Helena, MT

9:58 PM MST on December 14, 2017 (GMT -0700)
Helena Regional

Weather History for KHLN - May, 2013

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Wednesday, May 22, 2013

  Actual Average Record
Temperature  
Mean Temperature 54 °F 56 °F  
Max Temperature 63 °F 69 °F 86 °F (2001)
Min Temperature 44 °F 43 °F 31 °F (1947)
Degree Days  
Heating Degree Days 11 10  
Month to date heating degree days 220 275  
Since 1 July heating degree days 6911 7329  
Cooling Degree Days 0 0  
Month to date cooling degree days 7 0  
Year to date cooling degree days 7 0  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 39 °F    
Average Humidity 63    
Maximum Humidity 86    
Minimum Humidity 39    
Precipitation  
Precipitation 0.39 in 0.07 in 0.96 in (2002)
Month to date precipitation 0.89 1.19  
Year to date precipitation 2.43 3.42  
Snow  
Snow 0.00 in 0.00 in 7.30 in (1881)
Month to date snowfall 0.0 0.8  
Since 1 July snowfall 39.7 38.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.77 in    
Wind  
Wind Speed 11 mph (East)    
Max Wind Speed 30 mph    
Max Gust Speed 38 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

May. 22, 2013 Rise Set
Actual Time 5:45 AM MDT 9:04 PM MDT
Civil Twilight 5:09 AM MDT 9:40 PM MDT
Nautical Twilight 4:21 AM MDT 10:29 PM MDT
Astronomical Twilight 3:20 AM MDT 11:30 PM MDT
Moon 6:22 PM MDT (5/22) 4:02 AM MDT (5/22)
Length of Visible Light 16h 31m
Length of Day
15h 18m
Waxing Gibbous, 92% of the Moon is Illuminated
May 22
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 57.0 °F - 32.0 °F 39% 29.73 in 10.0 mi SE 16.1 mph 24.2 mph N/A   Clear
1:53 AM 55.0 °F - 33.1 °F 43% 29.73 in 10.0 mi SSE 3.5 mph - N/A   Clear
2:53 AM 52.0 °F - 36.0 °F 54% 29.73 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
3:53 AM 51.1 °F - 37.0 °F 59% 29.71 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:53 AM 52.0 °F - 36.0 °F 54% 29.71 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
5:53 AM 48.0 °F - 37.0 °F 66% 29.72 in 10.0 mi NE 3.5 mph - N/A   Clear
6:53 AM 50.0 °F - 37.0 °F 61% 29.72 in 10.0 mi WSW 6.9 mph - N/A   Clear
7:53 AM 54.0 °F - 37.0 °F 53% 29.72 in 10.0 mi East 16.1 mph - N/A   Clear
8:03 AM 53.6 °F - 35.6 °F 51% 29.74 in 10.0 mi ENE 16.1 mph - N/A   Clear
8:53 AM 55.0 °F - 36.0 °F 49% 29.73 in 10.0 mi NE 16.1 mph 21.9 mph N/A   Clear
9:53 AM 55.9 °F - 37.0 °F 49% 29.74 in 10.0 mi East 20.7 mph 25.3 mph N/A   Partly Cloudy
10:53 AM 55.9 °F - 37.0 °F 49% 29.75 in 10.0 mi East 15.0 mph - N/A   Mostly Cloudy
11:53 AM 57.9 °F - 37.0 °F 46% 29.75 in 10.0 mi ENE 11.5 mph - N/A   Scattered Clouds
12:53 PM 59.0 °F - 37.9 °F 46% 29.75 in 10.0 mi ENE 11.5 mph - N/A   Clear
1:53 PM 59.0 °F - 37.9 °F 46% 29.76 in 10.0 mi ENE 11.5 mph - N/A   Clear
2:53 PM 60.1 °F - 39.0 °F 46% 29.75 in 10.0 mi ENE 13.8 mph 19.6 mph N/A   Clear
3:53 PM 59.0 °F - 39.0 °F 48% 29.77 in 10.0 mi NE 8.1 mph - N/A   Overcast
4:32 PM 62.6 °F - 37.4 °F 39% 29.73 in 10.0 mi East 16.1 mph 31.1 mph N/A   Scattered Clouds
4:53 PM 62.1 °F - 37.9 °F 41% 29.73 in 10.0 mi ESE 15.0 mph 34.5 mph N/A   Overcast
5:53 PM 60.1 °F - 44.1 °F 55% 29.77 in 10.0 mi ESE 17.3 mph 24.2 mph 0.02 in   Mostly Cloudy
6:53 PM 60.1 °F - 39.9 °F 47% 29.74 in 10.0 mi SE 24.2 mph 38.0 mph N/A   Partly Cloudy
7:53 PM 55.9 °F - 44.1 °F 64% 29.78 in 10.0 mi East 25.3 mph 31.1 mph N/A   Partly Cloudy
8:53 PM 55.9 °F - 44.1 °F 64% 29.79 in 10.0 mi East 6.9 mph - N/A   Overcast
9:53 PM 55.9 °F - 45.0 °F 67% 29.81 in 10.0 mi East 8.1 mph - 0.00 in Rain Light Rain
10:31 PM 46.4 °F 39.8 °F 42.8 °F 87% 29.85 in 7.0 mi West 16.1 mph 28.8 mph 0.07 in Rain Light Rain
10:53 PM 46.0 °F 39.6 °F 42.1 °F 86% 29.88 in 4.0 mi West 15.0 mph 25.3 mph 0.17 in Rain Rain
11:35 PM 46.4 °F 41.5 °F 41.0 °F 81% 29.85 in 10.0 mi West 10.4 mph - 0.11 in   Overcast
11:45 PM 44.6 °F 39.7 °F 41.0 °F 87% 29.86 in 10.0 mi WNW 9.2 mph - 0.11 in Rain Light Rain
11:53 PM 45.0 °F 39.3 °F 39.9 °F 82% 29.88 in 7.0 mi West 11.5 mph - 0.12 in Rain Light Rain