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

Posio Threshold Days by Year (FIE00146047)

3 fixed thresholds counted per year at Posio (FIE00146047): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Posio Thresholds

  • Posio: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1998 with 20.
  • Posio: days with 25 mm (0.98 in) or more of precipitation in 16 years, most in 1988 with 3.
  • Posio: days with 50 mm (1.97 in) or more of precipitation in 2 years, most in 1980 with 1.
  • 3 fixed thresholds have at least one qualifying day at Posio.
27 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Posio Days per year at Posio with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1998. 051015201970: 131971: 71972: 141973: 61974: 141975: 111976: 101977: 111978: 61979: 111980: 81981: 191982: 111983: 121984: 91985: 111986: 91987: 91988: 141989: 181997: 81998: 201999: 112000: 182001: 92002: 122003: 8197019731976197919821985198819982001
Days per year at Posio with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1998.
Days with 10 mm (0.39 in) or more of precipitation per year at Posio
YearDaysDecade average
19701310.3
1971710.3
19721410.3
1973610.3
19741410.3
19751110.3
19761010.3
19771110.3
1978610.3
19791110.3
1980812
19811912
19821112
19831212
1984912
19851112
1986912
1987912
19881412
19891812
1997813
19982013
19991113
20001811.8
2001911.8
20021211.8
2003811.8
First to last qualifying date each year at Posio For each year, a bar from the first to the last day at Posio meeting 10 mm (0.39 in). 1970: 23 May 1970 to 19 December 19701971: 16 May 1971 to 20 October 19711972: 14 June 1972 to 3 December 19721973: 30 April 1973 to 10 December 19731974: 12 February 1974 to 17 September 19741975: 9 April 1975 to 18 November 19751976: 22 June 1976 to 29 November 19761977: 17 March 1977 to 19 November 19771978: 16 April 1978 to 12 September 19781979: 26 April 1979 to 21 September 19791980: 26 June 1980 to 1 December 19801981: 15 January 1981 to 3 December 19811982: 3 April 1982 to 23 October 19821983: 11 January 1983 to 19 October 19831984: 26 January 1984 to 11 October 19841985: 3 April 1985 to 26 October 19851986: 24 January 1986 to 10 November 19861987: 3 February 1987 to 6 September 19871988: 29 May 1988 to 27 October 19881989: 14 January 1989 to 18 September 19891997: 25 February 1997 to 17 September 19971998: 3 January 1998 to 3 December 19981999: 30 May 1999 to 13 December 19992000: 29 January 2000 to 2 December 20002001: 4 April 2001 to 5 September 20012002: 16 May 2002 to 20 December 20022003: 21 January 2003 to 7 October 20031970197419781982198619972001JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Posio meeting 10 mm (0.39 in).
First to last qualifying date each year at Posio
YearFirst dateLast date
19701970-05-231970-12-19
19711971-05-161971-10-20
19721972-06-141972-12-03
19731973-04-301973-12-10
19741974-02-121974-09-17
19751975-04-091975-11-18
19761976-06-221976-11-29
19771977-03-171977-11-19
19781978-04-161978-09-12
19791979-04-261979-09-21
19801980-06-261980-12-01
19811981-01-151981-12-03
19821982-04-031982-10-23
19831983-01-111983-10-19
19841984-01-261984-10-11
19851985-04-031985-10-26
19861986-01-241986-11-10
19871987-02-031987-09-06
19881988-05-291988-10-27
19891989-01-141989-09-18
19971997-02-251997-09-17
19981998-01-031998-12-03
19991999-05-301999-12-13
20002000-01-292000-12-02
20012001-04-042001-09-05
20022002-05-162002-12-20
20032003-01-212003-10-07

Every Fixed Threshold

Fixed thresholds at Posio
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain272019988
25 mm (0.98 in): Days with 25 mm or more rain16319881
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 1970.

Download the Data

  • Data for Posio 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).