Dell Weather Records (USC00242309)

Record envelope, standing records and threshold days for Dell (USC00242309), Montana, United States, with 61 years of record.

Key Facts for Dell

Dell (USC00242309) is a weather station in Montana, United States at 44.72 latitude and -112.68 longitude, 1,833 m (6,014 ft) above sea level.
The station reports from 1898 to 1958, 61 years of record.
1,464 records set at Dell 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, 44.72 latitude, -112.68 longitude.
Elevation: 1,833 m (6,014 ft).
Period of record: 1898 to 1958, 61 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 Dell. 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 Dell, 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)	-37.2 C (-35.0 F)	n/a	n/a
Feb	13.3 C (55.9 F)	-38.3 C (-36.9 F)	n/a	n/a
Mar	20.6 C (69.1 F)	-30.6 C (-23.1 F)	n/a	n/a
Apr	21.7 C (71.1 F)	-17.8 C (0.0 F)	n/a	n/a
May	30.6 C (87.1 F)	-10.0 C (14.0 F)	n/a	n/a
Jun	35.6 C (96.1 F)	-6.1 C (21.0 F)	n/a	n/a
Jul	37.8 C (100.0 F)	-1.1 C (30.0 F)	n/a	n/a
Aug	33.9 C (93.0 F)	-2.2 C (28.0 F)	n/a	n/a
Sep	30.0 C (86.0 F)	-10.6 C (12.9 F)	n/a	n/a
Oct	24.4 C (75.9 F)	-21.1 C (-6.0 F)	n/a	n/a
Nov	18.9 C (66.0 F)	-28.9 C (-20.0 F)	n/a	n/a
Dec	12.8 C (55.0 F)	-38.9 C (-38.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Dell still stand. 1918 holds the most, with 201.

Wettest Day of Each Month

Apr: 101.6 mm (4.0 in)

The wettest day on record for each calendar month at Dell. The most was 101.6 mm (4.0 in) on 25 April 1901.

Record daily precipitation for each month at Dell
Month	Record daily precipitation (mm)	Date
Jan	10.2 mm (0.4 in)	16 January 1952
Feb	17.8 mm (0.7 in)	9 February 1923
Mar	9.1 mm (0.36 in)	6 March 1950
Apr	101.6 mm (4.0 in)	25 April 1901
May	35.6 mm (1.4 in)	31 May 1923
Jun	37.1 mm (1.5 in)	18 June 1918
Jul	17.5 mm (0.7 in)	14 July 1918
Aug	27.7 mm (1.1 in)	21 August 1918
Sep	17.5 mm (0.7 in)	9 September 1950
Oct	28.7 mm (1.1 in)	15 October 1957
Nov	12.7 mm (0.5 in)	22 November 1951
Dec	5.1 mm (0.20 in)	28 December 1898

Period of Record Coverage

1898 to 1923

12 years of record at Dell, 1898 to 1923. 9 years have data for under 90 percent of days and are left out of rankings: 1898, 1900, 1901, 1902, 1917, 1919, 1921, 1922 and others.

Days with data per year at Dell
Year	Days with data	Share of year	Complete
1898	31	8%	No
1899	332	91%	Yes
1900	321	88%	No
1901	309	85%	No
1902	131	36%	No
1917	297	81%	No
1918	362	99%	Yes
1919	326	89%	No
1920	355	97%	Yes
1921	167	46%	No
1922	193	53%	No
1923	106	29%	No

Latest Records

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

Extremes by Year

1898 to 1958

Yearly extremes at Dell: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	37.8 C (100.0 F)	1901	32.5 C (90.5 F)	12
Coldest night (TNn)	-38.9 C (-38.0 F)	1919	-31.9 C (-25.5 F)	12
Wettest day (Rx1day)	101.6 mm (4.0 in)	1901	16.1 mm (0.6 in)	22
Wettest five days (Rx5day)	101.6 mm (4.0 in)	1901	27.5 mm (1.1 in)	22
Longest dry spell (CDD)	79 days	1899	37 days	22

Hottest day (TXx)

The hottest day of the year at Dell, 1898 to 1958. The record is 37.8 C (100.0 F) in 1901, marked on the chart; the median year is 32.5 C (90.5 F).

Hottest day (TXx) at Dell by year
Year	Hottest day (TXx)
1898	5.0 C (41.0 F)
1899	33.9 C (93.0 F)
1900	36.7 C (98.1 F)
1901	37.8 C (100.0 F)
1902	32.8 C (91.0 F)
1917	37.2 C (99.0 F)
1918	32.2 C (90.0 F)
1919	33.9 C (93.0 F)
1920	30.6 C (87.1 F)
1921	31.1 C (88.0 F)
1922	30.0 C (86.0 F)
1923	22.8 C (73.0 F)
1949	n/a
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1958	n/a

Coldest night (TNn)

The coldest night of the year at Dell, 1898 to 1958. The record is -38.9 C (-38.0 F) in 1919, marked on the chart; the median year is -31.9 C (-25.5 F).

Coldest night (TNn) at Dell by year
Year	Coldest night (TNn)
1898	-17.8 C (0.0 F)
1899	-38.3 C (-36.9 F)
1900	-35.0 C (-31.0 F)
1901	-28.3 C (-18.9 F)
1902	-37.2 C (-35.0 F)
1917	-23.3 C (-9.9 F)
1918	-35.0 C (-31.0 F)
1919	-38.9 C (-38.0 F)
1920	-30.6 C (-23.1 F)
1921	-26.7 C (-16.1 F)
1922	-33.3 C (-27.9 F)
1923	-30.0 C (-22.0 F)
1949	n/a
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1958	n/a

Wettest day (Rx1day)

The wettest day of the year at Dell, 1898 to 1958. The record is 101.6 mm (4.0 in) in 1901, marked on the chart; the median year is 16.1 mm (0.6 in).

Wettest day (Rx1day) at Dell by year
Year	Wettest day (Rx1day)
1898	5.1 mm (0.20 in)
1899	17.3 mm (0.7 in)
1900	15.2 mm (0.6 in)
1901	101.6 mm (4.0 in)
1902	30.5 mm (1.2 in)
1917	17.0 mm (0.7 in)
1918	37.1 mm (1.5 in)
1919	15.2 mm (0.6 in)
1920	10.9 mm (0.4 in)
1921	14.0 mm (0.6 in)
1922	13.2 mm (0.5 in)
1923	35.6 mm (1.4 in)
1949	10.2 mm (0.4 in)
1950	25.9 mm (1.0 in)
1951	19.1 mm (0.8 in)
1952	15.0 mm (0.6 in)
1953	17.3 mm (0.7 in)
1954	15.2 mm (0.6 in)
1955	24.1 mm (0.9 in)
1956	12.2 mm (0.5 in)
1957	28.7 mm (1.1 in)
1958	10.4 mm (0.4 in)

Wettest five days (Rx5day)

The wettest five days of the year at Dell, 1898 to 1958. The record is 101.6 mm (4.0 in) in 1901, marked on the chart; the median year is 27.5 mm (1.1 in).

Wettest five days (Rx5day) at Dell by year
Year	Wettest five days (Rx5day)
1898	5.1 mm (0.20 in)
1899	21.1 mm (0.8 in)
1900	26.6 mm (1.0 in)
1901	101.6 mm (4.0 in)
1902	54.8 mm (2.2 in)
1917	30.2 mm (1.2 in)
1918	67.8 mm (2.7 in)
1919	15.7 mm (0.6 in)
1920	23.8 mm (0.9 in)
1921	19.8 mm (0.8 in)
1922	18.0 mm (0.7 in)
1923	48.3 mm (1.9 in)
1949	10.7 mm (0.4 in)
1950	28.4 mm (1.1 in)
1951	32.3 mm (1.3 in)
1952	38.4 mm (1.5 in)
1953	33.8 mm (1.3 in)
1954	23.1 mm (0.9 in)
1955	37.6 mm (1.5 in)
1956	22.5 mm (0.9 in)
1957	76.0 mm (3.0 in)
1958	13.2 mm (0.5 in)

Longest dry spell (CDD)

The longest dry spell of the year at Dell, 1898 to 1958. The record is 79 days in 1899, marked on the chart; the median year is 37 days.

Longest dry spell (CDD) at Dell by year
Year	Longest dry spell (CDD)
1898	27 days
1899	79 days
1900	48 days
1901	35 days
1902	38 days
1917	44 days
1918	33 days
1919	49 days
1920	43 days
1921	33 days
1922	29 days
1923	6 days
1949	35 days
1950	52 days
1951	36 days
1952	32 days
1953	38 days
1954	68 days
1955	75 days
1956	72 days
1957	36 days
1958	26 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 Dell standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Dell 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).