Salcha Weather Records (USC00508140)

Record envelope, standing records and threshold days for Salcha (USC00508140), Alaska, United States, with 92 years of record.

Key Facts for Salcha

Salcha (USC00508140) is a weather station in Alaska, United States at 64.49 latitude and -146.98 longitude, 207 m (680 ft) above sea level.
The station reports from 1919 to 2010, 92 years of record.
1,464 records set at Salcha 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, 64.49 latitude, -146.98 longitude.
Elevation: 207 m (680 ft).
Period of record: 1919 to 2010, 92 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 Salcha. 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 Salcha, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	13.3 C (55.9 F)	-53.9 C (-65.0 F)	n/a	n/a
Feb	10.0 C (50.0 F)	-49.4 C (-56.9 F)	n/a	n/a
Mar	13.3 C (55.9 F)	-45.0 C (-49.0 F)	n/a	n/a
Apr	24.4 C (75.9 F)	-35.6 C (-32.1 F)	n/a	n/a
May	28.9 C (84.0 F)	-10.6 C (12.9 F)	n/a	n/a
Jun	33.3 C (91.9 F)	-4.4 C (24.1 F)	n/a	n/a
Jul	32.2 C (90.0 F)	-0.6 C (30.9 F)	n/a	n/a
Aug	32.2 C (90.0 F)	-4.4 C (24.1 F)	n/a	n/a
Sep	23.3 C (73.9 F)	-18.9 C (-2.0 F)	n/a	n/a
Oct	16.7 C (62.1 F)	-38.3 C (-36.9 F)	n/a	n/a
Nov	10.6 C (51.1 F)	-38.3 C (-36.9 F)	n/a	n/a
Dec	10.0 C (50.0 F)	-50.6 C (-59.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Salcha still stand. 1920 holds the most, with 108.

Standing records at Salcha by the year they were set
Year set	Standing records
1919	57
1920	108
1921	42
1975	44
1976	68
1977	75
1978	47
1979	75
1980	59
1981	74
1982	36
1983	45
1984	46
1985	79
1986	61
1987	1
1995	4
1996	75
1997	26
1998	36
1999	56
2000	6
2001	29
2004	40
2005	41
2006	56
2007	60
2008	44
2009	42
2010	32

Wettest Day of Each Month

Jul: 55.9 mm (2.2 in)

The wettest day on record for each calendar month at Salcha. The most was 55.9 mm (2.2 in) on 28 July 2008.

Record daily precipitation for each month at Salcha
Month	Record daily precipitation (mm)	Date
Jan	14.5 mm (0.6 in)	26 January 1977
Feb	25.4 mm (1.0 in)	12 February 1998
Mar	7.1 mm (0.28 in)	4 March 1985
Apr	8.1 mm (0.32 in)	30 April 1982
May	27.4 mm (1.1 in)	17 May 2005
Jun	48.5 mm (1.9 in)	18 June 1980
Jul	55.9 mm (2.2 in)	28 July 2008
Aug	39.9 mm (1.6 in)	21 August 1986
Sep	40.1 mm (1.6 in)	16 September 2007
Oct	33.5 mm (1.3 in)	11 October 1986
Nov	11.4 mm (0.4 in)	17 November 1985
Dec	20.3 mm (0.8 in)	16 December 1984

Period of Record Coverage

1919 to 2010

30 years of record at Salcha, 1919 to 2010. 14 years have data for under 90 percent of days and are left out of rankings: 1919, 1921, 1975, 1982, 1987, 1995, 1997, 1999 and others.

Days with data per year at Salcha
Year	Days with data	Share of year	Complete
1919	188	52%	No
1920	357	98%	Yes
1921	174	48%	No
1975	122	33%	No
1976	364	99%	Yes
1977	364	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	366	100%	Yes
1981	346	95%	Yes
1982	295	81%	No
1983	358	98%	Yes
1984	358	98%	Yes
1985	365	100%	Yes
1986	364	100%	Yes
1987	31	8%	No
1995	56	15%	No
1996	353	96%	Yes
1997	222	61%	No
1998	357	98%	Yes
1999	319	87%	No
2000	78	21%	No
2001	228	62%	No
2004	338	92%	Yes
2005	290	79%	No
2006	352	96%	Yes
2007	330	90%	Yes
2008	326	89%	No
2009	288	79%	No
2010	290	79%	No

Latest Records

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

Climate Trend

14 complete years, 1920 to 2006

One stripe for each of 14 complete years at Salcha, 1920 to 2006. Blue stripes are years cooler than the station's own mean of -2.5 C (27.5 F); red stripes are warmer. The coolest year was 1996, at -5.1 C (22.8 F), and the warmest was 1978, at 0.0 C (32.0 F). The strongest colour marks a difference of 2.7 C (4.9 F).

Annual mean temperature at Salcha as warming stripes, 1920 to 2006
Year	Annual mean temperature	Difference from the station mean
1920	-3.6 C	-1.17 C
1976	-1.9 C	+0.60 C
1977	-1.5 C	+1.01 C
1978	0.0 C	+2.46 C
1979	-1.8 C	+0.70 C
1980	-2.1 C	+0.39 C
1983	-2.1 C	+0.32 C
1984	-3.3 C	-0.79 C
1985	-2.3 C	+0.16 C
1986	-2.0 C	+0.43 C
1996	-5.1 C	-2.65 C
1998	-2.3 C	+0.15 C
2004	-2.7 C	-0.23 C
2006	-3.9 C	-1.42 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

1919 to 2010

Yearly extremes at Salcha: 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)	1983	28.9 C (84.0 F)	30
Coldest night (TNn)	-53.9 C (-65.0 F)	2000	-45.8 C (-50.5 F)	30
Wettest day (Rx1day)	55.9 mm (2.2 in)	2008	21.6 mm (0.9 in)	27
Wettest five days (Rx5day)	151.2 mm (6.0 in)	2008	42.7 mm (1.7 in)	27
Longest dry spell (CDD)	72 days	1985	37 days	27

Hottest day (TXx)

The hottest day of the year at Salcha, 1919 to 2010. The record is 33.3 C (91.9 F) in 1983, marked on the chart; the median year is 28.9 C (84.0 F).

Hottest day (TXx) at Salcha by year
Year	Hottest day (TXx)
1919	32.2 C (90.0 F)
1920	32.2 C (90.0 F)
1921	31.1 C (88.0 F)
1975	21.1 C (70.0 F)
1976	30.0 C (86.0 F)
1977	32.2 C (90.0 F)
1978	30.6 C (87.1 F)
1979	29.4 C (84.9 F)
1980	28.9 C (84.0 F)
1981	27.2 C (81.0 F)
1982	28.9 C (84.0 F)
1983	33.3 C (91.9 F)
1984	27.2 C (81.0 F)
1985	27.8 C (82.0 F)
1986	31.7 C (89.1 F)
1987	3.9 C (39.0 F)
1995	2.2 C (36.0 F)
1996	26.7 C (80.1 F)
1997	18.3 C (64.9 F)
1998	28.9 C (84.0 F)
1999	30.6 C (87.1 F)
2000	8.3 C (46.9 F)
2001	27.8 C (82.0 F)
2004	30.6 C (87.1 F)
2005	27.2 C (81.0 F)
2006	26.7 C (80.1 F)
2007	27.8 C (82.0 F)
2008	27.8 C (82.0 F)
2009	30.6 C (87.1 F)
2010	31.1 C (88.0 F)

Coldest night (TNn)

The coldest night of the year at Salcha, 1919 to 2010. The record is -53.9 C (-65.0 F) in 2000, marked on the chart; the median year is -45.8 C (-50.5 F).

Coldest night (TNn) at Salcha by year
Year	Coldest night (TNn)
1919	-43.9 C (-47.0 F)
1920	-47.8 C (-54.0 F)
1921	-51.1 C (-60.0 F)
1975	-50.6 C (-59.1 F)
1976	-43.9 C (-47.0 F)
1977	-46.7 C (-52.1 F)
1978	-38.3 C (-36.9 F)
1979	-49.4 C (-56.9 F)
1980	-50.6 C (-59.1 F)
1981	-41.7 C (-43.1 F)
1982	-43.3 C (-45.9 F)
1983	-48.3 C (-54.9 F)
1984	-44.4 C (-47.9 F)
1985	-44.4 C (-47.9 F)
1986	-37.2 C (-35.0 F)
1987	-36.7 C (-34.1 F)
1995	-43.9 C (-47.0 F)
1996	-46.7 C (-52.1 F)
1997	-47.8 C (-54.0 F)
1998	-46.1 C (-51.0 F)
1999	-49.4 C (-56.9 F)
2000	-53.9 C (-65.0 F)
2001	-34.4 C (-29.9 F)
2004	-47.2 C (-53.0 F)
2005	-47.8 C (-54.0 F)
2006	-45.0 C (-49.0 F)
2007	-45.0 C (-49.0 F)
2008	-45.6 C (-50.1 F)
2009	-46.7 C (-52.1 F)
2010	-44.4 C (-47.9 F)

Wettest day (Rx1day)

The wettest day of the year at Salcha, 1919 to 2010. The record is 55.9 mm (2.2 in) in 2008, marked on the chart; the median year is 21.6 mm (0.9 in).

Wettest day (Rx1day) at Salcha by year
Year	Wettest day (Rx1day)
1919	n/a
1920	n/a
1921	n/a
1975	10.7 mm (0.4 in)
1976	21.6 mm (0.9 in)
1977	41.7 mm (1.6 in)
1978	14.0 mm (0.6 in)
1979	27.7 mm (1.1 in)
1980	48.5 mm (1.9 in)
1981	14.7 mm (0.6 in)
1982	32.5 mm (1.3 in)
1983	14.5 mm (0.6 in)
1984	36.3 mm (1.4 in)
1985	20.8 mm (0.8 in)
1986	39.9 mm (1.6 in)
1987	1.8 mm (0.07 in)
1995	3.6 mm (0.14 in)
1996	20.8 mm (0.8 in)
1997	10.2 mm (0.4 in)
1998	51.8 mm (2.0 in)
1999	23.4 mm (0.9 in)
2000	13.0 mm (0.5 in)
2001	21.6 mm (0.9 in)
2004	39.9 mm (1.6 in)
2005	31.2 mm (1.2 in)
2006	15.7 mm (0.6 in)
2007	40.1 mm (1.6 in)
2008	55.9 mm (2.2 in)
2009	24.1 mm (0.9 in)
2010	18.8 mm (0.7 in)

Wettest five days (Rx5day)

The wettest five days of the year at Salcha, 1919 to 2010. The record is 151.2 mm (6.0 in) in 2008, marked on the chart; the median year is 42.7 mm (1.7 in).

Wettest five days (Rx5day) at Salcha by year
Year	Wettest five days (Rx5day)
1919	n/a
1920	n/a
1921	n/a
1975	13.7 mm (0.5 in)
1976	30.3 mm (1.2 in)
1977	54.0 mm (2.1 in)
1978	19.9 mm (0.8 in)
1979	46.9 mm (1.8 in)
1980	67.3 mm (2.6 in)
1981	36.8 mm (1.4 in)
1982	53.6 mm (2.1 in)
1983	31.3 mm (1.2 in)
1984	72.1 mm (2.8 in)
1985	42.7 mm (1.7 in)
1986	60.6 mm (2.4 in)
1987	1.9 mm (0.07 in)
1995	9.2 mm (0.36 in)
1996	26.9 mm (1.1 in)
1997	14.5 mm (0.6 in)
1998	56.6 mm (2.2 in)
1999	57.3 mm (2.3 in)
2000	25.9 mm (1.0 in)
2001	43.2 mm (1.7 in)
2004	56.3 mm (2.2 in)
2005	66.7 mm (2.6 in)
2006	23.9 mm (0.9 in)
2007	58.6 mm (2.3 in)
2008	151.2 mm (6.0 in)
2009	26.2 mm (1.0 in)
2010	27.9 mm (1.1 in)

Longest dry spell (CDD)

The longest dry spell of the year at Salcha, 1919 to 2010. The record is 72 days in 1985, marked on the chart; the median year is 37 days.

Longest dry spell (CDD) at Salcha by year
Year	Longest dry spell (CDD)
1919	n/a
1920	n/a
1921	n/a
1975	32 days
1976	52 days
1977	29 days
1978	42 days
1979	49 days
1980	53 days
1981	48 days
1982	21 days
1983	37 days
1984	45 days
1985	72 days
1986	29 days
1987	15 days
1995	27 days
1996	34 days
1997	46 days
1998	56 days
1999	48 days
2000	52 days
2001	30 days
2004	37 days
2005	29 days
2006	35 days
2007	42 days
2008	31 days
2009	39 days
2010	36 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 Salcha standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Salcha 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).