2012 Year in Review
2012 Climate Narrative Climate Statistics:
Muscle Shoals or Huntsville

2012 Statistics for Muscle Shoals (Northwest Regional Alabama Airport)

Summary

    2012 Normal** (1981-2010 Normals) Ranking**
Temperatures Above Normal 64.3º 61.6º 1st Warmest
Precipitation Below Normal 42.98 inches 53.20 inches 19th Driest
Snowfall Below Normal 0.1 inches 2.2 inches N/A

 

Temperature Table [Back to Top]

Month

Avg Temp* Normal** Departure** Ranking** 2011 2010 2009 2008
January 47.6 41.0 +6.6 11th Warmest 37.4 36.1  40.7 39.2
February 49.2 45.2 +4.0 14th Warmest 47.3 37.7  46.1 46.0
March 63.3 53.2 +10.1 1st Warmest 54.0 50.2  54.6 52.9
April 64.5 61.4 +3.1 Tied-16th Warmest 65.3 64.2  61.0 60.0
May 73.7 69.8 +3.9 Tied-8th Warmest 70.0 72.4 70.4 68.5
June 77.8 77.0 +0.9 Tied-39th Warmest 80.9 80.9  78.4 78.6
July 84.0 80.4 +3.6 4th Warmest 83.1 83.0  76.7 81.1
August 79.3 79.8 -0.5 46th Warmest1 82.5 83.7  77.4 78.8
September 72.1 73.2 -1.1 Tied-34th Coolest 70.4 75.8  73.7 73.1
October 60.7 62.1 -1.4 Tied-42nd Coolest 60.0 62.8  59.8 60.9
November 49.9 52.1 -2.2 Tied-48th Coolest 54.0 52.4  53.2 47.7
December 49.4 43.3 +6.1 5th Warmest 46.3 38.8  41.9 44.2
Annual
2012 64.3 61.6 +2.7 1st Warmest 62.6 61.7 61.2 60.9
Seasonal
Winter (Dec 2011/Jan/Feb) 47.7 43.2 +4.5 6th Warmest 41.0 38.6 43.6 44.7
Spring (Mar/Apr/May) 67.2 61.5 +5.7 1st Warmest 63.1 62.3 62.0 60.5
Summer (Jun/Jul/Aug) 80.4 79.1 +1.3 Tied-18th Warmest 82.2 82.6 77.6 79.5
Fall (Sep/Oct/Nov) 60.9 61.9 -1.0 Tied-26th Coolest 61.5 63.7 62.2 60.6

1 Temperatures can be below normal for a month but still be among the warmest months because of the skewness of the data set.  

Precipitation Table [Back to Top]

Month Precipitation* Normal** Departure** Ranking** 2011 2010 2009 2008
January 6.87 4.61 +2.26 24th Wettest 3.27 4.96 2.41 2.30
February 2.79 4.66 -1.87 27th Driest 2.08 3.31 4.00 2.65
March 2.85 4.76 -1.91 16th Driest 6.99 3.89 6.26 4.14
April 0.90 4.35 -3.45 4th Driest 9.16 1.90 4.53 4.05
May 4.28 5.12 -0.84 Over 50th 3.00 7.44 6.27 6.84
June 1.51 4.76 -3.25 11th Driest 7.21 3.76 3.27 2.29
July 6.37 4.30 +2.07 23rd Wettest 4.23 3.54 6.87 1.31
August 2.32 3.15 -0.83 38th Driest 6.12 2.18 2.13 4.33
September 5.71 3.72 +1.99 19th Wettest 7.09 2.91 7.69 0.86
October 2.40  3.43 -1.03 Over 50th 1.74 2.87 9.27 2.72
November 1.56 4.66 -3.10 14th Driest 3.86 5.38 1.68 2.75
December 5.42 5.68 -0.26 43rd Wettest 6.64 2.15 4.46 10.54
Annual
2012 42.98 53.20 -10.22 19th Driest 61.39 44.29 58.84 44.78
Seasonal
Winter (Dec 2011/Jan/Feb) 16.30 14.95 +1.35 39th Wettest 7.50 12.73 16.95 8.29
Spring (Mar/Apr/May) 8.03 14.23 -6.20 6th Driest 19.15 13.23 17.06 15.03
Summer (Jun/Jul/Aug) 10.20 12.21 -2.01 39th Driest 17.56 9.48 12.27 7.93
Fall (Sep/Oct/Nov) 9.67 11.81 -2.14 Over 50th 12.69 11.16 18.64 6.33

 

Snowfall Table [Back to Top]

Month 2012 Snowfall Normal**   2011 2010 2009 2008
January 0.1 0.4   9.8 1.1 Trace 0.4
February 0.0 1.0   1.4 3.7  Trace Trace
March 0.0 0.4   0.0 Trace 1.2 1.2
April 0.0 Trace   0.0 0.0 0.0 0.0
October 0.0 0.0   0.0 0.0 0.0 0.0
November 0.0 0.0   Trace 0.0 0.0 0.0
December Trace 0.4   Trace 3.5 Trace 1.0
Annual
Annual Total 0.1 2.2  

11.2 

8.3

1.2

2.6



Miscellaneous [Back to Top

  2012 Normal** (1981-2010)   2011 2010 2009 2008
Days with Max Temp 32 or Below 0  3   2 7 1 3
Days with Max Temp 90 or Above 83  58    95 95 45 76
Days with Max Temp 100 or Above 16 3***   2 11 0 3
Days with Min Temp 32 or Below 42  58   56 78 59 75
Raindays (0.01" or More) 116  113   111 108 140 106
Days 0.10" or More 74  80   73 77 93 76
Days 0.50" or More 31  33   41 35 44 34
Days 1.00" or More 8  15   19 11 19 8
Days 2.00" or More 2  4   7 2 1  3
Heating Degree Days 2315 3105   2934 3475 3039 3253
Cooling Degree Days 2165 1874   2183 2340 1757 1865
Highest Sea-Level Pressure**** 30.59" on January 3rd
Lowest Sea-Level Pressure**** 29.39" on February 23rd
Highest Wind****

39 mph from 270 degrees (W) on December 20th

Max Wind Gust**** 48 mph from 280 degrees (W) on December 20th

*Temperatures are expressed in degrees Fahrenheit and precipitation values are expressed in units of inches. 

** Normals and departures from normal are based on the current 30 year climatological normal period (1981-2010). Monthly rankings are based on the entire period of record, which is much longer than the normals period.  For Huntsville, precipitation data date back to 1894, while temperature data date back to 1907.  Years continaining significant numbers of missing daily data are not counted in the rankings.  

*** Note: The average for 100+ temperatures is based on the 1981-2010 climatological period...in which there were 90 occurrences. Although...100+ temps do not occur every year.

**** Note: The wind and pressure sensors failed on a few occasions for brief periods during the year.  The values listed are the maximum or minimum values recorded, and may not necessarily reflect the actual max or min values that occurred during the year.

These data are preliminary and have not undergone final quality control by the National Climatic Data Center (NCDC). Therefore, these data are subject to revision. Final and certified data can be accessed at the NCDC - http://www.ncdc.noaa.gov.


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