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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Napoleon Threshold Days by Year (USC00235916)

13 fixed thresholds counted per year at Napoleon (USC00235916): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Napoleon Thresholds

  • Napoleon: days with a maximum temperature at or above 30 C (86 F) in 6 years, most in 2024 with 73.
  • Napoleon: days with a maximum temperature at or above 90 F (32.2 C) in 6 years, most in 2024 with 42.
  • Napoleon: days with a maximum temperature at or below 0 C (32 F) in 6 years, most in 2022 with 22.
  • Napoleon: nights with a minimum temperature at or below 0 C (32 F) in 6 years, most in 2022 with 114.
  • 13 fixed thresholds have at least one qualifying day at Napoleon.
6 years with a qualifying day
Days at or above 30 C (86 F) per year at Napoleon Days per year at Napoleon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 73 in 2024. 0204060802020: 722021: 602022: 722023: 702024: 732025: 69202020212022202320242025
Days per year at Napoleon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 73 in 2024.
Days at or above 30 C (86 F) per year at Napoleon
YearDaysDecade average
20207269.3
20216069.3
20227269.3
20237069.3
20247369.3
20256969.3
First to last qualifying date each year at Napoleon For each year, a bar from the first to the last day at Napoleon meeting 30 C (86 F). 2020: 25 May 2020 to 8 October 20202021: 5 June 2021 to 9 October 20212022: 10 May 2022 to 25 September 20222023: 6 May 2023 to 3 October 20232024: 13 April 2024 to 13 October 20242025: 15 May 2025 to 17 October 2025202020212022202320242025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Napoleon meeting 30 C (86 F).
First to last qualifying date each year at Napoleon
YearFirst dateLast date
20202020-05-252020-10-08
20212021-06-052021-10-09
20222022-05-102022-09-25
20232023-05-062023-10-03
20242024-04-132024-10-13
20252025-05-152025-10-17

Every Fixed Threshold

Fixed thresholds at Napoleon
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days673202469
35 C (95 F): Days519202211
90 F (32.2 C): Days642202439
100 F (37.8 C): Days2220242
0 C (32 F): Ice days (max622202220
0 C (32 F): Frost days (min6114202282
-10 C (14 F): Days with min628202219
-20 C (-4 F): Days with min4420241
20 C (68 F): Tropical nights (min660202246
25 C (77 F): Days with min6520225
10 mm (0.39 in): Days with 10 mm or more rain10n/a18
25 mm (0.98 in): Days with 25 mm or more rain10n/a13
10 cm (3.9 in): Days with 10 cm or more snowfall1120211

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2020.

Download the Data

  • Data for Napoleon 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 (2025-12-31).