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Report for 2021 Dec
LOCAL CLIMATOLOGICAL DATA
Month: 12 / 2021
Station Location: Chelmsford Weather Station, Chelmsford, Essex
Lat.051:59:59 Long.-001:59:59
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
10.6
04.3
08.5
07.2
06.7
05.7
06.9
07.9
06.9
06.8
09.9
13.3
11.9
12.9
12.5
11.9
09.4
08.9
06.4
07.3
06.7
03.7
10.8
10.2
08.0
07.8
09.9
09.9
14.7
15.0
15.7
01.9
00.3
01.2
01.8
02.8
01.9
-00.2
04.3
02.6
02.1
01.3
09.9
08.6
08.1
09.3
09.4
03.9
06.3
02.9
04.7
-01.6
-02.9
02.7
06.7
04.7
04.7
07.3
08.7
06.9
13.1
11.3
07.4
01.7
05.1
05.0
04.5
03.6
03.6
05.9
05.1
05.1
05.3
11.6
10.2
10.4
11.3
10.6
07.1
07.5
04.7
05.8
04.0
00.6
07.4
08.0
06.2
06.4
08.6
09.4
10.5
14.2
13.3
+2.4
-4.1
-1.2
+1.4
-0.8
-4.2
-3.9
-0.8
-1.0
-0.9
+0.2
+7.1
+4.1
+4.3
+6.3
+4.7
+1.4
+0.7
-2.5
-1.2
-5.3
-7.8
-1.1
+1.3
+0.2
+0.1
+4.6
+5.9
+6.0
+9.2
-----
06.0
-00.1
04.8
03.6
04.5
03.6
03.6
03.5
03.9
04.2
04.9
11.3
09.5
09.9
09.7
09.0
07.1
07.5
04.7
04.8
03.2
00.5
07.4
08.0
06.2
06.4
08.6
09.1
10.1
13.5
12.9
06.7
01.1
05.0
04.4
04.5
03.6
03.6
04.9
04.6
04.8
05.1
11.4
09.9
10.1
10.5
09.8
07.1
07.5
04.7
05.4
03.7
00.6
07.4
08.0
06.2
06.4
08.6
09.2
10.3
13.8
13.1
100
94
100
100
100
100
100
99
100
100
100
100
100
100
100
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
76
83
88
78
96
98
98
73
82
82
88
93
89
89
83
82
97
100
100
84
79
93
100
100
100
100
100
92
90
90
89
10.9
16.6
13.2
13.3
13.8
14.7
14.7
12.4
13.2
13.2
13.0
06.7
08.1
07.9
07.0
07.7
11.2
10.8
13.6
12.5
14.3
17.7
10.9
10.3
12.1
11.9
09.7
08.9
07.8
04.1
05.0
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
7.9
5.2
6.3
5.8
5.9
5.5
5.4
5.4
5.5
5.9
6.8
9.1
9.1
9.4
9.6
9.8
9.2
8.7
8.2
7.6
7.4
4.8
7.9
8.0
7.9
7.6
8.6
8.7
10.2
11.6
11.9
5.1
3.4
3.4
4.9
4.5
4.1
3.3
4.1
4.4
3.9
3.4
6.7
8.1
7.9
8.5
9.1
7.6
8.2
6.9
6.6
4.7
3.4
4.5
6.6
6.6
6.6
7.4
8.1
7.9
9.7
10.5
-----
-----
-----
-----
RAIN
-----
COLD
-----
-----
-----
-----
-----
-----
-----
-----
-----
-----
-----
-----
-----
COLD
COLD
-----
RAIN
-----
RAIN
-----
-----
-----
-----
-----
02.1
01.7
00.0
03.1
00.2
00.0
00.0
01.0
01.5
05.1
00.6
01.8
00.4
00.8
00.0
00.0
00.0
00.0
00.0
00.0
00.0
02.0
00.0
01.4
00.0
00.0
00.0
00.0
00.0
00.0
00.6
495.9
113.5
050.3
118.4
043.1
014.7
011.0
077.0
119.3
089.1
056.8
103.3
063.6
075.7
011.2
014.3
011.2
003.0
012.1
020.0
015.9
105.7
014.1
076.9
000.0
004.1
008.1
009.4
013.2
021.0
083.1
001.3
000.2
000.1
000.3
000.0
000.0
000.0
000.1
000.2
000.3
000.1
000.2
000.1
000.2
000.0
000.0
000.0
000.0
000.0
000.1
000.0
000.2
000.0
000.2
000.0
000.0
000.0
000.0
000.0
000.0
000.1
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
00.5
00.3
00.1
00.2
00.1
00.1
00.1
00.5
00.1
00.2
00.1
00.6
00.2
00.2
00.1
00.1
00.0
00.1
00.1
00.1
00.0
00.1
00.3
00.2
00.1
00.0
00.1
00.2
00.2
00.7
00.2
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
01.3
00.0
00.6
02.3
07.4
03.1
04.6
00.0
03.6
04.1
01.0
01.5
00.0
00.0
00.0
00.0
00.0
00.3
00.0
00.0
00.0
00.0
00.0
09.4
04.8
06.1
02.8
01.3
01.3
00.0
00.0
0996.7
1009.5
1003.4
0995.7
1003.8
1008.4
0996.6
0989.8
0997.7
0997.0
1014.4
1018.6
1022.4
1025.4
1029.4
1037.0
1039.9
1038.9
1033.7
1028.1
1023.9
1017.8
1006.1
1002.5
1002.6
0999.2
0990.7
0989.9
1002.1
1010.3
1014.4
04.1
02.3
00.5
02.6
03.4
01.0
02.0
05.1
00.9
05.5
00.5
02.0
01.5
00.9
00.5
00.0
00.7
01.3
00.1
00.1
00.0
00.1
00.8
00.3
03.9
01.4
00.6
03.3
01.8
05.7
03.4
23.0
21.9
13.8
20.7
21.9
17.3
24.1
20.7
13.8
27.6
11.5
13.8
14.9
11.5
09.2
04.6
13.8
13.8
06.9
08.1
06.9
08.1
10.3
10.3
17.3
14.9
09.2
21.9
18.4
20.7
18.4
~308
~332
~260
~290
~337
~268
~198
~251
~252
~332
~256
~257
~232
~255
~274
~324
~092
~118
~029
~061
~115
~151
~242
~187
~123
~141
~168
~290
~261
~251
~249
  9.3

4.7

07.1

+1.2

6.5

6.8

    0011.2

0000.0

      Total
22.0
        Total
0.0
Total
54.6
1011.2

01.8

15.1

269


Maximum Temperature: 15.7
Minimum Temperature: -02.9
Maximum Pressure: 1041.2
Minimum Pressure: 0983.3
Maximum Daily Precip: 9.4 (mm)
Maximum Daily Snowfall: 0.0 (cm)

Gale: 0 Day(s)
Maximum Wind: 27.6
Wind Run: 1337.7miles
Heating Degree Days: 347.3
Cooling Degree Days: 000.0

Max. Temp. >= 25 Was 0 Day(s)
Max. Temp. <= 5 Was 2 Day(s)
Min. Temp. <= 1 Was 4 Day(s)
Min. Temp. <= -2 Was 1 Day(s)
Precipitation >= 0.2mm Was 17 Day(s)
Precipitation >= 2.5mm Was 10 Day(s)
Snowfall >= 25mm Was 0 Day(s)