Chena Hot Springs Weather Records (USC00501574)

Record envelope, standing records and threshold days for Chena Hot Springs (USC00501574), Alaska, United States, with 50 years of record.

Key Facts for Chena Hot Springs

Chena Hot Springs (USC00501574) is a weather station in Alaska, United States at 65.05 latitude and -146.06 longitude, 361 m (1,185 ft) above sea level.
The station reports from 1962 to 2011, 50 years of record.
1,464 records set at Chena Hot Springs still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Alaska, United States, 65.05 latitude, -146.06 longitude.
Elevation: 361 m (1,185 ft).
Period of record: 1962 to 2011, 50 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 Chena Hot Springs. 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 Chena Hot Springs, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	7.8 C (46.0 F)	-49.4 C (-56.9 F)	n/a	n/a
Feb	10.0 C (50.0 F)	-46.7 C (-52.1 F)	n/a	n/a
Mar	12.2 C (54.0 F)	-44.4 C (-47.9 F)	n/a	n/a
Apr	18.3 C (64.9 F)	-32.2 C (-26.0 F)	n/a	n/a
May	27.8 C (82.0 F)	-21.7 C (-7.1 F)	n/a	n/a
Jun	33.3 C (91.9 F)	-4.4 C (24.1 F)	n/a	n/a
Jul	29.4 C (84.9 F)	-3.9 C (25.0 F)	n/a	n/a
Aug	32.8 C (91.0 F)	-7.2 C (19.0 F)	n/a	n/a
Sep	25.6 C (78.1 F)	-18.3 C (-0.9 F)	n/a	n/a
Oct	18.3 C (64.9 F)	-40.6 C (-41.1 F)	n/a	n/a
Nov	10.6 C (51.1 F)	-40.6 C (-41.1 F)	n/a	n/a
Dec	8.3 C (46.9 F)	-50.6 C (-59.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Chena Hot Springs still stand. 1963 holds the most, with 135.

Standing records at Chena Hot Springs by the year they were set
Year set	Standing records
1962	41
1963	135
1964	117
1965	121
1966	90
1967	104
1968	83
1969	124
1970	114
1971	117
1972	86
1973	59
1974	89
1975	12
1978	4
2009	12
2010	79
2011	77

Wettest Day of Each Month

Aug: 79.5 mm (3.1 in)

The wettest day on record for each calendar month at Chena Hot Springs. The most was 79.5 mm (3.1 in) on 12 August 1967.

Record daily precipitation for each month at Chena Hot Springs
Month	Record daily precipitation (mm)	Date
Jan	10.2 mm (0.4 in)	12 January 1963
Feb	13.5 mm (0.5 in)	19 February 2009
Mar	26.2 mm (1.0 in)	23 March 1964
Apr	7.4 mm (0.29 in)	22 April 1964
May	19.3 mm (0.8 in)	8 May 1966
Jun	35.1 mm (1.4 in)	11 June 2010
Jul	29.2 mm (1.1 in)	16 July 1970
Aug	79.5 mm (3.1 in)	12 August 1967
Sep	15.7 mm (0.6 in)	13 September 1972
Oct	20.3 mm (0.8 in)	12 October 1970
Nov	15.2 mm (0.6 in)	12 November 1967
Dec	20.6 mm (0.8 in)	24 December 1970

Period of Record Coverage

1962 to 2011

18 years of record at Chena Hot Springs, 1962 to 2011. 6 years have data for under 90 percent of days and are left out of rankings: 1962, 1972, 1975, 1978, 2009, 2011.

Days with data per year at Chena Hot Springs
Year	Days with data	Share of year	Complete
1962	134	37%	No
1963	362	99%	Yes
1964	366	100%	Yes
1965	364	100%	Yes
1966	362	99%	Yes
1967	365	100%	Yes
1968	357	98%	Yes
1969	361	99%	Yes
1970	365	100%	Yes
1971	354	97%	Yes
1972	317	87%	No
1973	362	99%	Yes
1974	364	100%	Yes
1975	24	7%	No
1978	47	13%	No
2009	53	15%	No
2010	356	98%	Yes
2011	309	85%	No

Latest Records

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

Climate Trend

12 complete years, 1963 to 2010

One stripe for each of 12 complete years at Chena Hot Springs, 1963 to 2010. Blue stripes are years cooler than the station's own mean of -4.9 C (23.1 F); red stripes are warmer. The coolest year was 1971, at -6.9 C (19.6 F), and the warmest was 2010, at -2.8 C (27.0 F). The strongest colour marks a difference of 2.2 C (4.0 F).

Annual mean temperature at Chena Hot Springs as warming stripes, 1963 to 2010
Year	Annual mean temperature	Difference from the station mean
1963	-3.7 C	+1.25 C
1964	-5.9 C	-0.91 C
1965	-4.6 C	+0.36 C
1966	-6.0 C	-1.03 C
1967	-3.9 C	+1.09 C
1968	-4.5 C	+0.42 C
1969	-4.4 C	+0.57 C
1970	-5.0 C	-0.09 C
1971	-6.9 C	-1.96 C
1973	-5.2 C	-0.27 C
1974	-6.5 C	-1.58 C
2010	-2.8 C	+2.18 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

1962 to 2011

Yearly extremes at Chena Hot Springs: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	33.3 C (91.9 F)	1969	27.8 C (82.0 F)	18
Coldest night (TNn)	-50.6 C (-59.1 F)	1964	-45.3 C (-49.5 F)	18
Wettest day (Rx1day)	79.5 mm (3.1 in)	1967	24.6 mm (1.0 in)	19
Wettest five days (Rx5day)	148.9 mm (5.9 in)	1967	38.1 mm (1.5 in)	19
Longest dry spell (CDD)	50 days	1969	31 days	19

Hottest day (TXx)

The hottest day of the year at Chena Hot Springs, 1962 to 2011. The record is 33.3 C (91.9 F) in 1969, marked on the chart; the median year is 27.8 C (82.0 F).

Hottest day (TXx) at Chena Hot Springs by year
Year	Hottest day (TXx)
1962	22.2 C (72.0 F)
1963	28.3 C (82.9 F)
1964	27.2 C (81.0 F)
1965	26.7 C (80.1 F)
1966	28.3 C (82.9 F)
1967	30.6 C (87.1 F)
1968	29.4 C (84.9 F)
1969	33.3 C (91.9 F)
1970	27.2 C (81.0 F)
1971	29.4 C (84.9 F)
1972	30.6 C (87.1 F)
1973	27.8 C (82.0 F)
1974	27.8 C (82.0 F)
1975	-9.4 C (15.1 F)
1978	5.6 C (42.1 F)
2008	n/a
2009	5.0 C (41.0 F)
2010	32.8 C (91.0 F)
2011	27.8 C (82.0 F)

Coldest night (TNn)

The coldest night of the year at Chena Hot Springs, 1962 to 2011. The record is -50.6 C (-59.1 F) in 1964, marked on the chart; the median year is -45.3 C (-49.5 F).

Coldest night (TNn) at Chena Hot Springs by year
Year	Coldest night (TNn)
1962	-42.8 C (-45.0 F)
1963	-47.2 C (-53.0 F)
1964	-50.6 C (-59.1 F)
1965	-45.6 C (-50.1 F)
1966	-45.0 C (-49.0 F)
1967	-42.8 C (-45.0 F)
1968	-46.7 C (-52.1 F)
1969	-46.1 C (-51.0 F)
1970	-42.2 C (-44.0 F)
1971	-49.4 C (-56.9 F)
1972	-47.2 C (-53.0 F)
1973	-45.6 C (-50.1 F)
1974	-45.0 C (-49.0 F)
1975	-49.4 C (-56.9 F)
1978	-32.2 C (-26.0 F)
2008	n/a
2009	-35.6 C (-32.1 F)
2010	-35.6 C (-32.1 F)
2011	-39.4 C (-38.9 F)

Wettest day (Rx1day)

The wettest day of the year at Chena Hot Springs, 1962 to 2011. The record is 79.5 mm (3.1 in) in 1967, marked on the chart; the median year is 24.6 mm (1.0 in).

Wettest day (Rx1day) at Chena Hot Springs by year
Year	Wettest day (Rx1day)
1962	27.9 mm (1.1 in)
1963	19.8 mm (0.8 in)
1964	26.2 mm (1.0 in)
1965	29.7 mm (1.2 in)
1966	19.3 mm (0.8 in)
1967	79.5 mm (3.1 in)
1968	18.3 mm (0.7 in)
1969	32.3 mm (1.3 in)
1970	29.2 mm (1.1 in)
1971	20.3 mm (0.8 in)
1972	24.6 mm (1.0 in)
1973	29.5 mm (1.2 in)
1974	27.9 mm (1.1 in)
1975	3.3 mm (0.13 in)
1978	3.0 mm (0.12 in)
2008	5.8 mm (0.23 in)
2009	13.5 mm (0.5 in)
2010	35.1 mm (1.4 in)
2011	18.0 mm (0.7 in)

Wettest five days (Rx5day)

The wettest five days of the year at Chena Hot Springs, 1962 to 2011. The record is 148.9 mm (5.9 in) in 1967, marked on the chart; the median year is 38.1 mm (1.5 in).

Wettest five days (Rx5day) at Chena Hot Springs by year
Year	Wettest five days (Rx5day)
1962	85.9 mm (3.4 in)
1963	36.6 mm (1.4 in)
1964	36.8 mm (1.4 in)
1965	40.4 mm (1.6 in)
1966	24.9 mm (1.0 in)
1967	148.9 mm (5.9 in)
1968	35.1 mm (1.4 in)
1969	84.3 mm (3.3 in)
1970	53.8 mm (2.1 in)
1971	38.1 mm (1.5 in)
1972	52.4 mm (2.1 in)
1973	57.1 mm (2.2 in)
1974	33.5 mm (1.3 in)
1975	4.6 mm (0.18 in)
1978	4.3 mm (0.17 in)
2008	6.6 mm (0.26 in)
2009	31.3 mm (1.2 in)
2010	54.1 mm (2.1 in)
2011	38.2 mm (1.5 in)

Longest dry spell (CDD)

The longest dry spell of the year at Chena Hot Springs, 1962 to 2011. The record is 50 days in 1969, marked on the chart; the median year is 31 days.

Longest dry spell (CDD) at Chena Hot Springs by year
Year	Longest dry spell (CDD)
1962	16 days
1963	31 days
1964	33 days
1965	30 days
1966	36 days
1967	21 days
1968	44 days
1969	50 days
1970	31 days
1971	43 days
1972	42 days
1973	48 days
1974	34 days
1975	15 days
1978	18 days
2008	25 days
2009	19 days
2010	41 days
2011	15 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 Chena Hot Springs standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Chena Hot Springs 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).