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

Ilomantsi Naarva Threshold Days by Year (FIE00145007)

10 fixed thresholds counted per year at Ilomantsi Naarva (FIE00145007): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ilomantsi Naarva Thresholds

  • Ilomantsi Naarva: days with 10 mm (0.39 in) or more of precipitation in 50 years, most in 2020 with 27.
  • Ilomantsi Naarva: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1988 with 4.
  • Ilomantsi Naarva: days with a maximum temperature at or below 0 C (32 F) in 14 years, most in 1992 with 145.
  • Ilomantsi Naarva: nights with a minimum temperature at or below 0 C (32 F) in 14 years, most in 1993 with 217.
  • 10 fixed thresholds have at least one qualifying day at Ilomantsi Naarva.
14 years with a qualifying day
Nights at or below 0 C (32 F) per year at Ilomantsi Naarva Days per year at Ilomantsi Naarva with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 217 in 1993. 01002003001990: 1931991: 1881992: 2051993: 2171994: 1961995: 1981996: 1941997: 2141998: 1861999: 1852000: 1682001: 1862002: 2102003: 1891990199219941996199820002002
Days per year at Ilomantsi Naarva with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 217 in 1993.
Nights at or below 0 C (32 F) per year at Ilomantsi Naarva
YearDaysDecade average
1990193197.6
1991188197.6
1992205197.6
1993217197.6
1994196197.6
1995198197.6
1996194197.6
1997214197.6
1998186197.6
1999185197.6
2000168188.3
2001186188.3
2002210188.3
2003189188.3
First to last qualifying date each year at Ilomantsi Naarva For each year, a bar from the first to the last day at Ilomantsi Naarva meeting 0 C (32 F). 1990: 1 January 1990 to 31 December 19901991: 1 January 1991 to 31 December 19911992: 1 January 1992 to 31 December 19921993: 1 January 1993 to 31 December 19931994: 1 January 1994 to 31 December 19941995: 1 January 1995 to 31 December 19951996: 1 January 1996 to 31 December 19961997: 1 January 1997 to 31 December 19971998: 1 January 1998 to 31 December 19981999: 1 January 1999 to 31 December 19992000: 1 January 2000 to 31 December 20002001: 1 January 2001 to 31 December 20012002: 1 January 2002 to 31 December 20022003: 1 January 2003 to 31 December 20031990199219941996199820002002JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ilomantsi Naarva meeting 0 C (32 F).
First to last qualifying date each year at Ilomantsi Naarva
YearFirst dateLast date
19901990-01-011990-12-31
19911991-01-011991-12-31
19921992-01-011992-12-31
19931993-01-011993-12-31
19941994-01-011994-12-31
19951995-01-011995-12-31
19961996-01-011996-12-31
19971997-01-011997-12-31
19981998-01-011998-12-31
19991999-01-011999-12-31
20002000-01-012000-12-31
20012001-01-012001-12-31
20022002-01-012002-12-31
20032003-01-012003-12-31

Every Fixed Threshold

Fixed thresholds at Ilomantsi Naarva
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1219992
0 C (32 F): Ice days (max141451992122
0 C (32 F): Frost days (min142171993189
-10 C (14 F): Days with min1498199866
-20 C (-4 F): Days with min1423199820
-30 C (-22 F): Days with min3420034
20 C (68 F): Tropical nights (min1220032
10 mm (0.39 in): Days with 10 mm or more rain5027202018
25 mm (0.98 in): Days with 25 mm or more rain40419882
50 mm (1.97 in): Days with 50 mm or more rain5120081

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1999.

Download the Data

  • Data for Ilomantsi Naarva 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).