Built 2026-10-19 (19 October 2026)

Grantsville 1ESE Threshold Days by Year (USC00463648)

16 fixed thresholds counted per year at Grantsville 1ESE (USC00463648): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Grantsville 1ESE Thresholds

  • Grantsville 1ESE: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1948 with 57.
  • Grantsville 1ESE: days with 25 mm (0.98 in) or more of precipitation in 41 years, most in 1948 with 17.
  • Grantsville 1ESE: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 1959 with 98.
  • Grantsville 1ESE: days with a maximum temperature at or above 90 F (32.2 C) in 37 years, most in 1953 with 63.
  • 16 fixed thresholds have at least one qualifying day at Grantsville 1ESE.
37 years with a qualifying day
Days at or above 30 C (86 F) per year at Grantsville 1ESE Days per year at Grantsville 1ESE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 98 in 1959. 02550751001948: 761949: 791950: 361952: 871953: 861954: 781955: 891956: 671957: 871958: 541959: 981960: 651961: 691962: 661963: 471964: 691966: 651967: 331968: 521969: 601970: 701975: 491976: 381977: 551979: 421980: 582002: 772003: 382004: 432005: 662006: 502007: 892008: 482009: 332014: 462015: 562016: 681948195319571961196619701979200420082016
Days per year at Grantsville 1ESE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 98 in 1959.
Days at or above 30 C (86 F) per year at Grantsville 1ESE
YearDaysDecade average
19487677.5
19497977.5
19503675.8
19528775.8
19538675.8
19547875.8
19558975.8
19566775.8
19578775.8
19585475.8
19599875.8
19606558.4
19616958.4
19626658.4
19634758.4
19646958.4
19666558.4
19673358.4
19685258.4
19696058.4
19707050.8
19754950.8
19763850.8
19775550.8
19794250.8
19805858
20027755.5
20033855.5
20044355.5
20056655.5
20065055.5
20078955.5
20084855.5
20093355.5
20144656.7
20155656.7
20166856.7
First to last qualifying date each year at Grantsville 1ESE For each year, a bar from the first to the last day at Grantsville 1ESE meeting 30 C (86 F). 1948: 25 April 1948 to 18 September 19481949: 4 May 1949 to 22 October 19491950: 28 March 1950 to 11 September 19501952: 22 March 1952 to 2 October 19521953: 29 April 1953 to 5 October 19531954: 26 March 1954 to 13 October 19541955: 19 April 1955 to 8 October 19551956: 28 April 1956 to 16 October 19561957: 20 April 1957 to 20 September 19571958: 20 April 1958 to 27 September 19581959: 9 April 1959 to 7 October 19591960: 14 April 1960 to 10 September 19601961: 25 April 1961 to 4 November 19611962: 27 April 1962 to 16 October 19621963: 3 April 1963 to 20 October 19631964: 6 May 1964 to 24 September 19641966: 21 April 1966 to 4 September 19661967: 28 May 1967 to 21 September 19671968: 6 June 1968 to 25 September 19681969: 18 April 1969 to 5 September 19691970: 1 May 1970 to 27 September 19701975: 22 May 1975 to 6 September 19751976: 17 April 1976 to 15 September 19761977: 20 April 1977 to 5 September 19771979: 22 April 1979 to 23 October 19791980: 13 May 1980 to 15 September 19802002: 17 April 2002 to 5 October 20022003: 24 June 2003 to 15 September 20032004: 19 April 2004 to 24 September 20042005: 12 May 2005 to 28 September 20052006: 29 May 2006 to 19 September 20062007: 1 May 2007 to 9 October 20072008: 6 June 2008 to 9 October 20082009: 25 April 2009 to 29 August 20092014: 14 April 2014 to 7 September 20142015: 7 May 2015 to 20 September 20152016: 28 May 2016 to 27 September 201619481954195919641970198020062015JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Grantsville 1ESE meeting 30 C (86 F).
First to last qualifying date each year at Grantsville 1ESE
YearFirst dateLast date
19481948-04-251948-09-18
19491949-05-041949-10-22
19501950-03-281950-09-11
19521952-03-221952-10-02
19531953-04-291953-10-05
19541954-03-261954-10-13
19551955-04-191955-10-08
19561956-04-281956-10-16
19571957-04-201957-09-20
19581958-04-201958-09-27
19591959-04-091959-10-07
19601960-04-141960-09-10
19611961-04-251961-11-04
19621962-04-271962-10-16
19631963-04-031963-10-20
19641964-05-061964-09-24
19661966-04-211966-09-04
19671967-05-281967-09-21
19681968-06-061968-09-25
19691969-04-181969-09-05
19701970-05-011970-09-27
19751975-05-221975-09-06
19761976-04-171976-09-15
19771977-04-201977-09-05
19791979-04-221979-10-23
19801980-05-131980-09-15
20022002-04-172002-10-05
20032003-06-242003-09-15
20042004-04-192004-09-24
20052005-05-122005-09-28
20062006-05-292006-09-19
20072007-05-012007-10-09
20082008-06-062008-10-09
20092009-04-252009-08-29
20142014-04-142014-09-07
20152015-05-072015-09-20
20162016-05-282016-09-27

Every Fixed Threshold

Fixed thresholds at Grantsville 1ESE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3798195968
35 C (95 F): Days222319522
90 F (32.2 C): Days3763195327
100 F (37.8 C): Days4419532
0 C (32 F): Ice days (max3737195815
0 C (32 F): Frost days (min361541976115
-10 C (14 F): Days with min3649196323
-20 C (-4 F): Days with min201519772
20 C (68 F): Tropical nights (min3531194919
10 mm (0.39 in): Days with 10 mm or more rain4157194836
25 mm (0.98 in): Days with 25 mm or more rain411719489
50 mm (1.97 in): Days with 50 mm or more rain22520161
100 mm (3.94 in): Days with 100 mm or more rain2120031
10 cm (3.9 in): Days with 10 cm or more snowfall7319671
25 cm (9.8 in): Days with 25 cm or more snowfall2119661
50 cm (19.7 in): Days with 50 cm or more snowfall1120161

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.

Download the Data

  • Data for Grantsville 1ESE 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).