Tatoosh Island Wb Weather Records (USW00024240)

Record envelope, standing records and threshold days for Tatoosh Island Wb (USW00024240), Washington, United States, with 36 years of record.

Key Facts for Tatoosh Island Wb

Tatoosh Island Wb (USW00024240) is a weather station in Washington, United States at 48.38 latitude and -124.73 longitude, 35 m (115 ft) above sea level.
The station reports from 1931 to 1966, 36 years of record.
1,464 records set at Tatoosh Island Wb still stand.
Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
Tatoosh Island Wb set a daily record precipitation of 14.0 mm (0.6 in) on 18 July 1966.

About the Station

Location: Washington, United States, 48.38 latitude, -124.73 longitude.
Elevation: 35 m (115 ft).
Period of record: 1931 to 1966, 36 years.
Eligible elements: tmax, tmin, prcp, snow, snwd.

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 Tatoosh Island Wb. 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 Tatoosh Island Wb, 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)	-10.0 C (14.0 F)	n/a	n/a
Feb	17.8 C (64.0 F)	-6.7 C (19.9 F)	n/a	n/a
Mar	19.4 C (66.9 F)	-3.9 C (25.0 F)	n/a	n/a
Apr	21.7 C (71.1 F)	0.6 C (33.1 F)	n/a	n/a
May	23.3 C (73.9 F)	2.8 C (37.0 F)	n/a	n/a
Jun	24.4 C (75.9 F)	6.1 C (43.0 F)	n/a	n/a
Jul	25.6 C (78.1 F)	7.2 C (45.0 F)	n/a	n/a
Aug	25.6 C (78.1 F)	7.2 C (45.0 F)	n/a	n/a
Sep	26.7 C (80.1 F)	6.1 C (43.0 F)	n/a	n/a
Oct	25.0 C (77.0 F)	0.6 C (33.1 F)	n/a	n/a
Nov	20.0 C (68.0 F)	-6.1 C (21.0 F)	n/a	n/a
Dec	16.1 C (61.0 F)	-7.8 C (18.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Tatoosh Island Wb still stand. 1936 holds the most, with 83.

Standing records at Tatoosh Island Wb by the year they were set
Year set	Standing records
1931	34
1932	38
1933	52
1934	67
1935	70
1936	83
1937	42
1938	39
1939	36
1940	59
1941	66
1942	43
1943	36
1944	36
1945	36
1946	29
1947	30
1948	32
1949	53
1950	78
1951	53
1952	34
1953	21
1954	31
1955	64
1956	26
1957	22
1958	46
1959	24
1960	15
1961	39
1962	18
1963	38
1964	35
1965	24
1966	15

Wettest Day of Each Month

Oct: 135.4 mm (5.3 in)

The wettest day on record for each calendar month at Tatoosh Island Wb. The most was 135.4 mm (5.3 in) on 23 October 1944.

Record daily precipitation for each month at Tatoosh Island Wb
Month	Record daily precipitation (mm)	Date
Jan	80.0 mm (3.1 in)	8 January 1933
Feb	81.0 mm (3.2 in)	26 February 1932
Mar	68.1 mm (2.7 in)	31 March 1955
Apr	77.5 mm (3.1 in)	29 April 1959
May	41.7 mm (1.6 in)	15 May 1965
Jun	69.1 mm (2.7 in)	14 June 1946
Jul	60.7 mm (2.4 in)	21 July 1945
Aug	55.4 mm (2.2 in)	31 August 1936
Sep	56.6 mm (2.2 in)	4 September 1931
Oct	135.4 mm (5.3 in)	23 October 1944
Nov	95.5 mm (3.8 in)	4 November 1954
Dec	83.3 mm (3.3 in)	23 December 1963

Period of Record Coverage

1931 to 1966

36 years of record at Tatoosh Island Wb, 1931 to 1966. 2 years have data for under 90 percent of days and are left out of rankings: 1931, 1966.

Days with data per year at Tatoosh Island Wb
Year	Days with data	Share of year	Complete
1931	304	83%	No
1932	366	100%	Yes
1933	365	100%	Yes
1934	364	100%	Yes
1935	365	100%	Yes
1936	366	100%	Yes
1937	365	100%	Yes
1938	365	100%	Yes
1939	365	100%	Yes
1940	365	100%	Yes
1941	365	100%	Yes
1942	363	99%	Yes
1943	365	100%	Yes
1944	365	100%	Yes
1945	365	100%	Yes
1946	365	100%	Yes
1947	364	100%	Yes
1948	366	100%	Yes
1949	365	100%	Yes
1950	365	100%	Yes
1951	365	100%	Yes
1952	366	100%	Yes
1953	365	100%	Yes
1954	365	100%	Yes
1955	362	99%	Yes
1956	366	100%	Yes
1957	365	100%	Yes
1958	362	99%	Yes
1959	364	100%	Yes
1960	366	100%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	365	100%	Yes
1965	365	100%	Yes
1966	212	58%	No

Latest Records

Latest records at Tatoosh Island Wb
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 July 1966	Tatoosh Island Wb, US	daily rain	14.0 mm (0.6 in)	4.9 mm (0.19 in)	27 years	16 of 100 (Routine)
14 July 1966	Tatoosh Island Wb, US	daily low max (Tie)	12.8 C (55.0 F)	tie	25 years	2 of 100 (Routine)
22 June 1966	Tatoosh Island Wb, US	daily low min (Tie)	8.3 C (46.9 F)	tie	32 years	3 of 100 (Routine)
18 June 1966	Tatoosh Island Wb, US	daily rain	21.8 mm (0.9 in)	2.7 mm (0.11 in)	27 years	14 of 100 (Routine)
15 June 1966	Tatoosh Island Wb, US	daily high max	18.3 C (64.9 F)	1.1 C (2.0 F)	17 years	13 of 100 (Routine)
5 June 1966	Tatoosh Island Wb, US	daily low min (Tie)	7.2 C (45.0 F)	tie	16 years	1 of 100 (Routine)
3 June 1966	Tatoosh Island Wb, US	daily low max	10.6 C (51.1 F)	1.1 C (2.0 F)	35 years	18 of 100 (Routine)
2 June 1966	Tatoosh Island Wb, US	daily low max (Tie)	10.6 C (51.1 F)	tie	15 years	1 of 100 (Routine)
1 June 1966	Tatoosh Island Wb, US	daily low min (Tie)	7.2 C (45.0 F)	tie	32 years	3 of 100 (Routine)
29 May 1966	Tatoosh Island Wb, US	daily low min (Tie)	6.1 C (43.0 F)	tie	11 years	1 of 100 (Routine)
28 May 1966	Tatoosh Island Wb, US	daily low min (Tie)	6.7 C (44.1 F)	tie	16 years	1 of 100 (Routine)
27 May 1966	Tatoosh Island Wb, US	daily low min	6.1 C (43.0 F)	1.1 C (2.0 F)	16 years	14 of 100 (Routine)
21 May 1966	Tatoosh Island Wb, US	daily low min (Tie)	6.1 C (43.0 F)	tie	21 years	2 of 100 (Routine)
21 May 1966	Tatoosh Island Wb, US	daily low max (Tie)	10.0 C (50.0 F)	tie	16 years	1 of 100 (Routine)
15 May 1966	Tatoosh Island Wb, US	daily low max	8.9 C (48.0 F)	0.5 C (0.9 F)	32 years	14 of 100 (Routine)
14 May 1966	Tatoosh Island Wb, US	monthly low max (Tie)	7.8 C (46.0 F)	tie	22 years	4 of 100 (Routine)
6 May 1966	Tatoosh Island Wb, US	daily rain	20.6 mm (0.8 in)	2.3 mm (0.09 in)	5 years	7 of 100 (Routine)
12 April 1966	Tatoosh Island Wb, US	daily low max	7.2 C (45.0 F)	0.6 C (1.1 F)	17 years	10 of 100 (Routine)
12 April 1966	Tatoosh Island Wb, US	daily low min	1.7 C (35.1 F)	0.5 C (0.9 F)	11 years	8 of 100 (Routine)
11 April 1966	Tatoosh Island Wb, US	monthly snowfall	1.0 cm (0.4 in)	0.5 cm (0.2 in)	18 years	19 of 100 (Routine)

Climate Trend

34 complete years, 1932 to 1965

One stripe for each of 34 complete years at Tatoosh Island Wb, 1932 to 1965. Blue stripes are years cooler than the station's own mean of 9.6 C (49.2 F); red stripes are warmer. The coolest year was 1955, at 8.3 C (46.9 F), and the warmest was 1941, at 10.9 C (51.7 F). The strongest colour marks a difference of 1.4 C (2.5 F).

Annual mean temperature at Tatoosh Island Wb as warming stripes, 1932 to 1965
Year	Annual mean temperature	Difference from the station mean
1932	9.3 C	-0.30 C
1933	8.9 C	-0.64 C
1934	10.6 C	+1.05 C
1935	9.5 C	-0.03 C
1936	9.8 C	+0.22 C
1937	9.5 C	-0.09 C
1938	9.6 C	+0.05 C
1939	9.8 C	+0.25 C
1940	10.8 C	+1.29 C
1941	10.9 C	+1.37 C
1942	10.0 C	+0.45 C
1943	9.7 C	+0.12 C
1944	9.8 C	+0.27 C
1945	9.2 C	-0.31 C
1946	9.3 C	-0.29 C
1947	10.0 C	+0.48 C
1948	9.1 C	-0.48 C
1949	9.0 C	-0.58 C
1950	8.4 C	-1.17 C
1951	8.9 C	-0.63 C
1952	9.1 C	-0.47 C
1953	10.1 C	+0.52 C
1954	9.4 C	-0.16 C
1955	8.3 C	-1.30 C
1956	9.0 C	-0.59 C
1957	9.7 C	+0.19 C
1958	10.8 C	+1.23 C
1959	9.6 C	+0.09 C
1960	9.5 C	-0.04 C
1961	9.5 C	-0.06 C
1962	9.4 C	-0.15 C
1963	10.2 C	+0.62 C
1964	8.9 C	-0.62 C
1965	9.4 C	-0.13 C

The fitted trend in annual mean temperature here over 1932 to 1965 is -0.1 C (-0.3 to 0.1) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: -0.2 F (-0.6 to 0.2) per decade. The slope is a straight line fitted to 34 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Tatoosh Island Wb
Measure	Per decade (C)	Per decade (F)	Period	Complete years	Reading
Annual mean temperature	-0.1 C (-0.3 to 0.1) per decade	-0.2 F (-0.6 to 0.2) per decade	1932 to 1965	34	Not clearly different from zero
Mean daily maximum	0.01 C (-0.22 to 0.24) per decade	0.02 F (-0.39 to 0.42) per decade	1932 to 1965	34	Not clearly different from zero
Mean daily minimum	-0.24 C (-0.46 to -0.01) per decade	-0.43 F (-0.84 to -0.02) per decade	1932 to 1965	34	Fall

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

1931 to 1966

Yearly extremes at Tatoosh Island Wb: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	26.7 C (80.1 F)	1949	23.1 C (73.5 F)	36
Coldest night (TNn)	-10.0 C (14.0 F)	1950	-2.8 C (27.0 F)	36
Wettest day (Rx1day)	135.4 mm (5.3 in)	1944	70.1 mm (2.8 in)	36
Wettest five days (Rx5day)	303.6 mm (12.0 in)	1935	152.1 mm (6.0 in)	36
Longest dry spell (CDD)	55 days	1960	21 days	36

Hottest day (TXx)

The hottest day of the year at Tatoosh Island Wb, 1931 to 1966. The record is 26.7 C (80.1 F) in 1949, marked on the chart; the median year is 23.1 C (73.5 F).

Hottest day (TXx) at Tatoosh Island Wb by year
Year	Hottest day (TXx)
1931	24.4 C (75.9 F)
1932	25.0 C (77.0 F)
1933	23.9 C (75.0 F)
1934	22.8 C (73.0 F)
1935	24.4 C (75.9 F)
1936	21.1 C (70.0 F)
1937	21.7 C (71.1 F)
1938	22.2 C (72.0 F)
1939	23.3 C (73.9 F)
1940	23.9 C (75.0 F)
1941	24.4 C (75.9 F)
1942	25.6 C (78.1 F)
1943	25.6 C (78.1 F)
1944	25.6 C (78.1 F)
1945	18.9 C (66.0 F)
1946	22.2 C (72.0 F)
1947	20.6 C (69.1 F)
1948	23.9 C (75.0 F)
1949	26.7 C (80.1 F)
1950	20.6 C (69.1 F)
1951	24.4 C (75.9 F)
1952	23.3 C (73.9 F)
1953	21.1 C (70.0 F)
1954	19.4 C (66.9 F)
1955	22.8 C (73.0 F)
1956	21.1 C (70.0 F)
1957	22.2 C (72.0 F)
1958	23.9 C (75.0 F)
1959	22.2 C (72.0 F)
1960	24.4 C (75.9 F)
1961	25.6 C (78.1 F)
1962	20.0 C (68.0 F)
1963	23.3 C (73.9 F)
1964	21.1 C (70.0 F)
1965	22.8 C (73.0 F)
1966	18.3 C (64.9 F)

Coldest night (TNn)

The coldest night of the year at Tatoosh Island Wb, 1931 to 1966. The record is -10.0 C (14.0 F) in 1950, marked on the chart; the median year is -2.8 C (27.0 F).

Coldest night (TNn) at Tatoosh Island Wb by year
Year	Coldest night (TNn)
1931	1.1 C (34.0 F)
1932	-4.4 C (24.1 F)
1933	-5.0 C (23.0 F)
1934	1.1 C (34.0 F)
1935	-7.8 C (18.0 F)
1936	-6.1 C (21.0 F)
1937	-3.3 C (26.1 F)
1938	-0.6 C (30.9 F)
1939	-1.7 C (28.9 F)
1940	0.6 C (33.1 F)
1941	-1.1 C (30.0 F)
1942	-1.1 C (30.0 F)
1943	-8.9 C (16.0 F)
1944	1.1 C (34.0 F)
1945	0.0 C (32.0 F)
1946	-1.7 C (28.9 F)
1947	-4.4 C (24.1 F)
1948	0.6 C (33.1 F)
1949	-2.8 C (27.0 F)
1950	-10.0 C (14.0 F)
1951	-4.4 C (24.1 F)
1952	-1.1 C (30.0 F)
1953	1.7 C (35.1 F)
1954	-5.0 C (23.0 F)
1955	-6.1 C (21.0 F)
1956	-6.7 C (19.9 F)
1957	-4.4 C (24.1 F)
1958	0.6 C (33.1 F)
1959	-5.6 C (21.9 F)
1960	-2.8 C (27.0 F)
1961	-2.2 C (28.0 F)
1962	-3.9 C (25.0 F)
1963	-5.6 C (21.9 F)
1964	-7.8 C (18.0 F)
1965	-1.1 C (30.0 F)
1966	0.0 C (32.0 F)

Wettest day (Rx1day)

The wettest day of the year at Tatoosh Island Wb, 1931 to 1966. The record is 135.4 mm (5.3 in) in 1944, marked on the chart; the median year is 70.1 mm (2.8 in).

Wettest day (Rx1day) at Tatoosh Island Wb by year
Year	Wettest day (Rx1day)
1931	69.3 mm (2.7 in)
1932	81.0 mm (3.2 in)
1933	80.0 mm (3.1 in)
1934	61.2 mm (2.4 in)
1935	79.8 mm (3.1 in)
1936	63.8 mm (2.5 in)
1937	66.8 mm (2.6 in)
1938	58.9 mm (2.3 in)
1939	77.7 mm (3.1 in)
1940	77.7 mm (3.1 in)
1941	47.5 mm (1.9 in)
1942	70.6 mm (2.8 in)
1943	77.2 mm (3.0 in)
1944	135.4 mm (5.3 in)
1945	67.6 mm (2.7 in)
1946	69.1 mm (2.7 in)
1947	55.9 mm (2.2 in)
1948	70.6 mm (2.8 in)
1949	69.6 mm (2.7 in)
1950	63.0 mm (2.5 in)
1951	72.9 mm (2.9 in)
1952	60.7 mm (2.4 in)
1953	61.0 mm (2.4 in)
1954	95.5 mm (3.8 in)
1955	85.3 mm (3.4 in)
1956	96.5 mm (3.8 in)
1957	54.1 mm (2.1 in)
1958	64.3 mm (2.5 in)
1959	77.5 mm (3.1 in)
1960	51.6 mm (2.0 in)
1961	74.4 mm (2.9 in)
1962	71.1 mm (2.8 in)
1963	83.3 mm (3.3 in)
1964	51.1 mm (2.0 in)
1965	60.5 mm (2.4 in)
1966	71.1 mm (2.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Tatoosh Island Wb, 1931 to 1966. The record is 303.6 mm (12.0 in) in 1935, marked on the chart; the median year is 152.1 mm (6.0 in).

Wettest five days (Rx5day) at Tatoosh Island Wb by year
Year	Wettest five days (Rx5day)
1931	164.3 mm (6.5 in)
1932	168.7 mm (6.6 in)
1933	162.1 mm (6.4 in)
1934	114.1 mm (4.5 in)
1935	303.6 mm (12.0 in)
1936	101.8 mm (4.0 in)
1937	152.7 mm (6.0 in)
1938	133.6 mm (5.3 in)
1939	147.3 mm (5.8 in)
1940	165.5 mm (6.5 in)
1941	119.7 mm (4.7 in)
1942	89.4 mm (3.5 in)
1943	133.1 mm (5.2 in)
1944	165.8 mm (6.5 in)
1945	130.3 mm (5.1 in)
1946	141.0 mm (5.6 in)
1947	162.8 mm (6.4 in)
1948	171.6 mm (6.8 in)
1949	165.1 mm (6.5 in)
1950	163.9 mm (6.5 in)
1951	242.4 mm (9.5 in)
1952	118.4 mm (4.7 in)
1953	135.4 mm (5.3 in)
1954	225.9 mm (8.9 in)
1955	163.8 mm (6.4 in)
1956	164.6 mm (6.5 in)
1957	127.8 mm (5.0 in)
1958	119.2 mm (4.7 in)
1959	151.6 mm (6.0 in)
1960	107.0 mm (4.2 in)
1961	156.6 mm (6.2 in)
1962	138.9 mm (5.5 in)
1963	177.9 mm (7.0 in)
1964	117.8 mm (4.6 in)
1965	115.3 mm (4.5 in)
1966	161.0 mm (6.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Tatoosh Island Wb, 1931 to 1966. The record is 55 days in 1960, marked on the chart; the median year is 21 days.

Longest dry spell (CDD) at Tatoosh Island Wb by year
Year	Longest dry spell (CDD)
1931	36 days
1932	15 days
1933	14 days
1934	31 days
1935	21 days
1936	26 days
1937	19 days
1938	32 days
1939	24 days
1940	18 days
1941	18 days
1942	20 days
1943	25 days
1944	23 days
1945	32 days
1946	17 days
1947	23 days
1948	14 days
1949	20 days
1950	19 days
1951	33 days
1952	17 days
1953	22 days
1954	13 days
1955	22 days
1956	20 days
1957	19 days
1958	21 days
1959	27 days
1960	55 days
1961	40 days
1962	20 days
1963	28 days
1964	14 days
1965	21 days
1966	9 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.

Rainfall Return Levels

34 years, 1932 to 1965

A day with at least 68.7 mm (2.7 in) of rain is expected about once in 2 years. A day with at least 122.6 mm (4.8 in) of rain is expected about once in 100 years.

Rainfall return levels at Tatoosh Island Wb: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	68.7 mm (2.7 in)
5 years	82.4 mm (3.2 in)
10 years	91.8 mm (3.6 in)
25 years	104.0 mm (4.1 in)
50 years	113.2 mm (4.5 in)	Longer than the 34 years of record
100 years	122.6 mm (4.8 in)	Longer than the 34 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 34 years of values from 1932 to 1965.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 135.4 mm (5.3 in) in 1944; 96.5 mm (3.8 in) in 1956; 95.5 mm (3.8 in) in 1954.

Download the Data

Data for Tatoosh Island Wb standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Tatoosh Island Wb 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 2026-10-15 (15 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).