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Conditions: Overcast
Temp: 45°
Wind: Southeast 15
Pressure: 0
Dewpoint: 29°
Relative Humidity: 54

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Seven Day Forecast

Good Morning! Today's going to be a rainy and windy day, so make sure to grab that umbrella. Rain will be likely during the morning, then become more scattered for the afternoon. High near 50*, with a southeast wind at 20-35 mph. The rain shower will end during the night, and the wind will diminish. Low near 41*, with a south/southeast wind at 10-20 mph.

Scattered showers will be possible on Thursday and Friday. Temperatures will be close to 60 on Thursday, but will fall into the 50s for Friday and Saturday. The only dry day looks to be Saturday, as more rain showers will move in late Sunday, and will continue into Monday. Temperatures will be even cooler, with highs in the 40s.

Have a great day!
-Meteorologist Aaron White


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This is the view looking north from the WDAZ studio at 2220 South Washington in Grand Forks, ND.

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T  indicates trace amount

December 10, 2012

Temperature

  Observed Time Record Year Normal Normal Departure Last Year
High 15° 330 PM 47° 1974 22° -7° 38°
Low -13° 123 AM -28° 1977 -17° 10°
Average       13° -12° 24°

Precipitation

  Observed Record Year Normal Normal Departure Last Year
Precipitation T 0.18 1986 0.02 -0.02 0.00
Month to Date 0.19 0.20     -0.01 T
SINCE DEC 1 0.19 0.20     -0.01 T
Since Jan. 1 16.96 20.40     -3.44 19.07

Snow

  Observed Record Year Normal Normal Departure Last Year
Snowfall 0.1 2.2 1956 0.3 0.2
Month to Date 1.9     3.3 1.4
SINCE DEC 1 1.9     3.3 1.4
SINCE JUL 1 11.6     2.5 0.9
Snow Depth          

Degree Days Heating

  Observed Normal Normal Departure Last Year
Heating 64 52 12 41
Month to Date 456 500 -44 471
SINCE DEC 1 456 500 -44 471
SINCE JUL 1 2584 2699 -115 2164

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 1 572 379 193 538

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 LIGHT SNOW
FOG
HAZE

Climate Normals for Today

  Average Record Year
Temperature High 21° 49° 2002
Temperature Low -25° 1945
   
December 11 2012
Sunrise 809 AM CST
Sunset 436 PM CST
December 12 2012
Sunrise 810 AM CST
Sunset 436 PM CST

Source: National Weather Service Climate Report

Wind
(mph)
Temperature (Fahrenheit)
0 35° 30° 25° 20° 15° 10° -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.