Hyattville Weather Records (USC00484796)

Record envelope, standing records and threshold days for Hyattville (USC00484796), Wyoming, United States, with 54 years of record.

Key Facts for Hyattville

Hyattville (USC00484796) is a weather station in Wyoming, United States at 44.25 latitude and -107.58 longitude, 1,363 m (4,472 ft) above sea level.
The station reports from 1899 to 1952, 54 years of record.
1,464 records set at Hyattville 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, 44.25 latitude, -107.58 longitude.
Elevation: 1,363 m (4,472 ft).
Period of record: 1899 to 1952, 54 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 Hyattville. 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 Hyattville, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	16.1 C (61.0 F)	-36.7 C (-34.1 F)	n/a	n/a
Feb	17.8 C (64.0 F)	-35.0 C (-31.0 F)	n/a	n/a
Mar	26.1 C (79.0 F)	-30.6 C (-23.1 F)	n/a	n/a
Apr	31.7 C (89.1 F)	-21.7 C (-7.1 F)	n/a	n/a
May	35.0 C (95.0 F)	-6.7 C (19.9 F)	n/a	n/a
Jun	38.9 C (102.0 F)	-6.7 C (19.9 F)	n/a	n/a
Jul	40.0 C (104.0 F)	1.1 C (34.0 F)	n/a	n/a
Aug	40.6 C (105.1 F)	-5.0 C (23.0 F)	n/a	n/a
Sep	36.7 C (98.1 F)	-6.7 C (19.9 F)	n/a	n/a
Oct	34.4 C (93.9 F)	-22.2 C (-8.0 F)	n/a	n/a
Nov	31.1 C (88.0 F)	-28.3 C (-18.9 F)	n/a	n/a
Dec	16.7 C (62.1 F)	-35.0 C (-31.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Hyattville still stand. 1919 holds the most, with 88.

Standing records at Hyattville by the year they were set
Year set	Standing records
1899	31
1900	64
1901	71
1902	48
1903	62
1904	63
1905	65
1906	65
1907	63
1908	52
1909	75
1910	53
1911	64
1912	32
1913	56
1914	73
1915	44
1916	83
1917	46
1918	77
1919	88
1920	47
1921	70
1922	48
1923	24

Wettest Day of Each Month

Jun: 78.7 mm (3.1 in)

The wettest day on record for each calendar month at Hyattville. The most was 78.7 mm (3.1 in) on 6 June 1921.

Record daily precipitation for each month at Hyattville
Month	Record daily precipitation (mm)	Date
Jan	15.2 mm (0.6 in)	31 January 1913
Feb	10.2 mm (0.4 in)	14 February 1905
Mar	21.6 mm (0.9 in)	5 March 1918
Apr	21.6 mm (0.9 in)	13 April 1910
May	26.2 mm (1.0 in)	10 May 1914
Jun	78.7 mm (3.1 in)	6 June 1921
Jul	38.1 mm (1.5 in)	24 July 1923
Aug	50.8 mm (2.0 in)	15 August 1923
Sep	49.3 mm (1.9 in)	26 September 1915
Oct	46.0 mm (1.8 in)	20 October 1951
Nov	39.1 mm (1.5 in)	20 November 1921
Dec	22.9 mm (0.9 in)	15 December 1901

Period of Record Coverage

1899 to 1923

25 years of record at Hyattville, 1899 to 1923. 10 years have data for under 90 percent of days and are left out of rankings: 1899, 1902, 1904, 1909, 1910, 1912, 1913, 1914 and others.

Days with data per year at Hyattville
Year	Days with data	Share of year	Complete
1899	236	65%	No
1900	357	98%	Yes
1901	350	96%	Yes
1902	298	82%	No
1903	354	97%	Yes
1904	328	90%	No
1905	353	97%	Yes
1906	343	94%	Yes
1907	345	95%	Yes
1908	352	96%	Yes
1909	269	74%	No
1910	241	66%	No
1911	345	95%	Yes
1912	307	84%	No
1913	305	84%	No
1914	328	90%	No
1915	333	91%	Yes
1916	365	100%	Yes
1917	359	98%	Yes
1918	341	93%	Yes
1919	330	90%	Yes
1920	333	91%	Yes
1921	352	96%	Yes
1922	327	90%	No
1923	225	62%	No

Latest Records

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

Extremes by Year

1899 to 1952

Yearly extremes at Hyattville: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	40.6 C (105.1 F)	1903	37.8 C (100.0 F)	25
Coldest night (TNn)	-36.7 C (-34.1 F)	1918	-28.9 C (-20.0 F)	25
Wettest day (Rx1day)	78.7 mm (3.1 in)	1921	19.1 mm (0.8 in)	29
Wettest five days (Rx5day)	62.2 mm (2.4 in)	1952	12.7 mm (0.5 in)	27
Longest dry spell (CDD)	167 days	1914	31 days	28

Hottest day (TXx)

The hottest day of the year at Hyattville, 1899 to 1952. The record is 40.6 C (105.1 F) in 1903, marked on the chart; the median year is 37.8 C (100.0 F).

Hottest day (TXx) at Hyattville by year
Year	Hottest day (TXx)
1899	38.3 C (100.9 F)
1900	37.8 C (100.0 F)
1901	40.0 C (104.0 F)
1902	38.3 C (100.9 F)
1903	40.6 C (105.1 F)
1904	37.2 C (99.0 F)
1905	36.7 C (98.1 F)
1906	37.8 C (100.0 F)
1907	35.6 C (96.1 F)
1908	37.2 C (99.0 F)
1909	37.2 C (99.0 F)
1910	38.3 C (100.9 F)
1911	37.2 C (99.0 F)
1912	36.7 C (98.1 F)
1913	37.8 C (100.0 F)
1914	39.4 C (102.9 F)
1915	36.1 C (97.0 F)
1916	37.8 C (100.0 F)
1917	38.3 C (100.9 F)
1918	37.2 C (99.0 F)
1919	39.4 C (102.9 F)
1920	39.4 C (102.9 F)
1921	39.4 C (102.9 F)
1922	37.2 C (99.0 F)
1923	35.6 C (96.1 F)
1949	n/a
1950	n/a
1951	n/a
1952	n/a

Coldest night (TNn)

The coldest night of the year at Hyattville, 1899 to 1952. The record is -36.7 C (-34.1 F) in 1918, marked on the chart; the median year is -28.9 C (-20.0 F).

Coldest night (TNn) at Hyattville by year
Year	Coldest night (TNn)
1899	-17.8 C (0.0 F)
1900	-33.9 C (-29.0 F)
1901	-29.4 C (-20.9 F)
1902	-35.6 C (-32.1 F)
1903	-24.4 C (-11.9 F)
1904	-28.9 C (-20.0 F)
1905	-35.0 C (-31.0 F)
1906	-30.6 C (-23.1 F)
1907	-28.9 C (-20.0 F)
1908	-28.9 C (-20.0 F)
1909	-30.6 C (-23.1 F)
1910	-13.9 C (7.0 F)
1911	-30.0 C (-22.0 F)
1912	-27.2 C (-17.0 F)
1913	-25.6 C (-14.1 F)
1914	-33.9 C (-29.0 F)
1915	-22.8 C (-9.0 F)
1916	-34.4 C (-29.9 F)
1917	-28.9 C (-20.0 F)
1918	-36.7 C (-34.1 F)
1919	-35.0 C (-31.0 F)
1920	-21.1 C (-6.0 F)
1921	-22.2 C (-8.0 F)
1922	-26.7 C (-16.1 F)
1923	-32.8 C (-27.0 F)
1949	n/a
1950	n/a
1951	n/a
1952	n/a

Wettest day (Rx1day)

The wettest day of the year at Hyattville, 1899 to 1952. The record is 78.7 mm (3.1 in) in 1921, marked on the chart; the median year is 19.1 mm (0.8 in).

Wettest day (Rx1day) at Hyattville by year
Year	Wettest day (Rx1day)
1899	10.2 mm (0.4 in)
1900	5.1 mm (0.20 in)
1901	22.9 mm (0.9 in)
1902	17.8 mm (0.7 in)
1903	19.1 mm (0.8 in)
1904	1.8 mm (0.07 in)
1905	15.7 mm (0.6 in)
1906	16.5 mm (0.6 in)
1907	25.7 mm (1.0 in)
1908	16.0 mm (0.6 in)
1909	16.0 mm (0.6 in)
1910	21.6 mm (0.9 in)
1911	10.2 mm (0.4 in)
1912	19.1 mm (0.8 in)
1913	15.2 mm (0.6 in)
1914	26.2 mm (1.0 in)
1915	49.3 mm (1.9 in)
1916	26.9 mm (1.1 in)
1917	16.5 mm (0.6 in)
1918	35.6 mm (1.4 in)
1919	22.9 mm (0.9 in)
1920	10.7 mm (0.4 in)
1921	78.7 mm (3.1 in)
1922	6.9 mm (0.27 in)
1923	50.8 mm (2.0 in)
1949	5.1 mm (0.20 in)
1950	22.9 mm (0.9 in)
1951	46.0 mm (1.8 in)
1952	33.5 mm (1.3 in)

Wettest five days (Rx5day)

The wettest five days of the year at Hyattville, 1899 to 1952. The record is 62.2 mm (2.4 in) in 1952, marked on the chart; the median year is 12.7 mm (0.5 in).

Wettest five days (Rx5day) at Hyattville by year
Year	Wettest five days (Rx5day)
1899	10.2 mm (0.4 in)
1900	5.1 mm (0.20 in)
1901	22.9 mm (0.9 in)
1902	25.4 mm (1.0 in)
1903	19.1 mm (0.8 in)
1904	0.0 mm (0.00 in)
1905	12.7 mm (0.5 in)
1906	10.2 mm (0.4 in)
1907	0.0 mm (0.00 in)
1908	10.2 mm (0.4 in)
1909	10.2 mm (0.4 in)
1910	n/a
1911	10.2 mm (0.4 in)
1912	36.9 mm (1.5 in)
1913	15.2 mm (0.6 in)
1914	26.2 mm (1.0 in)
1915	51.6 mm (2.0 in)
1916	7.1 mm (0.28 in)
1917	16.5 mm (0.6 in)
1918	35.6 mm (1.4 in)
1919	30.5 mm (1.2 in)
1920	11.2 mm (0.4 in)
1921	0.0 mm (0.00 in)
1922	2.9 mm (0.11 in)
1923	n/a
1949	5.1 mm (0.20 in)
1950	45.8 mm (1.8 in)
1951	49.0 mm (1.9 in)
1952	62.2 mm (2.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Hyattville, 1899 to 1952. The record is 167 days in 1914, marked on the chart; the median year is 31 days.

Longest dry spell (CDD) at Hyattville by year
Year	Longest dry spell (CDD)
1899	30 days
1900	92 days
1901	54 days
1902	31 days
1903	31 days
1904	30 days
1905	33 days
1906	19 days
1907	31 days
1908	29 days
1909	58 days
1910	1 day
1911	29 days
1912	22 days
1913	65 days
1914	167 days
1915	52 days
1916	60 days
1917	149 days
1918	61 days
1919	75 days
1920	71 days
1921	31 days
1922	5 days
1923	n/a
1949	17 days
1950	29 days
1951	26 days
1952	70 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 Hyattville standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Hyattville 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).