Never base important decisions that could result in harm to people or property on this weather information.

Almanac
Last Update: (May 19, 2013 2:00:00 AM (Mountain))
Today - Sunday, May 19, 2013
  Current High Low
Temperature 54°F (12°C) ↓ 58° 12:00 AM 54° 1:58 AM
Temperature Normals1   73.0° 43.0°
Temperature Records2   93° 2009 31° 1983
Dew Point 38°F (3°C) ↓ 42° 12:17 AM 37° 1:51 AM
Humidity 54% ↓ 57% 12:58 AM 52% 1:51 AM
Wind Gust W 3 mph W 8 1:12 AM S 0 12:00 AM
Wind Speed W 0 mph ↓
Calm (0)
W 5 1:10 AM S 0 12:00 AM
Precipitation 0.00" (0.00 mm) 3
Last 24 hours 0.00"
0.00"4 12:00 AM 0.00"4 12:00 AM
Barometer 29.83" (1010.3 mb)
Steady
29.85" 12:00 AM 29.83" 1:08 AM
Wind Chill Gust 54°F (12°C) 58° 12:00 AM 54° 1:12 AM
Wind Chill Avg 54°F (12°C) 58° 12:00 AM 54° 1:58 AM
Heat Index 54°F (12°C) 57° 12:00 AM 54° 1:39 AM
1 30 year normals obtained from COOP station ID 055116.
2 Records prior 2006 from Longmont Daily Times-Call.
3 Daily total rainfall.
4 Maximum and minimum rainfall are the instantaneous rainfall rates.
Yesterday - Saturday, May 18, 2013
  Maximum Minimum Mean/Total
Temperature 78°F 4:01 PM 46°F 3:24 AM 62.1°
Dew Point 48°F 10:35 AM 32°F 2:25 PM 40.4°
Humidity 77% 3:14 AM 21% 2:25 PM 47.0%
Wind Gust WNW 32 mph 5:34 PM WNW 0 mph 12:00 AM 3.1 285°
Wind Speed W 20 mph 5:36 PM WNW 0 mph 12:00 AM  
Barometer 29.91" 9:05 AM 29.76" 5:17 PM 29.835
Wind Chill Gust 78°F 4:01 PM 42°F 4:05 AM 62.5°
Wind Chill Avg 78°F 4:01 PM 44°F 3:39 AM  
Heat Index 74°F 1:12 PM 46°F 3:05 AM 61.1°
Degree Days Heating (Base 65°F): 3
Cooling (Base 65°F): 0
 
Precipitation     0.00"
One Year Ago Today - May 19, 2012
  Maximum Minimum Mean/Total
Temperature 62°F 3:19 PM 45°F 11:44 PM 53.8°
Dew Point 49°F 5:46 PM 40°F 4:16 PM 43.7°
Humidity 85% 11:52 PM 47% 3:53 PM 69.4%
Wind Gust NNW 22 mph 7:39 AM NE 0 mph 12:04 AM 3.8 17°
Wind Speed N 16 mph 7:39 AM NNE 0 mph 5:56 AM  
Barometer 30.14" 11:33 PM 29.78" 12:00 AM 30.015
Wind Chill Gust 62°F 3:19 PM 43°F 11:12 PM 52.9°
Wind Chill Avg 62°F 3:19 PM 44°F 7:39 AM  
Heat Index 62°F 3:18 PM 45°F 11:02 PM 53.3°
Degree Days Heating (Base 65°F): 11
Cooling (Base 65°F): 0
 
Precipitation     0.03"
Month to Date
  Maximum Minimum Mean/Total
Temperature 88°F on May 14 12:38 PM 21°F on May 2 7:11 AM Mean 55.9°
Dew Point 58°F on May 16 11:14 AM 16°F on May 2 2:56 PM Mean 39.7°
Humidity 90% on May 1 8:34 AM 14% on May 17 2:35 PM Mean 59.2%
Wind Gust WNW 32 mph on May 18 5:34 PM NW 0 mph on May 1 12:40 AM Mean 5° 2.6
Wind Speed NW 23 mph on May 15 4:43 PM N 0 mph on May 1 6:26 AM  
Barometer 30.56" on May 2 7:51 AM 29.73" on May 17 6:58 PM Mean 30.065"
Wind Chill Gust   21°F on May 2 7:11 AM  
Wind Chill Avg   21°F on May 2 7:11 AM Mean 55.2°
Heat Index 85°F on May 14 2:50 PM   Mean 54.7°
Precipitation     Total 0.96"
# Days Temperature > 90°F     0
# Days Temperature < 0°F     0
Year to Date
  Maximum Minimum Mean/Total
Temperature 88°F on May 14 12:38 PM -5°F on Jan 15 4:03 AM Mean 40.0°
Dew Point 58°F on May 16 11:14 AM -10°F on Jan 15 4:03 AM Mean 25.0°
Humidity 94% on Feb 21 10:30 PM 8% on Feb 17 11:48 AM Mean 61.1%
Wind Gust NNW 47 mph on Apr 8 4:54 PM NNE 0 mph on Jan 1 12:00 AM Mean 17° 3.1
Wind Speed NNW 37 mph on Apr 8 4:55 PM NNE 0 mph on Jan 1 12:00 AM  
Barometer 30.56" on May 2 7:51 AM 29.33" on Jan 11 6:13 AM Mean 29.980"
Wind Chill Gust   -9°F on Jan 15 4:09 AM  
Wind Chill Avg   -5°F on Jan 15 4:03 AM Mean 37.7°
Heat Index 85°F on May 14 2:50 PM   Mean 38.6°
Precipitation     Total 3.13"
# Days Temperature > 90°F     0
# Days Temperature < 0°F     4
Station Records
  Maximum Minimum
Temperature 103°F on Jun 25, 2012 3:27 PM -19°F on Dec 15, 2008 7:02 AM
Dew Point 70°F on Jul 25, 2008 3:47 PM -34°F on Mar 14, 2012 6:03 PM
Humidity 96% on Jan 29, 2010 12:03 PM 0% on Mar 26, 2012 2:52 PM
Wind Gust N 69 mph on Feb 16, 2007 3:30 PM SSW 0 mph on Oct 1, 2006 12:11 AM
Wind Speed NNW 45 mph on Feb 16, 2007 3:33 PM SSE 0 mph on Oct 1, 2006 2:36 AM
Barometer 30.63" on Oct 26, 2008 7:46 PM 29.15" on May 21, 2008 6:18 PM
Wind Chill Gust   -44°F on Dec 29, 2007 12:46 AM
Wind Chill Avg   -44°F on Dec 29, 2007 12:47 AM
Heat Index 99°F on Aug 13, 2007 10:40 AM  
Records begin 10/01/06.
Extremes are the first of multiple occurrences.
Personal Weather Station data generated by WxSolution Version 1.8.5.8, Build 2012.05.03.