Wenatchee Exp STN Weather Records (USC00459079)

Record envelope, standing records and threshold days for Wenatchee Exp STN (USC00459079), Washington, United States, with 64 years of record.

Key Facts for Wenatchee Exp STN

Wenatchee Exp STN (USC00459079) is a weather station in Washington, United States at 47.43 latitude and -120.35 longitude, 244 m (800 ft) above sea level.
The station reports from 1950 to 2013, 64 years of record.
1,464 records set at Wenatchee Exp STN 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, 47.43 latitude, -120.35 longitude.
Elevation: 244 m (800 ft).
Period of record: 1950 to 2013, 64 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 Wenatchee Exp STN. 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 Wenatchee Exp STN, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	17.8 C (64.0 F)	-25.6 C (-14.1 F)	n/a	n/a
Feb	18.9 C (66.0 F)	-24.4 C (-11.9 F)	n/a	n/a
Mar	25.6 C (78.1 F)	-12.8 C (9.0 F)	n/a	n/a
Apr	34.4 C (93.9 F)	-5.0 C (23.0 F)	n/a	n/a
May	38.9 C (102.0 F)	-1.7 C (28.9 F)	n/a	n/a
Jun	38.9 C (102.0 F)	2.2 C (36.0 F)	n/a	n/a
Jul	41.7 C (107.1 F)	3.3 C (37.9 F)	n/a	n/a
Aug	40.6 C (105.1 F)	3.3 C (37.9 F)	n/a	n/a
Sep	37.2 C (99.0 F)	-4.4 C (24.1 F)	n/a	n/a
Oct	30.6 C (87.1 F)	-8.3 C (17.1 F)	n/a	n/a
Nov	22.8 C (73.0 F)	-21.7 C (-7.1 F)	n/a	n/a
Dec	18.3 C (64.9 F)	-28.9 C (-20.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Wenatchee Exp STN still stand. 1985 holds the most, with 89.

Standing records at Wenatchee Exp STN by the year they were set
Year set	Standing records
1971	42
1972	80
1973	41
1974	63
1975	53
1976	47
1977	53
1978	47
1979	65
1980	61
1981	51
1982	51
1983	54
1984	60
1985	89
1986	52
1987	51
1988	52
1989	35
1990	69
1991	39
1992	84
1993	60
1994	44
1995	57
1996	43
1997	21

Wettest Day of Each Month

Aug: 55.1 mm (2.2 in)

The wettest day on record for each calendar month at Wenatchee Exp STN. The most was 55.1 mm (2.2 in) on 18 August 1975.

Record daily precipitation for each month at Wenatchee Exp STN
Month	Record daily precipitation (mm)	Date
Jan	31.2 mm (1.2 in)	15 January 1974
Feb	21.1 mm (0.8 in)	6 February 1979
Mar	22.4 mm (0.9 in)	24 March 1991
Apr	16.5 mm (0.6 in)	5 April 1981
May	23.9 mm (0.9 in)	11 May 1951
Jun	47.2 mm (1.9 in)	10 June 1972
Jul	17.3 mm (0.7 in)	23 July 1992
Aug	55.1 mm (2.2 in)	18 August 1975
Sep	35.6 mm (1.4 in)	22 September 1984
Oct	33.3 mm (1.3 in)	31 October 1994
Nov	28.7 mm (1.1 in)	10 November 1983
Dec	40.4 mm (1.6 in)	9 December 1971

Period of Record Coverage

1971 to 1997

27 years of record at Wenatchee Exp STN, 1971 to 1997. 2 years have data for under 90 percent of days and are left out of rankings: 1971, 1997.

Days with data per year at Wenatchee Exp STN
Year	Days with data	Share of year	Complete
1971	245	67%	No
1972	364	99%	Yes
1973	334	92%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	363	99%	Yes
1981	365	100%	Yes
1982	361	99%	Yes
1983	365	100%	Yes
1984	365	100%	Yes
1985	365	100%	Yes
1986	363	99%	Yes
1987	364	100%	Yes
1988	365	100%	Yes
1989	364	100%	Yes
1990	358	98%	Yes
1991	360	99%	Yes
1992	363	99%	Yes
1993	361	99%	Yes
1994	361	99%	Yes
1995	361	99%	Yes
1996	358	98%	Yes
1997	204	56%	No

Latest Records

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

Climate Trend

24 complete years, 1972 to 1996

One stripe for each of 24 complete years at Wenatchee Exp STN, 1972 to 1996. Blue stripes are years cooler than the station's own mean of 10.0 C (50.1 F); red stripes are warmer. The coolest year was 1985, at 8.4 C (47.0 F), and the warmest was 1992, at 11.3 C (52.3 F). The strongest colour marks a difference of 1.7 C (3.1 F).

Annual mean temperature at Wenatchee Exp STN as warming stripes, 1972 to 1996
Year	Annual mean temperature	Difference from the station mean
1972	10.1 C	+0.05 C
1974	10.8 C	+0.77 C
1975	10.0 C	-0.09 C
1976	10.0 C	-0.01 C
1977	10.6 C	+0.55 C
1978	9.5 C	-0.51 C
1979	9.7 C	-0.34 C
1980	9.3 C	-0.72 C
1981	10.1 C	+0.07 C
1982	9.0 C	-1.00 C
1983	9.7 C	-0.31 C
1984	8.9 C	-1.12 C
1985	8.4 C	-1.69 C
1986	10.3 C	+0.29 C
1987	10.9 C	+0.82 C
1988	10.4 C	+0.32 C
1989	10.1 C	+0.07 C
1990	10.8 C	+0.73 C
1991	10.5 C	+0.47 C
1992	11.3 C	+1.26 C
1993	9.5 C	-0.55 C
1994	11.2 C	+1.16 C
1995	10.7 C	+0.63 C
1996	9.3 C	-0.75 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

1950 to 2013

Yearly extremes at Wenatchee Exp STN: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	41.7 C (107.1 F)	1994	38.9 C (102.0 F)	27
Coldest night (TNn)	-28.9 C (-20.0 F)	1990	-18.9 C (-2.0 F)	27
Wettest day (Rx1day)	55.1 mm (2.2 in)	1975	22.4 mm (0.9 in)	31
Wettest five days (Rx5day)	59.7 mm (2.4 in)	1971	36.4 mm (1.4 in)	31
Longest dry spell (CDD)	116 days	1987	47 days	31

Hottest day (TXx)

The hottest day of the year at Wenatchee Exp STN, 1950 to 2013. The record is 41.7 C (107.1 F) in 1994, marked on the chart; the median year is 38.9 C (102.0 F).

Hottest day (TXx) at Wenatchee Exp STN by year
Year	Hottest day (TXx)
1950	n/a
1951	n/a
1971	40.0 C (104.0 F)
1972	40.6 C (105.1 F)
1973	39.4 C (102.9 F)
1974	38.3 C (100.9 F)
1975	40.0 C (104.0 F)
1976	37.2 C (99.0 F)
1977	40.0 C (104.0 F)
1978	37.8 C (100.0 F)
1979	41.1 C (106.0 F)
1980	38.3 C (100.9 F)
1981	39.4 C (102.9 F)
1982	38.3 C (100.9 F)
1983	37.2 C (99.0 F)
1984	39.4 C (102.9 F)
1985	39.4 C (102.9 F)
1986	39.4 C (102.9 F)
1987	38.3 C (100.9 F)
1988	38.9 C (102.0 F)
1989	38.3 C (100.9 F)
1990	40.6 C (105.1 F)
1991	38.3 C (100.9 F)
1992	40.0 C (104.0 F)
1993	36.7 C (98.1 F)
1994	41.7 C (107.1 F)
1995	38.9 C (102.0 F)
1996	38.9 C (102.0 F)
1997	38.9 C (102.0 F)
2012	n/a
2013	n/a

Coldest night (TNn)

The coldest night of the year at Wenatchee Exp STN, 1950 to 2013. The record is -28.9 C (-20.0 F) in 1990, marked on the chart; the median year is -18.9 C (-2.0 F).

Coldest night (TNn) at Wenatchee Exp STN by year
Year	Coldest night (TNn)
1950	n/a
1951	n/a
1971	-15.6 C (3.9 F)
1972	-21.7 C (-7.1 F)
1973	-17.8 C (0.0 F)
1974	-20.6 C (-5.1 F)
1975	-12.2 C (10.0 F)
1976	-12.8 C (9.0 F)
1977	-14.4 C (6.1 F)
1978	-25.6 C (-14.1 F)
1979	-25.0 C (-13.0 F)
1980	-25.6 C (-14.1 F)
1981	-18.3 C (-0.9 F)
1982	-23.3 C (-9.9 F)
1983	-25.6 C (-14.1 F)
1984	-20.0 C (-4.0 F)
1985	-21.7 C (-7.1 F)
1986	-15.0 C (5.0 F)
1987	-15.0 C (5.0 F)
1988	-16.7 C (1.9 F)
1989	-22.2 C (-8.0 F)
1990	-28.9 C (-20.0 F)
1991	-17.8 C (0.0 F)
1992	-14.4 C (6.1 F)
1993	-24.4 C (-11.9 F)
1994	-15.0 C (5.0 F)
1995	-15.0 C (5.0 F)
1996	-25.6 C (-14.1 F)
1997	-18.9 C (-2.0 F)
2012	n/a
2013	n/a

Wettest day (Rx1day)

The wettest day of the year at Wenatchee Exp STN, 1950 to 2013. The record is 55.1 mm (2.2 in) in 1975, marked on the chart; the median year is 22.4 mm (0.9 in).

Wettest day (Rx1day) at Wenatchee Exp STN by year
Year	Wettest day (Rx1day)
1950	17.8 mm (0.7 in)
1951	25.7 mm (1.0 in)
1971	40.4 mm (1.6 in)
1972	47.2 mm (1.9 in)
1973	18.0 mm (0.7 in)
1974	31.2 mm (1.2 in)
1975	55.1 mm (2.2 in)
1976	15.0 mm (0.6 in)
1977	13.5 mm (0.5 in)
1978	13.7 mm (0.5 in)
1979	21.1 mm (0.8 in)
1980	27.7 mm (1.1 in)
1981	20.1 mm (0.8 in)
1982	16.5 mm (0.6 in)
1983	28.7 mm (1.1 in)
1984	35.6 mm (1.4 in)
1985	22.9 mm (0.9 in)
1986	20.1 mm (0.8 in)
1987	35.1 mm (1.4 in)
1988	14.2 mm (0.6 in)
1989	19.3 mm (0.8 in)
1990	26.4 mm (1.0 in)
1991	22.4 mm (0.9 in)
1992	26.9 mm (1.1 in)
1993	11.2 mm (0.4 in)
1994	33.3 mm (1.3 in)
1995	26.4 mm (1.0 in)
1996	25.7 mm (1.0 in)
1997	10.2 mm (0.4 in)
2012	9.7 mm (0.38 in)
2013	4.6 mm (0.18 in)

Wettest five days (Rx5day)

The wettest five days of the year at Wenatchee Exp STN, 1950 to 2013. The record is 59.7 mm (2.4 in) in 1971, marked on the chart; the median year is 36.4 mm (1.4 in).

Wettest five days (Rx5day) at Wenatchee Exp STN by year
Year	Wettest five days (Rx5day)
1950	25.9 mm (1.0 in)
1951	51.2 mm (2.0 in)
1971	59.7 mm (2.4 in)
1972	52.5 mm (2.1 in)
1973	31.7 mm (1.2 in)
1974	52.3 mm (2.1 in)
1975	55.4 mm (2.2 in)
1976	28.2 mm (1.1 in)
1977	33.3 mm (1.3 in)
1978	36.4 mm (1.4 in)
1979	27.5 mm (1.1 in)
1980	40.7 mm (1.6 in)
1981	42.0 mm (1.7 in)
1982	30.9 mm (1.2 in)
1983	37.7 mm (1.5 in)
1984	36.1 mm (1.4 in)
1985	23.2 mm (0.9 in)
1986	51.9 mm (2.0 in)
1987	48.1 mm (1.9 in)
1988	20.6 mm (0.8 in)
1989	27.7 mm (1.1 in)
1990	44.7 mm (1.8 in)
1991	28.7 mm (1.1 in)
1992	36.0 mm (1.4 in)
1993	32.2 mm (1.3 in)
1994	39.9 mm (1.6 in)
1995	52.9 mm (2.1 in)
1996	51.4 mm (2.0 in)
1997	49.4 mm (1.9 in)
2012	23.7 mm (0.9 in)
2013	8.9 mm (0.35 in)

Longest dry spell (CDD)

The longest dry spell of the year at Wenatchee Exp STN, 1950 to 2013. The record is 116 days in 1987, marked on the chart; the median year is 47 days.

Longest dry spell (CDD) at Wenatchee Exp STN by year
Year	Longest dry spell (CDD)
1950	65 days
1951	52 days
1971	50 days
1972	40 days
1973	60 days
1974	102 days
1975	33 days
1976	66 days
1977	70 days
1978	46 days
1979	45 days
1980	39 days
1981	31 days
1982	41 days
1983	43 days
1984	54 days
1985	53 days
1986	52 days
1987	116 days
1988	68 days
1989	56 days
1990	42 days
1991	46 days
1992	43 days
1993	75 days
1994	47 days
1995	31 days
1996	56 days
1997	29 days
2012	9 days
2013	5 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

24 years with a frost

Across 24 years with a frost, the median last spring frost at Wenatchee Exp STN falls on 28 April and the median first autumn frost on 5 October, which leaves a median of 165 days between them.

Frost dates and growing season at Wenatchee Exp STN
Measure	Median, all years	Earliest period	Recent period (1972 to 1996)	Recent against earliest	Fitted trend
Last spring frost	28 April	n/a	28 April	n/a	n/a
First autumn frost	5 October	n/a	5 October	n/a	n/a
Growing days	165 days	n/a	165 days	n/a	n/a

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 Wenatchee Exp STN standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Wenatchee Exp STN 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).