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Built 2026-10-19 (19 October 2026)

Rochelle Threshold Days by Year (USC00117354)

18 fixed thresholds counted per year at Rochelle (USC00117354): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rochelle Thresholds

  • Rochelle: nights with a minimum temperature at or below 0 C (32 F) in 37 years, most in 2014 with 165.
  • Rochelle: nights with a minimum temperature at or below -10 C (14 F) in 37 years, most in 2014 with 75.
  • Rochelle: days with a maximum temperature at or above 30 C (86 F) in 36 years, most in 1988 with 62.
  • Rochelle: days with a maximum temperature at or below 0 C (32 F) in 36 years, most in 2014 with 80.
  • 18 fixed thresholds have at least one qualifying day at Rochelle.
36 years with a qualifying day
Days at or above 30 C (86 F) per year at Rochelle Days per year at Rochelle with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 62 in 1988. 0204060801979: 241980: 411981: 141983: 571984: 461986: 391987: 351988: 621989: 121990: 171991: 491992: 71993: 191994: 271995: 471996: 201997: 311998: 341999: 392000: 202001: 412002: 552003: 372004: 142005: 562006: 262007: 342008: 112009: 92010: 312011: 382012: 572013: 232014: 82015: 182016: 25197919841989199319972001200520092013
Days per year at Rochelle with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 62 in 1988.
Days at or above 30 C (86 F) per year at Rochelle
YearDaysDecade average
19792424
19804138.3
19811438.3
19835738.3
19844638.3
19863938.3
19873538.3
19886238.3
19891238.3
19901729
19914929
1992729
19931929
19942729
19954729
19962029
19973129
19983429
19993929
20002030.3
20014130.3
20025530.3
20033730.3
20041430.3
20055630.3
20062630.3
20073430.3
20081130.3
2009930.3
20103128.6
20113828.6
20125728.6
20132328.6
2014828.6
20151828.6
20162528.6
First to last qualifying date each year at Rochelle For each year, a bar from the first to the last day at Rochelle meeting 30 C (86 F). 1979: 10 May 1979 to 10 August 19791980: 23 April 1980 to 9 September 19801981: 29 June 1981 to 5 August 19811983: 12 June 1983 to 10 September 19831984: 5 June 1984 to 21 September 19841986: 25 April 1986 to 27 September 19861987: 20 April 1987 to 21 August 19871988: 29 May 1988 to 23 September 19881989: 25 May 1989 to 23 August 19891990: 13 June 1990 to 6 October 19901991: 14 May 1991 to 15 September 19911992: 2 May 1992 to 26 August 19921993: 23 June 1993 to 31 August 19931994: 22 May 1994 to 15 September 19941995: 7 June 1995 to 6 September 19951996: 18 May 1996 to 23 August 19961997: 19 June 1997 to 8 October 19971998: 15 May 1998 to 27 September 19981999: 29 May 1999 to 6 September 19992000: 2 June 2000 to 20 September 20002001: 16 May 2001 to 8 September 20012002: 16 April 2002 to 1 October 20022003: 15 April 2003 to 29 August 20032004: 10 May 2004 to 15 September 20042005: 5 June 2005 to 5 October 20052006: 28 May 2006 to 4 October 20062007: 15 May 2007 to 8 October 20072008: 6 June 2008 to 3 September 20082009: 20 June 2009 to 10 August 20092010: 24 May 2010 to 11 October 20102011: 11 May 2011 to 3 September 20112012: 20 May 2012 to 13 September 20122013: 15 May 2013 to 20 September 20132014: 9 May 2014 to 25 August 20142015: 10 June 2015 to 8 September 20152016: 11 June 2016 to 26 September 201619791986199119962001200620112016JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Rochelle meeting 30 C (86 F).
First to last qualifying date each year at Rochelle
YearFirst dateLast date
19791979-05-101979-08-10
19801980-04-231980-09-09
19811981-06-291981-08-05
19831983-06-121983-09-10
19841984-06-051984-09-21
19861986-04-251986-09-27
19871987-04-201987-08-21
19881988-05-291988-09-23
19891989-05-251989-08-23
19901990-06-131990-10-06
19911991-05-141991-09-15
19921992-05-021992-08-26
19931993-06-231993-08-31
19941994-05-221994-09-15
19951995-06-071995-09-06
19961996-05-181996-08-23
19971997-06-191997-10-08
19981998-05-151998-09-27
19991999-05-291999-09-06
20002000-06-022000-09-20
20012001-05-162001-09-08
20022002-04-162002-10-01
20032003-04-152003-08-29
20042004-05-102004-09-15
20052005-06-052005-10-05
20062006-05-282006-10-04
20072007-05-152007-10-08
20082008-06-062008-09-03
20092009-06-202009-08-10
20102010-05-242010-10-11
20112011-05-112011-09-03
20122012-05-202012-09-13
20132013-05-152013-09-20
20142014-05-092014-08-25
20152015-06-102015-09-08
20162016-06-112016-09-26

Every Fixed Threshold

Fixed thresholds at Rochelle
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3662198825
35 C (95 F): Days192019889
90 F (32.2 C): Days344419883
100 F (37.8 C): Days2419881
0 C (32 F): Ice days (max3680201442
0 C (32 F): Frost days (min371652014123
-10 C (14 F): Days with min3775201432
-20 C (-4 F): Days with min363019798
-30 C (-22 F): Days with min11919791
20 C (68 F): Tropical nights (min3628198812
25 C (77 F): Days with min2119881
10 mm (0.39 in): Days with 10 mm or more rain3643200837
25 mm (0.98 in): Days with 25 mm or more rain3612199310
50 mm (1.97 in): Days with 50 mm or more rain28319872
100 mm (3.94 in): Days with 100 mm or more rain3219962
200 mm (7.87 in): Days with 200 mm or more rain1119871
10 cm (3.9 in): Days with 10 cm or more snowfall24520001
25 cm (9.8 in): Days with 25 cm or more snowfall2119791

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1979.

Download the Data

  • Data for Rochelle 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).