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Home > Climate > NWS Seattle > Climate Prediction > Local Temperature Outlook

Three-Month Temperature Outlook (Issued: April 2013)

National Outlook Local Outlook Background Information Questions and Feedback
SEATTLE TACOMA AP, WA
KING County, Coop ID: 457473
Elevation: 370 ft.
Latitude: 47° 26' N Longitude: 122° 18' W 		NOAA Online Weather Data Help

Probability of Exceedance Table
  MJJ JJA JAS ASO SON OND NDJ DJF JFM FMA MAM AMJ MJJ
**R 1.0 1.0 0.9 0.9 1.0 1.0 0.9 0.9 1.0 1.0 1.0 1.0 1.0
99% 57.5 61.5 61.9 58.0 50.2 43.0 39.1 38.0 39.3 43.2 47.3 52.2 57.5
98% 57.9 61.8 62.2 58.3 50.5 43.4 39.5 38.5 39.9 43.6 47.7 52.6 57.9
97% 58.2 62.0 62.4 58.4 50.8 43.7 39.8 38.8 40.2 43.9 48.0 52.9 58.2
96% 58.3 62.2 62.6 58.5 50.9 43.8 40.0 39.0 40.5 44.1 48.2 53.1 58.3
95% 58.5 62.3 62.7 58.6 51.1 44.0 40.1 39.2 40.7 44.3 48.4 53.2 58.5
90% 59.0 62.8 63.1 58.9 51.5 44.5 40.7 39.8 41.4 44.8 48.9 53.8 59.0
80% 59.6 63.3 63.6 59.3 52.1 45.1 41.3 40.6 42.3 45.6 49.7 54.4 59.6
70% 60.1 63.7 63.9 59.6 52.5 45.6 41.8 41.1 43.0 46.1 50.2 54.9 60.1
60% 60.4 64.0 64.2 59.9 52.9 45.9 42.2 41.6 43.5 46.5 50.6 55.3 60.4
50% 60.8 64.3 64.5 60.1 53.2 46.3 42.6 42.0 44.0 46.9 51.0 55.7 60.8
40% 61.2 64.6 64.8 60.3 53.5 46.7 43.0 42.4 44.5 47.3 51.4 56.1 61.2
30% 61.5 64.9 65.1 60.6 53.9 47.0 43.4 42.9 45.0 47.7 51.8 56.5 61.5
20% 62.0 65.3 65.4 60.9 54.3 47.5 43.9 43.4 45.7 48.2 52.3 57.0 62.0
10% 62.6 65.8 65.9 61.3 54.9 48.1 44.5 44.2 46.6 49.0 53.1 57.6 62.6
5% 63.1 66.3 66.3 61.6 55.3 48.6 45.1 44.8 47.3 49.5 53.6 58.2 63.1
4% 63.3 66.4 66.4 61.7 55.5 48.8 45.2 45.0 47.5 49.7 53.8 58.3 63.3
3% 63.4 66.6 66.6 61.8 55.6 48.9 45.4 45.2 47.8 49.9 54.0 58.5 63.4
2% 63.7 66.8 66.8 61.9 55.9 49.2 45.7 45.5 48.1 50.2 54.3 58.8 63.7
1% 64.1 67.1 67.1 62.2 56.2 49.6 46.1 46.0 48.7 50.6 54.7 59.2 64.1
*Mean 60.8 64.3 64.5 60.1 53.2 46.3 42.6 42.0 44.0 46.9 51.0 55.7 60.8
StDev 1.4 1.2 1.1 0.9 1.3 1.4 1.5 1.7 2.0 1.6 1.6 1.5 1.4

Color
Legend		Deviation from
Climatology
(deg F)
 < -2.5
 -2.0 thru -2.5
 -1.5 thru -2.0
 -1.0 thru -1.5
Color
Legend		Deviation from
Climatology
(deg F)
 -0.5 thru -1.0
 -0.5 > deg F < 0.5
 0.5 thru 1.0
 1.0 thru 1.5
Color
Legend		Deviation from
Climatology
(deg F)
 1.5 thru 2.0
 2.0 thru 2.5
 > 2.5
Table Text Only

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Probability of Exceedance
Probability of Exceedance 		Three Category Calendar
Three Category Calendar
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