Monday, June 2, 2014

May 2014 Climate Summary, Lincoln, NE

Headline:  May 2014 was warmer than normal and wetter than normal for Lincoln, NE.

The highest temperature observed in Lincoln, NE in May 2014 was a record high of 98F on May 7.  This was also the earliest ever recorded temperature of 98F in the 128 year (1887-2014) data record for Lincoln.

Just nine days later, on May 16, the temperature fell to the coldest temperature of the month 30F, which was also a record low for the date.  This is also the latest in the Spring to have a temperature this cold with temperature data extending 128 years (1887-2014).

May 2014 averaged 65.2F or 2.9 degrees F ABOVE normal ended the 6 month string (October 2013-March 2014) of monthly temperatures averaging below normal.

The May 2014 precipitation total in Lincoln, NE was 5.26 inches, or 0.97 inches ABOVE normal.

The May 2014 precipitation of 5.26 inches was also more than the first four months combined (Jan. 0.24in + Feb 0.62in +Mar 0.13 in + Apr 3.50 in= 4.49 inches). 

The Year to date January 1 - May 31, 2014 precipitation total of 9.75 inches is 1.56 inches below the normal for this time period of 10.34 inches.

The cold season snowfall season officially ended in May with a 2013-14 seasonal snowfall total of only 18.2 inches which is well BELOW the normal of 25.9 inches.

The following graph shows the Lincoln, NE, May 2014 daily high and low temperatures compared to normal daily highs and lows. The red line is the average high and the blue line is the average low.  The top of each vertical bar is the observed high temperature and the bottom of the vertical bar is the observed low temperature for each day.

  NOTE:  The May 2014statistics are located below the graph.

Here are the Lincoln, NE, summary statistics for May 2014.

May 2014 Temperature Statistics:
Average High Temperature 78.2 F (4.0 degrees
ABOVE Normal)
Average Low Temperature 52.2F (1.7 degrees
ABOVE Normal)
Mean Temperature 65.2 F (2.9 degrees
ABOVE  Normal)
Note: Mean temperature = the average of all the highs and lows
Number of days ABOVE Normal = 21
Number of Days BELOW Normal = 8
Number of Days exactly Normal = 2
Highest temperature 98 on May 7

Lowest temperature 30 F on may 16
Record low 30F on May 16
Record high 98F on May 7

May 2014 Precipitation Statistics:
Total precipitation 5.26 inches (0.97 inches
ABOVE Normal)
Heaviest precipitation 2.96 inches on May 11
Daily record precipitaion of 2.96 inches May 11, Old May 11 record was 1.33 inches

Normal January 1 - May 31 precipitation =  10.34 inches
Observed Total precipitation January 1 - May 31, 2014 = 9.75 inches
January 1 - April 30, 2014 precipitation deficit =  0.59 inches