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

Alley Spring Rgr STN Weather Records (USC00230088)

Record envelope, standing records and threshold days for Alley Spring Rgr STN (USC00230088), Missouri, United States, with 38 years of record.

Key Facts for Alley Spring Rgr STN

  • Alley Spring Rgr STN (USC00230088) is a weather station in Missouri, United States at 37.15 latitude and -91.44 longitude, 213 m (700 ft) above sea level.
  • The station reports from 1973 to 2010, 38 years of record.
  • 682 records set at Alley Spring Rgr STN still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: Missouri, United States, 37.15 latitude, -91.44 longitude.
  • Elevation: 213 m (700 ft).
  • Period of record: 1973 to 2010, 38 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Alley Spring Rgr STN, with 2026 drawn through them The band shows the record high and record low for each calendar day at Alley Spring Rgr STN. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Alley Spring Rgr STN. 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 Alley Spring Rgr STN, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan21.1 C (70.0 F)-15.6 C (3.9 F)n/an/a
Feb23.3 C (73.9 F)-13.3 C (8.1 F)n/an/a
Mar22.2 C (72.0 F)-3.3 C (26.1 F)n/an/a
Apr27.8 C (82.0 F)-4.4 C (24.1 F)n/an/a
May32.2 C (90.0 F)3.3 C (37.9 F)n/an/a
Jun32.2 C (90.0 F)10.0 C (50.0 F)n/an/a
Jul36.7 C (98.1 F)18.9 C (66.0 F)n/an/a
Augn/an/an/an/a
Sepn/an/an/an/a
Oct30.0 C (86.0 F)5.6 C (42.1 F)n/an/a
Nov24.4 C (75.9 F)2.2 C (36.0 F)n/an/a
Dec21.1 C (70.0 F)7.8 C (46.0 F)n/an/a

Which Years Hold Standing Records

682 standing records
Standing records at Alley Spring Rgr STN by the year they were set 682 records at Alley Spring Rgr STN still stand. 1982 holds the most, with 369. 01002003004001982: 3691986: 1751991: 138198219861991
682 records at Alley Spring Rgr STN still stand. 1982 holds the most, with 369.
Standing records at Alley Spring Rgr STN by the year they were set
Year setStanding records
1982369
1986175
1991138

Wettest Day of Each Month

Mar: 203.2 mm (8.0 in)
Record daily precipitation for each month at Alley Spring Rgr STN The wettest day on record for each calendar month at Alley Spring Rgr STN. The most was 203.2 mm (8.0 in) on 18 March 2008. 0100200300 Jan: 69.9 mm (2.8 in), 4 January 1993 Jan Feb: 104.6 mm (4.1 in), 25 February 2001 Feb Mar: 203.2 mm (8.0 in), 18 March 2008 Mar Apr: 79.2 mm (3.1 in), 21 April 1974 Apr May: 87.6 mm (3.4 in), 3 May 2009 May Jun: 82.0 mm (3.2 in), 1 June 2006 Jun Jul: 146.1 mm (5.8 in), 28 July 1979 Jul Aug: 81.3 mm (3.2 in), 8 August 1999 Aug Sep: 130.6 mm (5.1 in), 22 September 1984 Sep Oct: 153.2 mm (6.0 in), 30 October 2009 Oct Nov: 164.6 mm (6.5 in), 14 November 1993 Nov Dec: 88.9 mm (3.5 in), 13 December 2007 Dec
The wettest day on record for each calendar month at Alley Spring Rgr STN. The most was 203.2 mm (8.0 in) on 18 March 2008.
Record daily precipitation for each month at Alley Spring Rgr STN
MonthRecord daily precipitation (mm)Date
Jan69.9 mm (2.8 in)4 January 1993
Feb104.6 mm (4.1 in)25 February 2001
Mar203.2 mm (8.0 in)18 March 2008
Apr79.2 mm (3.1 in)21 April 1974
May87.6 mm (3.4 in)3 May 2009
Jun82.0 mm (3.2 in)1 June 2006
Jul146.1 mm (5.8 in)28 July 1979
Aug81.3 mm (3.2 in)8 August 1999
Sep130.6 mm (5.1 in)22 September 1984
Oct153.2 mm (6.0 in)30 October 2009
Nov164.6 mm (6.5 in)14 November 1993
Dec88.9 mm (3.5 in)13 December 2007

Period of Record Coverage

1982 to 1991
Days with data per year at Alley Spring Rgr STN 3 years of record at Alley Spring Rgr STN, 1982 to 1991. 3 years have data for under 90 percent of days and are left out of rankings: 1982, 1986, 1991. 1982: 115 of 365 days1986: 57 of 365 days1991: 62 of 365 days
3 years of record at Alley Spring Rgr STN, 1982 to 1991. 3 years have data for under 90 percent of days and are left out of rankings: 1982, 1986, 1991.
Days with data per year at Alley Spring Rgr STN
YearDays with dataShare of yearComplete
198211532%No
19865716%No
19916217%No

Latest Records

0

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

Extremes by Year

1973 to 2010
Yearly extremes at Alley Spring Rgr STN: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)36.7 C (98.1 F)198232.2 C (90.0 F)3
Coldest night (TNn)-15.6 C (3.9 F)1986-13.3 C (8.1 F)3
Wettest day (Rx1day)203.2 mm (8.0 in)200879.2 mm (3.1 in)35
Wettest five days (Rx5day)388.1 mm (15.3 in)2008119.4 mm (4.7 in)33
Longest dry spell (CDD)48 days200822 days33

Hottest day (TXx)

Hottest day (TXx) at Alley Spring Rgr STN by year The hottest day of the year at Alley Spring Rgr STN, 1973 to 2010. The record is 36.7 C (98.1 F) in 1982, marked on the chart; the median year is 32.2 C (90.0 F). 20253035401980199020002010Record: 36.7 C (98.1 F) in 1982
The hottest day of the year at Alley Spring Rgr STN, 1973 to 2010. The record is 36.7 C (98.1 F) in 1982, marked on the chart; the median year is 32.2 C (90.0 F).
Hottest day (TXx) at Alley Spring Rgr STN by year
YearHottest day (TXx)
1973n/a
1974n/a
1975n/a
1976n/a
1979n/a
1980n/a
1981n/a
198236.7 C (98.1 F)
1983n/a
1984n/a
1985n/a
198623.3 C (73.9 F)
1987n/a
1988n/a
1989n/a
1990n/a
199132.2 C (90.0 F)
1992n/a
1993n/a
1994n/a
1996n/a
1997n/a
1998n/a
1999n/a
2000n/a
2001n/a
2002n/a
2003n/a
2004n/a
2005n/a
2006n/a
2007n/a
2008n/a
2009n/a
2010n/a

Coldest night (TNn)

Coldest night (TNn) at Alley Spring Rgr STN by year The coldest night of the year at Alley Spring Rgr STN, 1973 to 2010. The record is -15.6 C (3.9 F) in 1986, marked on the chart; the median year is -13.3 C (8.1 F). -20-15-10-501980199020002010Record: -15.6 C (3.9 F) in 1986
The coldest night of the year at Alley Spring Rgr STN, 1973 to 2010. The record is -15.6 C (3.9 F) in 1986, marked on the chart; the median year is -13.3 C (8.1 F).
Coldest night (TNn) at Alley Spring Rgr STN by year
YearColdest night (TNn)
1973n/a
1974n/a
1975n/a
1976n/a
1979n/a
1980n/a
1981n/a
1982-4.4 C (24.1 F)
1983n/a
1984n/a
1985n/a
1986-15.6 C (3.9 F)
1987n/a
1988n/a
1989n/a
1990n/a
1991-13.3 C (8.1 F)
1992n/a
1993n/a
1994n/a
1996n/a
1997n/a
1998n/a
1999n/a
2000n/a
2001n/a
2002n/a
2003n/a
2004n/a
2005n/a
2006n/a
2007n/a
2008n/a
2009n/a
2010n/a

Wettest day (Rx1day)

Wettest day (Rx1day) at Alley Spring Rgr STN by year The wettest day of the year at Alley Spring Rgr STN, 1973 to 2010. The record is 203.2 mm (8.0 in) in 2008, marked on the chart; the median year is 79.2 mm (3.1 in). 0501001502002501980199020002010Record: 203.2 mm (8.0 in) in 2008
The wettest day of the year at Alley Spring Rgr STN, 1973 to 2010. The record is 203.2 mm (8.0 in) in 2008, marked on the chart; the median year is 79.2 mm (3.1 in).
Wettest day (Rx1day) at Alley Spring Rgr STN by year
YearWettest day (Rx1day)
197371.1 mm (2.8 in)
197479.2 mm (3.1 in)
197559.4 mm (2.3 in)
197692.7 mm (3.6 in)
1979146.1 mm (5.8 in)
198049.8 mm (2.0 in)
198181.3 mm (3.2 in)
198266.0 mm (2.6 in)
198357.7 mm (2.3 in)
1984130.6 mm (5.1 in)
198580.3 mm (3.2 in)
198649.0 mm (1.9 in)
198758.4 mm (2.3 in)
198872.9 mm (2.9 in)
198971.6 mm (2.8 in)
199053.3 mm (2.1 in)
199169.1 mm (2.7 in)
199263.5 mm (2.5 in)
1993164.6 mm (6.5 in)
199473.7 mm (2.9 in)
199680.0 mm (3.1 in)
199763.8 mm (2.5 in)
199891.4 mm (3.6 in)
199981.3 mm (3.2 in)
200066.0 mm (2.6 in)
2001104.6 mm (4.1 in)
200285.3 mm (3.4 in)
200365.8 mm (2.6 in)
200478.7 mm (3.1 in)
2005119.4 mm (4.7 in)
200682.0 mm (3.2 in)
200788.9 mm (3.5 in)
2008203.2 mm (8.0 in)
2009153.2 mm (6.0 in)
201082.6 mm (3.3 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Alley Spring Rgr STN by year The wettest five days of the year at Alley Spring Rgr STN, 1973 to 2010. The record is 388.1 mm (15.3 in) in 2008, marked on the chart; the median year is 119.4 mm (4.7 in). 01002003004001980199020002010Record: 388.1 mm (15.3 in) in 2008
The wettest five days of the year at Alley Spring Rgr STN, 1973 to 2010. The record is 388.1 mm (15.3 in) in 2008, marked on the chart; the median year is 119.4 mm (4.7 in).
Wettest five days (Rx5day) at Alley Spring Rgr STN by year
YearWettest five days (Rx5day)
1973137.6 mm (5.4 in)
197479.2 mm (3.1 in)
197553.4 mm (2.1 in)
19760.0 mm (0.00 in)
1979n/a
1980n/a
1981119.4 mm (4.7 in)
1982143.0 mm (5.6 in)
198369.6 mm (2.7 in)
1984142.8 mm (5.6 in)
1985149.6 mm (5.9 in)
198699.3 mm (3.9 in)
1987103.6 mm (4.1 in)
1988114.9 mm (4.5 in)
198995.7 mm (3.8 in)
199076.4 mm (3.0 in)
1991172.5 mm (6.8 in)
1992132.3 mm (5.2 in)
1993149.4 mm (5.9 in)
1994194.3 mm (7.6 in)
1996141.0 mm (5.6 in)
199778.8 mm (3.1 in)
1998135.7 mm (5.3 in)
199983.3 mm (3.3 in)
2000101.9 mm (4.0 in)
2001136.7 mm (5.4 in)
200285.3 mm (3.4 in)
2003149.9 mm (5.9 in)
200483.8 mm (3.3 in)
2005128.8 mm (5.1 in)
2006113.5 mm (4.5 in)
2007116.8 mm (4.6 in)
2008388.1 mm (15.3 in)
2009153.2 mm (6.0 in)
2010124.5 mm (4.9 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Alley Spring Rgr STN by year The longest dry spell of the year at Alley Spring Rgr STN, 1973 to 2010. The record is 48 days in 2008, marked on the chart; the median year is 22 days. 10203040501980199020002010Record: 48 days in 2008
The longest dry spell of the year at Alley Spring Rgr STN, 1973 to 2010. The record is 48 days in 2008, marked on the chart; the median year is 22 days.
Longest dry spell (CDD) at Alley Spring Rgr STN by year
YearLongest dry spell (CDD)
197322 days
197422 days
197516 days
197630 days
1979n/a
1980n/a
198115 days
198221 days
198317 days
198412 days
198520 days
198623 days
198725 days
198815 days
198915 days
199028 days
199119 days
199221 days
199313 days
199419 days
199614 days
199728 days
199844 days
199933 days
200024 days
200132 days
200228 days
200319 days
200440 days
200523 days
200617 days
200728 days
200848 days
200929 days
201030 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 Alley Spring Rgr STN standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Alley Spring Rgr STN 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).