May 2018 Climate Data


May 2018 begins with warm temperatures and a rapid greening of the landscape.  Drone photo, 300 feet above Lincoln, NE, by Ken Dewey

Last Month's Data: April 2018

Year 2018 (and last year) Precipitation in inches compared to normal

  JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC TOTAL
Normal 0.64 0.77 1.93 2.71 4.29 4.34 3.40 3.49 3.02 1.97 1.43 0.95 28.95
2018 0.41 0.74 2.71 0.67 2.23 6.76
2017 1.10
0.55 1.62 3.55 6.29 7.35 5.99 3.38 1.85 4.90 0.07 0.38 37.03

Normal January 1 - April 30 Precipitation total = 6.05 inches
Normal January 1 - May 31 Precipitation total = 10.34 inches

RECORD HIGH: May 26 , 2018: 100°F. Old record 98°F  set in 1912.
RECORD HIGH: May 27, 2018:  97°F. Old record 95°F  set in 1966.

Lincoln's Temperature and Precipitation records set in 2018

Lincoln's Heat Wave  Page, LINK>> Heat Wave Climatology

All data in the following table are from the National Weather Service and HPRCC data archives.

If columns are hidden, scroll the table right.

May 2018MaxMinMeanDepPcpnRec
Pcpn
Rec
Max
Rec
Min
HDDCDDAvg
Max
Avg
Min
Avg
Mean
Snow
Tuesday May 1 84 65 75 +18 T 2.10 93 24 0 10 69 45 57
Wednesday May 2 68 48 58 0 0.22 1.50 91 26 7 0 70 45 58
Thursday May 3 67 48 58 0 0.05 1.90 91 25 7 0 70 46 58  
Friday May 4 82 48 65 +7 0.00 2.47 91 30 0 0 70 46 58  
Saturday May 5 87 44 66 +7 T 3.35 97 31 0 1 71 47 59  
Sunday May 6 86 48 67 +8 0.00 2.96 95 27 0 2 71 47 59  
Monday May 7 84 43 64 +5 0.00 3.77 98 29 1 0 71 47 59  
Tuesday May 8 86 65 76 +16 0.00 1.96 95 29 0 11 72 48 60  
Wednesday May 9 86 57 72 +12 0.00 2.56 97 30 0 7 72 48 60  
Thursday May 10 86 55 71 +11 0.00 1.05 95 30 0 6 72 48 60  
Friday May 11 68 49 59 -2 0.44 2.96 94 29 6 0 73 49 61  
Saturday May 12 62 51 57 -4 0.03 1.55 97 31 8 0 73 49 61  
Sunday May 13 79 53 66 +5 0.00 2.76 96 27 0 1 73 50 61  
Monday May 14 78 59 69 +7 0.02 2.63 100 32 0 4 74 50 62  
Tuesday May 15 80 55 68 +6 0.00 2.35 93 31 0 3 74 50 62  
Wednesday May 16 86 52 69 +7 0.00 2.01 92 30 0 4 74 51 62  
Thursday May 17 86 53 70 +7 0.00 2.01 93 33 0 5 75 51 63  
Friday May 18 79 56 68 +3 T 2.41 94 34 0 3 75 51 63  
Saturday May 19 65 52 59 -4 0.31 1.62 95 35 6 0 75 52 63  
Sunday May 20 58 53 56 -8 0.26 2.64 95 33 9 0 75 52 64  
Monday May 21 78 53 66 +2 0.00 1.56 95 36 0 1 76 52 64  
Tuesday May 22 88 59 74 +10 0.06 2.43 96 36 0 9 76 53 64  
Wednesday May 23 91 66 79 +14 0.00 1.45 94 39 0 14 76 53 65  
Thursday May 24 90 67 79 +14 0.00 1.43 100 34 0 14 77 53 65  
Friday May 25 97 64 81 +16 0.00 1.78 98 35 0 16 77 54 65  
Saturday May 26 100 65 83 +17 0.00 2.43 100 38 0 18 77 54 66  
Sunday May 27 97 66 82 +16 0.00 3.32 97 36 0 17 78 54 66  
Monday May 28 95 66 81 +15 0.00 1.97 98 34 0 16 78 55 66  
Tuesday May 29 87 65 76 +9 0.83 2.64 102 32 0 11 79 55 67  
Wednesday May 30 87 62 75 +8 0.01 2.59 104 40 0 10 79 55 67  
Thursday May 31 92 63 78 +10 0.00 2.05 103 41 0 13 79 56 68  
May 2018 Max Min Mean Dep Pcpn Rec
Pcpn
Rec
Max
Rec
Min
HDD CDD Avg
Max
Avg
Min
Avg
Mean
 
TOTAL         2.23       44 196       .
AVERAGE 82.6
56.5 69.5                      
NORMAL 74.2 50.5 62.3   4.29     147 65        
DEPARTURE +8.4 +6.0 +7.2   -2.06       -103 +131    

AVERAGE AND TOTAL are MAY 2018.

Temperature is °F
Precipitation measurement is "inches"
Precipitation "T" = trace, precipitation was observed but not enough to be measured

NORMAL (Norm) refers to the 1981-2010 Standard Normals
DEPARTURE is MAY 2018 Average measured against 1981-2010 normals, in °F.
Max = Observed Maximum and Min = Observed Minimum temperatures in °F.
Mean = Observed Mean Daily temperature in deg. F.
Dep = Departure from normal ( __ = below normal, + above normal), in °F.
Pcpn = Observed daily precipitation (midnight to midnight, CST) in inches.
Rec Pcpn = Record daily amount of precipitation in inches.
Rec Max = Record maximum temperature in °F.
Rec Min = Record Minimum temperature in °F.
HDD = heating degree day units (base of 65 degrees) in °F.
CDD = cooling degree day units (base of 65 degrees) in °F.
Norm Max = Daily Normal High Temperature (1981-2010 normals) in °F.
Norm Min = Daily Normal Low Temperature (1981-2010 normals) in °F.
Norm Mean = Daily Normal Mean Temperature (1981-2010 normals) in °F.

From the record books:
Warmest recorded MAY temperature, 104 °F., May 30, 1934.
Coldest recorded MAY temperature, 24 °F,  May 1, 1994.

May Snowfalls:
Most MAY Snowfall: 3.0 inches, May 3-4, 1967.
Measurable snowfall has occurred 3 times in May from 1900 - 2017
May 3, 1907: 2.2 inches
May 3-4, 1967: 3.0 inches
May 1-2, 2013: 2.7 inches

NOTE:  All data on this page are from the National Weather Service and HPRCC data archives.