Jyvaskyla Keljo Threshold Days by Year (FIE00143802)

10 fixed thresholds counted per year at Jyvaskyla Keljo (FIE00143802): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jyvaskyla Keljo Thresholds

Jyvaskyla Keljo: days with 10 mm (0.39 in) or more of precipitation in 19 years, most in 1987 with 26.
Jyvaskyla Keljo: days with a maximum temperature at or below 0 C (32 F) in 17 years, most in 1987 with 116.
Jyvaskyla Keljo: nights with a minimum temperature at or below 0 C (32 F) in 17 years, most in 1993 with 196.
Jyvaskyla Keljo: nights with a minimum temperature at or below -10 C (14 F) in 17 years, most in 1985 with 85.
10 fixed thresholds have at least one qualifying day at Jyvaskyla Keljo.

Nights at or below 0 C (32 F)

17 years with a qualifying day

Days per year at Jyvaskyla Keljo with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 196 in 1993.

Nights at or below 0 C (32 F) per year at Jyvaskyla Keljo
Year	Days	Decade average
1982	174	171.8
1983	167	171.8
1984	167	171.8
1985	194	171.8
1986	162	171.8
1987	177	171.8
1988	189	171.8
1989	144	171.8
1990	159	176.8
1991	158	176.8
1992	184	176.8
1993	196	176.8
1994	175	176.8
1995	182	176.8
1996	170	176.8
1997	191	176.8
1998	176	176.8

For each year, a bar from the first to the last day at Jyvaskyla Keljo meeting 0 C (32 F).

First to last qualifying date each year at Jyvaskyla Keljo
Year	First date	Last date
1982	1982-01-01	1982-12-31
1983	1983-01-01	1983-12-31
1984	1984-01-01	1984-12-31
1985	1985-01-01	1985-12-31
1986	1986-01-01	1986-12-31
1987	1987-01-01	1987-12-31
1988	1988-01-01	1988-12-31
1989	1989-01-01	1989-12-31
1990	1990-01-01	1990-12-31
1991	1991-01-01	1991-12-31
1992	1992-01-01	1992-12-31
1993	1993-01-01	1993-12-31
1994	1994-01-01	1994-12-31
1995	1995-01-01	1995-12-31
1996	1996-01-01	1996-12-31
1997	1997-01-01	1997-12-31
1998	1998-01-01	1998-12-31

Every Fixed Threshold

Fixed thresholds at Jyvaskyla Keljo
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	2	6	1994	6
0 C (32 F): Ice days (max	17	116	1987	97
0 C (32 F): Frost days (min	17	196	1993	176
-10 C (14 F): Days with min	17	85	1985	60
-20 C (-4 F): Days with min	17	47	1985	13
-30 C (-22 F): Days with min	4	9	1987	1
20 C (68 F): Tropical nights (min	1	2	1988	2
10 mm (0.39 in): Days with 10 mm or more rain	19	26	1987	12
25 mm (0.98 in): Days with 25 mm or more rain	15	5	1986	1
50 mm (1.97 in): Days with 50 mm or more rain	1	1	1997	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1988.

Download the Data

Data for Jyvaskyla Keljo 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Jyvaskyla Keljo Threshold Days by Year (FIE00143802)

Key Facts for Jyvaskyla Keljo Thresholds

Nights at or below 0 C (32 F)

Every Fixed Threshold

Download the Data

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