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

Lammi Kostila Weather Records (FIE00142966)

Record envelope, standing records and threshold days for Lammi Kostila (FIE00142966), Finland, with 39 years of record.

Key Facts for Lammi Kostila

  • Lammi Kostila (FIE00142966) is a weather station in Finland at 61.12 latitude and 25.14 longitude, 132 m (433 ft) above sea level.
  • The station reports from 1968 to 2006, 39 years of record.
  • 0 records set at Lammi Kostila still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Lammi Kostila set a daily record precipitation of 27.6 mm (1.1 in) on 6 September 2006.

About the Station

  • Location: Finland, 61.12 latitude, 25.14 longitude.
  • Elevation: 132 m (433 ft).
  • Period of record: 1968 to 2006, 39 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Lammi Kostila, with 2026 drawn through them The band shows the record high and record low for each calendar day at Lammi Kostila. 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 Lammi Kostila. 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 Lammi Kostila, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
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Which Years Hold Standing Records

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

Wettest Day of Each Month

May: 72.5 mm (2.9 in)
Record daily precipitation for each month at Lammi Kostila The wettest day on record for each calendar month at Lammi Kostila. The most was 72.5 mm (2.9 in) on 31 May 1988. 020406080 Jan: 33.6 mm (1.3 in), 23 January 1995 Jan Feb: 18.8 mm (0.7 in), 25 February 1990 Feb Mar: 23.8 mm (0.9 in), 21 March 1974 Mar Apr: 15.2 mm (0.6 in), 11 April 1974 Apr May: 72.5 mm (2.9 in), 31 May 1988 May Jun: 42.3 mm (1.7 in), 13 June 1981 Jun Jul: 59.2 mm (2.3 in), 22 July 1976 Jul Aug: 69.4 mm (2.7 in), 30 August 1969 Aug Sep: 59.0 mm (2.3 in), 12 September 1988 Sep Oct: 30.2 mm (1.2 in), 8 October 2003 Oct Nov: 33.1 mm (1.3 in), 3 November 2000 Nov Dec: 30.2 mm (1.2 in), 23 December 1991 Dec
The wettest day on record for each calendar month at Lammi Kostila. The most was 72.5 mm (2.9 in) on 31 May 1988.
Record daily precipitation for each month at Lammi Kostila
MonthRecord daily precipitation (mm)Date
Jan33.6 mm (1.3 in)23 January 1995
Feb18.8 mm (0.7 in)25 February 1990
Mar23.8 mm (0.9 in)21 March 1974
Apr15.2 mm (0.6 in)11 April 1974
May72.5 mm (2.9 in)31 May 1988
Jun42.3 mm (1.7 in)13 June 1981
Jul59.2 mm (2.3 in)22 July 1976
Aug69.4 mm (2.7 in)30 August 1969
Sep59.0 mm (2.3 in)12 September 1988
Oct30.2 mm (1.2 in)8 October 2003
Nov33.1 mm (1.3 in)3 November 2000
Dec30.2 mm (1.2 in)23 December 1991

Latest Records

20
Latest records at Lammi Kostila
DateStationRecordValueBeat old record byOld record stoodSignificance
6 September 2006Lammi Kostila, FIdaily rain27.6 mm (1.1 in)19.5 mm (0.8 in)8 years39 of 100 (Notable)
5 April 2006Lammi Kostila, FIdaily rain7.3 mm (0.29 in)1.0 mm (0.04 in)29 years13 of 100 (Routine)
19 March 2006Lammi Kostila, FIdaily rain (Tie)3.8 mm (0.15 in)tie36 years3 of 100 (Routine)
18 March 2006Lammi Kostila, FIdaily rain7.0 mm (0.28 in)2.7 mm (0.11 in)8 years13 of 100 (Routine)
1 February 2006Lammi Kostila, FIdaily rain10.5 mm (0.4 in)0.1 mm (0.00 in)11 years6 of 100 (Routine)
25 December 2005Lammi Kostila, FIdaily rain15.0 mm (0.6 in)8.2 mm (0.32 in)0 years20 of 100 (Routine)
15 December 2005Lammi Kostila, FIdaily rain11.7 mm (0.5 in)0.7 mm (0.03 in)24 years11 of 100 (Routine)
1 December 2005Lammi Kostila, FIdaily rain4.8 mm (0.19 in)0.2 mm (0.01 in)19 years8 of 100 (Routine)
22 October 2005Lammi Kostila, FIdaily rain21.1 mm (0.8 in)10.7 mm (0.4 in)19 years20 of 100 (Routine)
24 May 2005Lammi Kostila, FIdaily rain13.3 mm (0.5 in)4.0 mm (0.16 in)19 years14 of 100 (Routine)
16 May 2005Lammi Kostila, FIdaily rain13.5 mm (0.5 in)1.6 mm (0.06 in)28 years13 of 100 (Routine)
10 February 2005Lammi Kostila, FIdaily rain9.2 mm (0.36 in)6.3 mm (0.25 in)34 years20 of 100 (Routine)
30 January 2005Lammi Kostila, FIdaily rain11.1 mm (0.4 in)1.4 mm (0.06 in)5 years7 of 100 (Routine)
19 January 2005Lammi Kostila, FIdaily rain8.4 mm (0.33 in)1.9 mm (0.07 in)22 years14 of 100 (Routine)
6 January 2005Lammi Kostila, FIdaily rain6.7 mm (0.26 in)1.7 mm (0.07 in)35 years17 of 100 (Routine)
25 December 2004Lammi Kostila, FIdaily rain6.8 mm (0.27 in)0.8 mm (0.03 in)3 years5 of 100 (Routine)
28 November 2004Lammi Kostila, FIdaily rain24.0 mm (0.9 in)10.2 mm (0.4 in)8 years20 of 100 (Routine)
2 September 2004Lammi Kostila, FIdaily rain22.2 mm (0.9 in)6.3 mm (0.25 in)11 years17 of 100 (Routine)
29 July 2004Lammi Kostila, FIdaily rain26.8 mm (1.1 in)13.4 mm (0.5 in)30 years29 of 100 (Routine)
28 July 2004Lammi Kostila, FIdaily rain54.7 mm (2.2 in)37.2 mm (1.5 in)7 years45 of 100 (Notable)

Extremes by Year

1968 to 2006
Yearly extremes at Lammi Kostila: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)72.5 mm (2.9 in)198832.1 mm (1.3 in)39
Wettest five days (Rx5day)121.9 mm (4.8 in)200460.5 mm (2.4 in)39
Longest dry spell (CDD)45 days199727 days39

Wettest day (Rx1day)

Wettest day (Rx1day) at Lammi Kostila by year The wettest day of the year at Lammi Kostila, 1968 to 2006. The record is 72.5 mm (2.9 in) in 1988, marked on the chart; the median year is 32.1 mm (1.3 in). 0204060801970198019902000Record: 72.5 mm (2.9 in) in 1988
The wettest day of the year at Lammi Kostila, 1968 to 2006. The record is 72.5 mm (2.9 in) in 1988, marked on the chart; the median year is 32.1 mm (1.3 in).
Wettest day (Rx1day) at Lammi Kostila by year
YearWettest day (Rx1day)
196813.3 mm (0.5 in)
196969.4 mm (2.7 in)
197034.1 mm (1.3 in)
197124.4 mm (1.0 in)
197259.0 mm (2.3 in)
197321.4 mm (0.8 in)
197432.0 mm (1.3 in)
197528.9 mm (1.1 in)
197659.2 mm (2.3 in)
197734.4 mm (1.4 in)
197821.0 mm (0.8 in)
197924.3 mm (1.0 in)
198032.1 mm (1.3 in)
198142.3 mm (1.7 in)
198222.5 mm (0.9 in)
198325.4 mm (1.0 in)
198437.0 mm (1.5 in)
198550.8 mm (2.0 in)
198645.5 mm (1.8 in)
198734.3 mm (1.4 in)
198872.5 mm (2.9 in)
198927.0 mm (1.1 in)
199019.9 mm (0.8 in)
199130.2 mm (1.2 in)
199233.2 mm (1.3 in)
199330.6 mm (1.2 in)
199439.7 mm (1.6 in)
199540.9 mm (1.6 in)
199647.6 mm (1.9 in)
199743.1 mm (1.7 in)
199823.1 mm (0.9 in)
199921.4 mm (0.8 in)
200033.1 mm (1.3 in)
200132.7 mm (1.3 in)
200225.1 mm (1.0 in)
200330.2 mm (1.2 in)
200454.7 mm (2.2 in)
200521.1 mm (0.8 in)
200627.6 mm (1.1 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Lammi Kostila by year The wettest five days of the year at Lammi Kostila, 1968 to 2006. The record is 121.9 mm (4.8 in) in 2004, marked on the chart; the median year is 60.5 mm (2.4 in). 2550751001251970198019902000Record: 121.9 mm (4.8 in) in 2004
The wettest five days of the year at Lammi Kostila, 1968 to 2006. The record is 121.9 mm (4.8 in) in 2004, marked on the chart; the median year is 60.5 mm (2.4 in).
Wettest five days (Rx5day) at Lammi Kostila by year
YearWettest five days (Rx5day)
196827.0 mm (1.1 in)
196979.0 mm (3.1 in)
197057.9 mm (2.3 in)
197149.5 mm (1.9 in)
197274.0 mm (2.9 in)
197347.3 mm (1.9 in)
197479.3 mm (3.1 in)
197535.0 mm (1.4 in)
197660.5 mm (2.4 in)
197752.6 mm (2.1 in)
197844.8 mm (1.8 in)
197965.3 mm (2.6 in)
198053.3 mm (2.1 in)
198168.3 mm (2.7 in)
198249.0 mm (1.9 in)
198365.1 mm (2.6 in)
198461.0 mm (2.4 in)
198562.5 mm (2.5 in)
198651.9 mm (2.0 in)
198763.8 mm (2.5 in)
198875.8 mm (3.0 in)
198953.9 mm (2.1 in)
199036.1 mm (1.4 in)
199139.4 mm (1.6 in)
199245.7 mm (1.8 in)
199364.6 mm (2.5 in)
199463.1 mm (2.5 in)
199543.4 mm (1.7 in)
1996101.7 mm (4.0 in)
199775.5 mm (3.0 in)
199862.4 mm (2.5 in)
199946.2 mm (1.8 in)
200055.0 mm (2.2 in)
200161.4 mm (2.4 in)
200260.6 mm (2.4 in)
200377.6 mm (3.1 in)
2004121.9 mm (4.8 in)
200534.7 mm (1.4 in)
200639.8 mm (1.6 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Lammi Kostila by year The longest dry spell of the year at Lammi Kostila, 1968 to 2006. The record is 45 days in 1997, marked on the chart; the median year is 27 days. 10203040501970198019902000Record: 45 days in 1997
The longest dry spell of the year at Lammi Kostila, 1968 to 2006. The record is 45 days in 1997, marked on the chart; the median year is 27 days.
Longest dry spell (CDD) at Lammi Kostila by year
YearLongest dry spell (CDD)
196817 days
196928 days
197028 days
197114 days
197242 days
197315 days
197425 days
197516 days
197619 days
197716 days
197832 days
197926 days
198041 days
198117 days
198215 days
198324 days
198420 days
198515 days
198626 days
198725 days
198826 days
198930 days
199029 days
199114 days
199228 days
199330 days
199432 days
199522 days
199638 days
199745 days
199840 days
199939 days
200027 days
200129 days
200230 days
200341 days
200417 days
200543 days
200629 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

35 years, 1969 to 2005

A day with at least 32.2 mm (1.3 in) of rain is expected about once in 2 years. A day with at least 88.5 mm (3.5 in) of rain is expected about once in 100 years.

Rainfall return levels at Lammi Kostila: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years32.2 mm (1.3 in)
5 years44.0 mm (1.7 in)
10 years52.9 mm (2.1 in)
25 years65.8 mm (2.6 in)
50 years76.6 mm (3.0 in)Longer than the 35 years of record
100 years88.5 mm (3.5 in)Longer than the 35 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, 35 years of values from 1969 to 2005.

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: 72.5 mm (2.9 in) in 1988; 69.4 mm (2.7 in) in 1969; 59.2 mm (2.3 in) in 1976.

Download the Data

  • Data for Lammi Kostila standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Lammi Kostila 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

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