Moon Lake Weather Records (USC00425815)

Record envelope, standing records and threshold days for Moon Lake (USC00425815), Utah, United States, with 92 years of record.

Key Facts for Moon Lake

Moon Lake (USC00425815) is a weather station in Utah, United States at 40.56 latitude and -110.49 longitude, 2,477 m (8,125 ft) above sea level.
The station reports from 1935 to 2026, 92 years of record.
1,464 records set at Moon Lake still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Utah, United States, 40.56 latitude, -110.49 longitude.
Elevation: 2,477 m (8,125 ft).
Period of record: 1935 to 2026, 92 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

89 days at or beyond a record

The band shows the record high and record low for each calendar day at Moon Lake. The lines show the 2026 daily maximum and minimum. 89 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Moon Lake, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	13.9 C (57.0 F)	-36.7 C (-34.1 F)	9.4 C (48.9 F)	-23.3 C (-9.9 F)
Feb	11.1 C (52.0 F)	-34.4 C (-29.9 F)	11.1 C (52.0 F)	-23.3 C (-9.9 F)
Mar	17.8 C (64.0 F)	-31.1 C (-24.0 F)	17.2 C (63.0 F)	-18.3 C (-0.9 F)
Apr	21.1 C (70.0 F)	-19.4 C (-2.9 F)	20.6 C (69.1 F)	-18.3 C (-0.9 F)
May	25.0 C (77.0 F)	-18.3 C (-0.9 F)	24.4 C (75.9 F)	-1.7 C (28.9 F)
Jun	31.1 C (88.0 F)	-7.2 C (19.0 F)	29.4 C (84.9 F)	1.1 C (34.0 F)
Jul	31.7 C (89.1 F)	-1.1 C (30.0 F)	31.1 C (88.0 F)	7.8 C (46.0 F)
Aug	33.9 C (93.0 F)	-3.3 C (26.1 F)	31.1 C (88.0 F)	6.1 C (43.0 F)
Sep	29.4 C (84.9 F)	-13.3 C (8.1 F)	27.2 C (81.0 F)	3.3 C (37.9 F)
Oct	23.3 C (73.9 F)	-18.3 C (-0.9 F)	18.9 C (66.0 F)	-18.3 C (-0.9 F)
Nov	20.0 C (68.0 F)	-26.7 C (-16.1 F)	18.9 C (66.0 F)	-18.3 C (-0.9 F)
Dec	13.3 C (55.9 F)	-30.6 C (-23.1 F)	13.3 C (55.9 F)	-18.3 C (-0.9 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Moon Lake still stand. 2025 holds the most, with 138.

Standing records at Moon Lake by the year they were set
Year set	Standing records
1937	6
1939	26
1940	112
1941	61
1942	82
1943	107
1944	51
1945	59
1946	82
1947	73
1948	83
1949	63
1950	57
1951	15
1952	22
1953	36
1954	31
1955	33
1956	27
1957	27
1958	31
1959	22
1960	20
1961	14
1962	19
1963	7
1964	7
1965	24
1966	10
1969	6
2024	113
2025	138

Wettest Day of Each Month

Jan: 91.4 mm (3.6 in)

The wettest day on record for each calendar month at Moon Lake. The most was 91.4 mm (3.6 in) on 27 January 1949.

Record daily precipitation for each month at Moon Lake
Month	Record daily precipitation (mm)	Date
Jan	91.4 mm (3.6 in)	27 January 1949
Feb	33.0 mm (1.3 in)	7 February 1937
Mar	37.8 mm (1.5 in)	31 March 1936
Apr	50.0 mm (2.0 in)	20 April 1944
May	68.1 mm (2.7 in)	12 May 1947
Jun	36.8 mm (1.4 in)	7 June 1941
Jul	42.7 mm (1.7 in)	18 July 1954
Aug	52.1 mm (2.1 in)	19 August 1959
Sep	40.6 mm (1.6 in)	19 September 1961
Oct	68.3 mm (2.7 in)	29 October 1946
Nov	26.9 mm (1.1 in)	20 November 1946
Dec	33.0 mm (1.3 in)	30 December 1948

Period of Record Coverage

1937 to 2025

32 years of record at Moon Lake, 1937 to 2025. 25 years have data for under 90 percent of days and are left out of rankings: 1937, 1939, 1944, 1945, 1947, 1948, 1949, 1950 and others.

Days with data per year at Moon Lake
Year	Days with data	Share of year	Complete
1937	27	7%	No
1939	92	25%	No
1940	354	97%	Yes
1941	353	97%	Yes
1942	365	100%	Yes
1943	352	96%	Yes
1944	318	87%	No
1945	306	84%	No
1946	350	96%	Yes
1947	308	84%	No
1948	312	85%	No
1949	248	68%	No
1950	244	67%	No
1951	75	21%	No
1952	179	49%	No
1953	205	56%	No
1954	166	45%	No
1955	169	46%	No
1956	212	58%	No
1957	152	42%	No
1958	177	48%	No
1959	183	50%	No
1960	186	51%	No
1961	178	49%	No
1962	166	45%	No
1963	104	28%	No
1964	92	25%	No
1965	92	25%	No
1966	123	34%	No
1969	44	12%	No
2024	356	97%	Yes
2025	357	98%	Yes

Latest Records

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

Extremes by Year

1935 to 2026

Yearly extremes at Moon Lake: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	33.9 C (93.0 F)	1966	29.4 C (84.9 F)	40
Coldest night (TNn)	-36.7 C (-34.1 F)	1942	-23.0 C (-9.5 F)	40
Wettest day (Rx1day)	91.4 mm (3.6 in)	1949	31.8 mm (1.3 in)	33
Wettest five days (Rx5day)	114.4 mm (4.5 in)	1943	47.5 mm (1.9 in)	33
Longest dry spell (CDD)	63 days	1952	28 days	33

Hottest day (TXx)

The hottest day of the year at Moon Lake, 1935 to 2026. The record is 33.9 C (93.0 F) in 1966, marked on the chart; the median year is 29.4 C (84.9 F).

Hottest day (TXx) at Moon Lake by year
Year	Hottest day (TXx)
1935	n/a
1936	n/a
1937	5.6 C (42.1 F)
1938	n/a
1939	16.7 C (62.1 F)
1940	31.7 C (89.1 F)
1941	28.3 C (82.9 F)
1942	28.9 C (84.0 F)
1943	29.4 C (84.9 F)
1944	27.2 C (81.0 F)
1945	27.8 C (82.0 F)
1946	30.6 C (87.1 F)
1947	31.1 C (88.0 F)
1948	30.6 C (87.1 F)
1949	31.7 C (89.1 F)
1950	30.6 C (87.1 F)
1951	23.3 C (73.9 F)
1952	27.8 C (82.0 F)
1953	29.4 C (84.9 F)
1954	29.4 C (84.9 F)
1955	30.6 C (87.1 F)
1956	29.4 C (84.9 F)
1957	28.3 C (82.9 F)
1958	29.4 C (84.9 F)
1959	30.0 C (86.0 F)
1960	31.1 C (88.0 F)
1961	29.4 C (84.9 F)
1962	29.4 C (84.9 F)
1963	27.8 C (82.0 F)
1964	27.8 C (82.0 F)
1965	25.6 C (78.1 F)
1966	33.9 C (93.0 F)
1969	27.2 C (81.0 F)
2017	10.6 C (51.1 F)
2018	30.6 C (87.1 F)
2019	29.4 C (84.9 F)
2020	31.1 C (88.0 F)
2021	31.7 C (89.1 F)
2022	30.0 C (86.0 F)
2023	31.1 C (88.0 F)
2024	31.7 C (89.1 F)
2025	31.1 C (88.0 F)
2026	32.8 C (91.0 F)

Coldest night (TNn)

The coldest night of the year at Moon Lake, 1935 to 2026. The record is -36.7 C (-34.1 F) in 1942, marked on the chart; the median year is -23.0 C (-9.5 F).

Coldest night (TNn) at Moon Lake by year
Year	Coldest night (TNn)
1935	n/a
1936	n/a
1937	-23.3 C (-9.9 F)
1938	n/a
1939	-23.9 C (-11.0 F)
1940	-28.9 C (-20.0 F)
1941	-25.6 C (-14.1 F)
1942	-36.7 C (-34.1 F)
1943	-28.3 C (-18.9 F)
1944	-26.7 C (-16.1 F)
1945	-28.3 C (-18.9 F)
1946	-30.6 C (-23.1 F)
1947	-28.9 C (-20.0 F)
1948	-33.9 C (-29.0 F)
1949	-34.4 C (-29.9 F)
1950	-22.8 C (-9.0 F)
1951	-17.8 C (0.0 F)
1952	-26.7 C (-16.1 F)
1953	-22.8 C (-9.0 F)
1954	-24.4 C (-11.9 F)
1955	-14.4 C (6.1 F)
1956	-25.6 C (-14.1 F)
1957	-9.4 C (15.1 F)
1958	-24.4 C (-11.9 F)
1959	-11.1 C (12.0 F)
1960	-12.2 C (10.0 F)
1961	-12.2 C (10.0 F)
1962	-13.3 C (8.1 F)
1963	-4.4 C (24.1 F)
1964	-7.2 C (19.0 F)
1965	-13.3 C (8.1 F)
1966	-11.1 C (12.0 F)
1969	-1.1 C (30.0 F)
2017	-5.6 C (21.9 F)
2018	-25.0 C (-13.0 F)
2019	-27.2 C (-17.0 F)
2020	-23.3 C (-9.9 F)
2021	-20.6 C (-5.1 F)
2022	-20.6 C (-5.1 F)
2023	-18.3 C (-0.9 F)
2024	-22.8 C (-9.0 F)
2025	-23.3 C (-9.9 F)
2026	-19.4 C (-2.9 F)

Wettest day (Rx1day)

The wettest day of the year at Moon Lake, 1935 to 2026. The record is 91.4 mm (3.6 in) in 1949, marked on the chart; the median year is 31.8 mm (1.3 in).

Wettest day (Rx1day) at Moon Lake by year
Year	Wettest day (Rx1day)
1935	18.5 mm (0.7 in)
1936	37.8 mm (1.5 in)
1937	35.6 mm (1.4 in)
1938	29.0 mm (1.1 in)
1939	25.1 mm (1.0 in)
1940	26.2 mm (1.0 in)
1941	36.8 mm (1.4 in)
1942	31.8 mm (1.3 in)
1943	50.8 mm (2.0 in)
1944	50.0 mm (2.0 in)
1945	24.1 mm (0.9 in)
1946	68.3 mm (2.7 in)
1947	68.1 mm (2.7 in)
1948	33.0 mm (1.3 in)
1949	91.4 mm (3.6 in)
1950	28.2 mm (1.1 in)
1951	25.7 mm (1.0 in)
1952	29.2 mm (1.1 in)
1953	43.7 mm (1.7 in)
1954	42.7 mm (1.7 in)
1955	34.8 mm (1.4 in)
1956	11.9 mm (0.5 in)
1957	29.2 mm (1.1 in)
1958	34.3 mm (1.4 in)
1959	52.1 mm (2.1 in)
1960	31.5 mm (1.2 in)
1961	40.6 mm (1.6 in)
1962	26.7 mm (1.1 in)
1963	12.7 mm (0.5 in)
1964	12.4 mm (0.5 in)
1965	27.4 mm (1.1 in)
1966	35.6 mm (1.4 in)
1969	25.4 mm (1.0 in)
2017	n/a
2018	n/a
2019	n/a
2020	n/a
2021	n/a
2022	n/a
2023	n/a
2024	n/a
2025	n/a
2026	n/a

Wettest five days (Rx5day)

The wettest five days of the year at Moon Lake, 1935 to 2026. The record is 114.4 mm (4.5 in) in 1943, marked on the chart; the median year is 47.5 mm (1.9 in).

Wettest five days (Rx5day) at Moon Lake by year
Year	Wettest five days (Rx5day)
1935	18.0 mm (0.7 in)
1936	63.7 mm (2.5 in)
1937	66.5 mm (2.6 in)
1938	47.3 mm (1.9 in)
1939	59.8 mm (2.4 in)
1940	50.9 mm (2.0 in)
1941	64.0 mm (2.5 in)
1942	40.4 mm (1.6 in)
1943	114.4 mm (4.5 in)
1944	58.9 mm (2.3 in)
1945	39.7 mm (1.6 in)
1946	68.3 mm (2.7 in)
1947	68.1 mm (2.7 in)
1948	33.0 mm (1.3 in)
1949	91.4 mm (3.6 in)
1950	28.2 mm (1.1 in)
1951	46.9 mm (1.8 in)
1952	47.5 mm (1.9 in)
1953	65.8 mm (2.6 in)
1954	53.3 mm (2.1 in)
1955	42.9 mm (1.7 in)
1956	25.8 mm (1.0 in)
1957	38.1 mm (1.5 in)
1958	34.3 mm (1.4 in)
1959	52.1 mm (2.1 in)
1960	45.5 mm (1.8 in)
1961	65.5 mm (2.6 in)
1962	35.6 mm (1.4 in)
1963	27.9 mm (1.1 in)
1964	32.7 mm (1.3 in)
1965	53.1 mm (2.1 in)
1966	35.6 mm (1.4 in)
1969	59.1 mm (2.3 in)
2017	n/a
2018	n/a
2019	n/a
2020	n/a
2021	n/a
2022	n/a
2023	n/a
2024	n/a
2025	n/a
2026	n/a

Longest dry spell (CDD)

The longest dry spell of the year at Moon Lake, 1935 to 2026. The record is 63 days in 1952, marked on the chart; the median year is 28 days.

Longest dry spell (CDD) at Moon Lake by year
Year	Longest dry spell (CDD)
1935	15 days
1936	32 days
1937	42 days
1938	24 days
1939	34 days
1940	28 days
1941	15 days
1942	39 days
1943	26 days
1944	30 days
1945	27 days
1946	42 days
1947	24 days
1948	25 days
1949	43 days
1950	39 days
1951	34 days
1952	63 days
1953	37 days
1954	35 days
1955	24 days
1956	27 days
1957	17 days
1958	40 days
1959	19 days
1960	32 days
1961	27 days
1962	30 days
1963	12 days
1964	53 days
1965	11 days
1966	25 days
1969	18 days
2017	n/a
2018	n/a
2019	n/a
2020	n/a
2021	n/a
2022	n/a
2023	n/a
2024	n/a
2025	n/a
2026	n/a

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 Moon Lake standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Moon Lake 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).