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Report for 2021 Jul
LOCAL CLIMATOLOGICAL DATA
Month: 07 / 2021
Station Location: Chelmsford Weather Station, Chelmsford, Essex
Lat.051:44:07 Long.-000:29:59
Elevation: 110 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 Max
Soil
Temp
Min
Soil
Temp
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
21.6
26.1
23.5
23.5
22.8
20.9
22.6
24.8
23.4
19.4
21.9
21.7
24.3
23.5
22.4
26.6
28.1
31.2
28.1
29.3
28.7
27.9
22.4
23.0
25.3
24.7
24.0
21.3
23.0
19.4
21.4
08.9
11.5
15.3
13.1
14.0
12.4
11.6
12.6
13.6
12.4
13.1
13.9
14.6
12.6
13.1
09.9
12.8
13.9
15.9
15.3
15.3
14.2
13.2
14.6
16.1
15.8
15.4
13.1
11.7
14.0
13.6
15.4
18.7
18.3
17.5
17.1
15.2
16.5
17.3
17.9
15.8
17.3
17.1
18.4
17.6
17.5
18.3
20.2
22.2
21.7
20.9
21.8
20.3
17.5
17.8
18.9
19.4
18.9
16.9
16.8
16.2
16.6
-3.3
+0.9
+0.8
-0.8
-3.3
-4.1
-2.7
-1.2
-1.2
-1.8
-0.1
-0.7
+0.6
-0.3
-0.4
-1.8
-0.2
+2.4
+3.1
+2.6
+3.3
+0.5
-3.3
-3.5
-2.5
-1.1
-0.1
-0.4
-1.1
-2.8
-----
10.0
14.2
16.6
15.6
13.4
14.1
14.0
14.8
16.2
14.5
14.9
15.9
15.7
15.1
14.8
12.8
15.1
16.5
17.7
18.3
17.5
16.2
14.6
16.1
17.0
16.9
15.5
15.4
11.2
14.5
14.5
12.6
16.1
17.3
16.4
15.0
14.6
15.1
15.8
16.9
15.1
15.9
16.4
16.8
16.2
15.9
15.2
17.1
18.7
19.2
19.2
19.1
17.8
15.8
16.8
17.7
17.8
16.9
16.0
13.8
15.2
15.4
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100
99
100
100
40
55
72
66
52
65
65
52
63
76
66
75
63
66
67
42
48
41
57
58
53
57
66
72
63
65
60
65
42
78
64
02.9
00.0
00.0
00.8
01.2
03.1
01.8
01.0
00.4
02.5
01.0
01.2
00.0
00.7
00.8
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.8
00.5
00.0
00.0
00.0
01.4
01.5
02.1
01.7
00.0
00.4
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.1
00.0
00.0
00.0
01.9
03.9
03.4
02.6
03.5
02.0
00.0
00.0
00.6
01.1
00.6
00.0
00.0
00.0
00.0
18.5
20.1
19.9
20.0
19.6
19.2
19.1
19.2
19.1
19.1
19.4
19.6
19.6
19.1
19.9
21.3
22.0
23.3
24.1
24.0
23.3
22.3
21.9
22.6
21.9
21.4
20.3
19.1
19.3
19.3
0.0
14.9
15.6
17.4
17.3
17.4
17.0
16.5
16.5
17.0
16.6
16.8
17.4
16.7
16.8
16.1
16.6
17.2
18.1
18.3
18.4
18.2
17.6
17.8
18.6
18.8
18.7
18.0
16.4
17.2
16.7
0.0
-----
-----
RAIN
-----
RAIN
RAIN
-----
-----
RAIN
-----
-----
RAIN
-----
-----
-----
-----
HOT
HOT
HOT
HOT
HOT
HOT
-----
-----
RAIN
-----
-----
-----
-----
-----
RAIN
08.8
08.5
02.1
02.6
03.4
01.6
01.3
03.0
02.9
04.3
02.6
05.7
05.3
01.0
10.4
10.9
10.7
10.8
07.3
10.8
10.8
04.0
02.3
04.3
06.1
02.7
00.9
03.5
00.5
03.3
00.0
640.6
684.9
469.0
446.5
617.7
414.5
413.1
772.5
354.4
000.0
420.4
843.6
649.0
541.2
557.3
736.8
876.0
874.0
729.2
816.1
784.1
864.0
510.9
563.0
586.6
584.6
480.5
596.0
498.3
404.6
412.7
003.2
003.2
001.4
001.7
002.0
001.1
001.4
002.0
001.6
000.0
003.3
001.8
002.4
002.1
001.6
004.3
005.0
004.6
004.4
003.3
004.3
004.5
002.1
001.5
001.9
002.6
001.6
001.1
002.0
000.9
001.5
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
02.9
03.3
01.7
01.7
02.2
01.6
01.8
02.3
01.5
01.4
01.3
02.3
02.0
01.9
03.8
04.0
03.7
03.5
03.2
03.9
03.9
02.0
01.4
01.7
02.1
02.0
01.3
02.9
01.2
01.4
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
00.0
00.0
00.0
05.6
02.0
05.1
07.4
00.3
00.3
06.6
00.3
00.0
10.7
00.3
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
00.0
01.8
06.9
00.0
00.0
04.6
00.0
03.8
12.7
1017.7
1015.9
1011.9
1007.6
1004.6
0999.6
1011.4
1019.2
1020.2
1016.3
1015.1
1011.1
1014.0
1017.2
1021.7
1026.3
1027.9
1024.5
1020.9
1019.9
1022.0
1022.6
1017.2
1008.6
1007.1
1009.4
1007.7
1006.1
1008.9
1003.0
1008.1
01.0
00.6
01.1
01.5
01.8
03.4
02.9
00.8
00.3
00.0
00.3
00.3
01.2
01.6
01.9
01.3
00.7
00.6
01.1
00.7
00.8
00.8
02.4
01.7
00.5
00.4
01.7
02.4
03.6
03.6
01.5
16.1
10.3
13.8
16.1
17.3
23.0
17.3
11.5
06.9
03.5
08.1
09.2
16.1
16.1
18.4
14.9
09.2
10.3
11.5
13.8
10.3
11.5
16.1
16.1
13.8
10.3
13.8
19.6
18.4
21.9
13.8
~347
~170
~237
~230
~250
~256
~246
~258
~256
~201
~201
~112
~017
~008
~021
~054
~095
~223
~129
~134
~120
~129
~119
~116
~082
~110
~255
~271
~279
~255
~307
  24.1

13.5

18.1

-0.9

15.1

16.4

    0000.8

0000.6

      Total
152.0
        Total
0.0
Total
68.6
1014.3

01.4

13.8

246


Maximum Temperature: 31.2
Minimum Temperature: 08.9
Maximum Pressure: 1029.1
Minimum Pressure: 0993.7
Maximum Daily Precip: 12.7 (mm)
Maximum Daily Snowfall: 0.0 (cm)

Gale: 0 Day(s)
Maximum Wind: 23.0
Wind Run: 1018.8miles
Heating Degree Days: 025.4
Cooling Degree Days: 020.0

Max. Temp. >= 25 Was 9 Day(s)
Max. Temp. <= 5 Was 0 Day(s)
Min. Temp. <= 1 Was 0 Day(s)
Min. Temp. <= -2 Was 0 Day(s)
Precipitation >= 0.2mm Was 15 Day(s)
Precipitation >= 2.5mm Was 9 Day(s)
Snowfall >= 25mm Was 0 Day(s)