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For Wednesday night, it will be mostly clear, with a few light showers up near Lake of the Woods. Grand Forks Low near 55`. Wind southeast 5-15 mph. Thursday will turn partly cloudy and quite warm. High near 87`. Wind southeast 10-25 mph. Friday will be partly cloudy with temperatures reaching to around 92`. John Wheeler

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May 15, 2012

Temperature   Observed Time Record Year Normal Normal Departure Last Year High 66° 319 PM 97° 1987 68° -2° 69° Low 42° 1008 PM 27° 1946 41° 1° 34° Average 54°       54° 0° 52°
Precipitation   Observed Record Year Normal Normal Departure Last Year Precipitation 0.00 1.06 1985 0.08 -0.08 0.00 Month to Date 0.47 1.16     -0.69 0.50 SINCE MAR 1 3.67 3.13     0.54 3.66 Since Jan. 1 4.56 4.20     0.36 4.55
Snow   Observed Record Year Normal Normal Departure Last Year Snowfall 0.0 M 0.0 0.0 Month to Date 0.0     0.1 0.1 SINCE MAR 1 5.9     0.2 4.3 SINCE JUL 1 22.8     7.4 4.6 Snow Depth
Degree Days Heating   Observed Normal Normal Departure Last Year Heating 11 11 0 13 Month to Date 112 200 -88 225 SINCE MAR 1 1501 2128 -627 2344 SINCE JUL 1 7338 9278 -1940 9612
Degree Days Cooling   Observed Normal Normal Departure Last Year Cooling 0 0 0 0 Month to Date 3 0 3 0 SINCE MAR 1 3 1 2 0 SINCE JAN 1 3 1 2 0
Wind   Observed Highest Speed 3 Highest Direction 3 Highest Gust Speed 3 Highest Guest Direction 3	Relative Humidity   Observed Time Highest 3 3 Lowest 3 3 Average 3
Forecast Skycover POSSIBLE SUNSHINE: MM AVERAGE SKY COVER: 0.4 Conditions NO SIGNIFICANT WEATHER WAS OBSERVED.	Climate Normals for Today   Average Record Year Temperature High 68° 87° 1984 Temperature Low 42° 25° 1983     May 16 2012 Sunrise 548 AM CDT Sunset 903 PM CDT May 17 2012 Sunrise 547 AM CDT Sunset 904 PM CDT
Source: National Weather Service Climate Report

Wind (mph)	Temperature (Fahrenheit)
0	35°	30°	25°	20°	15°	10°	5°	0°	-5°	-10°	-15°	-20°	-25°	-30°	-35°	-40°	-45°
5	31	25	9	13	7	-1	-5	-11	-16	-22	-28	-34	-40	-46	-52	-57	-72
10	27	21	15	9	3	-4	-10	-16	-22	-28	-35	-41	-47	-53	-59	-66	-77
15	25	19	13	6	0	-7	-13	-19	-26	-35	-39	-45	-51	-58	-64	-71	-81
20	24	17	11	4	-2	-9	-15	-22	-29	-35	-37	-44	-55	-61	-68	-74	-84
25	23	16	9	3	-4	-11	-17	-24	-31	-37	-44	-51	-58	-64	-71	-78	-87
30	22	15	8	1	-5	-12	-19	-26	-33	-39	-46	-53	-60	-67	-73	-80	-89
35	21	14	7	0	-7	-14	-21	-28	-34	-41	-48	-55	-62	-69	-76	-82	-91
40	20	13	6	-1	-8	-15	-22	-29	-36	-43	-50	-57	-64	-71	-78	-84	-93
45	19	12	5	-2	-9	-16	-23	-30	-37	-44	-51	-58	-65	-72	-79	-86	-93
50	19	12	4	-3	-10	-17	-24	-31	-38	-45	-52	-60	-67	-74	-81	-89	-95
55	18	11	4	-3	-11	-18	-25	-32	-39	-46	-54	-61	-68	-75	-82	-89	-97
60	17	10	3	-4	-11	-19	-26	-33	-40	-48	-55	-62	-69	-76	-84	-91	-98

	Increasing Danger (Frostbite in 30 min.)
	Heightened Danger (Frostbite in 10 min.)
	Great Danger (Frostbite in 5 min.)

Differences Between the new and old systems

• Wind speed is now calculated for 5 feet off the ground. Wind speed was previously based on observations at 33 feet.
• The calm wind threshold was lowered to 3mph.
• A consistent standard for skin tissue resistance is now in use.
• Measurements are based on how wind affects the human face, typically the most exposed portion of the body.
• The table incorporates the theory that heat is lost from the body depending on its surroundings
• The sun's impact is not factored into the wind chill temperature formula.