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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Riverton (River) Weather Records (USC00117318)

Record envelope, standing records and threshold days for Riverton (River) (USC00117318), Illinois, United States, with 49 years of record.

Key Facts for Riverton (River)

  • Riverton (River) (USC00117318) is a weather station in Illinois, United States at 39.84 latitude and -89.55 longitude, 181 m (595 ft) above sea level.
  • The station reports from 1961 to 2009, 49 years of record.
  • 0 records set at Riverton (River) 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, 39.84 latitude, -89.55 longitude.
  • Elevation: 181 m (595 ft).
  • Period of record: 1961 to 2009, 49 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Riverton (River), with 2026 drawn through them The band shows the record high and record low for each calendar day at Riverton (River). The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 000111 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Riverton (River). 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 Riverton (River), with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jann/an/an/an/a
Febn/an/an/an/a
Marn/an/an/an/a
Aprn/an/an/an/a
Mayn/an/an/an/a
Junn/an/an/an/a
Juln/an/an/an/a
Augn/an/an/an/a
Sepn/an/an/an/a
Octn/an/an/an/a
Novn/an/an/an/a
Decn/an/an/an/a

Which Years Hold Standing Records

0 standing records
Standing records at Riverton (River) by the year they were set 0 records at Riverton (River) still stand. 00000000000
0 records at Riverton (River) still stand.
Standing records at Riverton (River) by the year they were set
Year setStanding records

Wettest Day of Each Month

Aug: 158.8 mm (6.3 in)
Record daily precipitation for each month at Riverton (River) The wettest day on record for each calendar month at Riverton (River). The most was 158.8 mm (6.3 in) on 3 August 1981. 050100150200 Jan: 64.8 mm (2.6 in), 30 January 2001 Jan Feb: 44.7 mm (1.8 in), 25 February 2001 Feb Mar: 48.3 mm (1.9 in), 13 March 2006 Mar Apr: 69.6 mm (2.7 in), 22 April 1984 Apr May: 84.1 mm (3.3 in), 21 May 1982 May Jun: 85.1 mm (3.4 in), 3 June 2008 Jun Jul: 101.6 mm (4.0 in), 12 July 2008 Jul Aug: 158.8 mm (6.3 in), 3 August 1981 Aug Sep: 137.2 mm (5.4 in), 20 September 1986 Sep Oct: 74.4 mm (2.9 in), 23 October 1983 Oct Nov: 60.7 mm (2.4 in), 18 November 2003 Nov Dec: 45.7 mm (1.8 in), 24 December 1979 Dec
The wettest day on record for each calendar month at Riverton (River). The most was 158.8 mm (6.3 in) on 3 August 1981.
Record daily precipitation for each month at Riverton (River)
MonthRecord daily precipitation (mm)Date
Jan64.8 mm (2.6 in)30 January 2001
Feb44.7 mm (1.8 in)25 February 2001
Mar48.3 mm (1.9 in)13 March 2006
Apr69.6 mm (2.7 in)22 April 1984
May84.1 mm (3.3 in)21 May 1982
Jun85.1 mm (3.4 in)3 June 2008
Jul101.6 mm (4.0 in)12 July 2008
Aug158.8 mm (6.3 in)3 August 1981
Sep137.2 mm (5.4 in)20 September 1986
Oct74.4 mm (2.9 in)23 October 1983
Nov60.7 mm (2.4 in)18 November 2003
Dec45.7 mm (1.8 in)24 December 1979

Latest Records

0

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

Extremes by Year

1961 to 2009
Yearly extremes at Riverton (River): the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)158.8 mm (6.3 in)198160.1 mm (2.4 in)26
Wettest five days (Rx5day)205.8 mm (8.1 in)198179.7 mm (3.1 in)25
Longest dry spell (CDD)37 days198821 days26

Wettest day (Rx1day)

Wettest day (Rx1day) at Riverton (River) by year The wettest day of the year at Riverton (River), 1961 to 2009. The record is 158.8 mm (6.3 in) in 1981, marked on the chart; the median year is 60.1 mm (2.4 in). 0501001502001970198019902000Record: 158.8 mm (6.3 in) in 1981
The wettest day of the year at Riverton (River), 1961 to 2009. The record is 158.8 mm (6.3 in) in 1981, marked on the chart; the median year is 60.1 mm (2.4 in).
Wettest day (Rx1day) at Riverton (River) by year
YearWettest day (Rx1day)
1961n/a
1962n/a
19630.0 mm (0.00 in)
1964n/a
197559.2 mm (2.3 in)
19764.8 mm (0.19 in)
197829.0 mm (1.1 in)
197947.8 mm (1.9 in)
198059.4 mm (2.3 in)
1981158.8 mm (6.3 in)
198284.1 mm (3.3 in)
198374.4 mm (2.9 in)
198469.6 mm (2.7 in)
198555.9 mm (2.2 in)
1986137.2 mm (5.4 in)
198754.6 mm (2.1 in)
198822.1 mm (0.9 in)
199860.7 mm (2.4 in)
199976.2 mm (3.0 in)
200043.4 mm (1.7 in)
200164.8 mm (2.6 in)
200276.7 mm (3.0 in)
200360.7 mm (2.4 in)
200458.9 mm (2.3 in)
200544.5 mm (1.8 in)
200664.8 mm (2.6 in)
200750.3 mm (2.0 in)
2008101.6 mm (4.0 in)
200971.6 mm (2.8 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Riverton (River) by year The wettest five days of the year at Riverton (River), 1961 to 2009. The record is 205.8 mm (8.1 in) in 1981, marked on the chart; the median year is 79.7 mm (3.1 in). 0501001502002501970198019902000Record: 205.8 mm (8.1 in) in 1981
The wettest five days of the year at Riverton (River), 1961 to 2009. The record is 205.8 mm (8.1 in) in 1981, marked on the chart; the median year is 79.7 mm (3.1 in).
Wettest five days (Rx5day) at Riverton (River) by year
YearWettest five days (Rx5day)
1961n/a
1962n/a
1963n/a
1964n/a
197588.9 mm (3.5 in)
19766.1 mm (0.24 in)
197853.6 mm (2.1 in)
197984.9 mm (3.3 in)
198083.9 mm (3.3 in)
1981205.8 mm (8.1 in)
198284.1 mm (3.3 in)
198398.5 mm (3.9 in)
198472.1 mm (2.8 in)
198577.5 mm (3.1 in)
198669.4 mm (2.7 in)
198755.1 mm (2.2 in)
198838.8 mm (1.5 in)
199874.7 mm (2.9 in)
199983.1 mm (3.3 in)
200069.6 mm (2.7 in)
2001110.5 mm (4.4 in)
2002104.7 mm (4.1 in)
200371.1 mm (2.8 in)
200479.7 mm (3.1 in)
200573.7 mm (2.9 in)
200694.0 mm (3.7 in)
200754.1 mm (2.1 in)
2008169.7 mm (6.7 in)
2009114.8 mm (4.5 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Riverton (River) by year The longest dry spell of the year at Riverton (River), 1961 to 2009. The record is 37 days in 1988, marked on the chart; the median year is 21 days. 0102030401970198019902000Record: 37 days in 1988
The longest dry spell of the year at Riverton (River), 1961 to 2009. The record is 37 days in 1988, marked on the chart; the median year is 21 days.
Longest dry spell (CDD) at Riverton (River) by year
YearLongest dry spell (CDD)
1961n/a
1962n/a
19631 day
1964n/a
197523 days
197617 days
197833 days
197929 days
198033 days
198126 days
198228 days
198321 days
198417 days
198516 days
198631 days
198716 days
198837 days
199820 days
199937 days
200017 days
200114 days
200225 days
200315 days
200426 days
200520 days
200620 days
200718 days
200833 days
200920 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 Riverton (River) standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Riverton (River) 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 . Last revised (2025-12-31).