Helena, MT

12:02 AM MDT on August 29, 2016 (GMT -0600)
Helena Regional

Weather History for KHLN - May, 2013

Change the Weather History Date:

Sunday, May 19, 2013

  Actual Average Record
Temperature  
Mean Temperature 52 °F 55 °F  
Max Temperature 55 °F 68 °F 90 °F (1954)
Min Temperature 48 °F 42 °F 24 °F (1997)
Degree Days  
Heating Degree Days 13 10  
Month to date heating degree days 191 245  
Since 1 July heating degree days 6882 7299  
Cooling Degree Days 0 0  
Month to date cooling degree days 7 0  
Year to date cooling degree days 7 0  
Growing Degree Days 1 (Base 50)    
Moisture  
Dew Point 43 °F    
Average Humidity 77    
Maximum Humidity 83    
Minimum Humidity 71    
Precipitation  
Precipitation 0.13 in 0.06 in 0.82 in (1938)
Month to date precipitation 0.39 0.98  
Year to date precipitation 1.93 3.21  
Snow  
Snow 0.00 in 0.00 in 0.80 in (1931)
Month to date snowfall 0.0 0.7  
Since 1 July snowfall 39.7 37.9  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 6 mph (West)    
Max Wind Speed 15 mph    
Max Gust Speed 20 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

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

May. 19, 2013 Rise Set
Actual Time 5:48 AM MDT 9:00 PM MDT
Civil Twilight 5:12 AM MDT 9:37 PM MDT
Nautical Twilight 4:25 AM MDT 10:24 PM MDT
Astronomical Twilight 3:27 AM MDT 11:23 PM MDT
Moon 2:48 PM MDT (5/19) 2:36 AM MDT (5/19)
Length of Visible Light 16h 24m
Length of Day
15h 11m
Waxing Gibbous, 66% of the Moon is Illuminated
May 19
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 50.0 °F 42.1 °F 74% 30.02 in 10.0 mi West 6.9 mph - N/A   Overcast
1:53 AM 50.0 °F 42.1 °F 74% 30.04 in 10.0 mi WNW 9.2 mph - N/A   Overcast
2:53 AM 48.0 °F 43.0 °F 83% 30.06 in 10.0 mi WNW 5.8 mph - 0.00 in Rain Light Rain
3:53 AM 48.2 °F 42.8 °F 82% 30.04 in 10.0 mi WNW 6.9 mph - N/A   Overcast
4:53 AM 48.0 °F 41.0 °F 77% 30.06 in 10.0 mi WSW 13.8 mph - 0.01 in   Overcast
5:53 AM 48.2 °F 39.2 °F 71% 30.05 in 10.0 mi WSW 8.1 mph - N/A   Overcast
6:53 AM 48.9 °F 39.9 °F 71% 30.09 in 10.0 mi West 6.9 mph - N/A   Overcast
7:53 AM 48.9 °F 41.0 °F 74% 30.11 in 10.0 mi WNW 8.1 mph - N/A   Overcast
8:53 AM 50.0 °F 42.1 °F 74% 30.12 in 10.0 mi WNW 4.6 mph - 0.00 in Rain Light Rain
9:53 AM 48.9 °F 43.0 °F 80% 30.14 in 10.0 mi NNW 5.8 mph - 0.02 in Rain Light Rain
10:53 AM 50.0 °F 42.1 °F 74% 30.14 in 8.0 mi WSW 3.5 mph - 0.02 in Rain Light Rain
11:53 AM 50.0 °F 43.0 °F 77% 30.14 in 8.0 mi Calm Calm - 0.03 in Rain Light Rain
12:53 PM 51.8 °F 44.6 °F 76% 30.11 in 9.0 mi Calm Calm - N/A Rain Light Rain
1:53 PM 51.8 °F 44.6 °F 76% 30.11 in 10.0 mi West 5.8 mph - N/A   Overcast
2:53 PM 52.0 °F 44.1 °F 74% 30.16 in 8.0 mi West 8.1 mph - 0.00 in Rain Light Rain
3:53 PM 52.0 °F 45.0 °F 77% 30.17 in 10.0 mi West 6.9 mph - 0.00 in   Overcast
4:53 PM 54.0 °F 44.1 °F 69% 30.17 in 10.0 mi NE 3.5 mph - 0.00 in Rain Light Rain
5:53 PM 54.0 °F 44.1 °F 69% 30.17 in 10.0 mi NNW 6.9 mph - 0.00 in   Overcast
6:53 PM 54.0 °F 44.1 °F 69% 30.17 in 10.0 mi West 3.5 mph - 0.00 in   Overcast
7:53 PM 53.1 °F 45.0 °F 74% 30.17 in 10.0 mi WSW 5.8 mph - N/A   Overcast
8:53 PM 53.1 °F 45.0 °F 74% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
9:53 PM 51.1 °F 46.0 °F 83% 30.22 in 10.0 mi WSW 3.5 mph - 0.00 in   Overcast
10:53 PM 50.0 °F 45.0 °F 83% 30.22 in 7.0 mi NNW 5.8 mph - 0.01 in Rain Light Rain
11:53 PM 50.0 °F 46.0 °F 86% 30.23 in 10.0 mi West 6.9 mph - 0.01 in   Overcast