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

Naven_A Threshold Days by Year (SWE00138602)

10 fixed thresholds counted per year at Naven_A (SWE00138602): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Naven_A Thresholds

  • Naven_A: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 2023 with 27.
  • Naven_A: nights with a minimum temperature at or below 0 C (32 F) in 26 years, most in 2010 with 137.
  • Naven_A: days with a maximum temperature at or below 0 C (32 F) in 25 years, most in 2010 with 95.
  • Naven_A: nights with a minimum temperature at or below -10 C (14 F) in 19 years, most in 2010 with 35.
  • 10 fixed thresholds have at least one qualifying day at Naven_A.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Naven_A Days per year at Naven_A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 2018. 012342001: 12010: 12014: 12018: 42019: 12022: 32026: 12001201020142018201920222026
Days per year at Naven_A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 2018.
Days at or above 30 C (86 F) per year at Naven_A
YearDaysDecade average
200111
201011.8
201411.8
201841.8
201911.8
202232
202612
First to last qualifying date each year at Naven_A For each year, a bar from the first to the last day at Naven_A meeting 30 C (86 F). 2001: 16 August 2001 to 16 August 20012010: 11 July 2010 to 11 July 20102014: 24 July 2014 to 24 July 20142018: 3 June 2018 to 8 August 20182019: 30 June 2019 to 30 June 20192022: 25 June 2022 to 20 July 20222026: 15 July 2026 to 15 July 20262001201020142018201920222026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Naven_A meeting 30 C (86 F).
First to last qualifying date each year at Naven_A
YearFirst dateLast date
20012001-08-162001-08-16
20102010-07-112010-07-11
20142014-07-242014-07-24
20182018-06-032018-08-08
20192019-06-302019-06-30
20222022-06-252022-07-20
20262026-07-152026-07-15

Every Fixed Threshold

Fixed thresholds at Naven_A
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days7420181
90 F (32.2 C): Days1120221
0 C (32 F): Ice days (max2595201042
0 C (32 F): Frost days (min26137201061
-10 C (14 F): Days with min193520107
-20 C (-4 F): Days with min2120031
20 C (68 F): Tropical nights (min5220181
10 mm (0.39 in): Days with 10 mm or more rain282720235
25 mm (0.98 in): Days with 25 mm or more rain16319993
50 mm (1.97 in): Days with 50 mm or more rain2120211

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2001.

Download the Data

  • Data for Naven_A 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).