September 2018 Data

September 1, 2018. Above Lincoln, NE . Drone Photo:  Ken Dewey

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 8.83 1.35 4.35 7.13 28.42
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 - August 31 Precipitation = 21.58 inches
Normal January 1 - September 30 Precipitation = 23.43 inches
.
Lincoln, Nebraska Top Ten Wettest Septembers – as of September 25, 2018
(1887-2018, 132 years of data)
1914: 8.32 inches
1989: 8.28 inches
1906: 7.60 inches
1973: 7.52 inches
1923: 7.21 inches
2018: 7.13 inches
1905: 6.91 inches
2014: 6.89 inches
1958: 6.78 inches
1965: 6.76 inches

Record daily precipitation, September 2, 2018:  2.42 inches, old record 1.63 inches set in 1926
Record daily precipitation, September 4, 2018:  2.15 inches, old record 1.42 inches set in 1989
Tied Record Daily High Temperature of 96°F on September 20. First set in 2016

Lincoln's Temperature and Precipitation records set in 2018

LINK:  Lincoln Heat Wave Climatology

Last Month, August 2018 Climate Data

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

If columns are hidden, scroll the table right.

September
2018
Max
Min
Mean
Dep
Pcpn
Rec
Pcpn
Rec
Max
Rec
Min
HDD
CDD
Norm
Max
Norm
Min
Norm
Mean
Saturday Sept. 1
91
68
80
+8
1.03
2.60
106
42
0
15
84
60
72
Sunday Sept. 2
81
68
75
+3
2.42
2.42
106
43
0
10
84
60
72
Monday Sept. 3
81
71
76
+5
0.60
2.37
102
35
0
11
83
59
71
Tuesday Sept. 4
79
71
75
+4
2.15
2.15
102
40
0
10
83
59
71
Wednesday Sept. 5
79
66
73
+3
0.08
3.06
103
43
0
8
83
58
70
Thursday Sept. 6
77
61
69
-1
0.00
1.91
105
41
0
4
83
58
70
Friday Sept. 7
68
63
66
-4
0.02
2.01
104
42
0
1
82
58
70
Saturday Sept. 8
74
60
67
-2
0.00
4.68
103
40
0
2
82
57
69
Sunday Sept. 9
76
52
64
-5
0.00
4.22
100
36
1
0
81
57
69
Monday Sept. 10
80
55
68
-1
0.00
2.37
101
38
0
3
81
56
69
Tuesday Sept. 11
83
57
70
+2
0.00
1.59
99
29
0
5
81
56
68
Wednesday Sept. 12
83
59
71
+3
0.00
2.44
96
32
0
6
80
55
68
Thursday Sept. 13
84
66
75
+8
0.00
1.41
102
34
0
10
80
55
67
Friday Sept. 14
91
68
80
+13
0.00
2.28
99
34
0
15
80
54
67
Saturday Sept. 15
91
66
79
+13
0.00
1.96
99
31
0
14
79
54
66
Sunday Sept. 16
90
65
78
+12
0.00
2.53
100
34
0
13
79
53
66
Monday Sept. 17
95
66
81
+15
0.00
1.94
101
35
0
16
78
53
66
Tuesday Sept. 18
92
68
80
+15
T
2.54
100
31
0
15
78
52
65
Wednesday Sept. 19
95
65
80
+15
0.00
1.55
98
29
0
15
78
52
65
Thursday Sept. 20
96
66
81
+17
0.64
2.61
96
31
0
16
77
51
64
Friday Sept. 21
67
47
57
-7
0.00
1.43
103
32
8
0
77
51
64
Saturday Sept. 22
73
41
57
-6
0.00
2.62
99
27
8
0
76
50
63
Sunday Sept. 23
81
47
64
+1
0.00
3.63
97
31
1
0
76
50
63
Monday Sept. 24
79
54
67
0
0.00
1.74
93
31
0
2
75
49
62
Tuesday Sept. 25
67
44
56
-6
0.07
2.32
93
29
9
0
75
49
62
Wednesday Sept. 26
71
41
56
-5
0.00
1.60
95
28
9
0
74
48
61
Thursday Sept. 27
79
47
63
+2
0.00
1.37
93
32
2
0
74
48
61
Friday Sept. 28
57
48
53
-7
T
4.70
102
28
12
0
74
48
61
Saturday Sept. 29
50
45
48
-12
0.05
1.75
94
26
17
0
73
47
60
Sunday Sept. 30
52
49
51
-9
0.07
3.30
94
28
14
0
73
47
60
September
2018
 Max Min Mean Dep Pcpn Rec
Pcpn		 Rec
Max		 Rec
Min		 HDD CDD Avg
Max		 Avg
Min		 Avg
Mean
 
TOTAL
7.13
   
.
.
 
 
 
 
AVERAGE
78.7
58.1
68.4
 
 
 
 
 
 
 
 
NORMAL
78.7
53.3
66.0
3.02
 
 
94
123
 
 
 
 
DEPARTURE
0.0
+4.8
+2.4
+4.11
   
.
.
      
 

AVERAGE AND TOTAL are SEPTEMBER 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 SEPTEMBER 2018 Averages and totals measured against 1971-2000 Normals.
Max = Observed Maximum and Min = Observed Minimum temperatures in °F.
Mean = Observed Mean Daily temperature in °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:
Hottest recorded September temperature, 
106 F September 2, 2000 and September 1, 1922.
Coldest recorded September temperature, 26°F, September 29, 1984.
Earliest ever first snowfall, September 28, 1985, 0.8 inches.
There only been one measurable snowfall in September from 1900 to 2017.

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