NOAA Report: September


Untitled 1


LOCAL CLIMATOLOGICAL DATA
Month: 09 / 2025
Station Location: Hillview, Harrow, United Kingdom
Lat.051:35:36 Long.0000:21:51
Elevation: 200 Feet Above Sea Level
Temperature
(Celsius)
Humidity
(%)
Degree Days
Base 18 Degrees
  Snow/
Ice On
Ground
(cm)
Rain
(mm)
Pressure
(Hpa)
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
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
21.4
18.2
21.8
20.0
23.1
23.8
25.8
22.4
21.7
17.6
20.0
19.4
18.7
17.2
19.0
20.1
18.2
20.8
27.3
20.5
17.1
17.4
18.4
19.2
19.5
15.2
17.5
15.9
18.9
20.4
-----
12.6
08.6
14.9
12.2
07.8
09.7
13.4
11.2
07.0
13.1
10.8
10.1
08.0
04.7
13.1
10.5
11.9
16.0
13.9
12.7
07.9
04.2
02.9
08.3
07.9
08.0
10.8
08.2
04.1
05.6
-----
16.0
14.6
17.4
15.5
15.6
17.2
19.3
16.5
14.9
15.3
13.9
13.3
13.1
11.8
15.2
14.5
15.6
18.6
19.6
16.0
12.2
10.3
10.4
12.7
12.9
11.6
13.7
12.4
11.5
12.2
-----
-0.6
-2.0
+0.4
-1.4
-1.3
+0.5
+2.7
+0.1
-1.5
-1.1
-2.1
-2.4
-2.4
-3.8
+0.2
-0.5
+1.2
+4.1
+4.7
+0.6
-3.1
-4.2
-3.7
-1.4
-1.0
-2.1
+0.0
-1.5
-2.3
-3.8
-----
12.6
12.6
15.2
12.1
10.9
11.8
14.8
11.2
09.8
12.8
10.5
09.9
09.9
10.0
11.2
09.7
13.6
16.0
15.2
13.3
07.0
05.0
06.3
07.4
06.1
08.0
09.3
10.3
08.2
07.9
-----
14.1
13.5
16.1
13.6
13.0
14.3
16.6
13.7
12.2
13.9
12.1
11.5
11.5
10.9
13.0
12.0
14.5
17.0
17.0
14.5
09.7
07.9
08.5
10.1
09.7
09.8
11.4
11.3
09.9
10.1
-----
89
93
94
91
92
91
86
92
92
92
93
88
91
93
91
88
92
90
92
92
87
87
88
91
87
85
86
91
94
91
0
64
74
72
61
51
49
61
48
53
76
57
59
63
78
64
54
83
77
50
73
49
50
59
41
37
70
60
79
61
53
100
02.3
03.7
00.9
02.8
02.7
01.1
00.0
01.8
03.4
03.0
04.4
05.0
05.2
06.5
03.1
03.8
02.7
00.0
00.0
02.3
06.1
08.0
07.9
05.6
05.4
06.7
04.6
05.9
06.8
06.1
-----
00.0
00.0
00.0
00.0
00.0
00.0
01.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.3
01.3
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
-----
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-----
-----
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-----
-----
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-----
-----
-----
00.0
02.6
01.4
03.7
08.3
05.4
04.7
08.8
07.4
00.8
05.1
06.1
05.0
01.2
04.9
06.9
00.0
00.0
08.4
00.4
07.7
08.2
05.9
06.0
08.6
00.0
03.5
00.5
05.3
00.0
-----
915.8
762.3
783.1
828.6
764.3
840.5
847.4
824.7
845.5
725.7
783.1
810.8
851.4
291.1
866.3
767.3
238.6
305.9
579.1
482.1
769.2
790.0
792.0
748.4
696.0
240.6
679.1
369.3
673.2
601.9
-----
003.4
002.3
002.1
002.6
004.1
004.0
003.2
004.4
003.9
001.7
003.0
003.0
003.2
001.3
002.8
003.4
000.8
001.2
004.0
001.5
003.4
003.7
002.9
003.4
003.9
000.9
002.4
001.0
002.9
003.4
-----
04.9
04.7
04.8
04.5
04.5
05.0
05.5
04.9
04.8
04.7
04.7
04.5
04.8
02.5
04.2
03.9
02.3
02.5
04.0
02.7
03.7
03.4
03.7
03.3
03.3
01.7
02.9
01.5
03.1
03.1
-----
00.0
01.5
02.5
02.1
02.6
03.1
03.3
03.2
02.9
01.5
02.5
02.3
01.9
01.0
03.0
02.6
00.9
01.3
03.4
01.7
02.6
02.7
02.3
02.6
03.2
00.7
02.0
00.7
01.7
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
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
00.0
00.0
00.0
-----
01.9
04.2
12.0
04.9
00.0
00.0
00.0
00.0
00.0
12.4
00.6
03.5
03.1
11.0
02.7
00.0
01.7
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
03.4
00.2
00.0
-----
1002.0
1001.6
0996.0
1005.3
1018.3
1016.9
1007.9
1014.8
1014.0
1001.7
1001.9
1008.7
1007.7
1007.2
1003.9
1015.8
1015.6
1017.5
1016.2
1008.1
1016.7
1025.8
1027.4
1026.2
1024.0
1021.0
1018.6
1019.8
1024.3
1025.1
-----
004
003
005
003
001
003
004
002
003
004
003
003
003
003
006
002
004
004
003
005
004
003
003
004
004
002
003
001
001
001
-----
022
018
028
018
012
029
026
020
016
018
025
021
018
021
035
020
022
022
016
035
018
017
018
020
022
010
017
009
008
008
-----
~216
~193
~223
~244
~264
~173
~194
~244
~210
~192
~256
~252
~236
~209
~266
~282
~235
~248
~207
~227
~015
~029
~037
~060
~056
~068
~184
~199
~004
~344
-----
  19.9

9.7

14.5

-0.8

10.6

12.4

    0003.9

0000.1

  Total
140.0
        Total
0.0
Total
61.6
1013.7

03.2

19.6

230


Maximum Temperature: 27.3
Minimum Temperature: 02.9
Maximum Pressure: 1028.1
Minimum Pressure: 0992.1
Maximum Daily Precip: 12.7 (mm)
Maximum Daily Snowfall: 0.0 (cm)

Gale: 0 Day(s)
Maximum Wind: 035
Wind Run: 2299.3miles
Heating Degree Days: 117.8
Cooling Degree Days: 002.6

Max. Temp. >= 30 Was 0 Day(s)
Max. Temp. <= 0 Was 0 Day(s)
Min. Temp. <= 30 Was 30 Day(s)
Min. Temp. <= -18 Was 0 Day(s)
Precipitation >= 0.2mm Was 12 Day(s)
Precipitation >= 2.5mm Was 9 Day(s)
Snowfall >= 25mm Was 0 Day(s)