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White Sulphur Spg 10 N Weather Records (USC00248933)

Record envelope, standing records and threshold days for White Sulphur Spg 10 N (USC00248933), Montana, United States, with 33 years of record.

Key Facts for White Sulphur Spg 10 N

  • White Sulphur Spg 10 N (USC00248933) is a weather station in Montana, United States at 46.68 latitude and -110.87 longitude, 1,659 m (5,443 ft) above sea level.
  • The station reports from 1949 to 1981, 33 years of record.
  • 2 records set at White Sulphur Spg 10 N still stand.
  • Records are tracked for prcp, snow: an element needs 30 years of data to be eligible.
  • White Sulphur Spg 10 N set a daily record snowfall of 11.4 cm (4.5 in) on 26 November 1981.

About the Station

  • Location: Montana, United States, 46.68 latitude, -110.87 longitude.
  • Elevation: 1,659 m (5,443 ft).
  • Period of record: 1949 to 1981, 33 years.
  • Eligible elements: prcp, snow.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at White Sulphur Spg 10 N, with 2026 drawn through them The band shows the record high and record low for each calendar day at White Sulphur Spg 10 N. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -18-17-16 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at White Sulphur Spg 10 N. 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 White Sulphur Spg 10 N, 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
Oct-17.2 C (1.0 F)n/an/an/a
Novn/an/an/an/a
Decn/an/an/an/a

Which Years Hold Standing Records

2 standing records
Standing records at White Sulphur Spg 10 N by the year they were set 2 records at White Sulphur Spg 10 N still stand. 1975 holds the most, with 2. 011221975: 21975
2 records at White Sulphur Spg 10 N still stand. 1975 holds the most, with 2.
Standing records at White Sulphur Spg 10 N by the year they were set
Year setStanding records
19752

All-Time Record Progression

1 new records
When White Sulphur Spg 10 N set new all-time records 1 all-time records were set at White Sulphur Spg 10 N between 19 June 1979 and 19 June 1979. Each dot is a new record. Record daily precipitation19 June 1979: Record daily precipitation 69.1 mm (2.7 in)1980
1 all-time records were set at White Sulphur Spg 10 N between 19 June 1979 and 19 June 1979. Each dot is a new record.
When White Sulphur Spg 10 N set new all-time records
DateKindDetail
1979-06-19Record daily precipitationRecord daily precipitation 69.1 mm (2.7 in)

Wettest Day of Each Month

Jun: 69.1 mm (2.7 in)
Record daily precipitation for each month at White Sulphur Spg 10 N The wettest day on record for each calendar month at White Sulphur Spg 10 N. The most was 69.1 mm (2.7 in) on 19 June 1979. 020406080 Jan: 30.5 mm (1.2 in), 26 January 1975 Jan Feb: 17.3 mm (0.7 in), 28 February 1953 Feb Mar: 19.1 mm (0.8 in), 10 March 1967 Mar Apr: 30.2 mm (1.2 in), 30 April 1951 Apr May: 50.8 mm (2.0 in), 29 May 1953 May Jun: 69.1 mm (2.7 in), 19 June 1979 Jun Jul: 28.4 mm (1.1 in), 29 July 1950 Jul Aug: 45.5 mm (1.8 in), 20 August 1974 Aug Sep: 30.5 mm (1.2 in), 13 September 1967 Sep Oct: 25.4 mm (1.0 in), 3 October 1967 Oct Nov: 27.2 mm (1.1 in), 25 November 1965 Nov Dec: 20.3 mm (0.8 in), 23 December 1971 Dec
The wettest day on record for each calendar month at White Sulphur Spg 10 N. The most was 69.1 mm (2.7 in) on 19 June 1979.
Record daily precipitation for each month at White Sulphur Spg 10 N
MonthRecord daily precipitation (mm)Date
Jan30.5 mm (1.2 in)26 January 1975
Feb17.3 mm (0.7 in)28 February 1953
Mar19.1 mm (0.8 in)10 March 1967
Apr30.2 mm (1.2 in)30 April 1951
May50.8 mm (2.0 in)29 May 1953
Jun69.1 mm (2.7 in)19 June 1979
Jul28.4 mm (1.1 in)29 July 1950
Aug45.5 mm (1.8 in)20 August 1974
Sep30.5 mm (1.2 in)13 September 1967
Oct25.4 mm (1.0 in)3 October 1967
Nov27.2 mm (1.1 in)25 November 1965
Dec20.3 mm (0.8 in)23 December 1971

Period of Record Coverage

1975 to 1975
Days with data per year at White Sulphur Spg 10 N 1 years of record at White Sulphur Spg 10 N, 1975 to 1975. 1 years have data for under 90 percent of days and are left out of rankings: 1975. 1975: 1 of 365 days1975
1 years of record at White Sulphur Spg 10 N, 1975 to 1975. 1 years have data for under 90 percent of days and are left out of rankings: 1975.
Days with data per year at White Sulphur Spg 10 N
YearDays with dataShare of yearComplete
197510%No

Latest Records

20
Latest records at White Sulphur Spg 10 N
DateStationRecordValueBeat old record byOld record stoodSignificance
26 November 1981White Sulphur Spg 10 N, USdaily snowfall11.4 cm (4.5 in)1.2 cm (0.5 in)4 years6 of 100 (Routine)
12 October 1981White Sulphur Spg 10 N, USdaily snowfall7.6 cm (3.0 in)2.5 cm (1.0 in)11 years10 of 100 (Routine)
4 October 1981White Sulphur Spg 10 N, USdaily rain6.9 mm (0.27 in)6.9 mm (0.27 in)32 years20 of 100 (Routine)
4 October 1981White Sulphur Spg 10 N, USdaily snowfall1.3 cm (0.5 in)1.3 cm (0.5 in)32 years14 of 100 (Routine)
26 September 1981White Sulphur Spg 10 N, USdaily rain4.1 mm (0.16 in)1.1 mm (0.04 in)6 years6 of 100 (Routine)
18 August 1981White Sulphur Spg 10 N, USdaily rain44.5 mm (1.8 in)39.9 mm (1.6 in)23 years49 of 100 (Notable)
11 July 1981White Sulphur Spg 10 N, USdaily rain (Tie)14.0 mm (0.6 in)tie7 years1 of 100 (Routine)
14 June 1981White Sulphur Spg 10 N, USmonthly snowfall (Tie)2.5 cm (1.0 in)tie2 years3 of 100 (Routine)
13 June 1981White Sulphur Spg 10 N, USdaily rain25.4 mm (1.0 in)10.2 mm (0.4 in)14 years19 of 100 (Routine)
5 May 1981White Sulphur Spg 10 N, USdaily rain7.6 mm (0.30 in)1.2 mm (0.05 in)4 years5 of 100 (Routine)
25 April 1981White Sulphur Spg 10 N, USdaily snowfall (Tie)8.9 cm (3.5 in)tie4 years1 of 100 (Routine)
1 April 1981White Sulphur Spg 10 N, USdaily rain2.5 mm (0.10 in)1.2 mm (0.05 in)0 years6 of 100 (Routine)
1 April 1981White Sulphur Spg 10 N, USdaily snowfall (Tie)2.5 cm (1.0 in)tie27 years2 of 100 (Routine)
31 March 1981White Sulphur Spg 10 N, USdaily snowfall20.3 cm (8.0 in)12.7 cm (5.0 in)26 years37 of 100 (Notable)
31 March 1981White Sulphur Spg 10 N, USdaily rain12.7 mm (0.5 in)3.0 mm (0.12 in)20 years17 of 100 (Routine)
18 March 1981White Sulphur Spg 10 N, USdaily rain4.1 mm (0.16 in)2.6 mm (0.10 in)23 years16 of 100 (Routine)
17 March 1981White Sulphur Spg 10 N, USdaily rain11.4 mm (0.4 in)3.8 mm (0.15 in)11 years17 of 100 (Routine)
9 February 1981White Sulphur Spg 10 N, USdaily snowfall (Tie)5.1 cm (2.0 in)tie17 years2 of 100 (Routine)
8 February 1981White Sulphur Spg 10 N, USdaily snowfall10.2 cm (4.0 in)2.6 cm (1.0 in)10 years12 of 100 (Routine)
1 February 1981White Sulphur Spg 10 N, USdaily snowfall6.4 cm (2.5 in)1.3 cm (0.5 in)26 years13 of 100 (Routine)

Extremes by Year

1949 to 1981
Yearly extremes at White Sulphur Spg 10 N: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)-17.2 C (1.0 F)1975-17.2 C (1.0 F)1
Wettest day (Rx1day)69.1 mm (2.7 in)197927.7 mm (1.1 in)33
Wettest five days (Rx5day)80.5 mm (3.2 in)197947.9 mm (1.9 in)33
Longest dry spell (CDD)72 days195228 days33

Hottest day (TXx)

Hottest day (TXx) at White Sulphur Spg 10 N by year The hottest day of the year at White Sulphur Spg 10 N, 1949 to 1981. The record is -17.2 C (1.0 F) in 1975, marked on the chart; the median year is -17.2 C (1.0 F). -18.2-17.2-16.21950196019701980Record: -17.2 C (1.0 F) in 1975
The hottest day of the year at White Sulphur Spg 10 N, 1949 to 1981. The record is -17.2 C (1.0 F) in 1975, marked on the chart; the median year is -17.2 C (1.0 F).
Hottest day (TXx) at White Sulphur Spg 10 N by year
YearHottest day (TXx)
1949n/a
1950n/a
1951n/a
1952n/a
1953n/a
1954n/a
1955n/a
1956n/a
1957n/a
1958n/a
1959n/a
1960n/a
1961n/a
1962n/a
1963n/a
1964n/a
1965n/a
1966n/a
1967n/a
1968n/a
1969n/a
1970n/a
1971n/a
1972n/a
1973n/a
1974n/a
1975-17.2 C (1.0 F)
1976n/a
1977n/a
1978n/a
1979n/a
1980n/a
1981n/a

Wettest day (Rx1day)

Wettest day (Rx1day) at White Sulphur Spg 10 N by year The wettest day of the year at White Sulphur Spg 10 N, 1949 to 1981. The record is 69.1 mm (2.7 in) in 1979, marked on the chart; the median year is 27.7 mm (1.1 in). 0204060801950196019701980Record: 69.1 mm (2.7 in) in 1979
The wettest day of the year at White Sulphur Spg 10 N, 1949 to 1981. The record is 69.1 mm (2.7 in) in 1979, marked on the chart; the median year is 27.7 mm (1.1 in).
Wettest day (Rx1day) at White Sulphur Spg 10 N by year
YearWettest day (Rx1day)
194934.8 mm (1.4 in)
195028.4 mm (1.1 in)
195135.8 mm (1.4 in)
195230.0 mm (1.2 in)
195350.8 mm (2.0 in)
195417.5 mm (0.7 in)
195527.7 mm (1.1 in)
195616.5 mm (0.6 in)
195728.7 mm (1.1 in)
195823.9 mm (0.9 in)
195919.3 mm (0.8 in)
196019.1 mm (0.8 in)
196116.8 mm (0.7 in)
196224.6 mm (1.0 in)
196326.9 mm (1.1 in)
196424.4 mm (1.0 in)
196551.6 mm (2.0 in)
196617.8 mm (0.7 in)
196730.5 mm (1.2 in)
196834.3 mm (1.4 in)
196927.9 mm (1.1 in)
197022.9 mm (0.9 in)
197122.9 mm (0.9 in)
197221.3 mm (0.8 in)
197313.2 mm (0.5 in)
197445.5 mm (1.8 in)
197535.3 mm (1.4 in)
197633.5 mm (1.3 in)
197726.4 mm (1.0 in)
197825.9 mm (1.0 in)
197969.1 mm (2.7 in)
198045.0 mm (1.8 in)
198144.5 mm (1.8 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at White Sulphur Spg 10 N by year The wettest five days of the year at White Sulphur Spg 10 N, 1949 to 1981. The record is 80.5 mm (3.2 in) in 1979, marked on the chart; the median year is 47.9 mm (1.9 in). 0204060801001950196019701980Record: 80.5 mm (3.2 in) in 1979
The wettest five days of the year at White Sulphur Spg 10 N, 1949 to 1981. The record is 80.5 mm (3.2 in) in 1979, marked on the chart; the median year is 47.9 mm (1.9 in).
Wettest five days (Rx5day) at White Sulphur Spg 10 N by year
YearWettest five days (Rx5day)
194952.9 mm (2.1 in)
195052.6 mm (2.1 in)
195166.0 mm (2.6 in)
195244.0 mm (1.7 in)
195371.2 mm (2.8 in)
195431.6 mm (1.2 in)
195546.0 mm (1.8 in)
195634.0 mm (1.3 in)
195749.0 mm (1.9 in)
195849.3 mm (1.9 in)
195947.9 mm (1.9 in)
196040.2 mm (1.6 in)
196129.5 mm (1.2 in)
196244.7 mm (1.8 in)
196362.7 mm (2.5 in)
196458.9 mm (2.3 in)
196576.7 mm (3.0 in)
196633.6 mm (1.3 in)
196761.0 mm (2.4 in)
196859.7 mm (2.4 in)
196951.5 mm (2.0 in)
197034.9 mm (1.4 in)
197138.6 mm (1.5 in)
197229.9 mm (1.2 in)
197317.8 mm (0.7 in)
197445.5 mm (1.8 in)
197541.4 mm (1.6 in)
197646.9 mm (1.8 in)
197735.3 mm (1.4 in)
197868.3 mm (2.7 in)
197980.5 mm (3.2 in)
198072.9 mm (2.9 in)
198148.3 mm (1.9 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at White Sulphur Spg 10 N by year The longest dry spell of the year at White Sulphur Spg 10 N, 1949 to 1981. The record is 72 days in 1952, marked on the chart; the median year is 28 days. 0204060801950196019701980Record: 72 days in 1952
The longest dry spell of the year at White Sulphur Spg 10 N, 1949 to 1981. The record is 72 days in 1952, marked on the chart; the median year is 28 days.
Longest dry spell (CDD) at White Sulphur Spg 10 N by year
YearLongest dry spell (CDD)
194938 days
195015 days
195127 days
195272 days
195348 days
195433 days
195536 days
195629 days
195719 days
195818 days
195922 days
196036 days
196116 days
196220 days
196320 days
196419 days
196538 days
196624 days
196732 days
196833 days
196942 days
197034 days
197129 days
197224 days
197323 days
197433 days
197519 days
197644 days
197726 days
197828 days
197933 days
198028 days
198124 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 White Sulphur Spg 10 N standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for White Sulphur Spg 10 N 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 (2025-12-31).