Campbell Farm Camp 4 Weather Records (USC00241418)

Record envelope, standing records and threshold days for Campbell Farm Camp 4 (USC00241418), Montana, United States, with 80 years of record.

Key Facts for Campbell Farm Camp 4

Campbell Farm Camp 4 (USC00241418) is a weather station in Montana, United States at 45.42 latitude and -107.90 longitude, 1,113 m (3,652 ft) above sea level.
The station reports from 1882 to 1961, 80 years of record.
1,464 records set at Campbell Farm Camp 4 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, 45.42 latitude, -107.90 longitude.
Elevation: 1,113 m (3,652 ft).
Period of record: 1882 to 1961, 80 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 Campbell Farm Camp 4. 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 Campbell Farm Camp 4, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	17.8 C (64.0 F)	-37.2 C (-35.0 F)	n/a	n/a
Feb	19.4 C (66.9 F)	-31.7 C (-25.1 F)	n/a	n/a
Mar	25.0 C (77.0 F)	-30.0 C (-22.0 F)	n/a	n/a
Apr	29.4 C (84.9 F)	-17.8 C (0.0 F)	n/a	n/a
May	35.0 C (95.0 F)	-10.0 C (14.0 F)	n/a	n/a
Jun	37.8 C (100.0 F)	-3.3 C (26.1 F)	n/a	n/a
Jul	41.7 C (107.1 F)	-1.7 C (28.9 F)	n/a	n/a
Aug	40.6 C (105.1 F)	1.7 C (35.1 F)	n/a	n/a
Sep	37.8 C (100.0 F)	-5.6 C (21.9 F)	n/a	n/a
Oct	31.1 C (88.0 F)	-12.2 C (10.0 F)	n/a	n/a
Nov	21.7 C (71.1 F)	-28.3 C (-18.9 F)	n/a	n/a
Dec	22.2 C (72.0 F)	-31.1 C (-24.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Campbell Farm Camp 4 still stand. 1949 holds the most, with 108.

Standing records at Campbell Farm Camp 4 by the year they were set
Year set	Standing records
1939	59
1940	59
1941	69
1942	68
1943	74
1944	39
1945	64
1946	61
1947	58
1948	69
1949	108
1950	89
1951	74
1952	57
1953	69
1954	84
1955	91
1956	73
1957	50
1958	63
1959	34
1960	39
1961	13

Wettest Day of Each Month

Apr: 90.9 mm (3.6 in)

The wettest day on record for each calendar month at Campbell Farm Camp 4. The most was 90.9 mm (3.6 in) on 23 April 1957.

Record daily precipitation for each month at Campbell Farm Camp 4
Month	Record daily precipitation (mm)	Date
Jan	20.3 mm (0.8 in)	17 January 1940
Feb	22.9 mm (0.9 in)	12 February 1941
Mar	33.0 mm (1.3 in)	24 March 1945
Apr	90.9 mm (3.6 in)	23 April 1957
May	37.6 mm (1.5 in)	29 May 1948
Jun	58.4 mm (2.3 in)	2 June 1958
Jul	50.8 mm (2.0 in)	13 July 1948
Aug	24.1 mm (0.9 in)	20 August 1945
Sep	86.6 mm (3.4 in)	7 September 1941
Oct	36.8 mm (1.4 in)	6 October 1946
Nov	16.5 mm (0.6 in)	18 November 1940
Dec	12.7 mm (0.5 in)	4 December 1941

Period of Record Coverage

1882 to 1961

24 years of record at Campbell Farm Camp 4, 1882 to 1961. 5 years have data for under 90 percent of days and are left out of rankings: 1882, 1939, 1959, 1960, 1961.

Days with data per year at Campbell Farm Camp 4
Year	Days with data	Share of year	Complete
1882	1	0%	No
1939	202	55%	No
1940	360	98%	Yes
1941	358	98%	Yes
1942	361	99%	Yes
1943	365	100%	Yes
1944	359	98%	Yes
1945	360	99%	Yes
1946	354	97%	Yes
1947	357	98%	Yes
1948	360	98%	Yes
1949	365	100%	Yes
1950	335	92%	Yes
1951	364	100%	Yes
1952	356	97%	Yes
1953	332	91%	Yes
1954	345	95%	Yes
1955	358	98%	Yes
1956	357	98%	Yes
1957	362	99%	Yes
1958	332	91%	Yes
1959	268	73%	No
1960	257	70%	No
1961	58	16%	No

Latest Records

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

Climate Trend

15 complete years, 1940 to 1957

One stripe for each of 15 complete years at Campbell Farm Camp 4, 1940 to 1957. Blue stripes are years cooler than the station's own mean of 8.5 C (47.4 F); red stripes are warmer. The coolest year was 1951, at 6.6 C (43.9 F), and the warmest was 1946, at 10.0 C (50.0 F). The strongest colour marks a difference of 2.0 C (3.6 F).

Annual mean temperature at Campbell Farm Camp 4 as warming stripes, 1940 to 1957
Year	Annual mean temperature	Difference from the station mean
1940	9.0 C	+0.49 C
1941	9.3 C	+0.73 C
1942	8.2 C	-0.34 C
1943	8.4 C	-0.09 C
1944	8.6 C	+0.10 C
1945	8.3 C	-0.19 C
1946	10.0 C	+1.45 C
1947	8.8 C	+0.30 C
1948	8.7 C	+0.21 C
1949	8.2 C	-0.34 C
1951	6.6 C	-1.93 C
1952	9.0 C	+0.47 C
1955	7.8 C	-0.78 C
1956	8.5 C	+0.00 C
1957	8.4 C	-0.10 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1882 to 1961

Yearly extremes at Campbell Farm Camp 4: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	41.7 C (107.1 F)	1959	38.3 C (100.9 F)	24
Coldest night (TNn)	-37.2 C (-35.0 F)	1954	-29.4 C (-21.0 F)	24
Wettest day (Rx1day)	90.9 mm (3.6 in)	1957	31.6 mm (1.2 in)	24
Wettest five days (Rx5day)	98.8 mm (3.9 in)	1957	55.9 mm (2.2 in)	23
Longest dry spell (CDD)	78 days	1959	29 days	24

Hottest day (TXx)

The hottest day of the year at Campbell Farm Camp 4, 1882 to 1961. The record is 41.7 C (107.1 F) in 1959, marked on the chart; the median year is 38.3 C (100.9 F).

Hottest day (TXx) at Campbell Farm Camp 4 by year
Year	Hottest day (TXx)
1882	-1.1 C (30.0 F)
1939	40.0 C (104.0 F)
1940	40.0 C (104.0 F)
1941	39.4 C (102.9 F)
1942	37.8 C (100.0 F)
1943	38.3 C (100.9 F)
1944	35.0 C (95.0 F)
1945	38.3 C (100.9 F)
1946	37.8 C (100.0 F)
1947	41.1 C (106.0 F)
1948	38.3 C (100.9 F)
1949	40.6 C (105.1 F)
1950	37.2 C (99.0 F)
1951	37.2 C (99.0 F)
1952	37.2 C (99.0 F)
1953	39.4 C (102.9 F)
1954	38.9 C (102.0 F)
1955	40.0 C (104.0 F)
1956	40.0 C (104.0 F)
1957	37.8 C (100.0 F)
1958	37.2 C (99.0 F)
1959	41.7 C (107.1 F)
1960	41.1 C (106.0 F)
1961	18.3 C (64.9 F)

Coldest night (TNn)

The coldest night of the year at Campbell Farm Camp 4, 1882 to 1961. The record is -37.2 C (-35.0 F) in 1954, marked on the chart; the median year is -29.4 C (-21.0 F).

Coldest night (TNn) at Campbell Farm Camp 4 by year
Year	Coldest night (TNn)
1882	-7.8 C (18.0 F)
1939	-18.9 C (-2.0 F)
1940	-31.7 C (-25.1 F)
1941	-25.0 C (-13.0 F)
1942	-32.8 C (-27.0 F)
1943	-35.0 C (-31.0 F)
1944	-24.4 C (-11.9 F)
1945	-28.9 C (-20.0 F)
1946	-23.3 C (-9.9 F)
1947	-26.1 C (-15.0 F)
1948	-30.0 C (-22.0 F)
1949	-35.0 C (-31.0 F)
1950	-32.8 C (-27.0 F)
1951	-31.1 C (-24.0 F)
1952	-32.8 C (-27.0 F)
1953	-24.4 C (-11.9 F)
1954	-37.2 C (-35.0 F)
1955	-30.0 C (-22.0 F)
1956	-31.7 C (-25.1 F)
1957	-34.4 C (-29.9 F)
1958	-25.6 C (-14.1 F)
1959	-28.9 C (-20.0 F)
1960	-26.7 C (-16.1 F)
1961	-26.7 C (-16.1 F)

Wettest day (Rx1day)

The wettest day of the year at Campbell Farm Camp 4, 1882 to 1961. The record is 90.9 mm (3.6 in) in 1957, marked on the chart; the median year is 31.6 mm (1.2 in).

Wettest day (Rx1day) at Campbell Farm Camp 4 by year
Year	Wettest day (Rx1day)
1882	0.0 mm (0.00 in)
1939	19.3 mm (0.8 in)
1940	37.3 mm (1.5 in)
1941	86.6 mm (3.4 in)
1942	30.2 mm (1.2 in)
1943	42.2 mm (1.7 in)
1944	55.1 mm (2.2 in)
1945	33.0 mm (1.3 in)
1946	55.9 mm (2.2 in)
1947	40.1 mm (1.6 in)
1948	50.8 mm (2.0 in)
1949	29.0 mm (1.1 in)
1950	27.9 mm (1.1 in)
1951	43.4 mm (1.7 in)
1952	27.9 mm (1.1 in)
1953	28.4 mm (1.1 in)
1954	21.6 mm (0.9 in)
1955	37.6 mm (1.5 in)
1956	27.9 mm (1.1 in)
1957	90.9 mm (3.6 in)
1958	58.4 mm (2.3 in)
1959	21.6 mm (0.9 in)
1960	29.2 mm (1.1 in)
1961	11.9 mm (0.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at Campbell Farm Camp 4, 1882 to 1961. The record is 98.8 mm (3.9 in) in 1957, marked on the chart; the median year is 55.9 mm (2.2 in).

Wettest five days (Rx5day) at Campbell Farm Camp 4 by year
Year	Wettest five days (Rx5day)
1882	n/a
1939	33.3 mm (1.3 in)
1940	63.5 mm (2.5 in)
1941	44.2 mm (1.7 in)
1942	74.7 mm (2.9 in)
1943	58.2 mm (2.3 in)
1944	95.3 mm (3.8 in)
1945	52.5 mm (2.1 in)
1946	65.3 mm (2.6 in)
1947	81.0 mm (3.2 in)
1948	70.9 mm (2.8 in)
1949	33.8 mm (1.3 in)
1950	29.4 mm (1.2 in)
1951	55.9 mm (2.2 in)
1952	58.7 mm (2.3 in)
1953	55.1 mm (2.2 in)
1954	36.1 mm (1.4 in)
1955	66.9 mm (2.6 in)
1956	36.8 mm (1.4 in)
1957	98.8 mm (3.9 in)
1958	81.2 mm (3.2 in)
1959	28.0 mm (1.1 in)
1960	30.0 mm (1.2 in)
1961	20.5 mm (0.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Campbell Farm Camp 4, 1882 to 1961. The record is 78 days in 1959, marked on the chart; the median year is 29 days.

Longest dry spell (CDD) at Campbell Farm Camp 4 by year
Year	Longest dry spell (CDD)
1882	1 day
1939	60 days
1940	22 days
1941	26 days
1942	28 days
1943	32 days
1944	31 days
1945	29 days
1946	23 days
1947	29 days
1948	37 days
1949	24 days
1950	29 days
1951	25 days
1952	45 days
1953	48 days
1954	53 days
1955	32 days
1956	24 days
1957	33 days
1958	24 days
1959	78 days
1960	52 days
1961	24 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 Campbell Farm Camp 4 standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Campbell Farm Camp 4 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 2026-10-17 (17 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).