LOCAL CLIMATOLOGICAL DATA
Month: 09 / 2026
Station Location: Cumberland Valley Weather, Mechanicsburg, PA
Lat.040:13:22 Long.0077:00:51
Elevation: 439 Feet Above Sea Level
Temperature
(Farenheit)
Humidity
(%)
Degree Days
Base 64 Degrees
  Snow/
Ice On
Ground
(in.)
Rain
(in.)
Pressure
(inches)
Wind-
speed
(mph)
D
A
Y
Max Min Avg Diff
From
Normal
Avg
Dew
Point
Avg
Wet
Bulb
Max Min Heating Cooling Sign.
Cond.
Sun
Hours
Max
Solar
w/m2
Solar
(kwh)
Max
UV
Evapo-
trans-
piration
Snow-
fall
Snow-
Depth
Water
Equiv.
Avg
Sea
Level
Avg
Speed
Max
Speed
Avg
Dir.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
094.9
077.3
088.1
086.4
080.9
078.7
078.4
084.1
089.2
086.1
082.3
077.5
086.0
075.1
076.4
085.6
084.5
080.0
071.7
076.8
067.7
062.3
065.9
-----
-----
-----
-----
-----
-----
-----
-----
71.0
68.4
68.8
68.9
64.0
59.2
55.6
53.1
62.7
69.5
67.1
63.1
67.9
55.7
47.0
57.8
69.3
65.7
60.9
65.5
59.1
55.8
53.7
-----
-----
-----
-----
-----
-----
-----
-----
80.4
72.0
77.0
77.5
74.2
68.7
67.0
67.4
74.9
77.7
74.4
70.2
74.7
69.5
62.7
71.9
74.9
73.0
67.4
69.2
64.2
57.6
59.1
-----
-----
-----
-----
-----
-----
-----
-----
+8.6
+1.3
+5.0
+4.6
+3.2
-1.3
-2.3
-0.8
+7.4
+9.0
+5.4
+2.7
+6.9
+2.2
-2.2
+7.1
+10.0
+6.6
+2.1
+3.6
-1.0
-7.7
-4.8
-----
-----
-----
-----
-----
-----
-----
-----
71.9
68.9
70.3
68.3
63.3
58.8
55.0
57.1
65.9
68.8
62.2
62.4
67.9
56.0
51.3
61.5
69.2
65.3
58.0
66.0
57.5
54.1
48.6
-----
-----
-----
-----
-----
-----
-----
-----
74.6
70.0
72.5
71.4
67.4
62.8
60.2
61.4
69.1
71.8
66.8
65.4
70.3
61.7
56.6
65.5
71.1
68.1
61.9
67.2
60.3
55.7
53.7
-----
-----
-----
-----
-----
-----
-----
-----
90
94
93
88
85
88
88
89
90
90
86
86
92
82
90
86
93
94
82
94
90
92
91
-----
-----
-----
-----
-----
-----
-----
-----
57
81
62
58
55
51
43
51
59
61
51
67
60
46
47
57
69
63
63
80
62
72
55
-----
-----
-----
-----
-----
-----
-----
-----
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
02.2
00.0
00.0
00.0
00.0
00.0
00.8
07.3
05.9
-----
-----
-----
-----
-----
-----
-----
-----
15.4
07.1
12.0
12.6
09.3
03.7
02.0
02.5
10.0
12.7
09.5
05.2
09.8
04.5
00.0
06.9
10.0
08.0
02.4
04.3
00.0
00.0
00.0
-----
-----
-----
-----
-----
-----
-----
-----
HOT
RAIN
-----
-----
-----
-----
-----
-----
-----
-----
-----
-----
-----
-----
-----
-----
RAIN
-----
-----
RAIN
-----
RAIN
-----
-----
-----
-----
-----
-----
-----
-----
-----
03.8
01.0
05.9
06.7
04.3
08.6
09.3
07.8
04.8
02.6
05.6
00.2
03.5
08.5
09.3
09.2
01.5
02.1
00.9
00.2
00.4
00.0
04.6
-----
-----
-----
-----
-----
-----
-----
-----
898.0
789.0
844.0
916.0
1085.0
997.0
814.0
791.0
947.0
956.0
768.0
775.0
1000.0
981.0
803.0
728.0
900.0
849.0
821.0
316.0
531.0
373.0
844.0
-----
-----
-----
-----
-----
-----
-----
-----
004.0
002.1
004.8
005.1
004.6
005.9
005.7
005.3
004.2
003.7
004.7
002.1
003.5
005.4
005.4
005.1
002.7
003.3
002.9
001.3
001.6
001.1
004.2
-----
-----
-----
-----
-----
-----
-----
-----
06.1
04.4
06.3
06.1
06.5
06.3
05.6
05.5
06.0
06.4
05.2
05.1
06.2
05.4
05.6
05.1
04.9
05.1
05.3
02.3
03.1
02.8
05.0
-----
-----
-----
-----
-----
-----
-----
-----
0.15
0.07
0.17
0.17
0.13
0.14
0.17
0.17
0.13
0.13
0.13
0.07
0.11
0.14
0.14
0.14
0.08
0.09
0.08
0.05
0.05
0.04
0.11
-----
-----
-----
-----
-----
-----
-----
-----
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
-----
-----
-----
-----
-----
-----
-----
-----
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
00.00
-----
-----
-----
-----
-----
-----
-----
-----
00.91
00.77
00.30
00.00
00.00
00.00
00.00
00.00
00.00
00.01
00.00
00.00
00.15
00.00
00.00
00.00
01.61
00.01
00.00
01.12
00.21
00.72
00.01
-----
-----
-----
-----
-----
-----
-----
-----
29.95
30.02
29.95
29.87
29.85
29.96
30.14
30.21
30.09
29.88
29.96
30.02
29.89
30.08
30.31
30.28
30.14
30.07
30.09
29.91
30.04
30.23
30.38
-----
-----
-----
-----
-----
-----
-----
-----
00.7
00.6
01.2
01.5
01.2
01.1
00.6
00.1
00.1
00.8
00.6
01.2
00.7
02.6
00.4
00.3
00.3
01.2
01.4
00.9
01.1
01.5
01.7
-----
-----
-----
-----
-----
-----
-----
-----
12.7
19.6
17.3
12.7
14.9
13.8
10.3
06.9
09.2
10.3
09.2
12.7
08.1
18.4
10.3
09.2
16.1
11.5
13.8
12.7
11.5
16.1
18.4
-----
-----
-----
-----
-----
-----
-----
-----
~241
~147
~250
~284
~336
~324
~327
~311
~144
~257
~351
~116
~270
~329
~118
~141
~163
~326
~107
~127
~007
~091
~063
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  79.8

62.2

70.7

+4.0

62.1

65.4

    0000.7

0006.4

  Total
100.0
        Total
0.00
  Total
5.82
30.058

00.9

12.9

343


Maximum Temperature: 94.9
Minimum Temperature: 47.0
Maximum Pressure: 30.44
Minimum Pressure: 29.81
Maximum Daily Precip: 1.61 (in.)
Maximum Daily Snowfall: 0.00 (in.)

Gale: 0 Day(s)
Maximum Wind: 19.6
Wind Run: 520.5miles
Heating Degree Days: 016.2
Cooling Degree Days: 148.0

Max. Temp. >= 86 Was 6 Day(s)
Max. Temp. <= 32 Was 0 Day(s)
Min. Temp. <= 86 Was 23 Day(s)
Min. Temp. <= 0 Was 0 Day(s)
Precipitation >=.01inch Was 11 Day(s)
Precipitation >=.10inch Was 8 Day(s)
Snowfall >=1.0inch Was 0 Day(s)