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Built 2026-10-19 (19 October 2026)

Grant Threshold Days by Year (USC00053530)

13 fixed thresholds counted per year at Grant (USC00053530): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Grant Thresholds

  • Grant: days with a maximum temperature at or below 0 C (32 F) in 63 years, most in 1979 with 68.
  • Grant: nights with a minimum temperature at or below 0 C (32 F) in 61 years, most in 1968 with 268.
  • Grant: nights with a minimum temperature at or below -10 C (14 F) in 61 years, most in 1964 with 114.
  • Grant: days with 10 cm (3.9 in) or more of snowfall in 61 years, most in 1975 with 17.
  • 13 fixed thresholds have at least one qualifying day at Grant.
18 years with a qualifying day
Days at or above 30 C (86 F) per year at Grant Days per year at Grant with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 2003. 024681964: 11973: 11974: 11978: 11989: 11990: 11994: 21998: 42000: 12001: 22002: 42003: 82005: 32012: 22016: 12021: 22023: 12026: 2196419741989199420002002200520162023
Days per year at Grant with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 8 in 2003.
Days at or above 30 C (86 F) per year at Grant
YearDaysDecade average
196411
197311
197411
197811
198911
199012.3
199422.3
199842.3
200013.6
200123.6
200243.6
200383.6
200533.6
201221.5
201611.5
202121.7
202311.7
202621.7
First to last qualifying date each year at Grant For each year, a bar from the first to the last day at Grant meeting 30 C (86 F). 1964: 3 July 1964 to 3 July 19641973: 6 July 1973 to 6 July 19731974: 21 June 1974 to 21 June 19741978: 15 July 1978 to 15 July 19781989: 6 July 1989 to 6 July 19891990: 3 July 1990 to 3 July 19901994: 26 June 1994 to 27 June 19941998: 29 June 1998 to 20 July 19982000: 7 July 2000 to 7 July 20002001: 3 July 2001 to 30 July 20012002: 2 July 2002 to 1 August 20022003: 5 July 2003 to 25 July 20032005: 14 July 2005 to 22 July 20052012: 24 June 2012 to 26 June 20122016: 20 June 2016 to 20 June 20162021: 15 June 2021 to 16 June 20212023: 18 July 2023 to 18 July 20232026: 21 July 2026 to 3 August 2026196419781994200120052021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Grant meeting 30 C (86 F).
First to last qualifying date each year at Grant
YearFirst dateLast date
19641964-07-031964-07-03
19731973-07-061973-07-06
19741974-06-211974-06-21
19781978-07-151978-07-15
19891989-07-061989-07-06
19901990-07-031990-07-03
19941994-06-261994-06-27
19981998-06-291998-07-20
20002000-07-072000-07-07
20012001-07-032001-07-30
20022002-07-022002-08-01
20032003-07-052003-07-25
20052005-07-142005-07-22
20122012-06-242012-06-26
20162016-06-202016-06-20
20212021-06-152021-06-16
20232023-07-182023-07-18
20262026-07-212026-08-03

Every Fixed Threshold

Fixed thresholds at Grant
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days18820032
90 F (32.2 C): Days1119941
0 C (32 F): Ice days (max6368197920
0 C (32 F): Frost days (min612681968134
-10 C (14 F): Days with min61114196433
-20 C (-4 F): Days with min6023198910
-30 C (-22 F): Days with min9319892
10 mm (0.39 in): Days with 10 mm or more rain601619656
25 mm (0.98 in): Days with 25 mm or more rain37320001
50 mm (1.97 in): Days with 50 mm or more rain2119691
10 cm (3.9 in): Days with 10 cm or more snowfall611719752
25 cm (9.8 in): Days with 25 cm or more snowfall33419691
50 cm (19.7 in): Days with 50 cm or more snowfall1119781

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for Grant 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).