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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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March 26, 2013

Temperature   Observed Time Record Year Normal Normal Departure Last Year High 26° 417 PM 68° 1946 42° -16° 53° Low 1° 534 AM -12° 1996 24° -23° 36° Average 14°       33° -19° 45°
Precipitation   Observed Record Year Normal Normal Departure Last Year Precipitation 0.00 1.07 1950 0.05 -0.05 T Month to Date 1.38 1.09     0.29 0.46 SINCE MAR 1 1.38 1.09     0.29 0.46 Since Jan. 1 3.57 2.40     1.17 1.99
Snow   Observed Record Year Normal Normal Departure Last Year Snowfall 0.0 3.4 1972 0.2 0.2 Month to Date 14.6     8.2 6.4 SINCE MAR 1 14.6     8.2 6.4 SINCE JUL 1 51.7     6.2 5.5 Snow Depth
Degree Days Heating   Observed Normal Normal Departure Last Year Heating 51 32 19 20 Month to Date 1286 1001 285 633 SINCE MAR 1 1286 1001 285 633 SINCE JUL 1 7877 7679 198 6060
Degree Days Cooling   Observed Normal Normal Departure Last Year Cooling 0 0 0 0 Month to Date 0 0 0 6 SINCE MAR 1 0 0 0 6 SINCE JAN 1 0 0 0 6
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: 0.0 Conditions FOG HAZE	Climate Normals for Today   Average Record Year Temperature High 43° 78° 1946 Temperature Low 24° -7° 1964     March 27 2013 Sunrise 716 AM CDT Sunset 750 PM CDT March 28 2013 Sunrise 714 AM CDT Sunset 751 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.