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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Norderon Threshold Days by Year (SWE00139970)

10 fixed thresholds counted per year at Norderon (SWE00139970): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Norderon Thresholds

  • Norderon: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1966 with 21.
  • Norderon: days with a maximum temperature at or below 0 C (32 F) in 35 years, most in 2010 with 127.
  • Norderon: nights with a minimum temperature at or below 0 C (32 F) in 35 years, most in 1968 with 199.
  • Norderon: nights with a minimum temperature at or below -10 C (14 F) in 35 years, most in 1966 with 95.
  • 10 fixed thresholds have at least one qualifying day at Norderon.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Norderon Days per year at Norderon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 2018. 01231968: 12018: 32019: 32020: 11968201820192020
Days per year at Norderon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 3 in 2018.
Days at or above 30 C (86 F) per year at Norderon
YearDaysDecade average
196811
201833
201933
202011
First to last qualifying date each year at Norderon For each year, a bar from the first to the last day at Norderon meeting 30 C (86 F). 1968: 3 July 1968 to 3 July 19682018: 16 July 2018 to 24 July 20182019: 25 July 2019 to 28 July 20192020: 27 June 2020 to 27 June 20201968201820192020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Norderon meeting 30 C (86 F).
First to last qualifying date each year at Norderon
YearFirst dateLast date
19681968-07-031968-07-03
20182018-07-162018-07-24
20192019-07-252019-07-28
20202020-06-272020-06-27

Every Fixed Threshold

Fixed thresholds at Norderon
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4320181
0 C (32 F): Ice days (max35127201058
0 C (32 F): Frost days (min35199196888
-10 C (14 F): Days with min3595196637
-20 C (-4 F): Days with min3238196616
-30 C (-22 F): Days with min161419662
-40 C (-40 F): Days with min1119661
10 mm (0.39 in): Days with 10 mm or more rain3621196610
25 mm (0.98 in): Days with 25 mm or more rain24420101
50 mm (1.97 in): Days with 50 mm or more rain10n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.

Download the Data

  • Data for Norderon 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 (2026-10-17).