Marysville 1 SW Weather Records (USC00245402)

Record envelope, standing records and threshold days for Marysville 1 SW (USC00245402), Montana, United States, with 89 years of record.

Key Facts for Marysville 1 SW

Marysville 1 SW (USC00245402) is a weather station in Montana, United States at 46.75 latitude and -112.30 longitude, 1,768 m (5,801 ft) above sea level.
The station reports from 1894 to 1982, 89 years of record.
1,464 records set at Marysville 1 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, 46.75 latitude, -112.30 longitude.
Elevation: 1,768 m (5,801 ft).
Period of record: 1894 to 1982, 89 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 Marysville 1 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 Marysville 1 SW, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	10.0 C (50.0 F)	-36.1 C (-33.0 F)	n/a	n/a
Feb	15.6 C (60.1 F)	-35.0 C (-31.0 F)	n/a	n/a
Mar	17.8 C (64.0 F)	-29.4 C (-20.9 F)	n/a	n/a
Apr	27.8 C (82.0 F)	-16.1 C (3.0 F)	n/a	n/a
May	29.4 C (84.9 F)	-9.4 C (15.1 F)	n/a	n/a
Jun	35.6 C (96.1 F)	-2.2 C (28.0 F)	n/a	n/a
Jul	35.0 C (95.0 F)	-1.1 C (30.0 F)	n/a	n/a
Aug	33.3 C (91.9 F)	-2.2 C (28.0 F)	n/a	n/a
Sep	30.0 C (86.0 F)	-11.7 C (10.9 F)	n/a	n/a
Oct	27.2 C (81.0 F)	-17.2 C (1.0 F)	n/a	n/a
Nov	18.3 C (64.9 F)	-31.1 C (-24.0 F)	n/a	n/a
Dec	13.3 C (55.9 F)	-26.7 C (-16.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Marysville 1 SW still stand. 1896 holds the most, with 162.

Wettest Day of Each Month

Jun: 72.4 mm (2.9 in)

The wettest day on record for each calendar month at Marysville 1 SW. The most was 72.4 mm (2.9 in) on 25 June 1905.

Record daily precipitation for each month at Marysville 1 SW
Month	Record daily precipitation (mm)	Date
Jan	27.9 mm (1.1 in)	3 January 1907
Feb	27.9 mm (1.1 in)	11 February 1900
Mar	24.1 mm (0.9 in)	1 March 1904
Apr	39.4 mm (1.6 in)	5 April 1916
May	48.8 mm (1.9 in)	25 May 1916
Jun	72.4 mm (2.9 in)	25 June 1905
Jul	44.2 mm (1.7 in)	1 July 1898
Aug	22.1 mm (0.9 in)	18 August 1912
Sep	35.1 mm (1.4 in)	3 September 1909
Oct	29.5 mm (1.2 in)	11 October 1911
Nov	45.7 mm (1.8 in)	26 November 1905
Dec	26.9 mm (1.1 in)	7 December 1958

Period of Record Coverage

1894 to 1907

14 years of record at Marysville 1 SW, 1894 to 1907. 4 years have data for under 90 percent of days and are left out of rankings: 1894, 1903, 1905, 1907.

Days with data per year at Marysville 1 SW
Year	Days with data	Share of year	Complete
1894	275	75%	No
1895	357	98%	Yes
1896	364	99%	Yes
1897	361	99%	Yes
1898	363	99%	Yes
1899	333	91%	Yes
1900	359	98%	Yes
1901	357	98%	Yes
1902	338	93%	Yes
1903	326	89%	No
1904	337	92%	Yes
1905	320	88%	No
1906	338	93%	Yes
1907	116	32%	No

Latest Records

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

Extremes by Year

1894 to 1982

Yearly extremes at Marysville 1 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)	1900	32.8 C (91.0 F)	14
Coldest night (TNn)	-36.1 C (-33.0 F)	1902	-30.5 C (-23.0 F)	14
Wettest day (Rx1day)	72.4 mm (2.9 in)	1905	31.0 mm (1.2 in)	28
Wettest five days (Rx5day)	122.2 mm (4.8 in)	1981	58.2 mm (2.3 in)	28
Longest dry spell (CDD)	54 days	1901	24 days	28

Hottest day (TXx)

The hottest day of the year at Marysville 1 SW, 1894 to 1982. The record is 35.6 C (96.1 F) in 1900, marked on the chart; the median year is 32.8 C (91.0 F).

Hottest day (TXx) at Marysville 1 SW by year
Year	Hottest day (TXx)
1894	33.3 C (91.9 F)
1895	31.1 C (88.0 F)
1896	33.9 C (93.0 F)
1897	32.8 C (91.0 F)
1898	31.7 C (89.1 F)
1899	33.3 C (91.9 F)
1900	35.6 C (96.1 F)
1901	34.4 C (93.9 F)
1902	32.2 C (90.0 F)
1903	32.8 C (91.0 F)
1904	32.2 C (90.0 F)
1905	32.8 C (91.0 F)
1906	32.8 C (91.0 F)
1907	28.3 C (82.9 F)
1909	n/a
1910	n/a
1911	n/a
1912	n/a
1913	n/a
1914	n/a
1915	n/a
1916	n/a
1917	n/a
1957	n/a
1958	n/a
1980	n/a
1981	n/a
1982	n/a

Coldest night (TNn)

The coldest night of the year at Marysville 1 SW, 1894 to 1982. The record is -36.1 C (-33.0 F) in 1902, marked on the chart; the median year is -30.5 C (-23.0 F).

Coldest night (TNn) at Marysville 1 SW by year
Year	Coldest night (TNn)
1894	-22.2 C (-8.0 F)
1895	-28.9 C (-20.0 F)
1896	-31.7 C (-25.1 F)
1897	-32.2 C (-26.0 F)
1898	-26.1 C (-15.0 F)
1899	-34.4 C (-29.9 F)
1900	-32.8 C (-27.0 F)
1901	-27.2 C (-17.0 F)
1902	-36.1 C (-33.0 F)
1903	-27.8 C (-18.0 F)
1904	-27.2 C (-17.0 F)
1905	-35.0 C (-31.0 F)
1906	-29.4 C (-20.9 F)
1907	-33.3 C (-27.9 F)
1909	n/a
1910	n/a
1911	n/a
1912	n/a
1913	n/a
1914	n/a
1915	n/a
1916	n/a
1917	n/a
1957	n/a
1958	n/a
1980	n/a
1981	n/a
1982	n/a

Wettest day (Rx1day)

The wettest day of the year at Marysville 1 SW, 1894 to 1982. The record is 72.4 mm (2.9 in) in 1905, marked on the chart; the median year is 31.0 mm (1.2 in).

Wettest day (Rx1day) at Marysville 1 SW by year
Year	Wettest day (Rx1day)
1894	20.6 mm (0.8 in)
1895	29.2 mm (1.1 in)
1896	30.2 mm (1.2 in)
1897	31.8 mm (1.3 in)
1898	44.2 mm (1.7 in)
1899	20.3 mm (0.8 in)
1900	48.3 mm (1.9 in)
1901	25.4 mm (1.0 in)
1902	38.1 mm (1.5 in)
1903	25.4 mm (1.0 in)
1904	24.1 mm (0.9 in)
1905	72.4 mm (2.9 in)
1906	38.1 mm (1.5 in)
1907	45.7 mm (1.8 in)
1909	37.6 mm (1.5 in)
1910	25.7 mm (1.0 in)
1911	30.0 mm (1.2 in)
1912	43.4 mm (1.7 in)
1913	25.4 mm (1.0 in)
1914	48.3 mm (1.9 in)
1915	44.5 mm (1.8 in)
1916	48.8 mm (1.9 in)
1917	13.2 mm (0.5 in)
1957	30.0 mm (1.2 in)
1958	27.9 mm (1.1 in)
1980	25.9 mm (1.0 in)
1981	42.7 mm (1.7 in)
1982	40.6 mm (1.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Marysville 1 SW, 1894 to 1982. The record is 122.2 mm (4.8 in) in 1981, marked on the chart; the median year is 58.2 mm (2.3 in).

Wettest five days (Rx5day) at Marysville 1 SW by year
Year	Wettest five days (Rx5day)
1894	23.9 mm (0.9 in)
1895	41.4 mm (1.6 in)
1896	60.2 mm (2.4 in)
1897	45.7 mm (1.8 in)
1898	61.4 mm (2.4 in)
1899	40.6 mm (1.6 in)
1900	22.1 mm (0.9 in)
1901	38.1 mm (1.5 in)
1902	76.2 mm (3.0 in)
1903	56.2 mm (2.2 in)
1904	43.2 mm (1.7 in)
1905	91.5 mm (3.6 in)
1906	75.0 mm (3.0 in)
1907	97.3 mm (3.8 in)
1909	86.3 mm (3.4 in)
1910	28.5 mm (1.1 in)
1911	54.1 mm (2.1 in)
1912	75.5 mm (3.0 in)
1913	46.2 mm (1.8 in)
1914	64.8 mm (2.6 in)
1915	80.0 mm (3.1 in)
1916	86.4 mm (3.4 in)
1917	21.6 mm (0.9 in)
1957	36.4 mm (1.4 in)
1958	60.7 mm (2.4 in)
1980	30.5 mm (1.2 in)
1981	122.2 mm (4.8 in)
1982	65.7 mm (2.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Marysville 1 SW, 1894 to 1982. The record is 54 days in 1901, marked on the chart; the median year is 24 days.

Longest dry spell (CDD) at Marysville 1 SW by year
Year	Longest dry spell (CDD)
1894	20 days
1895	26 days
1896	25 days
1897	27 days
1898	17 days
1899	37 days
1900	38 days
1901	54 days
1902	27 days
1903	22 days
1904	40 days
1905	29 days
1906	23 days
1907	10 days
1909	11 days
1910	24 days
1911	19 days
1912	17 days
1913	25 days
1914	17 days
1915	13 days
1916	18 days
1917	11 days
1957	16 days
1958	19 days
1980	27 days
1981	30 days
1982	27 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 Marysville 1 SW standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Marysville 1 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 2026-10-14 (14 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).