Built 2026-10-19 (19 October 2026)

Redfield Threshold Days by Year (USC00397052)

20 fixed thresholds counted per year at Redfield (USC00397052): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Redfield Thresholds

  • Redfield: days with a maximum temperature at or above 30 C (86 F) in 52 years, most in 1988 with 73.
  • Redfield: days with a maximum temperature at or above 90 F (32.2 C) in 52 years, most in 1976 with 51.
  • Redfield: days with a maximum temperature at or below 0 C (32 F) in 52 years, most in 1996 with 100.
  • Redfield: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1991 with 25.
  • 20 fixed thresholds have at least one qualifying day at Redfield.
52 years with a qualifying day
Days at or above 30 C (86 F) per year at Redfield Days per year at Redfield with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 73 in 1988. 0204060801949: 691950: 381951: 201953: 501954: 521955: 701956: 491957: 421960: 471962: 361963: 511964: 621965: 371966: 541967: 431968: 381969: 521970: 681971: 541972: 391973: 511974: 491975: 511976: 701977: 491979: 391980: 591981: 491982: 441983: 621984: 351985: 391986: 321987: 601988: 731989: 561991: 441992: 211993: 91994: 221995: 441996: 271997: 321998: 312003: 552004: 262005: 462006: 532007: 442008: 202009: 202010: 37194919561965197119771984199119972007
Days per year at Redfield with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 73 in 1988.
Days at or above 30 C (86 F) per year at Redfield
YearDaysDecade average
19496969
19503845.9
19512045.9
19535045.9
19545245.9
19557045.9
19564945.9
19574245.9
19604746.7
19623646.7
19635146.7
19646246.7
19653746.7
19665446.7
19674346.7
19683846.7
19695246.7
19706852.2
19715452.2
19723952.2
19735152.2
19744952.2
19755152.2
19767052.2
19774952.2
19793952.2
19805950.9
19814950.9
19824450.9
19836250.9
19843550.9
19853950.9
19863250.9
19876050.9
19887350.9
19895650.9
19914428.8
19922128.8
1993928.8
19942228.8
19954428.8
19962728.8
19973228.8
19983128.8
20035537.7
20042637.7
20054637.7
20065337.7
20074437.7
20082037.7
20092037.7
20103737
First to last qualifying date each year at Redfield For each year, a bar from the first to the last day at Redfield meeting 30 C (86 F). 1949: 3 May 1949 to 25 September 19491950: 22 May 1950 to 8 September 19501951: 8 July 1951 to 2 October 19511953: 29 May 1953 to 14 October 19531954: 14 April 1954 to 26 September 19541955: 30 April 1955 to 10 October 19551956: 24 May 1956 to 12 October 19561957: 7 May 1957 to 1 September 19571960: 13 May 1960 to 20 September 19601962: 24 April 1962 to 11 September 19621963: 7 May 1963 to 5 October 19631964: 16 April 1964 to 13 September 19641965: 29 April 1965 to 2 September 19651966: 4 May 1966 to 31 August 19661967: 22 May 1967 to 26 September 19671968: 30 April 1968 to 14 September 19681969: 14 May 1969 to 15 September 19691970: 7 May 1970 to 6 October 19701971: 15 June 1971 to 13 September 19711972: 17 May 1972 to 16 September 19721973: 8 June 1973 to 2 September 19731974: 19 June 1974 to 27 September 19741975: 20 June 1975 to 8 October 19751976: 3 June 1976 to 1 October 19761977: 10 April 1977 to 9 September 19771979: 26 May 1979 to 27 September 19791980: 21 April 1980 to 10 October 19801981: 3 May 1981 to 14 September 19811982: 4 May 1982 to 11 September 19821983: 28 May 1983 to 28 September 19831984: 26 June 1984 to 22 September 19841985: 18 April 1985 to 1 September 19851986: 4 June 1986 to 1 September 19861987: 19 April 1987 to 27 September 19871988: 13 May 1988 to 19 September 19881989: 24 May 1989 to 1 October 19891991: 7 April 1991 to 2 October 19911992: 29 April 1992 to 4 October 19921993: 23 June 1993 to 7 October 19931994: 18 May 1994 to 13 September 19941995: 15 June 1995 to 16 September 19951996: 12 June 1996 to 10 September 19961997: 18 May 1997 to 3 October 19971998: 15 May 1998 to 19 September 19982003: 14 April 2003 to 9 October 20032004: 29 April 2004 to 20 September 20042005: 21 May 2005 to 13 September 20052006: 24 May 2006 to 8 October 20062007: 14 May 2007 to 7 October 20072008: 25 June 2008 to 2 September 20082009: 24 April 2009 to 16 August 20092010: 29 May 2010 to 31 August 201019491957196719741982198919972008JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Redfield meeting 30 C (86 F).
First to last qualifying date each year at Redfield
YearFirst dateLast date
19491949-05-031949-09-25
19501950-05-221950-09-08
19511951-07-081951-10-02
19531953-05-291953-10-14
19541954-04-141954-09-26
19551955-04-301955-10-10
19561956-05-241956-10-12
19571957-05-071957-09-01
19601960-05-131960-09-20
19621962-04-241962-09-11
19631963-05-071963-10-05
19641964-04-161964-09-13
19651965-04-291965-09-02
19661966-05-041966-08-31
19671967-05-221967-09-26
19681968-04-301968-09-14
19691969-05-141969-09-15
19701970-05-071970-10-06
19711971-06-151971-09-13
19721972-05-171972-09-16
19731973-06-081973-09-02
19741974-06-191974-09-27
19751975-06-201975-10-08
19761976-06-031976-10-01
19771977-04-101977-09-09
19791979-05-261979-09-27
19801980-04-211980-10-10
19811981-05-031981-09-14
19821982-05-041982-09-11
19831983-05-281983-09-28
19841984-06-261984-09-22
19851985-04-181985-09-01
19861986-06-041986-09-01
19871987-04-191987-09-27
19881988-05-131988-09-19
19891989-05-241989-10-01
19911991-04-071991-10-02
19921992-04-291992-10-04
19931993-06-231993-10-07
19941994-05-181994-09-13
19951995-06-151995-09-16
19961996-06-121996-09-10
19971997-05-181997-10-03
19981998-05-151998-09-19
20032003-04-142003-10-09
20042004-04-292004-09-20
20052005-05-212005-09-13
20062006-05-242006-10-08
20072007-05-142007-10-07
20082008-06-252008-09-02
20092009-04-242009-08-16
20102010-05-292010-08-31

Every Fixed Threshold

Fixed thresholds at Redfield
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5273198837
35 C (95 F): Days472819763
40 C (104 F): Days20619761
45 C (113 F): Days2119651
90 F (32.2 C): Days5251197621
100 F (37.8 C): Days341519761
110 F (43.3 C): Days4219661
0 C (32 F): Ice days (max52100199691
0 C (32 F): Frost days (min481921979163
-10 C (14 F): Days with min48120195583
-20 C (-4 F): Days with min4853198532
-30 C (-22 F): Days with min431219795
20 C (68 F): Tropical nights (min4418198810
25 C (77 F): Days with min7119631
10 mm (0.39 in): Days with 10 mm or more rain5125199122
25 mm (0.98 in): Days with 25 mm or more rain50919914
50 mm (1.97 in): Days with 50 mm or more rain21319531
100 mm (3.94 in): Days with 100 mm or more rain1120071
10 cm (3.9 in): Days with 10 cm or more snowfall38720092
25 cm (9.8 in): Days with 25 cm or more snowfall9220092

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Redfield 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).