Three-Month Temperature Outlook
Issued: May 2018

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

	JJA	JAS	ASO	SON	OND	NDJ	DJF	JFM	FMA	MAM	AMJ	MJJ	JJA
**R	0.9	0.9	0.9	0.9	0.9	0.9	0.9	0.9	0.9	0.9	1.0	0.9	0.9
99%	71.0	71.1	65.8	59.3	51.7	47.2	46.3	49.1	51.8	57.1	61.9	67.4	71.1
98%	70.7	70.8	65.6	58.9	51.2	46.7	45.8	48.6	51.4	56.7	61.5	67.0	70.8
97%	70.4	70.6	65.4	58.6	50.9	46.4	45.5	48.3	51.1	56.4	61.2	66.7	70.5
96%	70.3	70.4	65.3	58.4	50.7	46.2	45.3	48.1	51.0	56.2	61.0	66.5	70.4
95%	70.1	70.3	65.1	58.3	50.5	46.0	45.1	47.9	50.8	56.0	60.8	66.4	70.2
90%	69.7	69.8	64.8	57.7	49.9	45.4	44.5	47.2	50.3	55.5	60.3	65.8	69.8
80%	69.1	69.3	64.3	57.1	49.1	44.6	43.7	46.4	49.7	54.7	59.5	65.2	69.2
70%	68.7	68.9	64.0	56.6	48.6	44.1	43.2	45.8	49.2	54.2	59.0	64.7	68.8
60%	68.3	68.6	63.8	56.2	48.1	43.6	42.7	45.4	48.9	53.8	58.6	64.3	68.4
50%	68.0	68.3	63.5	55.8	47.7	43.2	42.3	44.9	48.5	53.4	58.2	63.9	68.1
40%	67.7	68.0	63.2	55.4	47.3	42.8	41.9	44.4	48.1	53.0	57.8	63.5	67.8
30%	67.3	67.7	63.0	55.0	46.8	42.3	41.4	44.0	47.8	52.6	57.4	63.1	67.4
20%	66.9	67.3	62.7	54.5	46.3	41.8	40.9	43.4	47.3	52.1	56.9	62.6	67.0
10%	66.3	66.8	62.2	53.9	45.5	41.0	40.1	42.6	46.7	51.3	56.1	62.0	66.4
5%	65.9	66.3	61.9	53.3	44.9	40.4	39.5	41.9	46.2	50.8	55.6	61.4	66.0
4%	65.7	66.2	61.7	53.2	44.7	40.2	39.3	41.7	46.0	50.6	55.4	61.3	65.8
3%	65.6	66.0	61.6	53.0	44.5	40.0	39.1	41.5	45.9	50.4	55.2	61.1	65.7
2%	65.3	65.8	61.4	52.7	44.2	39.7	38.8	41.2	45.6	50.1	54.9	60.8	65.4
1%	65.0	65.5	61.2	52.3	43.7	39.2	38.3	40.7	45.2	49.7	54.5	60.4	65.1
*Mean	68.0	68.3	63.5	55.8	47.7	43.2	42.3	44.9	48.5	53.4	58.2	63.9	68.1
StDev	1.3	1.2	1.0	1.5	1.7	1.7	1.7	1.8	1.4	1.6	1.6	1.5	1.3