00022318)

2 fixed thresholds counted per year at Louhi (RSM00022318): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Louhi Thresholds

  • Louhi: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1981 with 19.
  • Louhi: days with 25 mm (0.98 in) or more of precipitation in 15 years, most in 1971 with 2.
  • 2 fixed thresholds have at least one qualifying day at Louhi.
25 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Louhi Days per year at Louhi with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 19 in 1981. 051015201966: 121967: 111968: 131969: 81970: 141971: 101972: 111973: 71975: 31979: 71980: 41981: 191982: 101983: 91984: 91985: 81986: 101987: 91988: 31989: 51990: 51991: 111992: 91993: 91994: 10196619691972197919821985198819911994
Days per year at Louhi with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 19 in 1981.
Days with 10 mm (0.39 in) or more of precipitation per year at Louhi
YearDaysDecade average
19661211
19671111
19681311
1969811
1970148.7
1971108.7
1972118.7
197378.7
197538.7
197978.7
198048.6
1981198.6
1982108.6
198398.6
198498.6
198588.6
1986108.6
198798.6
198838.6
198958.6
199058.8
1991118.8
199298.8
199398.8
1994108.8
First to last qualifying date each year at Louhi For each year, a bar from the first to the last day at Louhi meeting 10 mm (0.39 in). 1966: 5 May 1966 to 23 October 19661967: 2 July 1967 to 30 October 19671968: 23 March 1968 to 30 October 19681969: 15 July 1969 to 13 November 19691970: 23 May 1970 to 20 December 19701971: 19 April 1971 to 3 November 19711972: 14 April 1972 to 18 September 19721973: 25 January 1973 to 20 September 19731975: 28 July 1975 to 19 September 19751979: 8 May 1979 to 27 August 19791980: 10 August 1980 to 19 October 19801981: 26 May 1981 to 4 December 19811982: 25 May 1982 to 29 November 19821983: 14 January 1983 to 6 October 19831984: 9 May 1984 to 12 October 19841985: 4 April 1985 to 4 October 19851986: 26 May 1986 to 21 November 19861987: 4 February 1987 to 30 August 19871988: 9 August 1988 to 28 October 19881989: 12 June 1989 to 3 December 19891990: 20 March 1990 to 29 November 19901991: 8 May 1991 to 16 November 19911992: 31 March 1992 to 17 November 19921993: 18 April 1993 to 4 September 19931994: 15 April 1994 to 24 November 19941966197019751982198619901994JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Louhi meeting 10 mm (0.39 in).
First to last qualifying date each year at Louhi
YearFirst dateLast date
19661966-05-051966-10-23
19671967-07-021967-10-30
19681968-03-231968-10-30
19691969-07-151969-11-13
19701970-05-231970-12-20
19711971-04-191971-11-03
19721972-04-141972-09-18
19731973-01-251973-09-20
19751975-07-281975-09-19
19791979-05-081979-08-27
19801980-08-101980-10-19
19811981-05-261981-12-04
19821982-05-251982-11-29
19831983-01-141983-10-06
19841984-05-091984-10-12
19851985-04-041985-10-04
19861986-05-261986-11-21
19871987-02-041987-08-30
19881988-08-091988-10-28
19891989-06-121989-12-03
19901990-03-201990-11-29
19911991-05-081991-11-16
19921992-03-311992-11-17
19931993-04-181993-09-04
19941994-04-151994-11-24

Every Fixed Threshold

Fixed thresholds at Louhi
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2519198110
25 mm (0.98 in): Days with 25 mm or more rain15219711

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.

Download the Data

  • Data for Louhi 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).