STATION: LIVINGSTON-MISSION FIELD AIRPORT (KLVM), MT
CLIMATOLOGICAL SUMMARY. Period of Record: Oct 2000 to Dec 2008
Summaries based on unedited daily ASOS data. Errors may be present.
-----------------------------------------------------------------------------------------------
TEMPERATURE (F) | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec | Year
| |
Avg Max Temp | 36.9 38.4 46.7 54.7 64.2 73.1 88.4 84.5 72.7 58.0 45.4 36.5 | 58.3
Avg Min Temp | 18.0 17.6 23.2 29.7 36.2 43.7 50.9 47.2 40.2 32.1 24.9 18.5 | 31.8
Avg Temperature | 27.4 28.0 35.0 42.2 50.2 58.4 69.7 65.9 56.4 45.1 35.2 27.5 | 45.1
| |
Extremes: | |
Extreme Max Temp| 62 62 75 80 88 98 103 102 95 85 73 60 | 103
| |
Date of Ext-Day | 23 03 31 28 13 29 12 13 03 01 21 11 |
-Year| 2005 2005 2004 2007 2001 2007 2002 2003 2001 2008 2002 2004 |
| |
Extreme Min Temp| -26 -31 -7 2 11 31 33 29 24 -7 -12 -24 | -31
| |
Date of Ext-Day | 05 17 01 02 09 23 12 17 30 31 29 11 |
-Year| 2004 2006 2002 2002 2002 2003 2008 2002 2003 2003 2006 2000 |
| |
Heating Degree Days | 1165 1046 931 684 461 216 18 60 273 619 895 1162 | 7532
Cooling Degree Days | 0 0 0 0 2 18 163 88 16 1 0 0 | 287
| |
Avg Number of Days: | |
Max Temp >= 90 | 0.0 0.0 0.0 0.0 0.0 1.6 14.4 9.6 2.0 0.0 0.0 0.0 | 27.6
Max Temp >= 75 | 0.0 0.0 0.1 1.0 7.2 14.7 29.5 27.4 14.4 3.1 0.0 0.0 | 97.4
Max Temp <= 32 | 9.2 7.7 3.8 1.0 0.1 0.0 0.0 0.0 0.0 1.5 5.7 10.6 | 39.6
| |
Min Temp <= 32 | 26.9 26.5 25.0 19.1 9.8 0.6 0.0 0.1 3.6 14.9 20.8 26.6 | 173.9
Min Temp <= 20 | 15.0 15.1 11.1 2.9 1.0 0.0 0.0 0.0 0.0 3.0 10.4 16.1 | 74.6
Min Temp <= 0 | 4.1 2.8 1.3 0.0 0.0 0.0 0.0 0.0 0.0 0.3 1.5 3.7 | 13.6
| |
Avg Dew Point Temp | 13.7 13.9 19.3 26.3 34.2 42.5 43.6 40.3 34.2 28.0 19.5 14.7 | 27.5
Avg Wet Bulb Temp | 23.2 23.1 29.0 35.1 42.7 50.0 55.0 52.3 45.3 37.3 29.2 23.4 | 37.1
| |
------------------------------------------------------------------------------------------------------
| |
Avg Sea Level Pres | 30.13 30.10 30.06 30.03 30.00 29.95 29.93 29.95 29.99 30.08 30.11 30.14 | 30.04
(Inches of Mercury) | |
------------------------------------------------------------------------------------------------------
| |
WEATHER | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec | Year
See disclaimer below| |
| |
Avg Number of Days: | |
Thunderstorms | 0.0 0.0 0.0 1.4 5.0 8.2 9.1 6.9 2.0 0.1 0.0 0.0 | 32.7
Heavy Fog | 0.9 1.0 2.1 1.5 0.6 0.1 0.0 0.4 0.0 1.0 0.7 0.8 | 9.1
Fog | 7.1 9.8 9.6 9.4 7.2 6.0 1.9 2.2 3.1 6.4 6.4 7.4 | 76.6
Hail | 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 | 0.0
| |
------------------------------------------------------------------------------------------------------
| |
PRECIPITATION (In) | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec | Year
| |
Average Monthly | 0.36 0.58 0.75 1.89 2.57 2.25 0.94 0.71 1.14 1.53 0.42 0.37 | 13.50
| |
Maximum Daily | 0.47 0.36 0.69 0.96 1.13 1.60 0.80 0.42 1.38 1.48 0.39 0.55 | 1.60
| |
Date of Ext-Day | 14 28 26 18 27 12 04 03 23 16 02 26 |
-Year| 2003 2004 2003 2005 2006 2001 2004 2005 2005 2006 2005 2003 |
| |
Avg Number of Days: | |
>= 0.01 | 5.0 7.6 9.1 11.9 12.6 12.0 8.6 8.2 7.1 9.4 7.0 6.3 | 105.0
>= 0.10 | 1.4 1.9 2.1 5.9 6.2 6.0 2.8 2.1 3.2 4.4 1.3 0.9 | 38.2
>= 0.25 | 0.1 0.8 0.6 2.8 4.0 2.6 1.1 0.9 1.6 2.4 0.3 0.1 | 17.3
>= 0.50 | 0.0 0.0 0.2 0.9 1.8 1.0 0.4 0.0 0.5 0.6 0.0 0.1 | 5.4
>= 1.00 | 0.0 0.0 0.0 0.0 0.2 0.4 0.0 0.0 0.1 0.1 0.0 0.0 | 0.9
| |
------------------------------------------------------------------------------------------------------
| |
WIND (MPH) | Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec | Year
| |
Daily Avg Wind Speed| 19.6 16.7 15.7 13.0 11.6 10.5 9.4 10.2 10.9 13.5 18.0 19.4 | 14.0
Daily Avg Max 2-Min | 36.0 31.7 30.7 27.4 26.6 25.9 26.3 26.6 24.6 27.8 33.5 35.9 | 29.4
Daily Avg Peak Gust | 44.4 38.9 37.5 33.6 32.7 32.2 32.6 33.1 30.4 34.2 41.7 44.5 | 36.3
| |
Maximum Daily Avg | 44.9 37.5 37.5 32.1 25.1 24.4 19.3 22.5 24.7 35.0 40.7 43.1 | 44.9
| |
Maximum 2-Minute Avg| 64 62 59 68 53 55 53 54 43 58 64 62 | 68
| |
Date of Max 2min-Day| 31 11 11 30 20 22 15 02 01 10 12 28 |
-Year| 2008 2002 2002 2001 2008 2005 2001 2002 2002 2001 2007 2008 |
| |
Maximum Peak Gust | 84 74 78 77 66 67 61 61 54 70 82 79 | 84
| |
Date of Max Gust-Day| 10 10 03 30 20 22 15 02 16 18 12 24 |
-Year| 2006 2002 2008 2001 2008 2005 2001 2002 2003 2007 2007 2007 |
| |
Avg Number of Days: | |
Peak Gust >=30 | 24.4 20.0 21.1 19.6 18.1 18.2 17.9 18.6 15.2 18.9 23.7 25.1 | 240.9
Peak Gust >=40 | 18.1 13.9 12.6 6.6 6.5 4.8 7.0 8.1 5.0 9.9 16.3 19.2 | 128.1
Peak Gust >=50 | 11.6 6.4 5.6 2.5 1.1 1.1 1.8 2.1 0.4 2.8 7.8 12.1 | 55.4
| |
Max 2-Minute >=30| 21.0 16.2 16.5 10.8 10.8 8.6 9.4 10.8 7.4 13.1 19.3 0.0 | 143.8
Max 2-Minute >=40| 12.0 6.4 6.0 2.6 1.2 1.4 2.0 1.6 0.9 3.4 8.7 0.0 | 46.3
| |
------------------------------------------------------------------------------------------------------
Observations of WEATHER may me innacurate due to early ASOS inconsistancies. Average days
with Thunderstorms may be low due to early mis-detection.
Heavy Fog = Visibility less than or equal to 1/4 mile.
Fog = Visibility greater than 1/4 mile or less than 7 miles.
Peak Gust = Maximum 5-second average.
Snowfall data not observed at ASOS stations.
Copyright ©2009 Western Regional Climate Center - Desert Research Institute - Reno, Nevada.