Record envelope, standing records and threshold days for Tillamook (USC00358494), Oregon, United States, with 75 years of record.
Key Facts for Tillamook
Tillamook (USC00358494) is a weather station in Oregon, United States at 45.45 latitude and -123.85 longitude, 4 m (12 ft) above sea level.
The station reports from 1948 to 2022, 75 years of record.
1,464 records set at Tillamook still stand.
Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
Tillamook tied a daily record low maximum temperature of 12.2 C (54.0 F) on 20 May 2021.
About the Station
Location: Oregon, United States, 45.45 latitude, -123.85 longitude.
Elevation: 4 m (12 ft).
Period of record: 1948 to 2022, 75 years.
Eligible elements: tmax, tmin, prcp, snow, snwd.
Daily Record Envelope and 2026
0 days at or beyond a record
Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Tillamook. 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 Tillamook, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
21.1 C (70.0 F)
-17.2 C (1.0 F)
n/a
n/a
Feb
25.6 C (78.1 F)
-15.0 C (5.0 F)
n/a
n/a
Mar
25.6 C (78.1 F)
-7.8 C (18.0 F)
n/a
n/a
Apr
30.0 C (86.0 F)
-5.0 C (23.0 F)
n/a
n/a
May
31.1 C (88.0 F)
-3.9 C (25.0 F)
n/a
n/a
Jun
30.6 C (87.1 F)
-0.6 C (30.9 F)
n/a
n/a
Jul
31.1 C (88.0 F)
1.1 C (34.0 F)
n/a
n/a
Aug
31.7 C (89.1 F)
0.6 C (33.1 F)
n/a
n/a
Sep
36.1 C (97.0 F)
-2.8 C (27.0 F)
n/a
n/a
Oct
33.3 C (91.9 F)
-7.2 C (19.0 F)
n/a
n/a
Nov
26.7 C (80.1 F)
-10.0 C (14.0 F)
n/a
n/a
Dec
20.6 C (69.1 F)
-15.6 C (3.9 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Tillamook still stand. 1955 holds the most, with 45.
Standing records at Tillamook by the year they were set
Year set
Standing records
1948
14
1949
37
1950
37
1951
29
1952
21
1953
18
1954
21
1955
45
1956
29
1957
23
1958
33
1959
22
1960
28
1961
20
1962
38
1963
22
1964
29
1965
25
1966
20
1967
11
1968
23
1969
14
1970
24
1971
27
1972
36
1973
22
1974
16
1975
20
1976
25
1977
16
1978
25
1979
18
1980
16
1981
15
1982
18
1983
23
1984
16
1985
24
1986
15
1987
19
1988
14
1989
20
1990
14
1991
29
1992
16
1993
13
1994
10
1995
19
1996
13
1997
17
1998
8
1999
23
2000
9
2001
9
2002
22
2003
17
2004
16
2005
15
2006
17
2007
36
2008
20
2009
10
2010
12
2012
3
2013
19
2014
24
2015
24
2016
16
2017
11
2018
23
2019
28
2020
3
All-Time Record Progression
7 new records
7 all-time records were set at Tillamook between 14 September 1979 and 21 December 2019. Each dot is a new record.
When Tillamook set new all-time records
Date
Kind
Detail
1979-09-14
Record high maximum temperature
Record high maximum temperature 36.1 C (97.0 F)
1982-01-23
Record daily precipitation
Record daily precipitation 132.6 mm (5.2 in)
1983-12-22
Record low maximum temperature
Record low maximum temperature -5.6 C (21.9 F)
1989-02-03
Record low maximum temperature
Record low maximum temperature -8.3 C (17.1 F)
1995-09-21
Record high minimum temperature
Record high minimum temperature 19.4 C (66.9 F)
2009-09-22
Record high minimum temperature
Record high minimum temperature 20.0 C (68.0 F)
2019-12-21
Record daily precipitation
Record daily precipitation 184.4 mm (7.3 in)
Wettest Day of Each Month
Dec: 184.4 mm (7.3 in)
The wettest day on record for each calendar month at Tillamook. The most was 184.4 mm (7.3 in) on 21 December 2019.
Record daily precipitation for each month at Tillamook
Month
Record daily precipitation (mm)
Date
Jan
132.6 mm (5.2 in)
23 January 1982
Feb
122.9 mm (4.8 in)
8 February 1996
Mar
95.3 mm (3.8 in)
3 March 1987
Apr
110.5 mm (4.4 in)
23 April 1996
May
63.5 mm (2.5 in)
1 May 1949
Jun
63.5 mm (2.5 in)
2 June 1968
Jul
50.8 mm (2.0 in)
17 July 1974
Aug
55.9 mm (2.2 in)
22 August 2001
Sep
70.6 mm (2.8 in)
17 September 1997
Oct
118.6 mm (4.7 in)
27 October 1994
Nov
108.2 mm (4.3 in)
30 November 1975
Dec
184.4 mm (7.3 in)
21 December 2019
Period of Record Coverage
1948 to 2021
Complete yearUnder 90 percent of days
73 years of record at Tillamook, 1948 to 2021. 9 years have data for under 90 percent of days and are left out of rankings: 1948, 1953, 1993, 2006, 2007, 2010, 2012, 2020 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 62 complete years at Tillamook, 1949 to 2019. Blue stripes are years cooler than the station's own mean of 10.4 C (50.7 F); red stripes are warmer. The coolest year was 1985, at 9.3 C (48.7 F), and the warmest was 2014, at 11.6 C (52.8 F). The strongest colour marks a difference of 1.2 C (2.2 F).
Annual mean temperature at Tillamook as warming stripes, 1949 to 2019
Year
Annual mean temperature
Difference from the station mean
1949
9.8 C
-0.56 C
1950
10.1 C
-0.29 C
1951
9.6 C
-0.77 C
1952
9.9 C
-0.53 C
1956
9.9 C
-0.51 C
1957
10.3 C
-0.09 C
1958
11.5 C
+1.15 C
1959
10.3 C
-0.13 C
1960
10.0 C
-0.40 C
1961
10.4 C
0.00 C
1962
10.0 C
-0.36 C
1963
10.5 C
+0.16 C
1964
9.6 C
-0.79 C
1965
10.2 C
-0.23 C
1966
10.2 C
-0.18 C
1967
10.6 C
+0.17 C
1968
10.4 C
+0.02 C
1969
9.9 C
-0.48 C
1970
9.7 C
-0.70 C
1971
9.4 C
-0.96 C
1972
10.0 C
-0.34 C
1973
10.4 C
+0.03 C
1974
10.2 C
-0.16 C
1975
9.8 C
-0.56 C
1976
10.4 C
-0.03 C
1977
10.4 C
+0.03 C
1978
10.6 C
+0.25 C
1980
10.4 C
-0.02 C
1981
11.0 C
+0.61 C
1982
10.1 C
-0.29 C
1983
11.1 C
+0.74 C
1984
10.3 C
-0.07 C
1985
9.3 C
-1.11 C
1986
10.7 C
+0.36 C
1987
10.6 C
+0.18 C
1988
10.1 C
-0.30 C
1989
10.0 C
-0.39 C
1990
10.2 C
-0.22 C
1991
10.1 C
-0.33 C
1992
11.2 C
+0.85 C
1993
10.7 C
+0.30 C
1994
10.3 C
-0.05 C
1995
11.4 C
+1.04 C
1996
10.4 C
+0.06 C
1997
11.2 C
+0.86 C
1998
10.8 C
+0.38 C
1999
10.2 C
-0.17 C
2000
10.3 C
-0.06 C
2001
10.0 C
-0.41 C
2002
10.0 C
-0.37 C
2003
11.0 C
+0.60 C
2004
11.1 C
+0.68 C
2005
10.6 C
+0.18 C
2008
10.0 C
-0.35 C
2009
10.4 C
-0.01 C
2013
10.0 C
-0.35 C
2014
11.6 C
+1.19 C
2015
11.4 C
+1.05 C
2016
11.6 C
+1.17 C
2017
10.6 C
+0.21 C
2018
10.9 C
+0.56 C
2019
10.2 C
-0.16 C
The annual mean temperature here has risen by 0.1 C (0.1 to 0.2) per decade over 1949 to 2019. In Fahrenheit: 0.2 F (0.1 to 0.3) per decade. The slope is a straight line fitted to 62 complete years; the brackets give its 95 percent interval.
Fitted temperature trends per decade at Tillamook
Measure
Per decade (C)
Per decade (F)
Period
Complete years
Reading
Annual mean temperature
0.1 C (0.1 to 0.2) per decade
0.2 F (0.1 to 0.3) per decade
1949 to 2019
62
Rise
Mean daily maximum
0.11 C (0.04 to 0.18) per decade
0.2 F (0.1 to 0.3) per decade
1949 to 2019
62
Rise
Mean daily minimum
0.1 C (0.1 to 0.2) per decade
0.2 F (0.1 to 0.4) per decade
1949 to 2019
62
Rise
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
1948 to 2022
Yearly extremes at Tillamook: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
36.1 C (97.0 F)
1979
30.6 C (87.1 F)
73
Coldest night (TNn)
-17.2 C (1.0 F)
1950
-6.7 C (19.9 F)
73
Wettest day (Rx1day)
184.4 mm (7.3 in)
2019
77.0 mm (3.0 in)
74
Wettest five days (Rx5day)
351.9 mm (13.9 in)
1996
190.3 mm (7.5 in)
74
Longest dry spell (CDD)
63 days
2012
26 days
74
Hottest day (TXx)
The hottest day of the year at Tillamook, 1948 to 2022. The record is 36.1 C (97.0 F) in 1979, marked on the chart; the median year is 30.6 C (87.1 F).
Hottest day (TXx) at Tillamook by year
Year
Hottest day (TXx)
1948
33.3 C (91.9 F)
1949
33.9 C (93.0 F)
1950
33.3 C (91.9 F)
1951
33.3 C (91.9 F)
1952
33.9 C (93.0 F)
1953
30.6 C (87.1 F)
1954
27.2 C (81.0 F)
1955
26.1 C (79.0 F)
1956
31.7 C (89.1 F)
1957
33.9 C (93.0 F)
1958
32.8 C (91.0 F)
1959
30.0 C (86.0 F)
1960
30.6 C (87.1 F)
1961
30.6 C (87.1 F)
1962
32.2 C (90.0 F)
1963
27.2 C (81.0 F)
1964
26.7 C (80.1 F)
1965
29.4 C (84.9 F)
1966
31.1 C (88.0 F)
1967
32.8 C (91.0 F)
1968
28.9 C (84.0 F)
1969
30.0 C (86.0 F)
1970
30.0 C (86.0 F)
1971
28.3 C (82.9 F)
1972
32.8 C (91.0 F)
1973
35.0 C (95.0 F)
1974
34.4 C (93.9 F)
1975
33.9 C (93.0 F)
1976
30.0 C (86.0 F)
1977
31.1 C (88.0 F)
1978
30.6 C (87.1 F)
1979
36.1 C (97.0 F)
1980
29.4 C (84.9 F)
1981
31.1 C (88.0 F)
1982
27.8 C (82.0 F)
1983
26.7 C (80.1 F)
1984
30.6 C (87.1 F)
1985
29.4 C (84.9 F)
1986
25.6 C (78.1 F)
1987
33.3 C (91.9 F)
1988
32.8 C (91.0 F)
1989
31.1 C (88.0 F)
1990
31.7 C (89.1 F)
1991
32.2 C (90.0 F)
1992
30.6 C (87.1 F)
1993
31.1 C (88.0 F)
1994
31.7 C (89.1 F)
1995
30.0 C (86.0 F)
1996
28.3 C (82.9 F)
1997
30.0 C (86.0 F)
1998
25.0 C (77.0 F)
1999
30.6 C (87.1 F)
2000
29.4 C (84.9 F)
2001
28.3 C (82.9 F)
2002
31.1 C (88.0 F)
2003
30.6 C (87.1 F)
2004
30.0 C (86.0 F)
2005
30.6 C (87.1 F)
2006
31.1 C (88.0 F)
2007
30.6 C (87.1 F)
2008
27.8 C (82.0 F)
2009
33.3 C (91.9 F)
2010
30.0 C (86.0 F)
2012
27.8 C (82.0 F)
2013
26.1 C (79.0 F)
2014
33.3 C (91.9 F)
2015
28.3 C (82.9 F)
2016
31.7 C (89.1 F)
2017
32.2 C (90.0 F)
2018
30.6 C (87.1 F)
2019
26.7 C (80.1 F)
2020
27.8 C (82.0 F)
2021
21.7 C (71.1 F)
2022
n/a
Coldest night (TNn)
The coldest night of the year at Tillamook, 1948 to 2022. The record is -17.2 C (1.0 F) in 1950, marked on the chart; the median year is -6.7 C (19.9 F).
Coldest night (TNn) at Tillamook by year
Year
Coldest night (TNn)
1948
-6.7 C (19.9 F)
1949
-10.0 C (14.0 F)
1950
-17.2 C (1.0 F)
1951
-8.3 C (17.1 F)
1952
-6.1 C (21.0 F)
1953
-3.9 C (25.0 F)
1954
-4.4 C (24.1 F)
1955
-8.3 C (17.1 F)
1956
-8.9 C (16.0 F)
1957
-11.1 C (12.0 F)
1958
-6.1 C (21.0 F)
1959
-7.8 C (18.0 F)
1960
-7.8 C (18.0 F)
1961
-7.2 C (19.0 F)
1962
-10.0 C (14.0 F)
1963
-10.0 C (14.0 F)
1964
-10.0 C (14.0 F)
1965
-6.1 C (21.0 F)
1966
-5.6 C (21.9 F)
1967
-6.1 C (21.0 F)
1968
-7.2 C (19.0 F)
1969
-10.0 C (14.0 F)
1970
-5.0 C (23.0 F)
1971
-6.7 C (19.9 F)
1972
-15.6 C (3.9 F)
1973
-6.1 C (21.0 F)
1974
-11.7 C (10.9 F)
1975
-5.6 C (21.9 F)
1976
-8.3 C (17.1 F)
1977
-8.9 C (16.0 F)
1978
-9.4 C (15.1 F)
1979
-9.4 C (15.1 F)
1980
-9.4 C (15.1 F)
1981
-6.1 C (21.0 F)
1982
-10.0 C (14.0 F)
1983
-12.8 C (9.0 F)
1984
-7.2 C (19.0 F)
1985
-10.0 C (14.0 F)
1986
-3.9 C (25.0 F)
1987
-6.1 C (21.0 F)
1988
-5.0 C (23.0 F)
1989
-13.3 C (8.1 F)
1990
-13.9 C (7.0 F)
1991
-6.7 C (19.9 F)
1992
-3.9 C (25.0 F)
1993
-8.3 C (17.1 F)
1994
-5.6 C (21.9 F)
1995
-5.0 C (23.0 F)
1996
-5.6 C (21.9 F)
1997
-6.1 C (21.0 F)
1998
-12.2 C (10.0 F)
1999
-2.8 C (27.0 F)
2000
-6.1 C (21.0 F)
2001
-6.1 C (21.0 F)
2002
-6.1 C (21.0 F)
2003
-6.1 C (21.0 F)
2004
-3.3 C (26.1 F)
2005
-6.1 C (21.0 F)
2006
-7.2 C (19.0 F)
2007
-9.4 C (15.1 F)
2008
-6.1 C (21.0 F)
2009
-11.7 C (10.9 F)
2010
-2.8 C (27.0 F)
2012
-2.8 C (27.0 F)
2013
-11.7 C (10.9 F)
2014
-6.1 C (21.0 F)
2015
-5.0 C (23.0 F)
2016
-5.6 C (21.9 F)
2017
-8.9 C (16.0 F)
2018
-6.1 C (21.0 F)
2019
-5.6 C (21.9 F)
2020
3.9 C (39.0 F)
2021
2.2 C (36.0 F)
2022
n/a
Wettest day (Rx1day)
The wettest day of the year at Tillamook, 1948 to 2022. The record is 184.4 mm (7.3 in) in 2019, marked on the chart; the median year is 77.0 mm (3.0 in).
Wettest day (Rx1day) at Tillamook by year
Year
Wettest day (Rx1day)
1948
62.2 mm (2.4 in)
1949
80.5 mm (3.2 in)
1950
112.3 mm (4.4 in)
1951
63.2 mm (2.5 in)
1952
64.0 mm (2.5 in)
1953
64.8 mm (2.6 in)
1954
89.7 mm (3.5 in)
1955
111.8 mm (4.4 in)
1956
66.0 mm (2.6 in)
1957
74.9 mm (2.9 in)
1958
80.5 mm (3.2 in)
1959
61.5 mm (2.4 in)
1960
102.1 mm (4.0 in)
1961
67.6 mm (2.7 in)
1962
77.2 mm (3.0 in)
1963
76.7 mm (3.0 in)
1964
97.0 mm (3.8 in)
1965
118.1 mm (4.6 in)
1966
64.8 mm (2.6 in)
1967
76.2 mm (3.0 in)
1968
78.7 mm (3.1 in)
1969
76.2 mm (3.0 in)
1970
82.6 mm (3.3 in)
1971
108.0 mm (4.3 in)
1972
106.7 mm (4.2 in)
1973
71.1 mm (2.8 in)
1974
89.4 mm (3.5 in)
1975
108.2 mm (4.3 in)
1976
65.3 mm (2.6 in)
1977
125.0 mm (4.9 in)
1978
49.3 mm (1.9 in)
1979
64.5 mm (2.5 in)
1980
74.2 mm (2.9 in)
1981
90.7 mm (3.6 in)
1982
132.6 mm (5.2 in)
1983
74.9 mm (2.9 in)
1984
61.7 mm (2.4 in)
1985
59.4 mm (2.3 in)
1986
59.7 mm (2.4 in)
1987
95.3 mm (3.8 in)
1988
55.9 mm (2.2 in)
1989
63.5 mm (2.5 in)
1990
105.2 mm (4.1 in)
1991
92.7 mm (3.6 in)
1992
57.2 mm (2.3 in)
1993
55.9 mm (2.2 in)
1994
118.6 mm (4.7 in)
1995
101.1 mm (4.0 in)
1996
122.9 mm (4.8 in)
1997
93.0 mm (3.7 in)
1998
97.8 mm (3.9 in)
1999
101.1 mm (4.0 in)
2000
66.3 mm (2.6 in)
2001
55.9 mm (2.2 in)
2002
74.9 mm (2.9 in)
2003
109.7 mm (4.3 in)
2004
104.9 mm (4.1 in)
2005
58.2 mm (2.3 in)
2006
88.6 mm (3.5 in)
2007
128.5 mm (5.1 in)
2008
65.0 mm (2.6 in)
2009
85.9 mm (3.4 in)
2010
55.6 mm (2.2 in)
2012
118.1 mm (4.6 in)
2013
65.3 mm (2.6 in)
2014
65.8 mm (2.6 in)
2015
117.9 mm (4.6 in)
2016
102.1 mm (4.0 in)
2017
106.7 mm (4.2 in)
2018
75.9 mm (3.0 in)
2019
184.4 mm (7.3 in)
2020
32.8 mm (1.3 in)
2021
15.5 mm (0.6 in)
2022
0.0 mm (0.00 in)
Wettest five days (Rx5day)
The wettest five days of the year at Tillamook, 1948 to 2022. The record is 351.9 mm (13.9 in) in 1996, marked on the chart; the median year is 190.3 mm (7.5 in).
Wettest five days (Rx5day) at Tillamook by year
Year
Wettest five days (Rx5day)
1948
125.2 mm (4.9 in)
1949
191.5 mm (7.5 in)
1950
180.8 mm (7.1 in)
1951
169.8 mm (6.7 in)
1952
186.2 mm (7.3 in)
1953
197.6 mm (7.8 in)
1954
190.9 mm (7.5 in)
1955
215.5 mm (8.5 in)
1956
245.1 mm (9.6 in)
1957
175.2 mm (6.9 in)
1958
147.9 mm (5.8 in)
1959
158.5 mm (6.2 in)
1960
264.9 mm (10.4 in)
1961
196.2 mm (7.7 in)
1962
150.8 mm (5.9 in)
1963
177.3 mm (7.0 in)
1964
203.6 mm (8.0 in)
1965
328.2 mm (12.9 in)
1966
243.8 mm (9.6 in)
1967
157.5 mm (6.2 in)
1968
220.4 mm (8.7 in)
1969
141.5 mm (5.6 in)
1970
196.8 mm (7.7 in)
1971
267.2 mm (10.5 in)
1972
189.6 mm (7.5 in)
1973
169.2 mm (6.7 in)
1974
183.3 mm (7.2 in)
1975
304.8 mm (12.0 in)
1976
156.9 mm (6.2 in)
1977
219.2 mm (8.6 in)
1978
95.2 mm (3.7 in)
1979
159.2 mm (6.3 in)
1980
171.9 mm (6.8 in)
1981
172.0 mm (6.8 in)
1982
226.9 mm (8.9 in)
1983
273.8 mm (10.8 in)
1984
154.9 mm (6.1 in)
1985
153.9 mm (6.1 in)
1986
133.9 mm (5.3 in)
1987
194.1 mm (7.6 in)
1988
156.9 mm (6.2 in)
1989
126.1 mm (5.0 in)
1990
222.8 mm (8.8 in)
1991
225.3 mm (8.9 in)
1992
197.4 mm (7.8 in)
1993
184.6 mm (7.3 in)
1994
260.7 mm (10.3 in)
1995
274.3 mm (10.8 in)
1996
351.9 mm (13.9 in)
1997
215.9 mm (8.5 in)
1998
200.4 mm (7.9 in)
1999
225.6 mm (8.9 in)
2000
100.4 mm (4.0 in)
2001
166.7 mm (6.6 in)
2002
194.3 mm (7.6 in)
2003
217.4 mm (8.6 in)
2004
213.3 mm (8.4 in)
2005
167.1 mm (6.6 in)
2006
272.8 mm (10.7 in)
2007
212.0 mm (8.3 in)
2008
166.8 mm (6.6 in)
2009
185.5 mm (7.3 in)
2010
118.9 mm (4.7 in)
2012
222.1 mm (8.7 in)
2013
197.9 mm (7.8 in)
2014
158.9 mm (6.3 in)
2015
266.5 mm (10.5 in)
2016
247.1 mm (9.7 in)
2017
215.1 mm (8.5 in)
2018
117.6 mm (4.6 in)
2019
92.6 mm (3.6 in)
2020
54.2 mm (2.1 in)
2021
38.7 mm (1.5 in)
2022
0.0 mm (0.00 in)
Longest dry spell (CDD)
The longest dry spell of the year at Tillamook, 1948 to 2022. The record is 63 days in 2012, marked on the chart; the median year is 26 days.
Longest dry spell (CDD) at Tillamook by year
Year
Longest dry spell (CDD)
1948
12 days
1949
16 days
1950
31 days
1951
27 days
1952
37 days
1953
39 days
1954
28 days
1955
42 days
1956
26 days
1957
25 days
1958
33 days
1959
16 days
1960
55 days
1961
19 days
1962
19 days
1963
17 days
1964
8 days
1965
21 days
1966
22 days
1967
59 days
1968
24 days
1969
24 days
1970
24 days
1971
39 days
1972
34 days
1973
38 days
1974
27 days
1975
32 days
1976
18 days
1977
35 days
1978
15 days
1979
32 days
1980
42 days
1981
40 days
1982
16 days
1983
16 days
1984
25 days
1985
45 days
1986
42 days
1987
34 days
1988
33 days
1989
30 days
1990
18 days
1991
32 days
1992
23 days
1993
26 days
1994
33 days
1995
18 days
1996
13 days
1997
40 days
1998
48 days
1999
17 days
2000
44 days
2001
20 days
2002
26 days
2003
32 days
2004
18 days
2005
25 days
2006
25 days
2007
15 days
2008
23 days
2009
24 days
2010
61 days
2012
63 days
2013
34 days
2014
19 days
2015
46 days
2016
21 days
2017
25 days
2018
26 days
2019
20 days
2020
4 days
2021
7 days
2022
30 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
62 years with a frost
Across 62 years with a frost, the median last spring frost at Tillamook falls on 4 May and the median first autumn frost on 12 October, which leaves a median of 163 days between them.
In 1985 to 2019 the median growing season was 172 days. That is 16 days more than in 1949 to 1982.
Fitted over all years, the growing season changes by +6.6 days per decade at this station.
Frost dates and growing season at Tillamook
Measure
Median, all years
Earliest period (1949 to 1982)
Recent period (1985 to 2019)
Recent against earliest
Fitted trend
Last spring frost
4 May
12 May
24 April
18 days earlier
-4.6 days per decade
First autumn frost
12 October
9 October
15 October
6 days later
+2.0 days per decade
Growing days
163 days
156 days
172 days
16 days more
+6.6 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.
Rainfall Return Levels
66 years, 1949 to 2018
A day with at least 82.1 mm (3.2 in) of rain is expected about once in 2 years. A day with at least 148.4 mm (5.8 in) of rain is expected about once in 100 years.
Rainfall return levels at Tillamook: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
82.1 mm (3.2 in)
5 years
102.4 mm (4.0 in)
10 years
114.7 mm (4.5 in)
25 years
129.1 mm (5.1 in)
50 years
139.1 mm (5.5 in)
100 years
148.4 mm (5.8 in)
Longer than the 66 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, 66 years of values from 1949 to 2018.
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: 132.6 mm (5.2 in) in 1982; 128.5 mm (5.1 in) in 2007; 125.0 mm (4.9 in) in 1977.
Station Changes
No change in the annual mean temperature of this station was found against its neighbours.
Download the Data
Data for Tillamook standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Tillamook 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.