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

Three-Month Temperature Outlook (Issued: May 2013)

National Outlook Local Outlook Background Information Questions and Feedback
PORTLAND INTL AP, OR
MULTNOMAH County, Coop ID: 356751
Elevation: 19 ft.
Latitude: 45° 35' N Longitude: 122° 36' W 		NOAA Online Weather Data Help

Probability of Exceedance Curve  
Probability of Exceedance Curve
64.5°F at 99% 64.9°F at 98% 65.1°F at 97% 65.2°F at 96% 65.4°F at 95% 65.8°F at 90% 66.4°F at 80% 66.8°F at 70% 67.1°F at 60% 67.4°F at 50% 67.8°F at 40% 68.1°F at 30% 68.5°F at 20% 69.1°F at 10% 69.5°F at 5% 69.6°F at 4% 69.8°F at 3% 70°F at 2% 70.4°F at 1% 64.5°F at 99% 64.8°F at 98% 65.1°F at 97% 65.2°F at 96% 65.4°F at 95% 65.8°F at 90% 66.4°F at 80% 66.8°F at 70% 67.2°F at 60% 67.5°F at 50% 67.8°F at 40% 68.2°F at 30% 68.6°F at 20% 69.2°F at 10% 69.6°F at 5% 69.8°F at 4% 69.9°F at 3% 70.2°F at 2% 70.5°F at 1% 64.5°F at 99% 64.9°F at 98% 65.1°F at 97% 65.2°F at 96% 65.4°F at 95% 65.8°F at 90% 66.4°F at 80% 66.8°F at 70% 67.1°F at 60% 67.4°F at 50% 67.8°F at 40% 68.1°F at 30% 68.5°F at 20% 69.1°F at 10% 69.5°F at 5% 69.6°F at 4% 69.8°F at 3% 70°F at 2% 70.4°F at 1% 64.5°F at 99% 64.8°F at 98% 65.1°F at 97% 65.2°F at 96% 65.4°F at 95% 65.8°F at 90% 66.4°F at 80% 66.8°F at 70% 67.2°F at 60% 67.5°F at 50% 67.8°F at 40% 68.2°F at 30% 68.6°F at 20% 69.2°F at 10% 69.6°F at 5% 69.8°F at 4% 69.9°F at 3% 70.2°F at 2% 70.5°F at 1%
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Customized Confidence Interval Worksheet

If you want to be
%
Confident
You may then expect the average temperature during this 3-month period to be between
64.2 and 70.8 °F

Note: If only one POE curve is shown, the forecast is equal to 1971-2000 observed.

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PoE Table
PoE Table 		Three Category Calendar
Three Category Calendar 		Temperature Range
Temperature Range
Portland Weather Forecast Office
5241 NE 122nd Avenue
Portland, OR 97230-1089
Tel: (503) 261-9246
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Page last modified: 21-Jun-2007 2:25 PM
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