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

Waco 4N Threshold Days by Year (USC00238664)

19 fixed thresholds counted per year at Waco 4N (USC00238664): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Waco 4N Thresholds

  • Waco 4N: days with 10 mm (0.39 in) or more of precipitation in 62 years, most in 1985 with 49.
  • Waco 4N: days with 25 mm (0.98 in) or more of precipitation in 62 years, most in 1990 with 24.
  • Waco 4N: days with 50 mm (1.97 in) or more of precipitation in 58 years, most in 1950 with 9.
  • Waco 4N: days with 10 cm (3.9 in) or more of snowfall in 24 years, most in 1970 with 3.
  • 19 fixed thresholds have at least one qualifying day at Waco 4N.
9 years with a qualifying day
Days at or above 30 C (86 F) per year at Waco 4N Days per year at Waco 4N with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 94 in 2011. 02550751002003: 682004: 482005: 912006: 832007: 642008: 692009: 482010: 882011: 94200320042005200620072008200920102011
Days per year at Waco 4N with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 94 in 2011.
Days at or above 30 C (86 F) per year at Waco 4N
YearDaysDecade average
20036867.3
20044867.3
20059167.3
20068367.3
20076467.3
20086967.3
20094867.3
20108891
20119491
First to last qualifying date each year at Waco 4N For each year, a bar from the first to the last day at Waco 4N meeting 30 C (86 F). 2003: 31 May 2003 to 25 October 20032004: 28 May 2004 to 22 September 20042005: 7 June 2005 to 20 October 20052006: 2 March 2006 to 4 October 20062007: 9 June 2007 to 24 September 20072008: 24 May 2008 to 26 September 20082009: 30 May 2009 to 27 August 20092010: 7 May 2010 to 24 September 20102011: 9 April 2011 to 17 October 201120032005200720092011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Waco 4N meeting 30 C (86 F).
First to last qualifying date each year at Waco 4N
YearFirst dateLast date
20032003-05-312003-10-25
20042004-05-282004-09-22
20052005-06-072005-10-20
20062006-03-022006-10-04
20072007-06-092007-09-24
20082008-05-242008-09-26
20092009-05-302009-08-27
20102010-05-072010-09-24
20112011-04-092011-10-17

Every Fixed Threshold

Fixed thresholds at Waco 4N
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days994201194
35 C (95 F): Days945201145
40 C (104 F): Days1520115
90 F (32.2 C): Days972201172
100 F (37.8 C): Days625201125
0 C (32 F): Ice days (max921201019
0 C (32 F): Frost days (min9107200795
-10 C (14 F): Days with min918200414
-20 C (-4 F): Days with min2420114
20 C (68 F): Tropical nights (min978201073
25 C (77 F): Days with min613201113
10 mm (0.39 in): Days with 10 mm or more rain6249198537
25 mm (0.98 in): Days with 25 mm or more rain6224199013
50 mm (1.97 in): Days with 50 mm or more rain58919501
100 mm (3.94 in): Days with 100 mm or more rain16220092
200 mm (7.87 in): Days with 200 mm or more rain1119931
10 cm (3.9 in): Days with 10 cm or more snowfall24319701
25 cm (9.8 in): Days with 25 cm or more snowfall4119511
50 cm (19.7 in): Days with 50 cm or more snowfall1119701

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2003.

Download the Data

  • Data for Waco 4N 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).