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Data as of 2026-10-12
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Built 2026-10-16 (16 October 2026)

Big Stone City 2 NW Weather Records (USC00390662)

Record envelope, standing records and threshold days for Big Stone City 2 NW (USC00390662), South Dakota, United States, with 44 years of record.

Key Facts for Big Stone City 2 NW

  • Big Stone City 2 NW (USC00390662) is a weather station in South Dakota, United States at 45.30 latitude and -96.50 longitude, 340 m (1,115 ft) above sea level.
  • The station reports from 1983 to 2026, 44 years of record.
  • 0 records set at Big Stone City 2 NW still stand.
  • Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Big Stone City 2 NW set a daily record precipitation of 53.3 mm (2.1 in) on 31 July 2026.

About the Station

  • Location: South Dakota, United States, 45.30 latitude, -96.50 longitude.
  • Elevation: 340 m (1,115 ft).
  • Period of record: 1983 to 2026, 44 years.
  • Eligible elements: prcp, snow, snwd.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Big Stone City 2 NW, with 2026 drawn through them The band shows the record high and record low for each calendar day at Big Stone City 2 NW. 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 Big Stone City 2 NW. 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 Big Stone City 2 NW, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
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Which Years Hold Standing Records

0 standing records
Standing records at Big Stone City 2 NW by the year they were set 0 records at Big Stone City 2 NW still stand. 00000000000
0 records at Big Stone City 2 NW still stand.
Standing records at Big Stone City 2 NW by the year they were set
Year setStanding records

Wettest Day of Each Month

Jul: 138.4 mm (5.4 in)
Record daily precipitation for each month at Big Stone City 2 NW The wettest day on record for each calendar month at Big Stone City 2 NW. The most was 138.4 mm (5.4 in) on 7 July 1994. 050100150 Jan: 37.6 mm (1.5 in), 3 January 1997 Jan Feb: 41.9 mm (1.6 in), 19 February 1986 Feb Mar: 47.0 mm (1.9 in), 23 March 2009 Mar Apr: 67.6 mm (2.7 in), 23 April 1985 Apr May: 43.7 mm (1.7 in), 28 May 2011 May Jun: 98.8 mm (3.9 in), 11 June 2008 Jun Jul: 138.4 mm (5.4 in), 7 July 1994 Jul Aug: 105.2 mm (4.1 in), 10 August 2014 Aug Sep: 59.7 mm (2.4 in), 21 September 2007 Sep Oct: 76.2 mm (3.0 in), 10 October 2021 Oct Nov: 47.5 mm (1.9 in), 1 November 2000 Nov Dec: 32.5 mm (1.3 in), 25 December 2023 Dec
The wettest day on record for each calendar month at Big Stone City 2 NW. The most was 138.4 mm (5.4 in) on 7 July 1994.
Record daily precipitation for each month at Big Stone City 2 NW
MonthRecord daily precipitation (mm)Date
Jan37.6 mm (1.5 in)3 January 1997
Feb41.9 mm (1.6 in)19 February 1986
Mar47.0 mm (1.9 in)23 March 2009
Apr67.6 mm (2.7 in)23 April 1985
May43.7 mm (1.7 in)28 May 2011
Jun98.8 mm (3.9 in)11 June 2008
Jul138.4 mm (5.4 in)7 July 1994
Aug105.2 mm (4.1 in)10 August 2014
Sep59.7 mm (2.4 in)21 September 2007
Oct76.2 mm (3.0 in)10 October 2021
Nov47.5 mm (1.9 in)1 November 2000
Dec32.5 mm (1.3 in)25 December 2023

Latest Records

20
Latest records at Big Stone City 2 NW
DateStationRecordValueBeat old record byOld record stoodSignificance
31 July 2026Big Stone City 2 NW, USdaily rain53.3 mm (2.1 in)1.7 mm (0.07 in)17 years10 of 100 (Routine)
28 June 2026Big Stone City 2 NW, USdaily rain22.4 mm (0.9 in)5.9 mm (0.23 in)27 years16 of 100 (Routine)
23 May 2026Big Stone City 2 NW, USdaily rain11.4 mm (0.4 in)2.0 mm (0.08 in)15 years10 of 100 (Routine)
27 April 2026Big Stone City 2 NW, USdaily rain26.7 mm (1.1 in)5.9 mm (0.23 in)12 years11 of 100 (Routine)
4 April 2026Big Stone City 2 NW, USdaily rain6.1 mm (0.24 in)3.1 mm (0.12 in)27 years14 of 100 (Routine)
4 April 2026Big Stone City 2 NW, USdaily snowfall10.2 cm (4.0 in)5.1 cm (2.0 in)3 years14 of 100 (Routine)
7 March 2026Big Stone City 2 NW, USdaily snowfall5.1 cm (2.0 in)4.1 cm (1.6 in)15 years14 of 100 (Routine)
10 December 2025Big Stone City 2 NW, USdaily rain4.6 mm (0.18 in)2.3 mm (0.09 in)42 years20 of 100 (Routine)
6 December 2025Big Stone City 2 NW, USdaily snowfall4.6 cm (1.8 in)3.3 cm (1.3 in)32 years19 of 100 (Routine)
30 November 2025Big Stone City 2 NW, USdaily snowfall9.7 cm (3.8 in)3.3 cm (1.3 in)6 years11 of 100 (Routine)
26 November 2025Big Stone City 2 NW, USdaily snowfall19.3 cm (7.6 in)11.7 cm (4.6 in)11 years30 of 100 (Routine)
26 November 2025Big Stone City 2 NW, USdaily rain19.1 mm (0.8 in)13.8 mm (0.5 in)11 years20 of 100 (Routine)
22 August 2025Big Stone City 2 NW, USdaily rain78.7 mm (3.1 in)63.2 mm (2.5 in)28 years52 of 100 (Notable)
16 August 2025Big Stone City 2 NW, USdaily rain29.0 mm (1.1 in)1.6 mm (0.06 in)16 years9 of 100 (Routine)
13 June 2025Big Stone City 2 NW, USdaily rain53.3 mm (2.1 in)30.4 mm (1.2 in)20 years31 of 100 (Routine)
21 May 2025Big Stone City 2 NW, USdaily rain35.6 mm (1.4 in)20.4 mm (0.8 in)14 years31 of 100 (Routine)
20 May 2025Big Stone City 2 NW, USdaily rain15.5 mm (0.6 in)5.3 mm (0.21 in)12 years13 of 100 (Routine)
2 May 2025Big Stone City 2 NW, USdaily rain20.3 mm (0.8 in)6.1 mm (0.24 in)28 years18 of 100 (Routine)
2 April 2025Big Stone City 2 NW, USdaily snowfall16.5 cm (6.5 in)9.1 cm (3.6 in)23 years28 of 100 (Routine)
2 April 2025Big Stone City 2 NW, USdaily rain16.5 mm (0.6 in)1.8 mm (0.07 in)19 years10 of 100 (Routine)

Extremes by Year

1983 to 2026
Yearly extremes at Big Stone City 2 NW: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)138.4 mm (5.4 in)199456.6 mm (2.2 in)44
Wettest five days (Rx5day)154.9 mm (6.1 in)199284.8 mm (3.3 in)44
Longest dry spell (CDD)64 days198430 days44

Wettest day (Rx1day)

Wettest day (Rx1day) at Big Stone City 2 NW by year The wettest day of the year at Big Stone City 2 NW, 1983 to 2026. The record is 138.4 mm (5.4 in) in 1994, marked on the chart; the median year is 56.6 mm (2.2 in). 0501001501990200020102020Record: 138.4 mm (5.4 in) in 1994
The wettest day of the year at Big Stone City 2 NW, 1983 to 2026. The record is 138.4 mm (5.4 in) in 1994, marked on the chart; the median year is 56.6 mm (2.2 in).
Wettest day (Rx1day) at Big Stone City 2 NW by year
YearWettest day (Rx1day)
19832.3 mm (0.09 in)
198454.1 mm (2.1 in)
198567.6 mm (2.7 in)
198648.8 mm (1.9 in)
198746.7 mm (1.8 in)
198857.9 mm (2.3 in)
198938.1 mm (1.5 in)
199095.3 mm (3.8 in)
199163.0 mm (2.5 in)
199266.5 mm (2.6 in)
199353.3 mm (2.1 in)
1994138.4 mm (5.4 in)
199585.6 mm (3.4 in)
199640.4 mm (1.6 in)
199757.9 mm (2.3 in)
199854.1 mm (2.1 in)
199957.2 mm (2.3 in)
200047.5 mm (1.9 in)
200155.9 mm (2.2 in)
200268.6 mm (2.7 in)
200331.0 mm (1.2 in)
200445.7 mm (1.8 in)
200550.5 mm (2.0 in)
200659.2 mm (2.3 in)
200759.7 mm (2.4 in)
200898.8 mm (3.9 in)
200965.0 mm (2.6 in)
201066.0 mm (2.6 in)
201176.7 mm (3.0 in)
201276.2 mm (3.0 in)
201349.0 mm (1.9 in)
2014105.2 mm (4.1 in)
201550.8 mm (2.0 in)
2016106.7 mm (4.2 in)
201750.8 mm (2.0 in)
201876.2 mm (3.0 in)
201948.3 mm (1.9 in)
202048.3 mm (1.9 in)
202176.2 mm (3.0 in)
202243.2 mm (1.7 in)
202354.6 mm (2.1 in)
202452.1 mm (2.1 in)
202578.7 mm (3.1 in)
202653.3 mm (2.1 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Big Stone City 2 NW by year The wettest five days of the year at Big Stone City 2 NW, 1983 to 2026. The record is 154.9 mm (6.1 in) in 1992, marked on the chart; the median year is 84.8 mm (3.3 in). 0501001502001990200020102020Record: 154.9 mm (6.1 in) in 1992
The wettest five days of the year at Big Stone City 2 NW, 1983 to 2026. The record is 154.9 mm (6.1 in) in 1992, marked on the chart; the median year is 84.8 mm (3.3 in).
Wettest five days (Rx5day) at Big Stone City 2 NW by year
YearWettest five days (Rx5day)
19837.1 mm (0.28 in)
1984134.4 mm (5.3 in)
198577.0 mm (3.0 in)
1986103.9 mm (4.1 in)
198756.3 mm (2.2 in)
198857.9 mm (2.3 in)
198960.0 mm (2.4 in)
1990120.0 mm (4.7 in)
199183.4 mm (3.3 in)
1992154.9 mm (6.1 in)
199389.1 mm (3.5 in)
1994145.3 mm (5.7 in)
1995111.4 mm (4.4 in)
199662.0 mm (2.4 in)
199772.7 mm (2.9 in)
199877.5 mm (3.1 in)
199974.6 mm (2.9 in)
200059.2 mm (2.3 in)
200196.9 mm (3.8 in)
200272.4 mm (2.9 in)
200342.2 mm (1.7 in)
200494.2 mm (3.7 in)
200566.6 mm (2.6 in)
200667.9 mm (2.7 in)
200791.2 mm (3.6 in)
2008103.4 mm (4.1 in)
200987.9 mm (3.5 in)
201083.5 mm (3.3 in)
2011116.5 mm (4.6 in)
2012136.4 mm (5.4 in)
201393.5 mm (3.7 in)
2014138.9 mm (5.5 in)
201568.9 mm (2.7 in)
2016135.9 mm (5.4 in)
201793.5 mm (3.7 in)
201895.3 mm (3.8 in)
201985.7 mm (3.4 in)
202055.9 mm (2.2 in)
2021135.7 mm (5.3 in)
202267.6 mm (2.7 in)
2023148.3 mm (5.8 in)
202462.2 mm (2.4 in)
202583.8 mm (3.3 in)
202674.6 mm (2.9 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Big Stone City 2 NW by year The longest dry spell of the year at Big Stone City 2 NW, 1983 to 2026. The record is 64 days in 1984, marked on the chart; the median year is 30 days. 0204060801990200020102020Record: 64 days in 1984
The longest dry spell of the year at Big Stone City 2 NW, 1983 to 2026. The record is 64 days in 1984, marked on the chart; the median year is 30 days.
Longest dry spell (CDD) at Big Stone City 2 NW by year
YearLongest dry spell (CDD)
198310 days
198464 days
198530 days
198641 days
198729 days
198846 days
198937 days
199054 days
199140 days
199238 days
199324 days
199425 days
199529 days
199620 days
199720 days
199826 days
199945 days
200020 days
200138 days
200228 days
200327 days
200425 days
200531 days
200660 days
200740 days
200841 days
200926 days
201029 days
201126 days
201228 days
201340 days
201425 days
201534 days
201624 days
201731 days
201835 days
201923 days
202043 days
202145 days
202228 days
202335 days
202436 days
202521 days
202619 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.

Rainfall Return Levels

41 years, 1984 to 2024

A day with at least 57.5 mm (2.3 in) of rain is expected about once in 2 years. A day with at least 148.5 mm (5.8 in) of rain is expected about once in 100 years.

Rainfall return levels at Big Stone City 2 NW: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years57.5 mm (2.3 in)
5 years75.1 mm (3.0 in)
10 years89.1 mm (3.5 in)
25 years109.9 mm (4.3 in)
50 years127.9 mm (5.0 in)Longer than the 41 years of record
100 years148.5 mm (5.8 in)Longer than the 41 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 41 years of values from 1984 to 2024.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 138.4 mm (5.4 in) in 1994; 106.7 mm (4.2 in) in 2016; 105.2 mm (4.1 in) in 2014.

Download the Data

  • Data for Big Stone City 2 NW standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Big Stone City 2 NW 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-12).