Spokane WFO Weather Records (USC00457941)

Record envelope, standing records and threshold days for Spokane WFO (USC00457941), Washington, United States, with 31 years of record.

Key Facts for Spokane WFO

Spokane WFO (USC00457941) is a weather station in Washington, United States at 47.68 latitude and -117.63 longitude, 729 m (2,391 ft) above sea level.
The station reports from 1996 to 2026, 31 years of record.
1,464 records set at Spokane WFO still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Washington, United States, 47.68 latitude, -117.63 longitude.
Elevation: 729 m (2,391 ft).
Period of record: 1996 to 2026, 31 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

34 days at or beyond a record

The band shows the record high and record low for each calendar day at Spokane WFO. The lines show the 2026 daily maximum and minimum. 34 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Spokane WFO, 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)	-28.3 C (-18.9 F)	5.0 C (41.0 F)	-15.6 C (3.9 F)
Feb	16.1 C (61.0 F)	-25.6 C (-14.1 F)	13.9 C (57.0 F)	-23.3 C (-9.9 F)
Mar	23.9 C (75.0 F)	-20.6 C (-5.1 F)	23.9 C (75.0 F)	-4.4 C (24.1 F)
Apr	27.8 C (82.0 F)	-8.3 C (17.1 F)	22.2 C (72.0 F)	-3.3 C (26.1 F)
May	33.3 C (91.9 F)	-5.0 C (23.0 F)	30.0 C (86.0 F)	-0.6 C (30.9 F)
Jun	42.2 C (108.0 F)	0.0 C (32.0 F)	32.8 C (91.0 F)	2.8 C (37.0 F)
Jul	39.4 C (102.9 F)	1.7 C (35.1 F)	37.2 C (99.0 F)	6.7 C (44.1 F)
Aug	39.4 C (102.9 F)	-0.6 C (30.9 F)	36.1 C (97.0 F)	7.8 C (46.0 F)
Sep	37.8 C (100.0 F)	-7.2 C (19.0 F)	37.8 C (100.0 F)	2.2 C (36.0 F)
Oct	29.4 C (84.9 F)	-16.1 C (3.0 F)	27.2 C (81.0 F)	-4.4 C (24.1 F)
Nov	18.9 C (66.0 F)	-28.3 C (-18.9 F)	13.9 C (57.0 F)	-8.3 C (17.1 F)
Dec	13.9 C (57.0 F)	-27.2 C (-17.0 F)	13.9 C (57.0 F)	-12.2 C (10.0 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Spokane WFO still stand. 1999 holds the most, with 65.

Standing records at Spokane WFO by the year they were set
Year set	Standing records
1996	30
1997	35
1998	63
1999	65
2000	47
2001	45
2002	60
2003	57
2004	40
2005	58
2006	53
2007	36
2008	55
2009	43
2010	47
2011	58
2012	47
2013	50
2014	51
2015	58
2016	56
2017	37
2018	40
2019	49
2020	44
2021	62
2022	50
2023	37
2024	45
2025	46

Wettest Day of Each Month

May: 37.3 mm (1.5 in)

The wettest day on record for each calendar month at Spokane WFO. The most was 37.3 mm (1.5 in) on 21 May 2004.

Record daily precipitation for each month at Spokane WFO
Month	Record daily precipitation (mm)	Date
Jan	30.0 mm (1.2 in)	10 January 2006
Feb	22.9 mm (0.9 in)	15 February 2017
Mar	34.3 mm (1.4 in)	15 March 2015
Apr	31.5 mm (1.2 in)	13 April 2000
May	37.3 mm (1.5 in)	21 May 2004
Jun	33.5 mm (1.3 in)	20 June 2013
Jul	24.9 mm (1.0 in)	17 July 2012
Aug	13.7 mm (0.5 in)	6 August 2004
Sep	18.5 mm (0.7 in)	28 September 2019
Oct	26.2 mm (1.0 in)	13 October 2016
Nov	32.0 mm (1.3 in)	27 November 1996
Dec	30.5 mm (1.2 in)	19 December 2017

Period of Record Coverage

1996 to 2025

30 years of record at Spokane WFO, 1996 to 2025. 1 years have data for under 90 percent of days and are left out of rankings: 1996.

Days with data per year at Spokane WFO
Year	Days with data	Share of year	Complete
1996	153	42%	No
1997	364	100%	Yes
1998	365	100%	Yes
1999	364	100%	Yes
2000	365	100%	Yes
2001	363	99%	Yes
2002	364	100%	Yes
2003	364	100%	Yes
2004	366	100%	Yes
2005	365	100%	Yes
2006	364	100%	Yes
2007	365	100%	Yes
2008	366	100%	Yes
2009	364	100%	Yes
2010	364	100%	Yes
2011	365	100%	Yes
2012	366	100%	Yes
2013	365	100%	Yes
2014	365	100%	Yes
2015	365	100%	Yes
2016	363	99%	Yes
2017	359	98%	Yes
2018	363	99%	Yes
2019	365	100%	Yes
2020	364	99%	Yes
2021	365	100%	Yes
2022	365	100%	Yes
2023	365	100%	Yes
2024	362	99%	Yes
2025	363	99%	Yes

Latest Records

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

Climate Trend

29 complete years, 1997 to 2025

One stripe for each of 29 complete years at Spokane WFO, 1997 to 2025. Blue stripes are years cooler than the station's own mean of 8.2 C (46.8 F); red stripes are warmer. The coolest year was 2008, at 6.9 C (44.4 F), and the warmest was 2015, at 9.6 C (49.3 F). The strongest colour marks a difference of 1.4 C (2.5 F).

Annual mean temperature at Spokane WFO as warming stripes, 1997 to 2025
Year	Annual mean temperature	Difference from the station mean
1997	7.8 C	-0.44 C
1998	9.0 C	+0.75 C
1999	8.5 C	+0.29 C
2000	7.7 C	-0.57 C
2001	8.2 C	-0.08 C
2002	8.2 C	+0.01 C
2003	9.0 C	+0.81 C
2004	8.7 C	+0.45 C
2005	7.9 C	-0.36 C
2006	8.5 C	+0.24 C
2007	7.9 C	-0.33 C
2008	6.9 C	-1.36 C
2009	7.4 C	-0.85 C
2010	7.9 C	-0.35 C
2011	7.0 C	-1.28 C
2012	8.3 C	+0.03 C
2013	7.7 C	-0.58 C
2014	8.5 C	+0.27 C
2015	9.6 C	+1.37 C
2016	8.8 C	+0.58 C
2017	7.6 C	-0.60 C
2018	8.4 C	+0.17 C
2019	7.2 C	-1.04 C
2020	8.6 C	+0.34 C
2021	9.3 C	+1.07 C
2022	7.6 C	-0.60 C
2023	8.5 C	+0.31 C
2024	8.9 C	+0.64 C
2025	9.4 C	+1.16 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

1996 to 2026

Yearly extremes at Spokane WFO: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	42.2 C (108.0 F)	2021	37.8 C (100.0 F)	31
Coldest night (TNn)	-28.3 C (-18.9 F)	2004	-21.1 C (-6.0 F)	31
Wettest day (Rx1day)	37.3 mm (1.5 in)	2004	23.1 mm (0.9 in)	31
Wettest five days (Rx5day)	65.3 mm (2.6 in)	2006	40.3 mm (1.6 in)	31
Longest dry spell (CDD)	81 days	2017	38 days	31

Hottest day (TXx)

The hottest day of the year at Spokane WFO, 1996 to 2026. The record is 42.2 C (108.0 F) in 2021, marked on the chart; the median year is 37.8 C (100.0 F).

Hottest day (TXx) at Spokane WFO by year
Year	Hottest day (TXx)
1996	37.8 C (100.0 F)
1997	36.7 C (98.1 F)
1998	38.3 C (100.9 F)
1999	36.7 C (98.1 F)
2000	37.8 C (100.0 F)
2001	38.3 C (100.9 F)
2002	39.4 C (102.9 F)
2003	38.3 C (100.9 F)
2004	36.7 C (98.1 F)
2005	35.6 C (96.1 F)
2006	38.3 C (100.9 F)
2007	37.2 C (99.0 F)
2008	38.3 C (100.9 F)
2009	37.8 C (100.0 F)
2010	34.4 C (93.9 F)
2011	33.9 C (93.0 F)
2012	35.0 C (95.0 F)
2013	35.6 C (96.1 F)
2014	36.7 C (98.1 F)
2015	39.4 C (102.9 F)
2016	36.1 C (97.0 F)
2017	36.1 C (97.0 F)
2018	38.9 C (102.0 F)
2019	36.7 C (98.1 F)
2020	38.3 C (100.9 F)
2021	42.2 C (108.0 F)
2022	37.8 C (100.0 F)
2023	39.4 C (102.9 F)
2024	38.9 C (102.0 F)
2025	37.8 C (100.0 F)
2026	36.1 C (97.0 F)

Coldest night (TNn)

The coldest night of the year at Spokane WFO, 1996 to 2026. The record is -28.3 C (-18.9 F) in 2004, marked on the chart; the median year is -21.1 C (-6.0 F).

Coldest night (TNn) at Spokane WFO by year
Year	Coldest night (TNn)
1996	-21.7 C (-7.1 F)
1997	-16.7 C (1.9 F)
1998	-21.1 C (-6.0 F)
1999	-17.2 C (1.0 F)
2000	-18.3 C (-0.9 F)
2001	-16.1 C (3.0 F)
2002	-16.1 C (3.0 F)
2003	-20.6 C (-5.1 F)
2004	-28.3 C (-18.9 F)
2005	-21.1 C (-6.0 F)
2006	-21.1 C (-6.0 F)
2007	-23.9 C (-11.0 F)
2008	-27.2 C (-17.0 F)
2009	-22.8 C (-9.0 F)
2010	-28.3 C (-18.9 F)
2011	-25.6 C (-14.1 F)
2012	-14.4 C (6.1 F)
2013	-19.4 C (-2.9 F)
2014	-22.2 C (-8.0 F)
2015	-16.7 C (1.9 F)
2016	-24.4 C (-11.9 F)
2017	-22.2 C (-8.0 F)
2018	-21.7 C (-7.1 F)
2019	-20.6 C (-5.1 F)
2020	-15.0 C (5.0 F)
2021	-20.0 C (-4.0 F)
2022	-23.9 C (-11.0 F)
2023	-20.0 C (-4.0 F)
2024	-25.0 C (-13.0 F)
2025	-23.3 C (-9.9 F)
2026	-13.9 C (7.0 F)

Wettest day (Rx1day)

The wettest day of the year at Spokane WFO, 1996 to 2026. The record is 37.3 mm (1.5 in) in 2004, marked on the chart; the median year is 23.1 mm (0.9 in).

Wettest day (Rx1day) at Spokane WFO by year
Year	Wettest day (Rx1day)
1996	32.0 mm (1.3 in)
1997	19.3 mm (0.8 in)
1998	22.4 mm (0.9 in)
1999	21.8 mm (0.9 in)
2000	31.5 mm (1.2 in)
2001	16.5 mm (0.6 in)
2002	19.1 mm (0.8 in)
2003	33.5 mm (1.3 in)
2004	37.3 mm (1.5 in)
2005	20.3 mm (0.8 in)
2006	30.0 mm (1.2 in)
2007	26.2 mm (1.0 in)
2008	16.8 mm (0.7 in)
2009	18.5 mm (0.7 in)
2010	24.1 mm (0.9 in)
2011	18.3 mm (0.7 in)
2012	24.9 mm (1.0 in)
2013	33.5 mm (1.3 in)
2014	24.6 mm (1.0 in)
2015	34.3 mm (1.4 in)
2016	26.2 mm (1.0 in)
2017	30.5 mm (1.2 in)
2018	18.5 mm (0.7 in)
2019	21.3 mm (0.8 in)
2020	33.5 mm (1.3 in)
2021	23.1 mm (0.9 in)
2022	22.9 mm (0.9 in)
2023	21.8 mm (0.9 in)
2024	23.6 mm (0.9 in)
2025	17.3 mm (0.7 in)
2026	19.6 mm (0.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Spokane WFO, 1996 to 2026. The record is 65.3 mm (2.6 in) in 2006, marked on the chart; the median year is 40.3 mm (1.6 in).

Wettest five days (Rx5day) at Spokane WFO by year
Year	Wettest five days (Rx5day)
1996	41.2 mm (1.6 in)
1997	37.0 mm (1.5 in)
1998	48.3 mm (1.9 in)
1999	36.3 mm (1.4 in)
2000	49.8 mm (2.0 in)
2001	30.8 mm (1.2 in)
2002	40.3 mm (1.6 in)
2003	38.0 mm (1.5 in)
2004	53.0 mm (2.1 in)
2005	40.3 mm (1.6 in)
2006	65.3 mm (2.6 in)
2007	37.6 mm (1.5 in)
2008	32.6 mm (1.3 in)
2009	36.8 mm (1.4 in)
2010	37.4 mm (1.5 in)
2011	34.1 mm (1.3 in)
2012	44.5 mm (1.8 in)
2013	45.3 mm (1.8 in)
2014	35.6 mm (1.4 in)
2015	55.6 mm (2.2 in)
2016	45.5 mm (1.8 in)
2017	45.8 mm (1.8 in)
2018	31.7 mm (1.2 in)
2019	29.2 mm (1.1 in)
2020	47.0 mm (1.9 in)
2021	31.5 mm (1.2 in)
2022	42.0 mm (1.7 in)
2023	44.5 mm (1.8 in)
2024	53.4 mm (2.1 in)
2025	30.6 mm (1.2 in)
2026	22.2 mm (0.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Spokane WFO, 1996 to 2026. The record is 81 days in 2017, marked on the chart; the median year is 38 days.

Longest dry spell (CDD) at Spokane WFO by year
Year	Longest dry spell (CDD)
1996	40 days
1997	44 days
1998	50 days
1999	37 days
2000	57 days
2001	32 days
2002	38 days
2003	42 days
2004	20 days
2005	46 days
2006	48 days
2007	30 days
2008	57 days
2009	25 days
2010	30 days
2011	36 days
2012	53 days
2013	32 days
2014	40 days
2015	39 days
2016	23 days
2017	81 days
2018	38 days
2019	25 days
2020	47 days
2021	35 days
2022	48 days
2023	26 days
2024	34 days
2025	30 days
2026	65 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.

Frost Dates and Growing Season

29 years with a frost

Across 29 years with a frost, the median last spring frost at Spokane WFO falls on 13 May and the median first autumn frost on 22 September, which leaves a median of 137 days between them.

Fitted over all years, the growing season changes by +3.6 days per decade at this station.

Frost dates and growing season at Spokane WFO
Measure	Median, all years	Earliest period	Recent period (1997 to 2025)	Recent against earliest	Fitted trend
Last spring frost	13 May	n/a	13 May	n/a	-2.0 days per decade
First autumn frost	22 September	n/a	22 September	n/a	+1.6 days per decade
Growing days	137 days	n/a	137 days	n/a	+3.6 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

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