Local Climate Change: 47.42 N, 121.97 W

Country:	United States
Latitude:	47.4179 N
Longitude:	121.9737 W
Nearby Cities:	Seattle, Tacoma, Bellevue, Everett, Kent, Federal Way

Climate Stripes

Mean Rate of Change ( °C / Century )

Since:	1760	1810	1860	1910	1960	1990
Current Location	-	-	0.60 ± 0.22	0.77 ± 0.11	1.41 ± 0.21	-1.27 ± 0.67
Washington	-	-	0.63 ± 0.22	0.84 ± 0.09	1.40 ± 0.22	-0.54 ± 0.41
Contiguous United States	-	0.66 ± 0.25	0.76 ± 0.18	0.87 ± 0.08	2.16 ± 0.16	2.76 ± 0.36
United States	-	0.69 ± 0.24	0.80 ± 0.16	0.89 ± 0.08	2.36 ± 0.13	2.42 ± 0.39
North America	-	0.82 ± 0.23	1.02 ± 0.18	1.11 ± 0.11	2.90 ± 0.19	4.72 ± 0.28
Northern Hemisphere	-	0.79 ± 0.16	0.96 ± 0.10	1.19 ± 0.05	2.56 ± 0.20	3.56 ± 0.20
Global Land	0.43 ± 0.18	0.79 ± 0.13	0.91 ± 0.08	1.11 ± 0.03	2.16 ± 0.11	2.78 ± 0.13

Temperature Record Months and Years

Seasonal Changes

Local Climate Variabiity

Difference from Global Land Average ( °C, 95% range )

Smoothing	Monthly	Annual	Five-year	Ten-year	Twenty-year
	± 2.54	± 1.02	± 0.53	± 0.37	± 0.24

Correlation to Global Land Average (R value)

Smoothing	Monthly	Annual	Five-year	Ten-year	Twenty-year
	0.36	0.61	0.81	0.90	0.96

Variability in Monthly Means ( °C, 95% range )

Jan	Feb	Mar	Apr	May	Jun
± 3.91	± 3.44	± 2.67	± 2.15	± 2.24	± 2.08
Jul	Aug	Sep	Oct	Nov	Dec
± 1.90	± 1.79	± 1.92	± 1.82	± 2.74	± 3.07

History of Temperature Stations

Evolution of Climate Extremes

Mean of Daily High Temperature

Mean of Daily Low Temperature

Change in Diurnal Range