Toston 2 SW Weather Records (USC00248313)

Record envelope, standing records and threshold days for Toston 2 SW (USC00248313), Montana, United States, with 58 years of record.

Key Facts for Toston 2 SW

Toston 2 SW (USC00248313) is a weather station in Montana, United States at 46.15 latitude and -111.48 longitude, 1,205 m (3,953 ft) above sea level.
The station reports from 1895 to 1952, 58 years of record.
1,464 records set at Toston 2 SW still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Montana, United States, 46.15 latitude, -111.48 longitude.
Elevation: 1,205 m (3,953 ft).
Period of record: 1895 to 1952, 58 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 Toston 2 SW. 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 Toston 2 SW, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	12.8 C (55.0 F)	-38.9 C (-38.0 F)	n/a	n/a
Feb	20.0 C (68.0 F)	-35.6 C (-32.1 F)	n/a	n/a
Mar	20.0 C (68.0 F)	-32.2 C (-26.0 F)	n/a	n/a
Apr	28.9 C (84.0 F)	-16.1 C (3.0 F)	n/a	n/a
May	30.6 C (87.1 F)	-8.3 C (17.1 F)	n/a	n/a
Jun	33.3 C (91.9 F)	-3.3 C (26.1 F)	n/a	n/a
Jul	33.9 C (93.0 F)	1.1 C (34.0 F)	n/a	n/a
Aug	35.6 C (96.1 F)	-0.6 C (30.9 F)	n/a	n/a
Sep	33.3 C (91.9 F)	-6.7 C (19.9 F)	n/a	n/a
Oct	26.7 C (80.1 F)	-17.2 C (1.0 F)	n/a	n/a
Nov	25.0 C (77.0 F)	-32.2 C (-26.0 F)	n/a	n/a
Dec	17.8 C (64.0 F)	-27.2 C (-17.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Toston 2 SW still stand. 1905 holds the most, with 230.

Wettest Day of Each Month

Jul: 34.3 mm (1.4 in)

The wettest day on record for each calendar month at Toston 2 SW. The most was 34.3 mm (1.4 in) on 12 July 1904.

Record daily precipitation for each month at Toston 2 SW
Month	Record daily precipitation (mm)	Date
Jan	15.2 mm (0.6 in)	9 January 1909
Feb	15.2 mm (0.6 in)	12 February 1904
Mar	12.7 mm (0.5 in)	12 March 1906
Apr	11.4 mm (0.4 in)	8 April 1905
May	31.0 mm (1.2 in)	20 May 1902
Jun	25.1 mm (1.0 in)	5 June 1908
Jul	34.3 mm (1.4 in)	12 July 1904
Aug	16.0 mm (0.6 in)	10 August 1907
Sep	25.4 mm (1.0 in)	2 September 1901
Oct	8.6 mm (0.34 in)	6 October 1907
Nov	20.3 mm (0.8 in)	15 November 1903
Dec	12.7 mm (0.5 in)	26 December 1907

Period of Record Coverage

1895 to 1909

11 years of record at Toston 2 SW, 1895 to 1909. 6 years have data for under 90 percent of days and are left out of rankings: 1895, 1896, 1901, 1906, 1907, 1909.

Days with data per year at Toston 2 SW
Year	Days with data	Share of year	Complete
1895	122	33%	No
1896	58	16%	No
1901	204	56%	No
1902	355	97%	Yes
1903	361	99%	Yes
1904	332	91%	Yes
1905	361	99%	Yes
1906	183	50%	No
1907	291	80%	No
1908	363	99%	Yes
1909	211	58%	No

Latest Records

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

Extremes by Year

1895 to 1952

Yearly extremes at Toston 2 SW: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.6 C (96.1 F)	1908	33.3 C (91.9 F)	11
Coldest night (TNn)	-38.9 C (-38.0 F)	1909	-30.0 C (-22.0 F)	11
Wettest day (Rx1day)	34.3 mm (1.4 in)	1904	20.3 mm (0.8 in)	13
Wettest five days (Rx5day)	61.5 mm (2.4 in)	1907	28.9 mm (1.1 in)	13
Longest dry spell (CDD)	114 days	1904	41 days	13

Hottest day (TXx)

The hottest day of the year at Toston 2 SW, 1895 to 1952. The record is 35.6 C (96.1 F) in 1908, marked on the chart; the median year is 33.3 C (91.9 F).

Hottest day (TXx) at Toston 2 SW by year
Year	Hottest day (TXx)
1895	33.3 C (91.9 F)
1896	12.8 C (55.0 F)
1901	31.7 C (89.1 F)
1902	33.9 C (93.0 F)
1903	32.8 C (91.0 F)
1904	33.9 C (93.0 F)
1905	35.0 C (95.0 F)
1906	33.3 C (91.9 F)
1907	32.2 C (90.0 F)
1908	35.6 C (96.1 F)
1909	33.9 C (93.0 F)
1950	n/a
1951	n/a
1952	n/a

Coldest night (TNn)

The coldest night of the year at Toston 2 SW, 1895 to 1952. The record is -38.9 C (-38.0 F) in 1909, marked on the chart; the median year is -30.0 C (-22.0 F).

Coldest night (TNn) at Toston 2 SW by year
Year	Coldest night (TNn)
1895	-20.6 C (-5.1 F)
1896	-27.2 C (-17.0 F)
1901	-26.7 C (-16.1 F)
1902	-31.7 C (-25.1 F)
1903	-32.2 C (-26.0 F)
1904	-27.8 C (-18.0 F)
1905	-35.6 C (-32.1 F)
1906	-32.2 C (-26.0 F)
1907	-23.3 C (-9.9 F)
1908	-30.0 C (-22.0 F)
1909	-38.9 C (-38.0 F)
1950	n/a
1951	n/a
1952	n/a

Wettest day (Rx1day)

The wettest day of the year at Toston 2 SW, 1895 to 1952. The record is 34.3 mm (1.4 in) in 1904, marked on the chart; the median year is 20.3 mm (0.8 in).

Wettest day (Rx1day) at Toston 2 SW by year
Year	Wettest day (Rx1day)
1895	12.7 mm (0.5 in)
1896	n/a
1901	25.4 mm (1.0 in)
1902	31.0 mm (1.2 in)
1903	20.3 mm (0.8 in)
1904	34.3 mm (1.4 in)
1905	16.5 mm (0.6 in)
1906	14.0 mm (0.6 in)
1907	25.9 mm (1.0 in)
1908	25.1 mm (1.0 in)
1909	27.9 mm (1.1 in)
1950	14.5 mm (0.6 in)
1951	11.9 mm (0.5 in)
1952	14.5 mm (0.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Toston 2 SW, 1895 to 1952. The record is 61.5 mm (2.4 in) in 1907, marked on the chart; the median year is 28.9 mm (1.1 in).

Wettest five days (Rx5day) at Toston 2 SW by year
Year	Wettest five days (Rx5day)
1895	12.7 mm (0.5 in)
1896	n/a
1901	28.4 mm (1.1 in)
1902	41.9 mm (1.6 in)
1903	27.9 mm (1.1 in)
1904	36.1 mm (1.4 in)
1905	20.2 mm (0.8 in)
1906	25.3 mm (1.0 in)
1907	61.5 mm (2.4 in)
1908	56.1 mm (2.2 in)
1909	38.1 mm (1.5 in)
1950	21.4 mm (0.8 in)
1951	28.9 mm (1.1 in)
1952	33.1 mm (1.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Toston 2 SW, 1895 to 1952. The record is 114 days in 1904, marked on the chart; the median year is 41 days.

Longest dry spell (CDD) at Toston 2 SW by year
Year	Longest dry spell (CDD)
1895	33 days
1896	n/a
1901	65 days
1902	41 days
1903	43 days
1904	114 days
1905	61 days
1906	28 days
1907	54 days
1908	75 days
1909	37 days
1950	22 days
1951	35 days
1952	32 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 Toston 2 SW standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Toston 2 SW 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 2026-10-13 (13 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).