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Built 2026-10-19 (19 October 2026)

Norrkoping-Smhi Threshold Days by Year (SWE00138568)

10 fixed thresholds counted per year at Norrkoping-Smhi (SWE00138568): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Norrkoping-Smhi Thresholds

  • Norrkoping-Smhi: days with a maximum temperature at or below 0 C (32 F) in 33 years, most in 2010 with 98.
  • Norrkoping-Smhi: nights with a minimum temperature at or below 0 C (32 F) in 33 years, most in 2010 with 158.
  • Norrkoping-Smhi: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 2023 with 20.
  • Norrkoping-Smhi: nights with a minimum temperature at or below -10 C (14 F) in 31 years, most in 2010 with 46.
  • 10 fixed thresholds have at least one qualifying day at Norrkoping-Smhi.
18 years with a qualifying day
Days at or above 30 C (86 F) per year at Norrkoping-Smhi Days per year at Norrkoping-Smhi with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 15 in 2018. 0510151994: 81995: 11999: 22001: 12005: 22006: 22007: 22010: 52014: 52016: 42018: 152019: 32020: 62021: 32022: 62023: 12025: 22026: 7199419992005200720142018202020222025
Days per year at Norrkoping-Smhi with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 15 in 2018.
Days at or above 30 C (86 F) per year at Norrkoping-Smhi
YearDaysDecade average
199483.7
199513.7
199923.7
200111.8
200521.8
200621.8
200721.8
201056.4
201456.4
201646.4
2018156.4
201936.4
202064.2
202134.2
202264.2
202314.2
202524.2
202674.2
First to last qualifying date each year at Norrkoping-Smhi For each year, a bar from the first to the last day at Norrkoping-Smhi meeting 30 C (86 F). 1994: 12 July 1994 to 5 August 19941995: 13 August 1995 to 13 August 19951999: 11 July 1999 to 12 July 19992001: 5 July 2001 to 5 July 20012005: 8 July 2005 to 12 July 20052006: 6 July 2006 to 7 July 20062007: 9 June 2007 to 10 June 20072010: 3 July 2010 to 13 July 20102014: 24 July 2014 to 4 August 20142016: 23 July 2016 to 26 August 20162018: 3 June 2018 to 8 August 20182019: 30 June 2019 to 28 July 20192020: 25 June 2020 to 17 August 20202021: 18 June 2021 to 15 July 20212022: 27 June 2022 to 13 August 20222023: 25 June 2023 to 25 June 20232025: 18 July 2025 to 19 July 20252026: 26 June 2026 to 15 August 2026199420012007201620202023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Norrkoping-Smhi meeting 30 C (86 F).
First to last qualifying date each year at Norrkoping-Smhi
YearFirst dateLast date
19941994-07-121994-08-05
19951995-08-131995-08-13
19991999-07-111999-07-12
20012001-07-052001-07-05
20052005-07-082005-07-12
20062006-07-062006-07-07
20072007-06-092007-06-10
20102010-07-032010-07-13
20142014-07-242014-08-04
20162016-07-232016-08-26
20182018-06-032018-08-08
20192019-06-302019-07-28
20202020-06-252020-08-17
20212021-06-182021-07-15
20222022-06-272022-08-13
20232023-06-252023-06-25
20252025-07-182025-07-19
20262026-06-262026-08-15

Every Fixed Threshold

Fixed thresholds at Norrkoping-Smhi
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days181520187
35 C (95 F): Days1120221
90 F (32.2 C): Days8620181
0 C (32 F): Ice days (max3398201041
0 C (32 F): Frost days (min33158201073
-10 C (14 F): Days with min314620109
-20 C (-4 F): Days with min101020101
20 C (68 F): Tropical nights (min3220181
10 mm (0.39 in): Days with 10 mm or more rain332020237
25 mm (0.98 in): Days with 25 mm or more rain21420242

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1994.

Download the Data

  • Data for Norrkoping-Smhi 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 (2026-10-14).