DECEMBER 1999
LINCOLN, NE
December 1999 Temperature Graph
 Snowfall Data Archive 1900-1999
December 1999 Climate Summary
Temp. & Precip. Departures last 18 Months
Lincoln's Snowfall Statistics

NEW RECORD HIGH TEMPERATURE OF 64 F on December 29 (old record was 62 F in 1929).
LINK to December 29 temperature maps

DECEMBER MAX MIN MEAN DEP PCPN RMAX RMIN HDD CDD AVG MAX AVG MIN AVG MEAN SNOW
12/01/99 56 42 49 +18 0.00 70 -6 16 0 42 21 31  
12/02/99
56
34
 45
+15
0.00
 65 -4
20
 0 41 20 31  
12/03/99
45
39
42
+12
 0.25
 67 -9
23
 0 40 20 30  
12/04/99
 40
33
37
+7
T
 66 -11
 28
 0 40 19 30
T 
12/05/99
 40
21
 31
 +2
0.00
 69 -4
 34
 0 39 19 29  
12/06/99
 47
18
 33
 +4
0.00
 75 -8
32
 0 39 19 29  
12/07/99
 53
23
38
  +10
0.00
 65 -9
27
 0 39 18 28  
12/08/99
 51
 22
37
+9
0.00
 61 -12
28
 0 38 18 28  
12/09/99
 45
 20
33
+5
 0.00
 66 -17
32
 0 38 17 28  
12/10/99
 45
12
29
+2
0.00
 71 -20
 36
 0 37 17 27  
12/11/99
 46
18
 32
+5
0.00
 66 -10
 33
 0 37 17 27  
12/12/99
 52
17
35
+8
 0.00
 67 -14
 30
 0 37 16 27  
12/13/99
 52
14
 33
+7
 0.00
 72 -16
 32
 0 36 16 26  
12/14/99
 40
26
33
+7
0.17
 61 -13
 32
 0 36 16 26  
12/15/99
 35
 19
27
+2
0.02
 64 -15
38
 0 36 15 25
2.2 
12/16/99
 34
12
23
-2
T
 68 -16
 42
 0 35 15 25
T 
12/17/99
 27
20
24
 -1
T
 71 -17
41
 0 35 15 25  
12/18/99
27
20
24
-1
 T
 68 -18
41
 0 35 15 25  
12/19/99
 34
17
26
+2
0.13
 61 -20
 39
 0 34 14 24
1.6
12/20/99
 20
-2
9
-15
 0.00
 64 -16
56
 0 34 14 24  
12/21/99
 26
-3
12
-12
 T
 62 -19
 53
 0 34 14 24
T
12/22/99
 21
4
13
 -10
T
 70 -27
 52
 0 34 13 23
T
12/23/99
 43
10
 27
 +4
0.00
 71 -23
38
 0 33 13 23  
12/24/99
 37
23
 30
+7
 0.00
 62 -18
35
 0 33 13 23  
12/25/99
 58
21
 40
+17
 0.00
 65 -16
 25
 0 33 13 23  
12/26/99
 42
26
34
+11
0.00
 65 -16
31
 0 33 12 23  
12/27/99
 42
21
32
+10
0.00
 62 -15
33
 0 33 12 22  
12/28/99
60
27
44
 +22
 0.00
 66 -14
21
 0 33 12 22  
12/29/99
 64
 25
45
+23
0.00
 62 -18
 20
 0 32 12 22  
12/30/99
 54
22
 38
+16
0.00
 65 -15
 27
 0 32 11 22  
12/31/99
 56
17
 38
+16
 0.00
 59 -20
28
 0 32 11 22  
TOTAL         0.57      1023 0      
3.8
AVERAGE
 43.5
19.9
31.7
                    
NORMAL 35.8 15.4 25.6   0.88     1221 0      
5.6
DEPARTURE  +7.7 +4.5 +6.1    -0.31   -198 0      
-1.8
From the record books:
Warmest recorded December  temperature, 75 F, December 6, 1939.
Coldest recorded December  temperature, -27 F,  December 22, 1983.
Most December Snowfall: 22.3 inches, 1945.
Least December Snowfall: 0.0 inches, 2 of the last 100 years (1991 & 1928).
1999 TOTAL PRECIPITATION:
  JAN   +   FEB   + MAR   + APR    + MAY  + JUN  +  JUL + AUG + SEP +  OCT + NOV 
   0.35 +   1.28  +   1.52   +  4.54   +  5.63  +  5.68 +  2.11 + 3.41  + 1.22  + 0.03 + 0.91 =  26.68 in.

Normal Jan. 1 through December  31 = 28.26 inches
Precipitation total January 1 through December 31 = 27.25 inches = 1.01 inches BELOW NORMAL.

AVERAGE AND TOTAL are DECEMBER 1999.
NORMAL is the 1961-90 Standard Normals.
DEPARTURE is DECEMBER 1999 Average measured against 1961-90 normals.
MAX = Observed Maximum and MIN = Observed Minimum temperatures.
MEAN = Observed Mean Daily temperature.
DEP = Departure from normal ( __ = below normal, + above normal).
PCPN = Observed daily precipitation (midnight to midnight, CST).
RMAX = Record maximum temperature.
RMIN = Record Minimum temperature.
HDD = heating degree day units (base of 65 degrees).
CDD = cooling degree day units (base of 65 degrees).
AVG MAX = Daily Normal High Temperature (1961-90 normals).
AVG MIN = Daily Normal Low Temperature (1961-90 normals).
AVG MEAN = Daily Normal Mean Temperature (1961-90 normals).


 
 
UNL
University of Nebraska-Lincoln
High Plains Climate Center

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