Barnum 1 N Weather Records (USC00480528)

Record envelope, standing records and threshold days for Barnum 1 N (USC00480528), Wyoming, United States, with 48 years of record.

Key Facts for Barnum 1 N

Barnum 1 N (USC00480528) is a weather station in Wyoming, United States at 43.70 latitude and -106.92 longitude, 1,571 m (5,154 ft) above sea level.
The station reports from 1905 to 1952, 48 years of record.
1,464 records set at Barnum 1 N still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Wyoming, United States, 43.70 latitude, -106.92 longitude.
Elevation: 1,571 m (5,154 ft).
Period of record: 1905 to 1952, 48 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 Barnum 1 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 Barnum 1 N, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	22.2 C (72.0 F)	-42.8 C (-45.0 F)	n/a	n/a
Feb	22.2 C (72.0 F)	-41.7 C (-43.1 F)	n/a	n/a
Mar	22.8 C (73.0 F)	-27.8 C (-18.0 F)	n/a	n/a
Apr	31.1 C (88.0 F)	-20.0 C (-4.0 F)	n/a	n/a
May	33.9 C (93.0 F)	-7.2 C (19.0 F)	n/a	n/a
Jun	37.8 C (100.0 F)	-3.9 C (25.0 F)	n/a	n/a
Jul	42.2 C (108.0 F)	0.0 C (32.0 F)	n/a	n/a
Aug	37.2 C (99.0 F)	-2.2 C (28.0 F)	n/a	n/a
Sep	35.0 C (95.0 F)	-14.4 C (6.1 F)	n/a	n/a
Oct	30.0 C (86.0 F)	-19.4 C (-2.9 F)	n/a	n/a
Nov	25.0 C (77.0 F)	-30.0 C (-22.0 F)	n/a	n/a
Dec	22.8 C (73.0 F)	-38.9 C (-38.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Barnum 1 N still stand. 1933 holds the most, with 113.

Standing records at Barnum 1 N by the year they were set
Year set	Standing records
1919	55
1920	49
1921	98
1922	56
1923	60
1924	78
1925	69
1926	60
1927	61
1928	69
1929	77
1930	82
1931	88
1932	77
1933	113
1934	97
1935	64
1936	55
1937	64
1938	73
1939	19

Wettest Day of Each Month

Apr: 68.1 mm (2.7 in)

The wettest day on record for each calendar month at Barnum 1 N. The most was 68.1 mm (2.7 in) on 24 April 1923.

Record daily precipitation for each month at Barnum 1 N
Month	Record daily precipitation (mm)	Date
Jan	12.7 mm (0.5 in)	1 January 1910
Feb	17.8 mm (0.7 in)	5 February 1927
Mar	26.7 mm (1.1 in)	31 March 1927
Apr	68.1 mm (2.7 in)	24 April 1923
May	53.3 mm (2.1 in)	30 May 1907
Jun	38.1 mm (1.5 in)	5 June 1936
Jul	53.8 mm (2.1 in)	12 July 1936
Aug	50.8 mm (2.0 in)	27 August 1933
Sep	44.5 mm (1.8 in)	28 September 1923
Oct	29.0 mm (1.1 in)	3 October 1930
Nov	15.2 mm (0.6 in)	18 November 1907
Dec	22.9 mm (0.9 in)	4 December 1906

Period of Record Coverage

1919 to 1939

21 years of record at Barnum 1 N, 1919 to 1939. 8 years have data for under 90 percent of days and are left out of rankings: 1919, 1920, 1922, 1923, 1934, 1935, 1936, 1939.

Days with data per year at Barnum 1 N
Year	Days with data	Share of year	Complete
1919	141	39%	No
1920	214	58%	No
1921	362	99%	Yes
1922	237	65%	No
1923	288	79%	No
1924	364	99%	Yes
1925	360	99%	Yes
1926	363	99%	Yes
1927	360	99%	Yes
1928	355	97%	Yes
1929	361	99%	Yes
1930	360	99%	Yes
1931	365	100%	Yes
1932	361	99%	Yes
1933	354	97%	Yes
1934	305	84%	No
1935	316	87%	No
1936	245	67%	No
1937	361	99%	Yes
1938	361	99%	Yes
1939	86	24%	No

Latest Records

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

Climate Trend

13 complete years, 1921 to 1938

One stripe for each of 13 complete years at Barnum 1 N, 1921 to 1938. Blue stripes are years cooler than the station's own mean of 6.8 C (44.2 F); red stripes are warmer. The coolest year was 1929, at 4.9 C (40.8 F), and the warmest was 1938, at 8.2 C (46.8 F). The strongest colour marks a difference of 2.0 C (3.6 F).

Annual mean temperature at Barnum 1 N as warming stripes, 1921 to 1938
Year	Annual mean temperature	Difference from the station mean
1921	7.2 C	+0.36 C
1924	6.5 C	-0.36 C
1925	7.8 C	+0.98 C
1926	7.7 C	+0.86 C
1927	6.6 C	-0.21 C
1928	7.0 C	+0.23 C
1929	4.9 C	-1.92 C
1930	5.9 C	-0.91 C
1931	7.0 C	+0.14 C
1932	5.6 C	-1.20 C
1933	7.5 C	+0.71 C
1937	6.7 C	-0.15 C
1938	8.2 C	+1.41 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

1905 to 1952

Yearly extremes at Barnum 1 N: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	42.2 C (108.0 F)	1933	36.7 C (98.1 F)	21
Coldest night (TNn)	-42.8 C (-45.0 F)	1930	-32.2 C (-26.0 F)	21
Wettest day (Rx1day)	68.1 mm (2.7 in)	1923	28.7 mm (1.1 in)	33
Wettest five days (Rx5day)	89.7 mm (3.5 in)	1922	36.4 mm (1.4 in)	32
Longest dry spell (CDD)	55 days	1911	33 days	33

Hottest day (TXx)

The hottest day of the year at Barnum 1 N, 1905 to 1952. The record is 42.2 C (108.0 F) in 1933, marked on the chart; the median year is 36.7 C (98.1 F).

Hottest day (TXx) at Barnum 1 N by year
Year	Hottest day (TXx)
1905	n/a
1906	n/a
1907	n/a
1908	n/a
1909	n/a
1910	n/a
1911	n/a
1912	n/a
1919	37.8 C (100.0 F)
1920	36.1 C (97.0 F)
1921	36.7 C (98.1 F)
1922	35.0 C (95.0 F)
1923	36.7 C (98.1 F)
1924	36.1 C (97.0 F)
1925	38.3 C (100.9 F)
1926	36.1 C (97.0 F)
1927	35.6 C (96.1 F)
1928	35.6 C (96.1 F)
1929	36.1 C (97.0 F)
1930	38.3 C (100.9 F)
1931	40.0 C (104.0 F)
1932	36.1 C (97.0 F)
1933	42.2 C (108.0 F)
1934	37.2 C (99.0 F)
1935	37.8 C (100.0 F)
1936	37.2 C (99.0 F)
1937	37.8 C (100.0 F)
1938	37.2 C (99.0 F)
1939	22.8 C (73.0 F)
1949	n/a
1950	n/a
1951	n/a
1952	n/a

Coldest night (TNn)

The coldest night of the year at Barnum 1 N, 1905 to 1952. The record is -42.8 C (-45.0 F) in 1930, marked on the chart; the median year is -32.2 C (-26.0 F).

Coldest night (TNn) at Barnum 1 N by year
Year	Coldest night (TNn)
1905	n/a
1906	n/a
1907	n/a
1908	n/a
1909	n/a
1910	n/a
1911	n/a
1912	n/a
1919	-17.8 C (0.0 F)
1920	-26.1 C (-15.0 F)
1921	-24.4 C (-11.9 F)
1922	-33.3 C (-27.9 F)
1923	-38.9 C (-38.0 F)
1924	-38.9 C (-38.0 F)
1925	-22.8 C (-9.0 F)
1926	-33.3 C (-27.9 F)
1927	-30.6 C (-23.1 F)
1928	-27.8 C (-18.0 F)
1929	-33.9 C (-29.0 F)
1930	-42.8 C (-45.0 F)
1931	-23.3 C (-9.9 F)
1932	-36.1 C (-33.0 F)
1933	-41.7 C (-43.1 F)
1934	-18.9 C (-2.0 F)
1935	-32.2 C (-26.0 F)
1936	-24.4 C (-11.9 F)
1937	-32.2 C (-26.0 F)
1938	-30.0 C (-22.0 F)
1939	-32.2 C (-26.0 F)
1949	n/a
1950	n/a
1951	n/a
1952	n/a

Wettest day (Rx1day)

The wettest day of the year at Barnum 1 N, 1905 to 1952. The record is 68.1 mm (2.7 in) in 1923, marked on the chart; the median year is 28.7 mm (1.1 in).

Wettest day (Rx1day) at Barnum 1 N by year
Year	Wettest day (Rx1day)
1905	30.5 mm (1.2 in)
1906	31.5 mm (1.2 in)
1907	53.3 mm (2.1 in)
1908	41.9 mm (1.6 in)
1909	38.4 mm (1.5 in)
1910	25.4 mm (1.0 in)
1911	22.9 mm (0.9 in)
1912	36.8 mm (1.4 in)
1919	17.3 mm (0.7 in)
1920	20.3 mm (0.8 in)
1921	27.4 mm (1.1 in)
1922	61.0 mm (2.4 in)
1923	68.1 mm (2.7 in)
1924	25.7 mm (1.0 in)
1925	34.8 mm (1.4 in)
1926	28.7 mm (1.1 in)
1927	31.0 mm (1.2 in)
1928	28.2 mm (1.1 in)
1929	24.6 mm (1.0 in)
1930	31.5 mm (1.2 in)
1931	36.1 mm (1.4 in)
1932	11.2 mm (0.4 in)
1933	50.8 mm (2.0 in)
1934	28.7 mm (1.1 in)
1935	13.5 mm (0.5 in)
1936	53.8 mm (2.1 in)
1937	39.4 mm (1.6 in)
1938	20.3 mm (0.8 in)
1939	6.1 mm (0.24 in)
1949	3.8 mm (0.15 in)
1950	17.0 mm (0.7 in)
1951	14.7 mm (0.6 in)
1952	22.9 mm (0.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Barnum 1 N, 1905 to 1952. The record is 89.7 mm (3.5 in) in 1922, marked on the chart; the median year is 36.4 mm (1.4 in).

Wettest five days (Rx5day) at Barnum 1 N by year
Year	Wettest five days (Rx5day)
1905	30.5 mm (1.2 in)
1906	47.8 mm (1.9 in)
1907	53.3 mm (2.1 in)
1908	57.9 mm (2.3 in)
1909	54.9 mm (2.2 in)
1910	36.8 mm (1.4 in)
1911	27.5 mm (1.1 in)
1912	36.8 mm (1.4 in)
1919	35.5 mm (1.4 in)
1920	36.6 mm (1.4 in)
1921	44.2 mm (1.7 in)
1922	89.7 mm (3.5 in)
1923	74.0 mm (2.9 in)
1924	22.3 mm (0.9 in)
1925	n/a
1926	32.8 mm (1.3 in)
1927	52.6 mm (2.1 in)
1928	35.0 mm (1.4 in)
1929	42.1 mm (1.7 in)
1930	34.1 mm (1.3 in)
1931	64.1 mm (2.5 in)
1932	21.7 mm (0.9 in)
1933	68.1 mm (2.7 in)
1934	33.3 mm (1.3 in)
1935	30.0 mm (1.2 in)
1936	53.8 mm (2.1 in)
1937	71.5 mm (2.8 in)
1938	29.5 mm (1.2 in)
1939	10.4 mm (0.4 in)
1949	6.4 mm (0.25 in)
1950	25.7 mm (1.0 in)
1951	16.5 mm (0.6 in)
1952	36.1 mm (1.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Barnum 1 N, 1905 to 1952. The record is 55 days in 1911, marked on the chart; the median year is 33 days.

Longest dry spell (CDD) at Barnum 1 N by year
Year	Longest dry spell (CDD)
1905	49 days
1906	45 days
1907	48 days
1908	37 days
1909	36 days
1910	47 days
1911	55 days
1912	19 days
1919	28 days
1920	33 days
1921	50 days
1922	20 days
1923	3 days
1924	3 days
1925	2 days
1926	30 days
1927	1 day
1928	2 days
1929	32 days
1930	1 day
1931	47 days
1932	36 days
1933	49 days
1934	48 days
1935	29 days
1936	36 days
1937	51 days
1938	36 days
1939	17 days
1949	27 days
1950	28 days
1951	20 days
1952	37 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 Barnum 1 N standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Barnum 1 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).