Built 2026-10-19 (19 October 2026)

Wilmington City Hall Threshold Days by Year (USC00079600)

17 fixed thresholds counted per year at Wilmington City Hall (USC00079600): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wilmington City Hall Thresholds

  • Wilmington City Hall: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1945 with 54.
  • Wilmington City Hall: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 1911 with 22.
  • Wilmington City Hall: days with 50 mm (1.97 in) or more of precipitation in 36 years, most in 1910 with 7.
  • Wilmington City Hall: days with a maximum temperature at or above 30 C (86 F) in 17 years, most in 1895 with 85.
  • 17 fixed thresholds have at least one qualifying day at Wilmington City Hall.
17 years with a qualifying day
Days at or above 30 C (86 F) per year at Wilmington City Hall Days per year at Wilmington City Hall with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 85 in 1895. 02550751001895: 851896: 811917: 201918: 411919: 311920: 211921: 391922: 341923: 481924: 241925: 581926: 261927: 171928: 241929: 391930: 631931: 49189519171919192119231925192719291931
Days per year at Wilmington City Hall with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 85 in 1895.
Days at or above 30 C (86 F) per year at Wilmington City Hall
YearDaysDecade average
18958583
18968183
19172030.7
19184130.7
19193130.7
19202133
19213933
19223433
19234833
19242433
19255833
19262633
19271733
19282433
19293933
19306356
19314956
First to last qualifying date each year at Wilmington City Hall For each year, a bar from the first to the last day at Wilmington City Hall meeting 30 C (86 F). 1895: 25 April 1895 to 26 September 18951896: 15 April 1896 to 19 September 18961917: 21 June 1917 to 29 August 19171918: 6 May 1918 to 30 August 19181919: 29 May 1919 to 4 October 19191920: 2 June 1920 to 18 August 19201921: 23 May 1921 to 9 September 19211922: 7 June 1922 to 7 September 19221923: 29 May 1923 to 4 September 19231924: 20 June 1924 to 2 September 19241925: 23 May 1925 to 14 September 19251926: 14 June 1926 to 25 September 19261927: 29 June 1927 to 2 October 19271928: 14 June 1928 to 31 August 19281929: 7 April 1929 to 10 September 19291930: 5 May 1930 to 26 September 19301931: 29 May 1931 to 23 September 1931189519181921192419271930JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wilmington City Hall meeting 30 C (86 F).
First to last qualifying date each year at Wilmington City Hall
YearFirst dateLast date
18951895-04-251895-09-26
18961896-04-151896-09-19
19171917-06-211917-08-29
19181918-05-061918-08-30
19191919-05-291919-10-04
19201920-06-021920-08-18
19211921-05-231921-09-09
19221922-06-071922-09-07
19231923-05-291923-09-04
19241924-06-201924-09-02
19251925-05-231925-09-14
19261926-06-141926-09-25
19271927-06-291927-10-02
19281928-06-141928-08-31
19291929-04-071929-09-10
19301930-05-051930-09-26
19311931-05-291931-09-23

Every Fixed Threshold

Fixed thresholds at Wilmington City Hall
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1785189549
35 C (95 F): Days112418963
40 C (104 F): Days1219182
90 F (32.2 C): Days1759189523
100 F (37.8 C): Days4618962
0 C (32 F): Ice days (max172519204
0 C (32 F): Frost days (min17125192693
-10 C (14 F): Days with min172219184
-20 C (-4 F): Days with min2219171
20 C (68 F): Tropical nights (min1751189643
25 C (77 F): Days with min7618962
10 mm (0.39 in): Days with 10 mm or more rain3954194531
25 mm (0.98 in): Days with 25 mm or more rain392219115
50 mm (1.97 in): Days with 50 mm or more rain36719103
100 mm (3.94 in): Days with 100 mm or more rain4219191
10 cm (3.9 in): Days with 10 cm or more snowfall7219491
25 cm (9.8 in): Days with 25 cm or more snowfall2119531

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1895.

Download the Data

  • Data for Wilmington City Hall 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).