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Built 2026-10-19 (19 October 2026)

Delano Threshold Days by Year (USC00212088)

16 fixed thresholds counted per year at Delano (USC00212088): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Delano Thresholds

  • Delano: days with 10 cm (3.9 in) or more of snowfall in 32 years, most in 2014 with 8.
  • Delano: days with a maximum temperature at or above 30 C (86 F) in 22 years, most in 2007 with 45.
  • Delano: days with a maximum temperature at or below 0 C (32 F) in 22 years, most in 1978 with 102.
  • Delano: nights with a minimum temperature at or below 0 C (32 F) in 22 years, most in 2013 with 187.
  • 16 fixed thresholds have at least one qualifying day at Delano.
22 years with a qualifying day
Days at or above 30 C (86 F) per year at Delano Days per year at Delano with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 45 in 2007. 02040601978: 351979: 171980: 331981: 221987: 391989: 211990: 161991: 162007: 452008: 152009: 112011: 242012: 342013: 232014: 62015: 62016: 212017: 252018: 262019: 122025: 252026: 3919781981199020082012201520182026
Days per year at Delano with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 45 in 2007.
Days at or above 30 C (86 F) per year at Delano
YearDaysDecade average
19783526
19791726
19803328.8
19812228.8
19873928.8
19892128.8
19901616
19911616
20074523.7
20081523.7
20091123.7
20112419.7
20123419.7
20132319.7
2014619.7
2015619.7
20162119.7
20172519.7
20182619.7
20191219.7
20252532
20263932
First to last qualifying date each year at Delano For each year, a bar from the first to the last day at Delano meeting 30 C (86 F). 1978: 19 May 1978 to 11 September 19781979: 17 May 1979 to 4 September 19791980: 21 April 1980 to 8 September 19801981: 21 May 1981 to 12 September 19811987: 18 April 1987 to 27 September 19871989: 19 June 1989 to 11 August 19891990: 8 May 1990 to 14 September 19901991: 7 April 1991 to 31 August 19912007: 13 May 2007 to 7 October 20072008: 25 June 2008 to 20 August 20082009: 20 May 2009 to 17 August 20092011: 4 June 2011 to 11 September 20112012: 15 May 2012 to 12 September 20122013: 15 May 2013 to 10 September 20132014: 29 May 2014 to 21 July 20142015: 10 June 2015 to 6 September 20152016: 7 May 2016 to 11 August 20162017: 2 June 2017 to 25 September 20172018: 17 May 2018 to 17 September 20182019: 1 June 2019 to 19 September 20192025: 10 May 2025 to 5 October 20252026: 23 April 2026 to 12 October 202619781981199020082012201520182026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Delano meeting 30 C (86 F).
First to last qualifying date each year at Delano
YearFirst dateLast date
19781978-05-191978-09-11
19791979-05-171979-09-04
19801980-04-211980-09-08
19811981-05-211981-09-12
19871987-04-181987-09-27
19891989-06-191989-08-11
19901990-05-081990-09-14
19911991-04-071991-08-31
20072007-05-132007-10-07
20082008-06-252008-08-20
20092009-05-202009-08-17
20112011-06-042011-09-11
20122012-05-152012-09-12
20132013-05-152013-09-10
20142014-05-292014-07-21
20152015-06-102015-09-06
20162016-05-072016-08-11
20172017-06-022017-09-25
20182018-05-172018-09-17
20192019-06-012019-09-19
20252025-05-102025-10-05
20262026-04-232026-10-12

Every Fixed Threshold

Fixed thresholds at Delano
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2245200739
35 C (95 F): Days12420123
90 F (32.2 C): Days2019198710
100 F (37.8 C): Days2119901
0 C (32 F): Ice days (max22102197839
0 C (32 F): Frost days (min22187201397
-10 C (14 F): Days with min22101201441
-20 C (-4 F): Days with min2252197813
-30 C (-22 F): Days with min10919793
20 C (68 F): Tropical nights (min2216199118
25 C (77 F): Days with min1120111
10 mm (0.39 in): Days with 10 mm or more rain1230197817
25 mm (0.98 in): Days with 25 mm or more rain121019916
50 mm (1.97 in): Days with 50 mm or more rain7319781
10 cm (3.9 in): Days with 10 cm or more snowfall32820142
25 cm (9.8 in): Days with 25 cm or more snowfall3120121

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1978.

Download the Data

  • Data for Delano 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).