Hyder Weather Records (USC00503821)

Record envelope, standing records and threshold days for Hyder (USC00503821), Alaska, United States, with 88 years of record.

Key Facts for Hyder

Hyder (USC00503821) is a weather station in Alaska, United States at 55.92 latitude and -130.03 longitude, 24 m (80 ft) above sea level.
The station reports from 1936 to 2023, 88 years of record.
1,464 records set at Hyder 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, 55.92 latitude, -130.03 longitude.
Elevation: 24 m (80 ft).
Period of record: 1936 to 2023, 88 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 Hyder. 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 Hyder, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	8.9 C (48.0 F)	-26.1 C (-15.0 F)	n/a	n/a
Feb	10.6 C (51.1 F)	-19.4 C (-2.9 F)	n/a	n/a
Mar	17.2 C (63.0 F)	-16.1 C (3.0 F)	n/a	n/a
Apr	22.8 C (73.0 F)	-8.9 C (16.0 F)	n/a	n/a
May	30.0 C (86.0 F)	-2.2 C (28.0 F)	n/a	n/a
Jun	34.4 C (93.9 F)	0.6 C (33.1 F)	n/a	n/a
Jul	34.4 C (93.9 F)	0.6 C (33.1 F)	n/a	n/a
Aug	33.9 C (93.0 F)	0.6 C (33.1 F)	n/a	n/a
Sep	28.9 C (84.0 F)	0.6 C (33.1 F)	n/a	n/a
Oct	18.9 C (66.0 F)	-6.7 C (19.9 F)	n/a	n/a
Nov	12.2 C (54.0 F)	-18.3 C (-0.9 F)	n/a	n/a
Dec	7.8 C (46.0 F)	-22.8 C (-9.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Hyder still stand. 2019 holds the most, with 104.

Standing records at Hyder by the year they were set
Year set	Standing records
1936	19
1937	103
1938	101
1939	84
1940	67
1942	29
1947	23
2003	7
2004	75
2005	54
2006	88
2007	50
2008	48
2009	26
2010	53
2011	41
2012	45
2013	36
2014	45
2015	52
2016	58
2017	42
2018	67
2019	104
2020	32
2021	53
2022	48
2023	14

Wettest Day of Each Month

Feb: 115.3 mm (4.5 in)

The wettest day on record for each calendar month at Hyder. The most was 115.3 mm (4.5 in) on 21 February 2020.

Record daily precipitation for each month at Hyder
Month	Record daily precipitation (mm)	Date
Jan	79.2 mm (3.1 in)	10 January 2022
Feb	115.3 mm (4.5 in)	21 February 2020
Mar	58.4 mm (2.3 in)	10 March 1939
Apr	53.3 mm (2.1 in)	8 April 2014
May	74.2 mm (2.9 in)	15 May 2008
Jun	35.3 mm (1.4 in)	1 June 2021
Jul	35.6 mm (1.4 in)	16 July 2020
Aug	69.9 mm (2.8 in)	10 August 2018
Sep	79.0 mm (3.1 in)	7 September 2011
Oct	84.3 mm (3.3 in)	30 October 2022
Nov	93.5 mm (3.7 in)	10 November 1942
Dec	72.4 mm (2.9 in)	3 December 2004

Period of Record Coverage

1936 to 2023

28 years of record at Hyder, 1936 to 2023. 15 years have data for under 90 percent of days and are left out of rankings: 1936, 1938, 1940, 1942, 1947, 2003, 2008, 2009 and others.

Days with data per year at Hyder
Year	Days with data	Share of year	Complete
1936	91	25%	No
1937	363	99%	Yes
1938	327	90%	No
1939	364	100%	Yes
1940	243	66%	No
1942	220	60%	No
1947	109	30%	No
2003	61	17%	No
2004	361	99%	Yes
2005	331	91%	Yes
2006	363	99%	Yes
2007	362	99%	Yes
2008	234	64%	No
2009	177	48%	No
2010	343	94%	Yes
2011	324	89%	No
2012	353	96%	Yes
2013	213	58%	No
2014	286	78%	No
2015	303	83%	No
2016	255	70%	No
2017	333	91%	Yes
2018	355	97%	Yes
2019	361	99%	Yes
2020	362	99%	Yes
2021	362	99%	Yes
2022	160	44%	No
2023	52	14%	No

Latest Records

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

Climate Trend

10 complete years, 1937 to 2021

One stripe for each of 10 complete years at Hyder, 1937 to 2021. Blue stripes are years cooler than the station's own mean of 5.7 C (42.2 F); red stripes are warmer. The coolest year was 1937, at 4.6 C (40.3 F), and the warmest was 2019, at 7.0 C (44.7 F). The strongest colour marks a difference of 1.4 C (2.5 F).

Annual mean temperature at Hyder as warming stripes, 1937 to 2021
Year	Annual mean temperature	Difference from the station mean
1937	4.6 C	-1.07 C
1939	5.6 C	-0.09 C
2004	6.2 C	+0.49 C
2006	5.2 C	-0.51 C
2007	4.7 C	-1.00 C
2012	5.8 C	+0.09 C
2018	6.7 C	+0.99 C
2019	7.0 C	+1.35 C
2020	5.8 C	+0.14 C
2021	5.3 C	-0.36 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

1936 to 2023

Yearly extremes at Hyder: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	34.4 C (93.9 F)	2009	30.6 C (87.1 F)	28
Coldest night (TNn)	-26.1 C (-15.0 F)	2005	-16.4 C (2.5 F)	28
Wettest day (Rx1day)	115.3 mm (4.5 in)	2020	65.3 mm (2.6 in)	28
Wettest five days (Rx5day)	265.6 mm (10.5 in)	2022	138.0 mm (5.4 in)	28
Longest dry spell (CDD)	21 days	1938	14 days	28

Hottest day (TXx)

The hottest day of the year at Hyder, 1936 to 2023. The record is 34.4 C (93.9 F) in 2009, marked on the chart; the median year is 30.6 C (87.1 F).

Hottest day (TXx) at Hyder by year
Year	Hottest day (TXx)
1936	17.2 C (63.0 F)
1937	31.7 C (89.1 F)
1938	29.4 C (84.9 F)
1939	28.3 C (82.9 F)
1940	26.7 C (80.1 F)
1942	32.2 C (90.0 F)
1947	29.4 C (84.9 F)
2003	5.6 C (42.1 F)
2004	32.8 C (91.0 F)
2005	30.6 C (87.1 F)
2006	31.7 C (89.1 F)
2007	30.6 C (87.1 F)
2008	26.1 C (79.0 F)
2009	34.4 C (93.9 F)
2010	30.0 C (86.0 F)
2011	30.6 C (87.1 F)
2012	32.2 C (90.0 F)
2013	30.6 C (87.1 F)
2014	30.0 C (86.0 F)
2015	34.4 C (93.9 F)
2016	28.9 C (84.0 F)
2017	28.9 C (84.0 F)
2018	34.4 C (93.9 F)
2019	32.2 C (90.0 F)
2020	33.9 C (93.0 F)
2021	32.8 C (91.0 F)
2022	28.9 C (84.0 F)
2023	3.9 C (39.0 F)

Coldest night (TNn)

The coldest night of the year at Hyder, 1936 to 2023. The record is -26.1 C (-15.0 F) in 2005, marked on the chart; the median year is -16.4 C (2.5 F).

Coldest night (TNn) at Hyder by year
Year	Coldest night (TNn)
1936	-14.4 C (6.1 F)
1937	-21.1 C (-6.0 F)
1938	-18.9 C (-2.0 F)
1939	-18.3 C (-0.9 F)
1940	-15.0 C (5.0 F)
1942	-13.9 C (7.0 F)
1947	-5.6 C (21.9 F)
2003	-13.3 C (8.1 F)
2004	-20.6 C (-5.1 F)
2005	-26.1 C (-15.0 F)
2006	-18.3 C (-0.9 F)
2007	-16.7 C (1.9 F)
2008	-21.1 C (-6.0 F)
2009	-16.1 C (3.0 F)
2010	-13.3 C (8.1 F)
2011	-16.7 C (1.9 F)
2012	-13.9 C (7.0 F)
2013	-13.9 C (7.0 F)
2014	-16.1 C (3.0 F)
2015	-15.6 C (3.9 F)
2016	-16.7 C (1.9 F)
2017	-18.3 C (-0.9 F)
2018	-16.1 C (3.0 F)
2019	-16.1 C (3.0 F)
2020	-23.3 C (-9.9 F)
2021	-21.1 C (-6.0 F)
2022	-22.8 C (-9.0 F)
2023	-13.9 C (7.0 F)

Wettest day (Rx1day)

The wettest day of the year at Hyder, 1936 to 2023. The record is 115.3 mm (4.5 in) in 2020, marked on the chart; the median year is 65.3 mm (2.6 in).

Wettest day (Rx1day) at Hyder by year
Year	Wettest day (Rx1day)
1936	71.4 mm (2.8 in)
1937	64.5 mm (2.5 in)
1938	63.5 mm (2.5 in)
1939	78.0 mm (3.1 in)
1940	38.9 mm (1.5 in)
1942	93.5 mm (3.7 in)
1947	42.4 mm (1.7 in)
2003	82.3 mm (3.2 in)
2004	72.4 mm (2.9 in)
2005	62.2 mm (2.4 in)
2006	61.0 mm (2.4 in)
2007	71.1 mm (2.8 in)
2008	74.2 mm (2.9 in)
2009	40.6 mm (1.6 in)
2010	69.1 mm (2.7 in)
2011	79.0 mm (3.1 in)
2012	38.1 mm (1.5 in)
2013	47.0 mm (1.9 in)
2014	53.3 mm (2.1 in)
2015	67.3 mm (2.6 in)
2016	35.6 mm (1.4 in)
2017	62.2 mm (2.4 in)
2018	69.9 mm (2.8 in)
2019	51.6 mm (2.0 in)
2020	115.3 mm (4.5 in)
2021	65.5 mm (2.6 in)
2022	84.3 mm (3.3 in)
2023	65.0 mm (2.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Hyder, 1936 to 2023. The record is 265.6 mm (10.5 in) in 2022, marked on the chart; the median year is 138.0 mm (5.4 in).

Wettest five days (Rx5day) at Hyder by year
Year	Wettest five days (Rx5day)
1936	202.9 mm (8.0 in)
1937	132.0 mm (5.2 in)
1938	139.0 mm (5.5 in)
1939	136.9 mm (5.4 in)
1940	87.9 mm (3.5 in)
1942	199.1 mm (7.8 in)
1947	58.6 mm (2.3 in)
2003	205.9 mm (8.1 in)
2004	200.2 mm (7.9 in)
2005	188.5 mm (7.4 in)
2006	128.7 mm (5.1 in)
2007	154.2 mm (6.1 in)
2008	90.7 mm (3.6 in)
2009	124.3 mm (4.9 in)
2010	154.7 mm (6.1 in)
2011	202.4 mm (8.0 in)
2012	106.4 mm (4.2 in)
2013	125.0 mm (4.9 in)
2014	124.2 mm (4.9 in)
2015	177.6 mm (7.0 in)
2016	82.8 mm (3.3 in)
2017	114.0 mm (4.5 in)
2018	100.6 mm (4.0 in)
2019	128.9 mm (5.1 in)
2020	178.3 mm (7.0 in)
2021	160.7 mm (6.3 in)
2022	265.6 mm (10.5 in)
2023	148.6 mm (5.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Hyder, 1936 to 2023. The record is 21 days in 1938, marked on the chart; the median year is 14 days.

Longest dry spell (CDD) at Hyder by year
Year	Longest dry spell (CDD)
1936	4 days
1937	13 days
1938	21 days
1939	9 days
1940	14 days
1942	19 days
1947	19 days
2003	11 days
2004	20 days
2005	15 days
2006	12 days
2007	10 days
2008	11 days
2009	14 days
2010	12 days
2011	12 days
2012	15 days
2013	9 days
2014	14 days
2015	21 days
2016	14 days
2017	11 days
2018	17 days
2019	16 days
2020	14 days
2021	13 days
2022	12 days
2023	3 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 Hyder standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Hyder 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).