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December 2017
Average temperature = 6.3°C
Average humidity = 89%
Average dewpoint = 4.6°C
Average barometer = 1014.5 mb
Average windspeed = 3.2 mph
Average gustspeed = 6.5 mph
Average direction = 266° ( W )
Avg daily max temp :8.6°C
Avg daily min temp :3.9°C
Growing degrees days :0.0 GDD
Total windrun = 2365.9miles
Frost days = 2
Days with snowfall = 2
Total snowfall = 4cm (1.6 inches)
LOCAL CLIMATOLOGICAL DATA
Horfield/Filton
Month: 12 / 2017
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Station Location: Horfield/Filton, Bristol, UK
Lat.051:30:00 Long.0002:34:35
Elevation(Ground): 275. above sea level
|
Temperature
(Celsius)
|
Degree Days
|
|
Snow/
Ice on
Grnd. (cm)
|
Rain
(mm)
|
Pressure
(Hpa)
|
Wind:Speed=mph
|
D
A
Y |
Max.
|
Min. |
Avg. |
Dep
From
Normal |
Avg
Dew
pt. |
Avg
Wet
Bulb
|
Heating |
Cooling |
Sig
Cond
|
Sun hrs |
2400
LST
_____
Snow Fall |
2400
LST
_____
Water
Equiv |
Avg
Sea
Level |
Avg
Spd |
Avg
Dir |
Max
Spd
|
Max
Spd
Dir |
D
A
Y
|
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
|
06.7
09.1
10.8
09.9
08.7
11.0
13.1
04.8
04.7
04.8
03.2
08.0
08.8
06.4
06.6
07.6
10.4
08.8
09.0
11.3
10.8
10.8
09.4
09.9
11.8
06.5
04.8
05.3
08.2
12.6
13.1
|
01.9
03.4
05.2
04.4
07.3
08.7
04.7
01.7
00.6
00.6
-00.4
-01.6
03.2
03.9
02.3
01.7
02.1
02.3
01.0
09.0
09.9
09.4
08.3
08.2
04.8
01.6
00.7
01.0
02.0
05.7
06.3
|
03.7
06.1
08.2
07.5
07.9
09.9
09.4
03.1
02.5
01.4
01.0
02.4
06.4
05.0
05.0
04.1
06.4
05.3
05.4
10.2
10.4
10.2
08.8
09.2
09.6
05.2
02.6
02.5
05.8
10.7
09.8
|
-1.8
+0.1
+2.1
+0.8
+0.9
+3.3
+2.6
-4.0
-4.1
-4.8
-4.0
-3.1
+0.9
-1.5
-2.3
-2.3
+1.0
-0.3
+0.7
+5.4
+4.4
+3.4
+2.0
+2.7
+3.8
-0.4
-3.1
-2.9
+0.4
+4.3
-----
|
00.5
04.1
06.5
05.9
06.1
07.2
06.8
00.4
-00.1
00.6
-00.5
01.2
04.9
02.6
02.3
01.9
05.7
03.5
04.5
09.6
09.8
09.7
08.3
08.2
07.9
03.9
00.6
00.8
03.5
09.1
07.8
|
02.5
05.2
07.4
06.7
07.1
08.6
08.2
02.1
01.5
01.1
00.5
02.0
05.7
04.1
03.9
03.2
06.1
04.6
05.0
09.9
10.1
09.9
08.6
08.7
08.8
04.6
01.8
01.8
04.9
09.9
08.8
|
11.8
09.4
07.3
08.0
07.6
05.6
06.1
12.4
13.0
14.1
14.5
13.1
09.1
10.5
10.5
11.4
09.1
10.2
10.1
05.3
05.1
05.3
06.7
06.3
05.9
10.3
12.9
13.0
09.7
04.8
05.7
|
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
|
-----
-----
-----
-----
-----
-----
-----
-----
-----
SNOW
COLD
COLD
-----
-----
-----
-----
-----
-----
-----
-----
-----
-----
-----
-----
RAIN
RAIN
SNOW
-----
-----
-----
-----
|
06.5
01.4
01.8
00.4
00.1
00.3
01.9
03.5
03.0
00.6
02.7
03.4
00.2
02.9
03.7
03.8
00.5
05.9
02.9
00.6
00.0
00.2
00.2
00.4
00.3
02.0
04.3
05.9
02.9
02.2
00.8
|
00.0
00.0
00.0
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
00.0
00.0
00.0
00.0
00.0
00.0
03.0
00.0
00.0
00.0
00.0
|
00.0
00.6
00.0
00.0
00.4
00.8
02.6
00.2
00.0
17.2
03.2
00.4
09.2
00.4
00.2
00.0
01.6
00.0
00.0
00.0
00.6
03.8
00.0
00.0
20.8
15.0
11.4
00.2
09.2
01.8
05.8
|
1024.5
1028.1
1029.0
1035.0
1035.9
1025.7
1010.8
1018.8
1015.3
0981.5
0988.7
1007.0
0997.2
0991.9
1002.4
1020.0
1023.1
1030.4
1035.5
1035.8
1036.4
1036.3
1034.4
1024.3
1005.2
0992.0
0993.2
1004.6
0997.1
0996.6
0994.0
|
02.7
00.3
00.7
00.6
01.1
05.8
06.0
04.3
01.2
02.2
03.4
01.2
04.9
05.0
03.1
01.3
02.8
00.1
00.7
02.7
04.0
00.8
04.5
04.0
06.7
03.4
03.8
01.3
05.6
08.4
06.2
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~014
~336
~299
~304
~257
~214
~255
~293
~269
~074
~014
~232
~266
~267
~314
~295
~271
~035
~296
~268
~266
~259
~263
~234
~226
~213
~326
~270
~250
~255
~241
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20.7
08.1
11.5
10.3
11.5
25.3
29.9
26.4
11.5
17.3
24.1
18.4
32.2
27.6
18.4
14.9
24.1
11.5
11.5
14.9
17.3
16.1
20.7
17.3
32.2
23.0
21.9
13.8
29.9
40.3
24.1
|
~349
~294
~286
~284
~230
~125
~256
~269
~303
~100
~056
~248
~306
~282
~015
~276
~279
~009
~268
~276
~280
~263
~254
~238
~225
~019
~355
~288
~210
~243
~212
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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
|
|
|
8.6
13.1
|
3.9
-01.6
|
06.3 |
+0.2 |
4.6 |
5.6 |
0009.2 |
0000.0 |
- |
Total
64.7 |
Total
4.0 |
105.4
+37.4 |
1014.5 |
03.2
+-0.4 |
266 |
20.2 |
<Monthly Average |
Degree Days
Monthly Total
Heating: 284.7
Cooling: 000.0
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Max 24-hr Precip: 20.8 on Day: 25
Max Snowfall: 3.0<
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Sea Level Pressure
Max was 1038.1 on day 22
Min was 0970.8 on day 10
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Wind Run 2365.9miles
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-------------------------------------------
Day SunHrs ET Max
Solar Max UV
-------------------------------------------
01 06:30hrs ,ET :0.5 mm ,304.0 W/m² ,0.7 uv
02 01:24hrs ,ET :0.2 mm ,332.0 W/m² ,0.7 uv
03 01:48hrs ,ET :0.3 mm ,301.0 W/m² ,0.6 uv
04 00:24hrs ,ET :0.2 mm , 90.0 W/m² ,0.5 uv
05 00:06hrs ,ET :0.2 mm ,204.0 W/m² ,0.7 uv
06 00:18hrs ,ET :0.7 mm , 72.0 W/m² ,0.0 uv
07 01:54hrs ,ET :0.7 mm ,283.0 W/m² ,0.7 uv
08 03:30hrs ,ET :0.5 mm ,352.0 W/m² ,0.6 uv
09 03:00hrs ,ET :0.3 mm ,236.0 W/m² ,0.6 uv
10 00:36hrs ,ET :0.2 mm , 74.0 W/m² ,0.0 uv
11 02:42hrs ,ET :0.3 mm ,237.0 W/m² ,0.6 uv
12 03:24hrs ,ET :0.3 mm ,197.0 W/m² ,0.6 uv
13 00:12hrs ,ET :0.5 mm ,207.0 W/m² ,0.5 uv
14 02:54hrs ,ET :0.5 mm ,225.0 W/m² ,0.5 uv
15 03:42hrs ,ET :0.4 mm ,279.0 W/m² ,0.6 uv
16 03:48hrs ,ET :0.3 mm ,338.0 W/m² ,0.6 uv
17 00:30hrs ,ET :0.2 mm ,116.0 W/m² ,0.5 uv
18 05:54hrs ,ET :0.3 mm ,218.0 W/m² ,0.7 uv
19 02:54hrs ,ET :0.2 mm ,248.0 W/m² ,0.6 uv
20 00:36hrs ,ET :0.5 mm ,104.0 W/m² ,0.5 uv
21 00:00hrs ,ET :0.3 mm , 84.0 W/m² ,0.0 uv
22 00:12hrs ,ET :0.1 mm , 90.0 W/m² ,0.0 uv
23 00:12hrs ,ET :0.2 mm ,104.0 W/m² ,0.5 uv
24 00:24hrs ,ET :0.2 mm , 77.0 W/m² ,0.0 uv
25 00:18hrs ,ET :0.3 mm ,158.0 W/m² ,0.6 uv
26 02:00hrs ,ET :0.2 mm ,251.0 W/m² ,0.6 uv
27 04:18hrs ,ET :0.4 mm ,253.0 W/m² ,0.6 uv
28 05:54hrs ,ET :0.3 mm ,236.0 W/m² ,0.6 uv
29 02:54hrs ,ET :0.5 mm ,362.0 W/m² ,0.5 uv
30 02:12hrs ,ET :1.0 mm ,290.0 W/m² ,0.6 uv
31 00:48hrs ,ET :0.6 mm ,162.0 W/m² ,0.0 uv
Sunshine hours month to date= 64:42 (h:m)
Sunshine hours year to date= 1180:45 (h:m)
-----------------------------------
Daily rain totals
-----------------------------------
00.6 mm on day 2
00.4 mm on day 5
00.8 mm on day 6
02.6 mm on day 7
00.2 mm on day 8
17.2 mm on day 10
03.2 mm on day 11 (snowmelt)
00.4 mm on day 12
09.2 mm on day 13
00.4 mm on day 14
00.2 mm on day 15
01.6 mm on day 17
00.6 mm on day 21
03.8 mm on day 22
20.8 mm on day 25
15.0 mm on day 26
11.4 mm on day 27 (includes snowmelt)
00.2 mm on day 28
09.2 mm on day 29
01.8 mm on day 30
05.8 mm on day 31
Rainfall for month = 105.4 mm
Rainfall for year = 647.8 mm
Interesting webcam images from the month (half size)
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