Grayville Weather Records (USC00113612)

Record envelope, standing records and threshold days for Grayville (USC00113612), Illinois, United States, with 117 years of record.

Key Facts for Grayville

Grayville (USC00113612) is a weather station in Illinois, United States at 38.28 latitude and -88.00 longitude, 133 m (435 ft) above sea level.
The station reports from 1897 to 2013, 117 years of record.
1,464 records set at Grayville still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Illinois, United States, 38.28 latitude, -88.00 longitude.
Elevation: 133 m (435 ft).
Period of record: 1897 to 2013, 117 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Grayville. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Grayville, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	21.1 C (70.0 F)	-22.2 C (-8.0 F)	n/a	n/a
Feb	22.8 C (73.0 F)	-26.1 C (-15.0 F)	n/a	n/a
Mar	28.9 C (84.0 F)	-15.6 C (3.9 F)	n/a	n/a
Apr	32.2 C (90.0 F)	-3.3 C (26.1 F)	n/a	n/a
May	34.4 C (93.9 F)	2.2 C (36.0 F)	n/a	n/a
Jun	41.1 C (106.0 F)	6.7 C (44.1 F)	n/a	n/a
Jul	41.1 C (106.0 F)	11.7 C (53.1 F)	n/a	n/a
Aug	40.0 C (104.0 F)	9.4 C (48.9 F)	n/a	n/a
Sep	38.3 C (100.9 F)	0.6 C (33.1 F)	n/a	n/a
Oct	33.9 C (93.0 F)	-2.8 C (27.0 F)	n/a	n/a
Nov	27.8 C (82.0 F)	-11.1 C (12.0 F)	n/a	n/a
Dec	23.3 C (73.9 F)	-22.2 C (-8.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Grayville still stand. 2012 holds the most, with 117.

Standing records at Grayville by the year they were set
Year set	Standing records
1897	40
1898	94
1899	99
1900	74
1901	64
2000	16
2001	88
2002	87
2003	95
2004	73
2005	68
2006	74
2007	99
2008	70
2009	82
2010	92
2011	87
2012	117
2013	45

Wettest Day of Each Month

Aug: 174.5 mm (6.9 in)

The wettest day on record for each calendar month at Grayville. The most was 174.5 mm (6.9 in) on 26 August 2004.

Record daily precipitation for each month at Grayville
Month	Record daily precipitation (mm)	Date
Jan	45.5 mm (1.8 in)	19 January 1898
Feb	50.0 mm (2.0 in)	6 February 2008
Mar	108.0 mm (4.3 in)	12 March 2006
Apr	67.3 mm (2.6 in)	23 April 2011
May	89.7 mm (3.5 in)	19 May 2001
Jun	55.4 mm (2.2 in)	26 June 1898
Jul	67.3 mm (2.6 in)	1 July 2013
Aug	174.5 mm (6.9 in)	26 August 2004
Sep	86.1 mm (3.4 in)	25 September 2011
Oct	94.0 mm (3.7 in)	18 October 2007
Nov	128.8 mm (5.1 in)	16 November 2005
Dec	66.0 mm (2.6 in)	13 December 1901

Period of Record Coverage

1897 to 2013

19 years of record at Grayville, 1897 to 2013. 6 years have data for under 90 percent of days and are left out of rankings: 1897, 1901, 2000, 2001, 2004, 2013.

Days with data per year at Grayville
Year	Days with data	Share of year	Complete
1897	153	42%	No
1898	359	98%	Yes
1899	356	98%	Yes
1900	332	91%	Yes
1901	231	63%	No
2000	31	8%	No
2001	305	84%	No
2002	363	99%	Yes
2003	363	99%	Yes
2004	303	83%	No
2005	334	92%	Yes
2006	365	100%	Yes
2007	365	100%	Yes
2008	366	100%	Yes
2009	364	100%	Yes
2010	365	100%	Yes
2011	363	99%	Yes
2012	331	90%	Yes
2013	234	64%	No

Latest Records

No records were set at this station in the latest data.

Climate Trend

11 complete years, 1898 to 2011

One stripe for each of 11 complete years at Grayville, 1898 to 2011. Blue stripes are years cooler than the station's own mean of 13.8 C (56.8 F); red stripes are warmer. The coolest year was 2003, at 12.7 C (54.9 F), and the warmest was 1900, at 14.9 C (58.8 F). The strongest colour marks a difference of 1.1 C (2.0 F).

Annual mean temperature at Grayville as warming stripes, 1898 to 2011
Year	Annual mean temperature	Difference from the station mean
1898	14.7 C	+0.88 C
1899	14.1 C	+0.35 C
1900	14.9 C	+1.10 C
2002	13.6 C	-0.16 C
2003	12.7 C	-1.06 C
2006	13.8 C	+0.05 C
2007	14.3 C	+0.56 C
2008	12.9 C	-0.93 C
2009	13.2 C	-0.60 C
2010	13.6 C	-0.18 C
2011	13.8 C	+0.02 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1897 to 2013

Yearly extremes at Grayville: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	41.1 C (106.0 F)	1901	36.7 C (98.1 F)	19
Coldest night (TNn)	-26.1 C (-15.0 F)	1899	-16.1 C (3.0 F)	19
Wettest day (Rx1day)	174.5 mm (6.9 in)	2004	72.4 mm (2.9 in)	19
Wettest five days (Rx5day)	228.1 mm (9.0 in)	2006	110.1 mm (4.3 in)	19
Longest dry spell (CDD)	38 days	2004	18 days	19

Hottest day (TXx)

The hottest day of the year at Grayville, 1897 to 2013. The record is 41.1 C (106.0 F) in 1901, marked on the chart; the median year is 36.7 C (98.1 F).

Hottest day (TXx) at Grayville by year
Year	Hottest day (TXx)
1897	37.2 C (99.0 F)
1898	36.7 C (98.1 F)
1899	38.3 C (100.9 F)
1900	37.2 C (99.0 F)
1901	41.1 C (106.0 F)
2000	10.0 C (50.0 F)
2001	35.6 C (96.1 F)
2002	37.2 C (99.0 F)
2003	36.7 C (98.1 F)
2004	33.3 C (91.9 F)
2005	36.1 C (97.0 F)
2006	35.6 C (96.1 F)
2007	40.0 C (104.0 F)
2008	35.6 C (96.1 F)
2009	36.1 C (97.0 F)
2010	39.4 C (102.9 F)
2011	37.8 C (100.0 F)
2012	41.1 C (106.0 F)
2013	34.4 C (93.9 F)

Coldest night (TNn)

The coldest night of the year at Grayville, 1897 to 2013. The record is -26.1 C (-15.0 F) in 1899, marked on the chart; the median year is -16.1 C (3.0 F).

Coldest night (TNn) at Grayville by year
Year	Coldest night (TNn)
1897	-10.0 C (14.0 F)
1898	-13.9 C (7.0 F)
1899	-26.1 C (-15.0 F)
1900	-19.4 C (-2.9 F)
1901	-22.2 C (-8.0 F)
2000	-18.9 C (-2.0 F)
2001	-10.0 C (14.0 F)
2002	-15.6 C (3.9 F)
2003	-17.8 C (0.0 F)
2004	-22.2 C (-8.0 F)
2005	-16.1 C (3.0 F)
2006	-15.6 C (3.9 F)
2007	-15.6 C (3.9 F)
2008	-15.6 C (3.9 F)
2009	-19.4 C (-2.9 F)
2010	-17.2 C (1.0 F)
2011	-16.1 C (3.0 F)
2012	-12.2 C (10.0 F)
2013	-12.2 C (10.0 F)

Wettest day (Rx1day)

The wettest day of the year at Grayville, 1897 to 2013. The record is 174.5 mm (6.9 in) in 2004, marked on the chart; the median year is 72.4 mm (2.9 in).

Wettest day (Rx1day) at Grayville by year
Year	Wettest day (Rx1day)
1897	40.1 mm (1.6 in)
1898	55.4 mm (2.2 in)
1899	43.2 mm (1.7 in)
1900	50.8 mm (2.0 in)
1901	66.0 mm (2.6 in)
2000	29.5 mm (1.2 in)
2001	89.7 mm (3.5 in)
2002	86.4 mm (3.4 in)
2003	40.6 mm (1.6 in)
2004	174.5 mm (6.9 in)
2005	128.8 mm (5.1 in)
2006	108.0 mm (4.3 in)
2007	94.0 mm (3.7 in)
2008	103.9 mm (4.1 in)
2009	83.8 mm (3.3 in)
2010	59.9 mm (2.4 in)
2011	86.1 mm (3.4 in)
2012	72.4 mm (2.9 in)
2013	67.3 mm (2.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Grayville, 1897 to 2013. The record is 228.1 mm (9.0 in) in 2006, marked on the chart; the median year is 110.1 mm (4.3 in).

Wettest five days (Rx5day) at Grayville by year
Year	Wettest five days (Rx5day)
1897	71.1 mm (2.8 in)
1898	96.5 mm (3.8 in)
1899	67.1 mm (2.6 in)
1900	97.8 mm (3.9 in)
1901	82.5 mm (3.2 in)
2000	73.2 mm (2.9 in)
2001	123.1 mm (4.8 in)
2002	121.7 mm (4.8 in)
2003	76.1 mm (3.0 in)
2004	222.5 mm (8.8 in)
2005	171.5 mm (6.8 in)
2006	228.1 mm (9.0 in)
2007	101.2 mm (4.0 in)
2008	157.0 mm (6.2 in)
2009	110.1 mm (4.3 in)
2010	115.6 mm (4.6 in)
2011	154.2 mm (6.1 in)
2012	146.1 mm (5.8 in)
2013	97.8 mm (3.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Grayville, 1897 to 2013. The record is 38 days in 2004, marked on the chart; the median year is 18 days.

Longest dry spell (CDD) at Grayville by year
Year	Longest dry spell (CDD)
1897	23 days
1898	17 days
1899	24 days
1900	18 days
1901	23 days
2000	9 days
2001	25 days
2002	21 days
2003	15 days
2004	38 days
2005	21 days
2006	16 days
2007	18 days
2008	17 days
2009	16 days
2010	21 days
2011	17 days
2012	29 days
2013	16 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

Data for Grayville standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Grayville 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).