Nattavaara_By Threshold Days by Year (SWE00140774)

9 fixed thresholds counted per year at Nattavaara_By (SWE00140774): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Nattavaara_By Thresholds

Nattavaara_By: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1998 with 17.
Nattavaara_By: days with a maximum temperature at or below 0 C (32 F) in 23 years, most in 1966 with 161.
Nattavaara_By: nights with a minimum temperature at or below 0 C (32 F) in 23 years, most in 1968 with 252.
Nattavaara_By: nights with a minimum temperature at or below -10 C (14 F) in 23 years, most in 1968 with 142.
9 fixed thresholds have at least one qualifying day at Nattavaara_By.

Nights at or below 0 C (32 F)

23 years with a qualifying day

Days per year at Nattavaara_By with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 252 in 1968.

Nights at or below 0 C (32 F) per year at Nattavaara_By
Year	Days	Decade average
1963	186	227.4
1964	221	227.4
1965	240	227.4
1966	238	227.4
1968	252	227.4
1971	248	238.4
1972	244	238.4
1973	245	238.4
1974	221	238.4
1975	224	238.4
1976	242	238.4
1977	245	238.4
1990	188	217.4
1994	231	217.4
1995	227	217.4
1996	225	217.4
1997	225	217.4
1998	222	217.4
1999	204	217.4
2000	195	208.8
2001	211	208.8
2002	218	208.8
2003	211	208.8

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

First to last qualifying date each year at Nattavaara_By
Year	First date	Last date
1963	1963-01-01	1963-12-31
1964	1964-01-01	1964-12-31
1965	1965-01-01	1965-12-31
1966	1966-01-01	1966-12-31
1968	1968-01-01	1968-12-31
1971	1971-01-01	1971-12-31
1972	1972-01-01	1972-12-31
1973	1973-01-01	1973-12-31
1974	1974-01-01	1974-12-31
1975	1975-01-01	1975-12-31
1976	1976-01-01	1976-12-31
1977	1977-01-01	1977-12-31
1990	1990-01-02	1990-12-31
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
1999	1999-01-01	1999-12-31
2000	2000-01-01	2000-12-31
2001	2001-01-01	2001-12-31
2002	2002-01-01	2002-12-31
2003	2003-01-01	2003-12-31

Every Fixed Threshold

Fixed thresholds at Nattavaara_By
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	1	2	1966	2
0 C (32 F): Ice days (max	23	161	1966	119
0 C (32 F): Frost days (min	23	252	1968	211
-10 C (14 F): Days with min	23	142	1968	96
-20 C (-4 F): Days with min	23	69	1968	31
-30 C (-22 F): Days with min	19	23	1966	2
-40 C (-40 F): Days with min	2	3	1966	1
10 mm (0.39 in): Days with 10 mm or more rain	28	17	1998	9
25 mm (0.98 in): Days with 25 mm or more rain	16	3	1999	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.

Download the Data

Data for Nattavaara_By 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).

Nattavaara_By Threshold Days by Year (SWE00140774)

Key Facts for Nattavaara_By Thresholds

Nights at or below 0 C (32 F)

Every Fixed Threshold

Download the Data

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