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StormTracker blog

Mostly sunny and pleasant today with a high near 70*. The wind east/southeast at 5-15 mph. Mostly clear with a low in the mid 40s tonight. Friday looks sunny in the morning, but turning cloudy with some showers moving into the Red River Valley either late afternoon or during the evening hours. Some hit and miss showers and thunderstorms this weekend with high temperatures most days close to 70*.

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January 03, 2013

Temperature   Observed Time Record Year Normal Normal Departure Last Year High 22° 446 PM 40° 1927 18° 4° 38° Low -5° 605 AM -35° 1919 1° -6° 11° Average 9°       10° -1° 25°
Precipitation   Observed Record Year Normal Normal Departure Last Year Precipitation T 0.28 2009 0.03 -0.03 0.00 Month to Date 0.01 0.08     -0.07 T SINCE DEC 1 0.38 0.91     -0.53 0.36 Since Jan. 1 0.01 0.08     -0.07 T
Snow   Observed Record Year Normal Normal Departure Last Year Snowfall 2.8 2009 0.4 0.4 Month to Date 0.1     1.2 1.1 SINCE DEC 1 5.2     2.4 7.2 SINCE JUL 1 13.6     1.0 7.4 Snow Depth
Degree Days Heating   Observed Normal Normal Departure Last Year Heating 56 55 1 40 Month to Date 165 165 0 140 SINCE DEC 1 1716 1743 -27 1364 SINCE JUL 1 3625 3705 -80 2910
Degree Days Cooling   Observed Normal Normal Departure Last Year Cooling 0 0 0 0 Month to Date 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 0 0 0 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: 0.3 Conditions LIGHT SNOW HAZE	Climate Normals for Today   Average Record Year Temperature High 18° 41° 2012 Temperature Low 1° -43° 1884     January 04 2013 Sunrise 812 AM CST Sunset 453 PM CST January 05 2013 Sunrise 812 AM CST Sunset 454 PM CST
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.