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December 2011
Average temperature = 7.1 °C
Average humidity = 87 %
Average dewpoint = 5.1 °C
Average barometer = 1012.2 mb
Average windspeed = 5.1 mph
Average gustspeed = 9.2 mph
Average direction = 260 ° ( W )
Avg daily max temp :9.4 °C
Avg daily min temp :4.8 °C
Growing degrees days :0.0 GDD
Total windrun = 3787.5miles
Frost days= 1
LOCAL CLIMATOLOGICAL DATA
Horfield/Filton Month: 12 / 2011
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Station Location: Horfield/Filton, Bristol, UK
Lat.051:30:00 Long.0002:34:35 Elevation(Ground): 275. above sea level
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Temperature (Celsius)
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Degree Days
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Snow/ Ice on Grnd. (cm)
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Rain (mm)
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Pressure (Hpa)
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Wind:Speed=mph
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D A Y |
Max.
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Min. |
Avg. |
Dep From Normal |
Avg Dew pt. |
Avg Wet Bulb
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Heating |
Cooling |
Sig Cond
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Sun hrs |
2400 LST _____ Snow Fall |
2400 LST _____ Water Equiv |
Avg Sea Level |
Avg Spd |
Avg Dir |
Max Spd
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Max Spd Dir |
D A Y
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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
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10.9 09.3 11.3 09.3 07.8 09.0 09.4 11.9 07.7 06.9 09.8 11.1 10.7
04.9 07.8 05.1 06.6 06.7 08.9 07.8 12.2 11.4 11.7 09.7 11.0 11.7
10.2 10.3 09.4 10.6 11.7 |
04.8 02.0 08.3 04.9 04.4 04.6 05.2 04.9 01.7 -00.0 04.9 03.2 02.8
02.5 03.0 01.1 01.6 00.8 01.9 06.4 07.3 09.2 04.4
03.9 09.4 09.3 08.5 06.0 05.6 06.2 10.1
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08.0 05.6 10.0 07.6 05.5 06.6 07.5 08.8 05.2 03.7 07.5 06.6 05.5
03.7 05.4 02.9 03.3 02.9 05.4 07.2 10.6 10.3 08.5
06.9 10.2 10.5 09.5 08.1 07.9 08.3 10.9
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+2.6 -0.1 +4.5 +0.3 -2.1 +0.1 +2.1 +2.5 -0.2 -1.6 +2.9 +1.6 +0.5
-1.7 -0.6 -1.9 +0.0 -0.7 +2.9 +4.6 +6.5 +5.0 +3.5
+1.4 +5.8 +6.3 +4.5 +3.0 +2.8 +2.1 +4.7
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06.4 04.4 07.4 04.4 01.5 03.8 03.2 06.5 01.1 01.6 05.5 05.1 03.6
02.4 03.4 01.4 01.6 01.2 04.7 05.3 09.7 09.1 06.5
05.0 09.0 09.0 06.5 05.2 05.3 06.6 10.3
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07.3 05.1 08.8 06.2 03.9 05.4 05.7 07.7 03.6 02.9 06.6 05.9 04.7
03.2 04.6 02.3 02.7 02.3 05.1 06.3 10.1 09.7 07.6
06.0 09.6 09.8 08.1 06.8 06.7 07.5 10.6
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10.3 12.7 08.3 10.7 12.8 11.7 10.8 09.5 13.1 14.6 10.8 11.7 12.8
14.6 12.9 15.4 15.0 15.4 12.9 11.1 07.7 08.0 09.8
11.4 08.1 07.8 08.8 10.2 10.4 10.0 07.4
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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
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----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----
----- ----- ----- ----- ----- ----- ----- ----- ----- -----
----- ----- ----- ----- ----- ----- ----- -----
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01.3 01.2 02.3 00.8 03.8 02.9 04.9 00.2 03.2 04.0 00.0 01.4 01.7
00.2 02.5 02.9 03.5 04.4 00.0 00.2 02.4 01.1 00.1
01.2 00.1 00.3 00.0 02.7 01.2 00.0 00.1
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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
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02.4 00.8 01.2 00.0 00.0 00.6 01.4 07.0 00.0 00.0 05.4 14.2 16.0
12.0 04.0 04.2 00.0 00.0 04.4 03.6 00.2 00.0 04.4
00.8 02.2 00.6 00.0 00.6 02.0 02.4 02.2
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1006.6 1011.8 1004.1 1001.9 1007.2 1007.7 1010.9 1009.8 1011.5 1015.6 1005.7
1000.2 989.3 993.5 995.6 991.6 1011.0 1018.2 1014.2 1016.7
1019.2 1025.6 1018.2 1028.7 1028.4 1032.7 1031.2 1021.6 1021.9
1017.2 1010.4
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02.2 02.9 06.4 04.7 06.4 04.6 07.8 08.3 05.1 01.5 04.1 04.8 08.2
03.7 06.4 04.1 03.4 02.2 02.3 03.0 05.4 05.5 05.1
05.0 07.3 05.3 03.4 07.5 08.8 04.5 08.0
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~264 ~234 ~268 ~276 ~271 ~266 ~276 ~252 ~274 ~243 ~230
~228 ~248 ~233 ~256 ~302 ~285 ~282 ~258 ~279
~268 ~262 ~254 ~257 ~250 ~245 ~227 ~260 ~271
~269 ~260
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24.2 20.7 36.8 25.3 24.2 19.6 29.9 34.5 26.5 11.5 19.6 27.6 33.4
21.9 33.4 21.9 19.6 19.6 16.1 16.1 19.6 19.6 21.9
26.5 28.8 20.7 20.7 25.3 32.2 25.3 27.6
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~248 ~203 ~248 ~270 ~270 ~270 ~270 ~248 ~270 ~270 ~225
~203 ~270 ~270 ~270 ~270 ~270 ~293 ~293 ~270
~270 ~270 ~293 ~248 ~270 ~248 ~248 ~270 ~270
~270 ~270
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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
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9.4 12.2
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4.8 -00.0
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07.1 |
+2.3 |
5.1 |
6.2 |
011.2 |
000.0 |
- |
Total 50.2 |
Total 0.0 |
93.4 +14.2 |
1012.2 |
05.1 +1.9 |
260 |
24.2 |
<Monthly Average |
Degree Days
Monthly Total Heating: 346.2 Cooling: 000.0
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Max 24-hr Precip: 16.0 on Day: 13
Max Snowfall: 0.0<
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Sea Level Pressure
Max was 1034.3 on day 27
Min was 0983.0 on day 13
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Wind Run 3787.5miles
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Day SunHrs ET Max
Solar Max UV
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01 01.3hrs ,ET :0.4 mm ,216.0 W/m² ,0.6 uv
02 01.2hrs ,ET :0.3 mm ,172.0 W/m² ,0.5 uv
03 02.3hrs ,ET :0.8 mm ,262.0 W/m² ,0.7 uv
04 00.8hrs ,ET :0.5 mm ,246.0 W/m² ,0.6 uv
05 03.8hrs ,ET :1.0 mm ,287.0 W/m² ,0.6 uv
06 02.9hrs ,ET :0.7 mm ,322.0 W/m² ,0.6 uv
07 04.9hrs ,ET :1.2 mm ,278.0 W/m² ,0.7 uv
08 00.2hrs ,ET :0.7 mm ,127.0 W/m² ,0.5 uv
09 03.2hrs ,ET :0.6 mm ,290.0 W/m² ,0.7 uv
10 04.0hrs ,ET :0.3 mm ,304.0 W/m² ,0.7 uv
11 00.0hrs ,ET :0.4 mm ,109.0 W/m² ,0.5 uv
12 01.4hrs ,ET :0.6 mm ,267.0 W/m² ,0.6 uv
13 01.7hrs ,ET :1.0 mm ,408.0 W/m² ,0.5 uv
14 00.2hrs ,ET :0.2 mm ,264.0 W/m² ,0.0 uv
15 02.5hrs ,ET :0.6 mm ,251.0 W/m² ,0.6 uv
16 02.9hrs ,ET :0.4 mm ,318.0 W/m² ,0.6 uv
17 03.5hrs ,ET :0.4 mm ,359.0 W/m² ,0.6 uv
18 04.4hrs ,ET :0.4 mm ,313.0 W/m² ,0.7 uv
19 00.0hrs ,ET :0.2 mm ,100.0 W/m² ,0.0 uv
20 00.2hrs ,ET :0.4 mm ,116.0 W/m² ,0.0 uv
21 02.4hrs ,ET :0.2 mm ,304.0 W/m² ,0.6 uv
22 01.1hrs ,ET :0.4 mm ,190.0 W/m² ,0.6 uv
23 00.1hrs ,ET :0.4 mm , 60.0 W/m² ,0.0 uv
24 01.2hrs ,ET :0.5 mm ,338.0 W/m² ,0.7 uv
25 00.1hrs ,ET :0.4 mm , 84.0 W/m² ,0.0 uv
26 00.3hrs ,ET :0.4 mm ,236.0 W/m² ,0.6 uv
27 00.0hrs ,ET :0.4 mm , 62.0 W/m² ,0.0 uv
28 02.7hrs ,ET :0.8 mm ,267.0 W/m² ,0.6 uv
29 01.2hrs ,ET :0.7 mm ,336.0 W/m² ,0.6 uv
30 00.0hrs ,ET :0.4 mm , 70.0 W/m² ,0.0 uv
31 00.1hrs ,ET :0.3 mm ,153.0 W/m² ,0.6 uv
Sunshine hours month to date= 50.2 hrs
Sunshine hours year to date= 1169.5 hrs
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Daily rain totals
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02.4 mm on day 1
00.8 mm on day 2
01.2 mm on day 3
00.6 mm on day 6
01.4 mm on day 7
07.0 mm on day 8
05.4 mm on day 11
14.2 mm on day 12
16.0 mm on day 13
12.0 mm on day 14
04.0 mm on day 15
04.2 mm on day 16
04.4 mm on day 19
03.6 mm on day 20
00.2 mm on day 21
04.4 mm on day 23
00.8 mm on day 24
02.2 mm on day 25
00.6 mm on day 26
00.6 mm on day 28
02.0 mm on day 29
02.4 mm on day 30
03.0 mm on day 31
Rainfall for month = 93.4 mm
Rainfall for year = 705.4 mm
Interesting webcam images from the month (half size)
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