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Built 2026-10-17 (17 October 2026)

Nurmijarvi Geofysiikan Observa Weather Records (FIE00142846)

Record envelope, standing records and threshold days for Nurmijarvi Geofysiikan Observa (FIE00142846), Finland, with 57 years of record.

Key Facts for Nurmijarvi Geofysiikan Observa

  • Nurmijarvi Geofysiikan Observa (FIE00142846) is a weather station in Finland at 60.51 latitude and 24.66 longitude, 111 m (364 ft) above sea level.
  • The station reports from 1970 to 2026, 57 years of record.
  • 1,464 records set at Nurmijarvi Geofysiikan Observa still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Nurmijarvi Geofysiikan Observa set a daily record precipitation of 4.3 mm (0.17 in) on 13 May 2026.

About the Station

  • Location: Finland, 60.51 latitude, 24.66 longitude.
  • Elevation: 111 m (364 ft).
  • Period of record: 1970 to 2026, 57 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

12 days at or beyond a record
Daily record high and record low at Nurmijarvi Geofysiikan Observa, with 2026 drawn through them The band shows the record high and record low for each calendar day at Nurmijarvi Geofysiikan Observa. The lines show the 2026 daily maximum and minimum. 12 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Nurmijarvi Geofysiikan Observa. The lines show the 2026 daily maximum and minimum. 12 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Nurmijarvi Geofysiikan Observa, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan7.8 C (46.0 F)-29.1 C (-20.4 F)0.2 C (32.4 F)-22.0 C (-7.6 F)
Feb7.4 C (45.3 F)-27.9 C (-18.2 F)3.1 C (37.6 F)-22.8 C (-9.0 F)
Mar15.6 C (60.1 F)-23.0 C (-9.4 F)10.9 C (51.6 F)-3.2 C (26.2 F)
Apr24.1 C (75.4 F)-11.3 C (11.7 F)15.3 C (59.5 F)-3.0 C (26.6 F)
May29.9 C (85.8 F)-3.6 C (25.5 F)24.6 C (76.3 F)-1.9 C (28.6 F)
Jun31.8 C (89.2 F)1.4 C (34.5 F)27.3 C (81.1 F)8.9 C (48.0 F)
Jul33.6 C (92.5 F)4.2 C (39.6 F)27.2 C (81.0 F)8.0 C (46.4 F)
Aug32.0 C (89.6 F)2.5 C (36.5 F)25.1 C (77.2 F)8.3 C (46.9 F)
Sep26.2 C (79.2 F)-2.4 C (27.7 F)n/an/a
Oct16.8 C (62.2 F)-11.8 C (10.8 F)n/an/a
Nov12.5 C (54.5 F)-19.2 C (-2.6 F)n/an/a
Dec10.1 C (50.2 F)-26.8 C (-16.2 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Nurmijarvi Geofysiikan Observa by the year they were set 1,464 records at Nurmijarvi Geofysiikan Observa still stand. 2002 holds the most, with 77. 0204060801999: 92000: 452001: 692002: 772003: 622004: 422005: 452006: 732007: 452008: 422009: 482010: 712011: 542012: 412013: 502014: 712015: 542016: 432017: 392018: 582019: 552020: 732021: 722022: 512023: 382024: 652025: 492026: 231999200220052008201120142017202020232026
1,464 records at Nurmijarvi Geofysiikan Observa still stand. 2002 holds the most, with 77.
Standing records at Nurmijarvi Geofysiikan Observa by the year they were set
Year setStanding records
19999
200045
200169
200277
200362
200442
200545
200673
200745
200842
200948
201071
201154
201241
201350
201471
201554
201643
201739
201858
201955
202073
202172
202251
202338
202465
202549
202623

Wettest Day of Each Month

Oct: 48.4 mm (1.9 in)
Record daily precipitation for each month at Nurmijarvi Geofysiikan Observa The wettest day on record for each calendar month at Nurmijarvi Geofysiikan Observa. The most was 48.4 mm (1.9 in) on 4 October 2006. 0204060 Jan: 28.3 mm (1.1 in), 31 January 2004 Jan Feb: 29.1 mm (1.1 in), 16 February 2020 Feb Mar: 19.6 mm (0.8 in), 30 March 2015 Mar Apr: 25.2 mm (1.0 in), 2 April 2024 Apr May: 35.3 mm (1.4 in), 5 May 2002 May Jun: 38.5 mm (1.5 in), 30 June 2004 Jun Jul: 40.5 mm (1.6 in), 8 July 1998 Jul Aug: 44.6 mm (1.8 in), 27 August 2006 Aug Sep: 43.1 mm (1.7 in), 23 September 2012 Sep Oct: 48.4 mm (1.9 in), 4 October 2006 Oct Nov: 46.6 mm (1.8 in), 5 November 2000 Nov Dec: 27.2 mm (1.1 in), 15 December 1982 Dec
The wettest day on record for each calendar month at Nurmijarvi Geofysiikan Observa. The most was 48.4 mm (1.9 in) on 4 October 2006.
Record daily precipitation for each month at Nurmijarvi Geofysiikan Observa
MonthRecord daily precipitation (mm)Date
Jan28.3 mm (1.1 in)31 January 2004
Feb29.1 mm (1.1 in)16 February 2020
Mar19.6 mm (0.8 in)30 March 2015
Apr25.2 mm (1.0 in)2 April 2024
May35.3 mm (1.4 in)5 May 2002
Jun38.5 mm (1.5 in)30 June 2004
Jul40.5 mm (1.6 in)8 July 1998
Aug44.6 mm (1.8 in)27 August 2006
Sep43.1 mm (1.7 in)23 September 2012
Oct48.4 mm (1.9 in)4 October 2006
Nov46.6 mm (1.8 in)5 November 2000
Dec27.2 mm (1.1 in)15 December 1982

Period of Record Coverage

1999 to 2026
Days with data per year at Nurmijarvi Geofysiikan Observa 28 years of record at Nurmijarvi Geofysiikan Observa, 1999 to 2026. 4 years have data for under 90 percent of days and are left out of rankings: 1999, 2024, 2025, 2026. 1999: 108 of 365 days2000: 357 of 366 days2001: 365 of 365 days2002: 365 of 365 days2003: 365 of 365 days2004: 366 of 366 days2005: 361 of 365 days2006: 365 of 365 days2007: 365 of 365 days2008: 366 of 366 days2009: 365 of 365 days2010: 365 of 365 days2011: 365 of 365 days2012: 366 of 366 days2013: 365 of 365 days2014: 365 of 365 days2015: 365 of 365 days2016: 366 of 366 days2017: 365 of 365 days2018: 363 of 365 days2019: 365 of 365 days2020: 366 of 366 days2021: 365 of 365 days2022: 365 of 365 days2023: 365 of 365 days2024: 317 of 366 days2025: 275 of 365 days2026: 243 of 365 days200020052010201520202025
28 years of record at Nurmijarvi Geofysiikan Observa, 1999 to 2026. 4 years have data for under 90 percent of days and are left out of rankings: 1999, 2024, 2025, 2026.
Days with data per year at Nurmijarvi Geofysiikan Observa
YearDays with dataShare of yearComplete
199910830%No
200035798%Yes
2001365100%Yes
2002365100%Yes
2003365100%Yes
2004366100%Yes
200536199%Yes
2006365100%Yes
2007365100%Yes
2008366100%Yes
2009365100%Yes
2010365100%Yes
2011365100%Yes
2012366100%Yes
2013365100%Yes
2014365100%Yes
2015365100%Yes
2016366100%Yes
2017365100%Yes
201836399%Yes
2019365100%Yes
2020366100%Yes
2021365100%Yes
2022365100%Yes
2023365100%Yes
202431787%No
202527575%No
202624367%No

Latest Records

20
Latest records at Nurmijarvi Geofysiikan Observa
DateStationRecordValueBeat old record byOld record stoodSignificance
13 May 2026Nurmijarvi Geofysiikan Observa, FIdaily rain4.3 mm (0.17 in)0.4 mm (0.02 in)48 years19 of 100 (Routine)
8 December 2025Nurmijarvi Geofysiikan Observa, FIdaily rain10.9 mm (0.4 in)3.3 mm (0.13 in)6 years15 of 100 (Routine)
21 September 2025Nurmijarvi Geofysiikan Observa, FIdaily rain24.5 mm (1.0 in)10.3 mm (0.4 in)14 years20 of 100 (Routine)
16 September 2025Nurmijarvi Geofysiikan Observa, FIdaily rain15.4 mm (0.6 in)1.2 mm (0.05 in)15 years11 of 100 (Routine)
5 August 2025Nurmijarvi Geofysiikan Observa, FIdaily rain10.7 mm (0.4 in)0.9 mm (0.04 in)40 years18 of 100 (Routine)
1 August 2025Nurmijarvi Geofysiikan Observa, FIdaily rain24.4 mm (1.0 in)2.6 mm (0.10 in)23 years14 of 100 (Routine)
5 July 2025Nurmijarvi Geofysiikan Observa, FIdaily rain20.7 mm (0.8 in)8.1 mm (0.32 in)4 years19 of 100 (Routine)
24 June 2025Nurmijarvi Geofysiikan Observa, FIdaily rain24.3 mm (1.0 in)9.4 mm (0.37 in)44 years20 of 100 (Routine)
1 November 2024Nurmijarvi Geofysiikan Observa, FIdaily rain13.4 mm (0.5 in)0.4 mm (0.02 in)52 years20 of 100 (Routine)
9 October 2024Nurmijarvi Geofysiikan Observa, FIdaily rain27.2 mm (1.1 in)5.3 mm (0.21 in)51 years29 of 100 (Routine)
27 September 2024Nurmijarvi Geofysiikan Observa, FIdaily rain23.4 mm (0.9 in)5.6 mm (0.22 in)12 years19 of 100 (Routine)
26 September 2024Nurmijarvi Geofysiikan Observa, FIdaily rain15.5 mm (0.6 in)1.7 mm (0.07 in)50 years20 of 100 (Routine)
13 September 2024Nurmijarvi Geofysiikan Observa, FIdaily rain30.4 mm (1.2 in)15.5 mm (0.6 in)13 years38 of 100 (Notable)
30 August 2024Nurmijarvi Geofysiikan Observa, FIdaily rain13.5 mm (0.5 in)0.9 mm (0.04 in)49 years20 of 100 (Routine)
9 June 2024Nurmijarvi Geofysiikan Observa, FIdaily rain18.9 mm (0.7 in)5.6 mm (0.22 in)23 years20 of 100 (Routine)
22 April 2024Nurmijarvi Geofysiikan Observa, FIdaily rain21.8 mm (0.9 in)14.5 mm (0.6 in)14 years20 of 100 (Routine)
2 April 2024Nurmijarvi Geofysiikan Observa, FImonthly rain25.2 mm (1.0 in)0.2 mm (0.01 in)22 years21 of 100 (Routine)
16 March 2024Nurmijarvi Geofysiikan Observa, FIdaily rain14.1 mm (0.6 in)4.8 mm (0.19 in)41 years20 of 100 (Routine)
24 February 2024Nurmijarvi Geofysiikan Observa, FIdaily rain10.3 mm (0.4 in)2.6 mm (0.10 in)16 years16 of 100 (Routine)
21 February 2024Nurmijarvi Geofysiikan Observa, FIdaily rain6.6 mm (0.26 in)1.1 mm (0.04 in)1 year8 of 100 (Routine)

Climate Trend

24 complete years, 2000 to 2023
Annual mean temperature at Nurmijarvi Geofysiikan Observa as warming stripes, 2000 to 2023 One stripe for each of 24 complete years at Nurmijarvi Geofysiikan Observa, 2000 to 2023. Blue stripes are years cooler than the station's own mean of 5.6 C (42.1 F); red stripes are warmer. The coolest year was 2010, at 3.9 C (39.0 F), and the warmest was 2020, at 7.4 C (45.3 F). The strongest colour marks a difference of 1.8 C (3.2 F). 2000: 6.2 C, +0.6 C from the station mean2001: 4.7 C, -0.9 C from the station mean2002: 5.1 C, -0.6 C from the station mean2003: 4.8 C, -0.8 C from the station mean2004: 4.8 C, -0.9 C from the station mean2005: 5.1 C, -0.5 C from the station mean2006: 5.6 C, 0.0 C from the station mean2007: 5.8 C, +0.2 C from the station mean2008: 6.3 C, +0.7 C from the station mean2009: 4.9 C, -0.7 C from the station mean2010: 3.9 C, -1.7 C from the station mean2011: 6.2 C, +0.5 C from the station mean2012: 4.6 C, -1.0 C from the station mean2013: 5.9 C, +0.3 C from the station mean2014: 6.3 C, +0.7 C from the station mean2015: 6.7 C, +1.0 C from the station mean2016: 5.6 C, 0.0 C from the station mean2017: 5.4 C, -0.2 C from the station mean2018: 6.0 C, +0.4 C from the station mean2019: 6.2 C, +0.6 C from the station mean2020: 7.4 C, +1.8 C from the station mean2021: 5.5 C, -0.1 C from the station mean2022: 6.1 C, +0.5 C from the station mean2023: 5.9 C, +0.2 C from the station mean200020022004200620082010201220142016201820202022
One stripe for each of 24 complete years at Nurmijarvi Geofysiikan Observa, 2000 to 2023. Blue stripes are years cooler than the station's own mean of 5.6 C (42.1 F); red stripes are warmer. The coolest year was 2010, at 3.9 C (39.0 F), and the warmest was 2020, at 7.4 C (45.3 F). The strongest colour marks a difference of 1.8 C (3.2 F).
Annual mean temperature at Nurmijarvi Geofysiikan Observa as warming stripes, 2000 to 2023
YearAnnual mean temperatureDifference from the station mean
20006.2 C+0.55 C
20014.7 C-0.89 C
20025.1 C-0.57 C
20034.8 C-0.78 C
20044.8 C-0.86 C
20055.1 C-0.49 C
20065.6 C-0.03 C
20075.8 C+0.20 C
20086.3 C+0.68 C
20094.9 C-0.73 C
20103.9 C-1.71 C
20116.2 C+0.54 C
20124.6 C-1.02 C
20135.9 C+0.27 C
20146.3 C+0.67 C
20156.7 C+1.03 C
20165.6 C-0.02 C
20175.4 C-0.18 C
20186.0 C+0.39 C
20196.2 C+0.57 C
20207.4 C+1.75 C
20215.5 C-0.15 C
20226.1 C+0.45 C
20235.9 C+0.23 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1970 to 2026
Yearly extremes at Nurmijarvi Geofysiikan Observa: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)33.6 C (92.5 F)201029.8 C (85.6 F)28
Coldest night (TNn)-29.1 C (-20.4 F)2003-23.1 C (-9.7 F)28
Wettest day (Rx1day)48.4 mm (1.9 in)200629.0 mm (1.1 in)48
Wettest five days (Rx5day)116.2 mm (4.6 in)200452.9 mm (2.1 in)47
Longest dry spell (CDD)43 days197222 days48

Hottest day (TXx)

Hottest day (TXx) at Nurmijarvi Geofysiikan Observa by year The hottest day of the year at Nurmijarvi Geofysiikan Observa, 1970 to 2026. The record is 33.6 C (92.5 F) in 2010, marked on the chart; the median year is 29.8 C (85.6 F). 1520253035197019801990200020102020Record: 33.6 C (92.5 F) in 2010
The hottest day of the year at Nurmijarvi Geofysiikan Observa, 1970 to 2026. The record is 33.6 C (92.5 F) in 2010, marked on the chart; the median year is 29.8 C (85.6 F).
Hottest day (TXx) at Nurmijarvi Geofysiikan Observa by year
YearHottest day (TXx)
1970n/a
1971n/a
1972n/a
1973n/a
1974n/a
1975n/a
1976n/a
1977n/a
1978n/a
1979n/a
1980n/a
1981n/a
1982n/a
1983n/a
1984n/a
1985n/a
1986n/a
1996n/a
1997n/a
1998n/a
199916.9 C (62.4 F)
200027.6 C (81.7 F)
200129.3 C (84.7 F)
200227.7 C (81.9 F)
200332.0 C (89.6 F)
200427.9 C (82.2 F)
200529.2 C (84.6 F)
200631.4 C (88.5 F)
200727.8 C (82.0 F)
200829.1 C (84.4 F)
200928.2 C (82.8 F)
201033.6 C (92.5 F)
201130.3 C (86.5 F)
201228.0 C (82.4 F)
201330.2 C (86.4 F)
201431.3 C (88.3 F)
201529.8 C (85.6 F)
201626.7 C (80.1 F)
201725.3 C (77.5 F)
201830.8 C (87.4 F)
201930.8 C (87.4 F)
202030.6 C (87.1 F)
202132.8 C (91.0 F)
202231.8 C (89.2 F)
202330.6 C (87.1 F)
202430.9 C (87.6 F)
202529.8 C (85.6 F)
202627.3 C (81.1 F)

Coldest night (TNn)

Coldest night (TNn) at Nurmijarvi Geofysiikan Observa by year The coldest night of the year at Nurmijarvi Geofysiikan Observa, 1970 to 2026. The record is -29.1 C (-20.4 F) in 2003, marked on the chart; the median year is -23.1 C (-9.7 F). -30-25-20-15-10197019801990200020102020Record: -29.1 C (-20.4 F) in 2003
The coldest night of the year at Nurmijarvi Geofysiikan Observa, 1970 to 2026. The record is -29.1 C (-20.4 F) in 2003, marked on the chart; the median year is -23.1 C (-9.7 F).
Coldest night (TNn) at Nurmijarvi Geofysiikan Observa by year
YearColdest night (TNn)
1970n/a
1971n/a
1972n/a
1973n/a
1974n/a
1975n/a
1976n/a
1977n/a
1978n/a
1979n/a
1980n/a
1981n/a
1982n/a
1983n/a
1984n/a
1985n/a
1986n/a
1996n/a
1997n/a
1998n/a
1999-15.6 C (3.9 F)
2000-21.0 C (-5.8 F)
2001-24.6 C (-12.3 F)
2002-26.8 C (-16.2 F)
2003-29.1 C (-20.4 F)
2004-22.4 C (-8.3 F)
2005-20.1 C (-4.2 F)
2006-25.6 C (-14.1 F)
2007-26.7 C (-16.1 F)
2008-14.7 C (5.5 F)
2009-19.5 C (-3.1 F)
2010-26.0 C (-14.8 F)
2011-27.9 C (-18.2 F)
2012-27.3 C (-17.1 F)
2013-27.2 C (-17.0 F)
2014-22.2 C (-8.0 F)
2015-17.6 C (0.3 F)
2016-27.7 C (-17.9 F)
2017-23.1 C (-9.6 F)
2018-23.2 C (-9.8 F)
2019-26.1 C (-15.0 F)
2020-11.8 C (10.8 F)
2021-25.8 C (-14.4 F)
2022-22.1 C (-7.8 F)
2023-18.0 C (-0.4 F)
2024-25.3 C (-13.5 F)
2025-13.1 C (8.4 F)
2026-22.8 C (-9.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Nurmijarvi Geofysiikan Observa by year The wettest day of the year at Nurmijarvi Geofysiikan Observa, 1970 to 2026. The record is 48.4 mm (1.9 in) in 2006, marked on the chart; the median year is 29.0 mm (1.1 in). 0204060197019801990200020102020Record: 48.4 mm (1.9 in) in 2006
The wettest day of the year at Nurmijarvi Geofysiikan Observa, 1970 to 2026. The record is 48.4 mm (1.9 in) in 2006, marked on the chart; the median year is 29.0 mm (1.1 in).
Wettest day (Rx1day) at Nurmijarvi Geofysiikan Observa by year
YearWettest day (Rx1day)
197036.2 mm (1.4 in)
197121.4 mm (0.8 in)
197234.9 mm (1.4 in)
197334.2 mm (1.3 in)
197422.6 mm (0.9 in)
197515.1 mm (0.6 in)
197622.9 mm (0.9 in)
197723.6 mm (0.9 in)
197839.3 mm (1.5 in)
197922.4 mm (0.9 in)
198026.8 mm (1.1 in)
198131.3 mm (1.2 in)
198227.2 mm (1.1 in)
198327.6 mm (1.1 in)
198434.7 mm (1.4 in)
198530.8 mm (1.2 in)
198614.2 mm (0.6 in)
19960.6 mm (0.02 in)
199734.4 mm (1.4 in)
199840.5 mm (1.6 in)
199921.0 mm (0.8 in)
200046.6 mm (1.8 in)
200138.0 mm (1.5 in)
200235.3 mm (1.4 in)
200324.8 mm (1.0 in)
200438.5 mm (1.5 in)
200534.2 mm (1.3 in)
200648.4 mm (1.9 in)
200724.1 mm (0.9 in)
200828.3 mm (1.1 in)
200924.8 mm (1.0 in)
201029.6 mm (1.2 in)
201132.1 mm (1.3 in)
201243.1 mm (1.7 in)
201320.4 mm (0.8 in)
201423.4 mm (0.9 in)
201522.4 mm (0.9 in)
201632.6 mm (1.3 in)
201726.7 mm (1.1 in)
201826.0 mm (1.0 in)
201920.4 mm (0.8 in)
202033.6 mm (1.3 in)
202142.8 mm (1.7 in)
202229.7 mm (1.2 in)
202344.6 mm (1.8 in)
202430.4 mm (1.2 in)
202524.5 mm (1.0 in)
202621.2 mm (0.8 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Nurmijarvi Geofysiikan Observa by year The wettest five days of the year at Nurmijarvi Geofysiikan Observa, 1970 to 2026. The record is 116.2 mm (4.6 in) in 2004, marked on the chart; the median year is 52.9 mm (2.1 in). 255075100125197019801990200020102020Record: 116.2 mm (4.6 in) in 2004
The wettest five days of the year at Nurmijarvi Geofysiikan Observa, 1970 to 2026. The record is 116.2 mm (4.6 in) in 2004, marked on the chart; the median year is 52.9 mm (2.1 in).
Wettest five days (Rx5day) at Nurmijarvi Geofysiikan Observa by year
YearWettest five days (Rx5day)
197081.1 mm (3.2 in)
197146.6 mm (1.8 in)
197268.4 mm (2.7 in)
197361.5 mm (2.4 in)
197462.7 mm (2.5 in)
197529.8 mm (1.2 in)
197640.5 mm (1.6 in)
197741.1 mm (1.6 in)
197863.2 mm (2.5 in)
197938.5 mm (1.5 in)
198055.5 mm (2.2 in)
198163.0 mm (2.5 in)
198250.8 mm (2.0 in)
198348.1 mm (1.9 in)
198460.9 mm (2.4 in)
198549.6 mm (2.0 in)
198629.7 mm (1.2 in)
1996n/a
199745.4 mm (1.8 in)
199879.9 mm (3.1 in)
199947.1 mm (1.9 in)
200066.7 mm (2.6 in)
200166.0 mm (2.6 in)
200252.6 mm (2.1 in)
200350.5 mm (2.0 in)
2004116.2 mm (4.6 in)
200574.6 mm (2.9 in)
200693.7 mm (3.7 in)
200746.8 mm (1.8 in)
200850.5 mm (2.0 in)
200944.8 mm (1.8 in)
201039.8 mm (1.6 in)
201142.2 mm (1.7 in)
201267.3 mm (2.6 in)
201348.4 mm (1.9 in)
201469.2 mm (2.7 in)
201540.7 mm (1.6 in)
201676.3 mm (3.0 in)
201763.7 mm (2.5 in)
201852.9 mm (2.1 in)
201946.0 mm (1.8 in)
202064.3 mm (2.5 in)
202168.0 mm (2.7 in)
202279.0 mm (3.1 in)
202372.2 mm (2.8 in)
202453.0 mm (2.1 in)
202548.6 mm (1.9 in)
202646.3 mm (1.8 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Nurmijarvi Geofysiikan Observa by year The longest dry spell of the year at Nurmijarvi Geofysiikan Observa, 1970 to 2026. The record is 43 days in 1972, marked on the chart; the median year is 22 days. 0204060197019801990200020102020Record: 43 days in 1972
The longest dry spell of the year at Nurmijarvi Geofysiikan Observa, 1970 to 2026. The record is 43 days in 1972, marked on the chart; the median year is 22 days.
Longest dry spell (CDD) at Nurmijarvi Geofysiikan Observa by year
YearLongest dry spell (CDD)
197018 days
197118 days
197243 days
197318 days
197420 days
197517 days
197626 days
197713 days
197823 days
197922 days
198024 days
198119 days
198220 days
198333 days
198418 days
198512 days
19863 days
19961 day
199717 days
199814 days
199915 days
20008 days
200118 days
200228 days
200330 days
200416 days
200525 days
200628 days
200728 days
200823 days
200929 days
201022 days
201129 days
201219 days
201333 days
201421 days
201527 days
201625 days
201717 days
201832 days
201924 days
202015 days
202124 days
202216 days
202326 days
202432 days
202510 days
202626 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.

Frost Dates and Growing Season

24 years with a frost

Across 24 years with a frost, the median last spring frost at Nurmijarvi Geofysiikan Observa falls on 9 May and the median first autumn frost on 2 October, which leaves a median of 149 days between them.

Frost dates and growing season at Nurmijarvi Geofysiikan Observa
MeasureMedian, all yearsEarliest periodRecent period (2000 to 2023)Recent against earliestFitted trend
Last spring frost9 Mayn/a9 Mayn/an/a
First autumn frost2 Octobern/a2 Octobern/an/a
Growing days149 daysn/a149 daysn/an/a

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Rainfall Return Levels

41 years, 1970 to 2023

A day with at least 29.4 mm (1.2 in) of rain is expected about once in 2 years. A day with at least 52.1 mm (2.1 in) of rain is expected about once in 100 years.

Rainfall return levels at Nurmijarvi Geofysiikan Observa: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years29.4 mm (1.2 in)
5 years36.7 mm (1.4 in)
10 years40.9 mm (1.6 in)
25 years45.8 mm (1.8 in)
50 years49.1 mm (1.9 in)Longer than the 41 years of record
100 years52.1 mm (2.1 in)Longer than the 41 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, 41 years of values from 1970 to 2023.

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: 48.4 mm (1.9 in) in 2006; 44.6 mm (1.8 in) in 2023; 43.1 mm (1.7 in) in 2012.

Download the Data

  • Data for Nurmijarvi Geofysiikan Observa standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Nurmijarvi Geofysiikan Observa 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 (2026-10-12).