Three-Month Temperature Outlook
Issued: September 2017

PORTLAND INTL AP, OR
MULTNOMAH County, Coop ID: 356751 Elevation: 19 ft. Latitude: 45° 35' N Longitude: 122° 36' W

	OND	NDJ	DJF	JFM	FMA	MAM	AMJ	MJJ	JJA	JAS	ASO	SON	OND
**R	0.9	0.9	0.9	0.9	0.9	0.9	1.0	0.9	0.9	0.9	0.9	0.9	0.9
99%	51.5	46.8	45.8	48.7	51.5	56.6	61.7	67.5	70.7	70.8	65.6	59.2	51.5
98%	51.0	46.3	45.3	48.2	51.1	56.2	61.3	67.1	70.4	70.5	65.4	58.8	51.0
97%	50.7	46.0	45.0	47.9	50.8	55.9	61.0	66.8	70.1	70.3	65.2	58.5	50.7
96%	50.5	45.8	44.8	47.7	50.7	55.7	60.8	66.6	70.0	70.1	65.1	58.3	50.5
95%	50.3	45.6	44.6	47.5	50.5	55.5	60.6	66.5	69.8	70.0	64.9	58.2	50.3
90%	49.7	45.0	44.0	46.8	50.0	55.0	60.1	65.9	69.4	69.5	64.6	57.6	49.7
80%	48.9	44.2	43.2	46.0	49.4	54.2	59.3	65.3	68.8	69.0	64.1	57.0	48.9
70%	48.4	43.7	42.7	45.4	48.9	53.7	58.8	64.8	68.4	68.6	63.8	56.5	48.4
60%	47.9	43.2	42.2	45.0	48.6	53.3	58.4	64.4	68.0	68.3	63.6	56.1	47.9
50%	47.5	42.8	41.8	44.5	48.2	52.9	58.0	64.0	67.7	68.0	63.3	55.7	47.5
40%	47.1	42.4	41.4	44.0	47.8	52.5	57.6	63.6	67.4	67.7	63.0	55.3	47.1
30%	46.6	41.9	40.9	43.6	47.5	52.1	57.2	63.2	67.0	67.4	62.8	54.9	46.6
20%	46.1	41.4	40.4	43.0	47.0	51.6	56.7	62.7	66.6	67.0	62.5	54.4	46.1
10%	45.3	40.6	39.6	42.2	46.4	50.8	55.9	62.1	66.0	66.5	62.0	53.8	45.3
5%	44.7	40.0	39.0	41.5	45.9	50.3	55.4	61.5	65.6	66.0	61.7	53.2	44.7
4%	44.5	39.8	38.8	41.3	45.7	50.1	55.2	61.4	65.4	65.9	61.5	53.1	44.5
3%	44.3	39.6	38.6	41.1	45.6	49.9	55.0	61.2	65.3	65.7	61.4	52.9	44.3
2%	44.0	39.3	38.3	40.8	45.3	49.6	54.7	60.9	65.0	65.5	61.2	52.6	44.0
1%	43.5	38.8	37.8	40.3	44.9	49.2	54.3	60.5	64.7	65.2	61.0	52.2	43.5
*Mean	47.5	42.8	41.8	44.5	48.2	52.9	58.0	64.0	67.7	68.0	63.3	55.7	47.5
StDev	1.7	1.7	1.7	1.8	1.4	1.6	1.6	1.5	1.3	1.2	1.0	1.5	1.7