| month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| record max |
64
|
78
|
91
|
98
|
105
|
114
|
112
|
109
|
97
|
87
|
72
|
68
|
0
|
| avg max |
32
|
34
|
47
|
60
|
72
|
85
|
92
|
89
|
74
|
59
|
49
|
36
|
0
|
| avg min |
8
|
13
|
20
|
33
|
39
|
46
|
53
|
51
|
40
|
31
|
24
|
15
|
0
|
| record min |
-50
|
-41
|
-38
|
-14
|
7
|
22
|
31
|
30
|
19
|
-1
|
-18
|
-37
|
0
|