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Becoming mostly sunny today with a high near 69*, the wind north/northeast at 10-25 mph. Clear and chilly tonight with a low near 45*. Some areas of fog overnight. Thursday looks sunny with a high in the low 70s. Scattered showers or thunderstorms this weekend, but the precipitation does not look to be widespread or consistent like what we experienced the past few days.

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May 21, 2013

Temperature   Observed Time Record Year Normal Normal Departure Last Year High 55° 1255 AM 98° 1964 71° -16° 82° Low 49° 1159 PM 25° 1963 47° 2° 46° Average 52°       59° -7° 64°
Precipitation   Observed Record Year Normal Normal Departure Last Year Precipitation 0.29 1.06 1905 0.10 0.19 T Month to Date 2.42 1.81     0.61 0.28 SINCE MAR 1 5.97 4.50     1.47 2.16 Since Jan. 1 8.16 5.81     2.35 3.69
Snow   Observed Record Year Normal Normal Departure Last Year Snowfall 0.0 0.1 1963 0.0 0.0 Month to Date 0.0     0.0 0.0 SINCE MAR 1 31.3     2.4 8.9 SINCE JUL 1 68.4     0.4 8.0 Snow Depth
Degree Days Heating   Observed Normal Normal Departure Last Year Heating 13 7 6 1 Month to Date 221 213 8 98 SINCE MAR 1 2622 1991 631 1320 SINCE JUL 1 9213 8669 544 6747
Degree Days Cooling   Observed Normal Normal Departure Last Year Cooling 0 1 -1 0 Month to Date 21 17 4 36 SINCE MAR 1 21 20 1 42 SINCE JAN 1 21 20 1 42
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: 1.0 Conditions RAIN LIGHT RAIN FOG	Climate Normals for Today   Average Record Year Temperature High 71° 93° 2012 Temperature Low 47° 21° 1963     May 22 2013 Sunrise 544 AM CDT Sunset 904 PM CDT May 23 2013 Sunrise 543 AM CDT Sunset 905 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.