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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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November 13, 2012

Temperature   Observed Time Record Year Normal Normal Departure Last Year High 33° 606 PM 65° 1999 39° -6° 45° Low 14° 252 AM -11° 1919 22° -8° 32° Average 24°       30° -6° 39°
Precipitation   Observed Record Year Normal Normal Departure Last Year Precipitation 0.00 0.42 1906 0.03 -0.03 0.00 Month to Date 0.39 0.48     -0.09 0.07 SINCE SEP 1 2.73 5.20     -2.47 1.24 Since Jan. 1 13.95 21.26     -7.31 23.40
Snow   Observed Record Year Normal Normal Departure Last Year Snowfall 0.0 3.6 1906 0.3 0.3 Month to Date 2.2     2.3 0.1 SINCE SEP 1 5.8     3.0 2.8 SINCE JUL 1 5.8     3.0 2.8 Snow Depth
Degree Days Heating   Observed Normal Normal Departure Last Year Heating 41 35 6 26 Month to Date 413 403 10 313 SINCE SEP 1 1272 1229 43 929 SINCE JUL 1 1290 1279 11 930
Degree Days Cooling   Observed Normal Normal Departure Last Year Cooling 0 0 0 0 Month to Date 0 0 0 0 SINCE SEP 1 50 46 4 95 SINCE JAN 1 795 551 244 694
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: 0.5 Conditions FOG	Climate Normals for Today   Average Record Year Temperature High 38° 66° 1939 Temperature Low 21° -9° 1919     November 14 2012 Sunrise 730 AM CST Sunset 453 PM CST November 15 2012 Sunrise 731 AM CST Sunset 452 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.