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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Simo Simoniemi Weather Records (FIE00145857)

Record envelope, standing records and threshold days for Simo Simoniemi (FIE00145857), Finland, with 43 years of record.

Key Facts for Simo Simoniemi

  • Simo Simoniemi (FIE00145857) is a weather station in Finland at 65.65 latitude and 24.90 longitude, 5 m (16 ft) above sea level.
  • The station reports from 1965 to 2007, 43 years of record.
  • 0 records set at Simo Simoniemi still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Simo Simoniemi set a daily record precipitation of 6.2 mm (0.24 in) on 7 December 2007.

About the Station

  • Location: Finland, 65.65 latitude, 24.90 longitude.
  • Elevation: 5 m (16 ft).
  • Period of record: 1965 to 2007, 43 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Simo Simoniemi, with 2026 drawn through them The band shows the record high and record low for each calendar day at Simo Simoniemi. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 000111 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Simo Simoniemi. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Simo Simoniemi, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
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Decn/an/an/an/a

Which Years Hold Standing Records

0 standing records
Standing records at Simo Simoniemi by the year they were set 0 records at Simo Simoniemi still stand. 00000000000
0 records at Simo Simoniemi still stand.
Standing records at Simo Simoniemi by the year they were set
Year setStanding records

Wettest Day of Each Month

Aug: 64.0 mm (2.5 in)
Record daily precipitation for each month at Simo Simoniemi The wettest day on record for each calendar month at Simo Simoniemi. The most was 64.0 mm (2.5 in) on 6 August 1986. 020406080 Jan: 16.0 mm (0.6 in), 29 January 2000 Jan Feb: 12.1 mm (0.5 in), 19 February 1990 Feb Mar: 21.6 mm (0.9 in), 15 March 1967 Mar Apr: 16.0 mm (0.6 in), 7 April 2005 Apr May: 29.6 mm (1.2 in), 28 May 1982 May Jun: 34.5 mm (1.4 in), 10 June 2001 Jun Jul: 47.5 mm (1.9 in), 4 July 1981 Jul Aug: 64.0 mm (2.5 in), 6 August 1986 Aug Sep: 24.7 mm (1.0 in), 2 September 1992 Sep Oct: 36.7 mm (1.4 in), 27 October 1995 Oct Nov: 28.4 mm (1.1 in), 17 November 2006 Nov Dec: 21.5 mm (0.8 in), 19 December 1993 Dec
The wettest day on record for each calendar month at Simo Simoniemi. The most was 64.0 mm (2.5 in) on 6 August 1986.
Record daily precipitation for each month at Simo Simoniemi
MonthRecord daily precipitation (mm)Date
Jan16.0 mm (0.6 in)29 January 2000
Feb12.1 mm (0.5 in)19 February 1990
Mar21.6 mm (0.9 in)15 March 1967
Apr16.0 mm (0.6 in)7 April 2005
May29.6 mm (1.2 in)28 May 1982
Jun34.5 mm (1.4 in)10 June 2001
Jul47.5 mm (1.9 in)4 July 1981
Aug64.0 mm (2.5 in)6 August 1986
Sep24.7 mm (1.0 in)2 September 1992
Oct36.7 mm (1.4 in)27 October 1995
Nov28.4 mm (1.1 in)17 November 2006
Dec21.5 mm (0.8 in)19 December 1993

Latest Records

20
Latest records at Simo Simoniemi
DateStationRecordValueBeat old record byOld record stoodSignificance
7 December 2007Simo Simoniemi, FIdaily rain6.2 mm (0.24 in)0.2 mm (0.01 in)13 years8 of 100 (Routine)
6 December 2007Simo Simoniemi, FIdaily rain15.0 mm (0.6 in)3.8 mm (0.15 in)34 years20 of 100 (Routine)
5 December 2007Simo Simoniemi, FIdaily rain7.8 mm (0.31 in)1.2 mm (0.05 in)0 years8 of 100 (Routine)
9 November 2007Simo Simoniemi, FIdaily rain11.0 mm (0.4 in)1.4 mm (0.06 in)12 years11 of 100 (Routine)
6 November 2007Simo Simoniemi, FIdaily rain14.0 mm (0.6 in)4.3 mm (0.17 in)6 years18 of 100 (Routine)
22 September 2007Simo Simoniemi, FIdaily rain13.0 mm (0.5 in)0.2 mm (0.01 in)32 years13 of 100 (Routine)
25 August 2007Simo Simoniemi, FIdaily rain15.3 mm (0.6 in)2.6 mm (0.10 in)24 years14 of 100 (Routine)
16 August 2007Simo Simoniemi, FIdaily rain17.0 mm (0.7 in)3.7 mm (0.15 in)17 years14 of 100 (Routine)
12 August 2007Simo Simoniemi, FIdaily rain27.0 mm (1.1 in)20.8 mm (0.8 in)14 years39 of 100 (Notable)
12 July 2007Simo Simoniemi, FIdaily rain28.0 mm (1.1 in)7.0 mm (0.28 in)2 years15 of 100 (Routine)
15 May 2007Simo Simoniemi, FIdaily rain4.6 mm (0.18 in)0.1 mm (0.00 in)20 years10 of 100 (Routine)
20 April 2007Simo Simoniemi, FIdaily rain9.6 mm (0.38 in)4.3 mm (0.17 in)33 years20 of 100 (Routine)
10 April 2007Simo Simoniemi, FIdaily rain7.0 mm (0.28 in)2.6 mm (0.10 in)30 years20 of 100 (Routine)
8 March 2007Simo Simoniemi, FIdaily rain7.8 mm (0.31 in)2.5 mm (0.10 in)29 years20 of 100 (Routine)
9 January 2007Simo Simoniemi, FIdaily rain12.8 mm (0.5 in)1.7 mm (0.07 in)5 years11 of 100 (Routine)
4 January 2007Simo Simoniemi, FIdaily rain11.8 mm (0.5 in)7.1 mm (0.28 in)8 years20 of 100 (Routine)
11 December 2006Simo Simoniemi, FIdaily rain19.0 mm (0.7 in)12.1 mm (0.5 in)12 years20 of 100 (Routine)
5 December 2006Simo Simoniemi, FIdaily rain6.6 mm (0.26 in)0.9 mm (0.04 in)8 years9 of 100 (Routine)
25 November 2006Simo Simoniemi, FIdaily rain9.7 mm (0.38 in)0.4 mm (0.02 in)32 years14 of 100 (Routine)
23 November 2006Simo Simoniemi, FIdaily rain11.1 mm (0.4 in)1.0 mm (0.04 in)11 years9 of 100 (Routine)

Extremes by Year

1965 to 2007
Yearly extremes at Simo Simoniemi: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)64.0 mm (2.5 in)198624.4 mm (1.0 in)43
Wettest five days (Rx5day)98.3 mm (3.9 in)199244.6 mm (1.8 in)43
Longest dry spell (CDD)49 days197819 days43

Wettest day (Rx1day)

Wettest day (Rx1day) at Simo Simoniemi by year The wettest day of the year at Simo Simoniemi, 1965 to 2007. The record is 64.0 mm (2.5 in) in 1986, marked on the chart; the median year is 24.4 mm (1.0 in). 0204060801970198019902000Record: 64.0 mm (2.5 in) in 1986
The wettest day of the year at Simo Simoniemi, 1965 to 2007. The record is 64.0 mm (2.5 in) in 1986, marked on the chart; the median year is 24.4 mm (1.0 in).
Wettest day (Rx1day) at Simo Simoniemi by year
YearWettest day (Rx1day)
196523.9 mm (0.9 in)
196624.4 mm (1.0 in)
196721.6 mm (0.9 in)
196819.2 mm (0.8 in)
196914.1 mm (0.6 in)
197020.5 mm (0.8 in)
197122.2 mm (0.9 in)
197226.1 mm (1.0 in)
197325.9 mm (1.0 in)
197416.6 mm (0.7 in)
197523.9 mm (0.9 in)
197623.7 mm (0.9 in)
197731.6 mm (1.2 in)
197817.8 mm (0.7 in)
197928.0 mm (1.1 in)
198017.8 mm (0.7 in)
198147.5 mm (1.9 in)
198229.6 mm (1.2 in)
198329.5 mm (1.2 in)
198446.1 mm (1.8 in)
198520.5 mm (0.8 in)
198664.0 mm (2.5 in)
198742.2 mm (1.7 in)
198820.7 mm (0.8 in)
198915.9 mm (0.6 in)
199015.6 mm (0.6 in)
199123.2 mm (0.9 in)
199241.2 mm (1.6 in)
199323.4 mm (0.9 in)
199415.1 mm (0.6 in)
199536.7 mm (1.4 in)
199619.5 mm (0.8 in)
199732.7 mm (1.3 in)
199825.4 mm (1.0 in)
199931.9 mm (1.3 in)
200020.5 mm (0.8 in)
200134.5 mm (1.4 in)
200226.2 mm (1.0 in)
200328.0 mm (1.1 in)
200423.8 mm (0.9 in)
200528.0 mm (1.1 in)
200628.4 mm (1.1 in)
200728.0 mm (1.1 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Simo Simoniemi by year The wettest five days of the year at Simo Simoniemi, 1965 to 2007. The record is 98.3 mm (3.9 in) in 1992, marked on the chart; the median year is 44.6 mm (1.8 in). 204060801001970198019902000Record: 98.3 mm (3.9 in) in 1992
The wettest five days of the year at Simo Simoniemi, 1965 to 2007. The record is 98.3 mm (3.9 in) in 1992, marked on the chart; the median year is 44.6 mm (1.8 in).
Wettest five days (Rx5day) at Simo Simoniemi by year
YearWettest five days (Rx5day)
196535.1 mm (1.4 in)
196645.1 mm (1.8 in)
196743.3 mm (1.7 in)
196834.8 mm (1.4 in)
196938.6 mm (1.5 in)
197049.9 mm (2.0 in)
197134.6 mm (1.4 in)
197236.2 mm (1.4 in)
197341.1 mm (1.6 in)
197434.2 mm (1.3 in)
197535.8 mm (1.4 in)
197631.4 mm (1.2 in)
197756.2 mm (2.2 in)
197838.2 mm (1.5 in)
197944.6 mm (1.8 in)
198035.9 mm (1.4 in)
198173.5 mm (2.9 in)
198240.4 mm (1.6 in)
198351.9 mm (2.0 in)
198473.3 mm (2.9 in)
198551.8 mm (2.0 in)
198678.9 mm (3.1 in)
198751.5 mm (2.0 in)
198841.3 mm (1.6 in)
198935.9 mm (1.4 in)
199030.6 mm (1.2 in)
199138.6 mm (1.5 in)
199298.3 mm (3.9 in)
199338.0 mm (1.5 in)
199438.0 mm (1.5 in)
199557.9 mm (2.3 in)
199648.7 mm (1.9 in)
199755.5 mm (2.2 in)
199864.1 mm (2.5 in)
199951.5 mm (2.0 in)
200050.9 mm (2.0 in)
200164.4 mm (2.5 in)
200234.5 mm (1.4 in)
200345.7 mm (1.8 in)
200448.0 mm (1.9 in)
200566.4 mm (2.6 in)
200638.1 mm (1.5 in)
200748.1 mm (1.9 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Simo Simoniemi by year The longest dry spell of the year at Simo Simoniemi, 1965 to 2007. The record is 49 days in 1978, marked on the chart; the median year is 19 days. 10203040501970198019902000Record: 49 days in 1978
The longest dry spell of the year at Simo Simoniemi, 1965 to 2007. The record is 49 days in 1978, marked on the chart; the median year is 19 days.
Longest dry spell (CDD) at Simo Simoniemi by year
YearLongest dry spell (CDD)
196525 days
196616 days
196721 days
196831 days
196937 days
197017 days
197119 days
197219 days
197316 days
197423 days
197515 days
197630 days
197719 days
197849 days
197914 days
198019 days
198117 days
198213 days
198321 days
198421 days
198519 days
198624 days
198726 days
198820 days
198924 days
199020 days
199117 days
199229 days
199318 days
199433 days
199525 days
199624 days
199717 days
199814 days
199918 days
200029 days
200119 days
200218 days
200317 days
200417 days
200519 days
200633 days
200725 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Rainfall Return Levels

43 years, 1965 to 2007

A day with at least 24.6 mm (1.0 in) of rain is expected about once in 2 years. A day with at least 63.5 mm (2.5 in) of rain is expected about once in 100 years.

Rainfall return levels at Simo Simoniemi: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years24.6 mm (1.0 in)
5 years32.8 mm (1.3 in)
10 years39.0 mm (1.5 in)
25 years48.0 mm (1.9 in)
50 years55.4 mm (2.2 in)Longer than the 43 years of record
100 years63.5 mm (2.5 in)Longer than the 43 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 43 years of values from 1965 to 2007.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 64.0 mm (2.5 in) in 1986; 47.5 mm (1.9 in) in 1981; 46.1 mm (1.8 in) in 1984.

Download the Data

  • Data for Simo Simoniemi standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Simo Simoniemi 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).