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

Brownsville Threshold Days by Year (USC00411133)

13 fixed thresholds counted per year at Brownsville (USC00411133): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Brownsville Thresholds

  • Brownsville: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1941 with 33.
  • Brownsville: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 1941 with 17.
  • Brownsville: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1910 with 4.
  • Brownsville: days with a maximum temperature at or above 30 C (86 F) in 14 years, most in 1920 with 198.
  • 13 fixed thresholds have at least one qualifying day at Brownsville.
14 years with a qualifying day
Days at or above 30 C (86 F) per year at Brownsville Days per year at Brownsville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 198 in 1920. 0501001502001908: 1701909: 1741910: 1681911: 1591912: 1601913: 1211914: 1571915: 1781916: 1801917: 1871918: 1931919: 1951920: 1981921: 1741908191019121914191619181920
Days per year at Brownsville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 198 in 1920.
Days at or above 30 C (86 F) per year at Brownsville
YearDaysDecade average
1908170172
1909174172
1910168169.8
1911159169.8
1912160169.8
1913121169.8
1914157169.8
1915178169.8
1916180169.8
1917187169.8
1918193169.8
1919195169.8
1920198186
1921174186
First to last qualifying date each year at Brownsville For each year, a bar from the first to the last day at Brownsville meeting 30 C (86 F). 1908: 31 January 1908 to 11 November 19081909: 18 February 1909 to 5 November 19091910: 21 February 1910 to 27 November 19101911: 22 March 1911 to 17 November 19111912: 26 January 1912 to 21 October 19121913: 11 May 1913 to 17 October 19131914: 25 January 1914 to 23 October 19141915: 23 April 1915 to 21 November 19151916: 23 February 1916 to 11 November 19161917: 10 January 1917 to 5 December 19171918: 16 February 1918 to 16 November 19181919: 17 March 1919 to 9 December 19191920: 21 January 1920 to 10 November 19201921: 8 March 1921 to 31 December 19211908191019121914191619181920JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Brownsville meeting 30 C (86 F).
First to last qualifying date each year at Brownsville
YearFirst dateLast date
19081908-01-311908-11-11
19091909-02-181909-11-05
19101910-02-211910-11-27
19111911-03-221911-11-17
19121912-01-261912-10-21
19131913-05-111913-10-17
19141914-01-251914-10-23
19151915-04-231915-11-21
19161916-02-231916-11-11
19171917-01-101917-12-05
19181918-02-161918-11-16
19191919-03-171919-12-09
19201920-01-211920-11-10
19211921-03-081921-12-31

Every Fixed Threshold

Fixed thresholds at Brownsville
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days141981920174
35 C (95 F): Days1477192024
40 C (104 F): Days1219152
90 F (32.2 C): Days141621920113
100 F (37.8 C): Days9819184
0 C (32 F): Frost days (min12919123
20 C (68 F): Tropical nights (min142061908164
25 C (77 F): Days with min144719156
10 mm (0.39 in): Days with 10 mm or more rain2933194117
25 mm (0.98 in): Days with 25 mm or more rain291719417
50 mm (1.97 in): Days with 50 mm or more rain29419102
100 mm (3.94 in): Days with 100 mm or more rain14219101
200 mm (7.87 in): Days with 200 mm or more rain2119331

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1908.

Download the Data

  • Data for Brownsville 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).