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Almanac
Last Update: (September 24, 2017 10:00:00 PM (Mountain))
Today - Sunday, September 24, 2017
  Current High Low
Temperature 49F (9C) ↑ 51 12:58 PM 46 12:35 AM
Temperature Normals1   76.0 41.0
Temperature Records2   89 1954 24 1995
Dew Point 45F (7C) ↑ 47 12:56 PM 42 12:35 AM
Humidity 88% 89% 8:00 AM 82% 2:31 PM
Wind Gust N 6 mph NE 13 2:04 PM S 0 12:06 AM
Wind Speed N 3 mph ↑
Light air (1)
NE 8 2:06 PM SSE 0 12:36 AM
Precipitation 0.06" (1.52 mm) 3
Last 24 hours 0.06"
0.00"4 12:00 AM 0.00"4 12:00 AM
Barometer 30.04" (1017.2 mb)
Steady
30.04" 9:42 PM 29.95" 5:22 AM
Wind Chill Gust 47F (9C) 51 12:56 PM 43 1:14 AM
Wind Chill Avg 49F (9C) 51 12:56 PM 44 1:16 AM
Heat Index 48F (9C) 50 12:53 PM 46 12:00 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 - N, September 23, 2017
  Maximum Minimum Mean/Total
Temperature 54F 12:02 AM 46F 10:06 PM 49.8
Dew Point 45F 5:36 PM 38F 1:14 AM 41.9
Humidity 87% 7:07 PM 56% 12:06 AM 75.3%
Wind Gust NE 15 mph 7:02 PM N 0 mph 12:02 AM 3.0 28
Wind Speed NE 9 mph 6:55 PM N 0 mph 2:49 AM  
Barometer 30.01" 8:02 AM 29.92" 3:21 PM 29.970
Wind Chill Gust 54F 12:02 AM 41F 7:02 PM 48.8
Wind Chill Avg 54F 12:02 AM 43F 7:09 PM  
Heat Index 53F 12:00 AM 46F 7:01 PM 49.1
Degree Days Heating (Base 65F): 15
Cooling (Base 65F): 0
 
Precipitation     0.54"
One Year Ago Today - September 24, 2016
  Maximum Minimum Mean/Total
Temperature 70F 3:15 PM 41F 7:06 AM 55.5
Dew Point 42F 9:49 AM 28F 1:01 PM 35.2
Humidity 85% 7:35 AM 21% 1:01 PM 50.7%
Wind Gust W 23 mph 5:30 PM W 0 mph 12:00 AM 2.1 306
Wind Speed W 13 mph 5:32 PM W 0 mph 12:00 AM  
Barometer 30.24" 11:56 PM 29.92" 12:00 AM 30.036
Wind Chill Gust 70F 3:15 PM 41F 7:06 AM 55.6
Wind Chill Avg 70F 3:15 PM 41F 7:06 AM  
Heat Index 69F 12:34 PM 41F 6:06 AM 55.4
Degree Days Heating (Base 65F): 9
Cooling (Base 65F): 0
 
Precipitation     0.00"
Month to Date
  Maximum Minimum Mean/Total
Temperature 96F on Sep 3 2:54 PM 42F on Sep 21 6:40 AM Mean 65.4
Dew Point 59F on Sep 1 10:32 AM 13F on Sep 19 2:05 PM Mean 44.7
Humidity 89% on Sep 17 7:46 AM 7% on Sep 19 2:05 PM Mean 54.2%
Wind Gust NNE 30 mph on Sep 15 8:31 PM NW 0 mph on Sep 1 12:00 AM Mean 46 2.4
Wind Speed NNE 19 mph on Sep 19 6:11 PM SSE 0 mph on Sep 1 12:00 AM  
Barometer 30.37" on Sep 5 7:38 AM 29.61" on Sep 19 4:09 PM Mean 30.030"
Wind Chill Gust   39F on Sep 21 5:41 AM  
Wind Chill Avg   40F on Sep 21 5:42 AM Mean 64.2
Heat Index 91F on Sep 3 2:23 PM   Mean 63.0
Precipitation     Total 0.73"
# Days Temperature > 90F     3
# Days Temperature < 0F     0
Year to Date
  Maximum Minimum Mean/Total
Temperature 98F on Jul 19 3:45 PM -17F on Jan 6 6:39 AM Mean 55.8
Dew Point 66F on Jul 27 11:29 AM -35F on Feb 16 4:46 PM Mean 36.1
Humidity 89% on Feb 4 4:47 AM 1% on Feb 16 2:01 PM Mean 54.5%
Wind Gust S 46 mph on Mar 23 3:03 PM ESE 0 mph on Jan 1 12:00 AM Mean 9 2.6
Wind Speed NNW 29 mph on Apr 21 10:55 AM ESE 0 mph on Jan 1 12:00 AM  
Barometer 30.44" on Feb 12 8:31 AM 29.40" on Mar 6 5:35 AM Mean 30.007"
Wind Chill Gust   -29F on Jan 6 6:27 AM  
Wind Chill Avg   -26F on Jan 6 6:21 AM Mean 54.5
Heat Index 95F on Jul 19 3:38 PM   Mean 54.2
Precipitation     Total 10.03"
# Days Temperature > 90F     31
# Days Temperature < 0F     3
Station Records
  Maximum Minimum
Temperature 103F on Jun 25, 2012 3:27 PM -19F on Dec 15, 2008 7:02 AM
Dew Point 70F on Jul 25, 2008 3:47 PM -79F on Dec 5, 2013 7:44 AM
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 30.68" on Jan 7, 2015 9:06 AM 29.15" on May 21, 2008 6:18 PM
Wind Chill Gust   -44F on Dec 29, 2007 12:46 AM
Wind Chill Avg   -32F on Dec 29, 2007 12:47 AM
Heat Index 99F 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 1.9.0.4, Build 2017.01.01.