Snettisham Pwr Plt Weather Records (USC00508584)

Record envelope, standing records and threshold days for Snettisham Pwr Plt (USC00508584), Alaska, United States, with 63 years of record.

Key Facts for Snettisham Pwr Plt

Snettisham Pwr Plt (USC00508584) is a weather station in Alaska, United States at 58.14 latitude and -133.74 longitude, 9 m (29 ft) above sea level.
The station reports from 1964 to 2026, 63 years of record.
1,464 records set at Snettisham Pwr Plt 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, 58.14 latitude, -133.74 longitude.
Elevation: 9 m (29 ft).
Period of record: 1964 to 2026, 63 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

40 days at or beyond a record

The band shows the record high and record low for each calendar day at Snettisham Pwr Plt. The lines show the 2026 daily maximum and minimum. 40 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Snettisham Pwr Plt, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	8.3 C (46.9 F)	-23.9 C (-11.0 F)	8.3 C (46.9 F)	-10.6 C (12.9 F)
Feb	9.4 C (48.9 F)	-21.1 C (-6.0 F)	5.6 C (42.1 F)	-15.0 C (5.0 F)
Mar	13.9 C (57.0 F)	-21.7 C (-7.1 F)	13.3 C (55.9 F)	-9.4 C (15.1 F)
Apr	20.6 C (69.1 F)	-8.9 C (16.0 F)	13.3 C (55.9 F)	-1.7 C (28.9 F)
May	27.2 C (81.0 F)	-2.8 C (27.0 F)	18.3 C (64.9 F)	1.7 C (35.1 F)
Jun	31.1 C (88.0 F)	0.6 C (33.1 F)	23.9 C (75.0 F)	3.3 C (37.9 F)
Jul	32.2 C (90.0 F)	4.4 C (39.9 F)	25.6 C (78.1 F)	7.8 C (46.0 F)
Aug	30.6 C (87.1 F)	4.4 C (39.9 F)	23.3 C (73.9 F)	7.2 C (45.0 F)
Sep	25.0 C (77.0 F)	0.6 C (33.1 F)	21.1 C (70.0 F)	4.4 C (39.9 F)
Oct	18.3 C (64.9 F)	-7.2 C (19.0 F)	15.6 C (60.1 F)	-3.9 C (25.0 F)
Nov	12.8 C (55.0 F)	-17.8 C (0.0 F)	9.4 C (48.9 F)	-5.6 C (21.9 F)
Dec	10.6 C (51.1 F)	-18.3 C (-0.9 F)	5.0 C (41.0 F)	-17.8 C (0.0 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Snettisham Pwr Plt still stand. 2016 holds the most, with 123.

Standing records at Snettisham Pwr Plt by the year they were set
Year set	Standing records
1964	5
1965	61
2005	66
2006	106
2007	70
2008	115
2009	73
2010	52
2011	48
2012	70
2013	74
2014	36
2015	76
2016	123
2017	51
2018	56
2019	78
2020	56
2021	26
2022	73
2023	31
2024	51
2025	67

Wettest Day of Each Month

Oct: 219.2 mm (8.6 in)

The wettest day on record for each calendar month at Snettisham Pwr Plt. The most was 219.2 mm (8.6 in) on 6 October 2019.

Record daily precipitation for each month at Snettisham Pwr Plt
Month	Record daily precipitation (mm)	Date
Jan	102.9 mm (4.1 in)	30 January 2009
Feb	128.3 mm (5.1 in)	12 February 2017
Mar	95.5 mm (3.8 in)	13 March 2009
Apr	90.2 mm (3.6 in)	26 April 2013
May	101.6 mm (4.0 in)	7 May 2007
Jun	77.7 mm (3.1 in)	17 June 2017
Jul	138.4 mm (5.4 in)	24 July 2016
Aug	143.5 mm (5.6 in)	10 August 2020
Sep	196.3 mm (7.7 in)	11 September 2015
Oct	219.2 mm (8.6 in)	6 October 2019
Nov	191.0 mm (7.5 in)	19 November 2005
Dec	101.9 mm (4.0 in)	3 December 2016

Period of Record Coverage

1964 to 2025

23 years of record at Snettisham Pwr Plt, 1964 to 2025. 9 years have data for under 90 percent of days and are left out of rankings: 1964, 1965, 2005, 2014, 2015, 2017, 2018, 2021 and others.

Days with data per year at Snettisham Pwr Plt
Year	Days with data	Share of year	Complete
1964	44	12%	No
1965	128	35%	No
2005	253	69%	No
2006	365	100%	Yes
2007	364	100%	Yes
2008	362	99%	Yes
2009	365	100%	Yes
2010	365	100%	Yes
2011	363	99%	Yes
2012	366	100%	Yes
2013	364	100%	Yes
2014	266	73%	No
2015	273	75%	No
2016	335	92%	Yes
2017	302	83%	No
2018	276	76%	No
2019	365	100%	Yes
2020	366	100%	Yes
2021	273	75%	No
2022	303	83%	No
2023	365	100%	Yes
2024	365	100%	Yes
2025	365	100%	Yes

Latest Records

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

Climate Trend

15 complete years, 2006 to 2025

One stripe for each of 15 complete years at Snettisham Pwr Plt, 2006 to 2025. Blue stripes are years cooler than the station's own mean of 4.7 C (40.4 F); red stripes are warmer. The coolest year was 2008, at 3.3 C (38.0 F), and the warmest was 2019, at 6.1 C (42.9 F). The strongest colour marks a difference of 1.5 C (2.7 F).

Annual mean temperature at Snettisham Pwr Plt as warming stripes, 2006 to 2025
Year	Annual mean temperature	Difference from the station mean
2006	3.8 C	-0.82 C
2007	3.9 C	-0.72 C
2008	3.3 C	-1.35 C
2009	4.1 C	-0.55 C
2011	4.3 C	-0.39 C
2012	3.7 C	-0.92 C
2013	4.9 C	+0.21 C
2018	5.4 C	+0.78 C
2019	6.1 C	+1.40 C
2020	4.7 C	+0.00 C
2021	4.4 C	-0.27 C
2022	5.3 C	+0.59 C
2023	5.9 C	+1.24 C
2024	5.2 C	+0.54 C
2025	4.9 C	+0.24 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

1964 to 2026

Yearly extremes at Snettisham Pwr Plt: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	32.2 C (90.0 F)	2023	28.9 C (84.0 F)	24
Coldest night (TNn)	-23.9 C (-11.0 F)	2009	-17.2 C (1.0 F)	24
Wettest day (Rx1day)	219.2 mm (8.6 in)	2019	128.9 mm (5.1 in)	24
Wettest five days (Rx5day)	539.8 mm (21.3 in)	2005	309.8 mm (12.2 in)	24
Longest dry spell (CDD)	22 days	2019	12 days	24

Hottest day (TXx)

The hottest day of the year at Snettisham Pwr Plt, 1964 to 2026. The record is 32.2 C (90.0 F) in 2023, marked on the chart; the median year is 28.9 C (84.0 F).

Hottest day (TXx) at Snettisham Pwr Plt by year
Year	Hottest day (TXx)
1964	15.6 C (60.1 F)
1965	31.7 C (89.1 F)
2005	28.9 C (84.0 F)
2006	28.3 C (82.9 F)
2007	28.9 C (84.0 F)
2008	26.1 C (79.0 F)
2009	30.0 C (86.0 F)
2010	26.1 C (79.0 F)
2011	25.6 C (78.1 F)
2012	28.9 C (84.0 F)
2013	30.0 C (86.0 F)
2014	25.0 C (77.0 F)
2015	28.9 C (84.0 F)
2016	27.8 C (82.0 F)
2017	24.4 C (75.9 F)
2018	28.9 C (84.0 F)
2019	31.1 C (88.0 F)
2020	30.6 C (87.1 F)
2021	28.9 C (84.0 F)
2022	30.6 C (87.1 F)
2023	32.2 C (90.0 F)
2024	29.4 C (84.9 F)
2025	25.6 C (78.1 F)
2026	30.6 C (87.1 F)

Coldest night (TNn)

The coldest night of the year at Snettisham Pwr Plt, 1964 to 2026. The record is -23.9 C (-11.0 F) in 2009, marked on the chart; the median year is -17.2 C (1.0 F).

Coldest night (TNn) at Snettisham Pwr Plt by year
Year	Coldest night (TNn)
1964	-2.2 C (28.0 F)
1965	-0.6 C (30.9 F)
2005	-18.9 C (-2.0 F)
2006	-21.7 C (-7.1 F)
2007	-19.4 C (-2.9 F)
2008	-21.7 C (-7.1 F)
2009	-23.9 C (-11.0 F)
2010	-16.7 C (1.9 F)
2011	-16.1 C (3.0 F)
2012	-17.8 C (0.0 F)
2013	-17.2 C (1.0 F)
2014	-13.3 C (8.1 F)
2015	-15.6 C (3.9 F)
2016	-14.4 C (6.1 F)
2017	-17.2 C (1.0 F)
2018	-16.7 C (1.9 F)
2019	-14.4 C (6.1 F)
2020	-17.2 C (1.0 F)
2021	-18.9 C (-2.0 F)
2022	-19.4 C (-2.9 F)
2023	-12.8 C (9.0 F)
2024	-19.4 C (-2.9 F)
2025	-17.8 C (0.0 F)
2026	-15.0 C (5.0 F)

Wettest day (Rx1day)

The wettest day of the year at Snettisham Pwr Plt, 1964 to 2026. The record is 219.2 mm (8.6 in) in 2019, marked on the chart; the median year is 128.9 mm (5.1 in).

Wettest day (Rx1day) at Snettisham Pwr Plt by year
Year	Wettest day (Rx1day)
1964	87.6 mm (3.4 in)
1965	91.4 mm (3.6 in)
2005	191.0 mm (7.5 in)
2006	165.4 mm (6.5 in)
2007	101.6 mm (4.0 in)
2008	153.7 mm (6.1 in)
2009	102.9 mm (4.1 in)
2010	101.6 mm (4.0 in)
2011	130.8 mm (5.1 in)
2012	97.0 mm (3.8 in)
2013	111.8 mm (4.4 in)
2014	129.5 mm (5.1 in)
2015	196.3 mm (7.7 in)
2016	138.4 mm (5.4 in)
2017	128.3 mm (5.1 in)
2018	102.9 mm (4.1 in)
2019	219.2 mm (8.6 in)
2020	146.6 mm (5.8 in)
2021	99.3 mm (3.9 in)
2022	157.0 mm (6.2 in)
2023	189.0 mm (7.4 in)
2024	168.1 mm (6.6 in)
2025	127.8 mm (5.0 in)
2026	122.7 mm (4.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Snettisham Pwr Plt, 1964 to 2026. The record is 539.8 mm (21.3 in) in 2005, marked on the chart; the median year is 309.8 mm (12.2 in).

Wettest five days (Rx5day) at Snettisham Pwr Plt by year
Year	Wettest five days (Rx5day)
1964	176.9 mm (7.0 in)
1965	156.9 mm (6.2 in)
2005	539.8 mm (21.3 in)
2006	327.4 mm (12.9 in)
2007	244.1 mm (9.6 in)
2008	386.9 mm (15.2 in)
2009	281.2 mm (11.1 in)
2010	325.9 mm (12.8 in)
2011	335.2 mm (13.2 in)
2012	280.9 mm (11.1 in)
2013	272.8 mm (10.7 in)
2014	332.7 mm (13.1 in)
2015	292.0 mm (11.5 in)
2016	280.9 mm (11.1 in)
2017	297.2 mm (11.7 in)
2018	223.9 mm (8.8 in)
2019	322.3 mm (12.7 in)
2020	345.2 mm (13.6 in)
2021	328.1 mm (12.9 in)
2022	414.1 mm (16.3 in)
2023	415.8 mm (16.4 in)
2024	297.1 mm (11.7 in)
2025	294.1 mm (11.6 in)
2026	379.5 mm (14.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Snettisham Pwr Plt, 1964 to 2026. The record is 22 days in 2019, marked on the chart; the median year is 12 days.

Longest dry spell (CDD) at Snettisham Pwr Plt by year
Year	Longest dry spell (CDD)
1964	3 days
1965	17 days
2005	11 days
2006	10 days
2007	9 days
2008	11 days
2009	16 days
2010	13 days
2011	12 days
2012	14 days
2013	9 days
2014	14 days
2015	10 days
2016	8 days
2017	10 days
2018	14 days
2019	22 days
2020	11 days
2021	13 days
2022	14 days
2023	14 days
2024	10 days
2025	19 days
2026	8 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 Snettisham Pwr Plt standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Snettisham Pwr Plt 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).