LOCAL CLIMATOLOGICAL DATA
Month: 05 / 2009
Station Location: Weerstation Marsdijk Assen, Assen, Drenthe
Lat.053:01:21 Long.-006:35:26
Elevation: 10 Above Sea Level
Temperature
(Celsius)
Degree Days
Base 18 Degrees
  Snow/
Ice On
Ground
(cm)
Rain
(mm)
Pressure
(hPa)
Wind-
speed
(km/h)
D
A
Y
Max. Min. Avg. Dep.
From
Normal
Avg.
Dew
Point
Avg.
Wet
Bulb
Heating Cooling Sign.
Cond.
Sun
Hours
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
24.2
20.3
14.1
15.8
13.4
14.9
14.4
17.3
18.1
21.8
17.4
20.9
21.6
17.9
16.9
16.4
16.2
17.9
19.5
20.7
20.5
17.5
22.2
22.9
22.5
20.2
16.4
20.5
22.5
21.9
25.1
08.7
08.1
08.6
05.5
08.1
10.6
10.8
08.1
06.9
06.7
06.2
04.3
06.9
09.6
09.6
07.4
11.6
10.1
09.8
09.6
09.8
08.8
08.8
10.6
08.5
10.4
08.9
10.7
07.0
09.1
11.9
14.3
14.1
11.4
10.1
11.0
12.4
13.0
12.2
12.2
13.4
11.4
12.3
14.1
14.5
11.8
12.7
13.1
14.0
14.6
14.8
14.7
12.7
15.5
16.7
15.4
15.5
12.3
15.0
14.4
16.2
18.8
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10.3
09.7
08.0
04.8
07.7
09.6
09.5
08.0
06.7
07.3
06.4
04.9
04.4
05.7
09.1
08.3
10.4
09.2
09.3
09.0
09.1
08.3
09.6
10.3
09.1
12.2
07.7
10.5
08.7
09.6
12.1
12.2
11.8
09.7
07.7
09.4
11.0
11.2
10.1
09.6
10.4
09.0
08.9
09.6
10.3
10.4
10.5
11.7
11.5
11.8
11.8
11.8
10.5
12.4
13.3
12.2
13.7
10.1
12.6
11.5
12.8
15.0
04.0
04.2
06.9
08.2
07.3
05.9
05.3
06.1
06.1
04.9
06.9
06.0
04.2
03.8
06.5
05.6
05.2
04.3
03.7
03.5
03.6
05.6
02.8
01.6
02.9
02.8
06.0
03.3
03.9
02.1
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
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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
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
02.0
00.5
09.8
22.2
00.0
04.2
00.0
00.0
00.0
00.0
00.0
00.5
26.8
03.1
06.6
00.0
01.5
00.0
00.0
01.0
00.0
00.0
00.0
17.1
01.0
02.0
00.0
00.0
00.0
1022.5
1025.7
1022.8
1023.1
1016.3
1012.0
1013.3
1010.1
1016.6
1019.0
1021.8
1023.2
1019.4
1011.1
1005.7
1010.3
1011.6
1015.6
1019.5
1020.1
1013.4
1014.1
1018.8
1017.9
1017.6
1008.7
1019.6
1024.3
1032.0
1028.5
1024.8
01.1
01.6
02.8
03.6
04.5
05.6
04.1
04.7
02.8
01.7
06.1
05.3
06.2
04.8
04.3
04.0
02.6
04.2
02.3
03.2
03.3
03.5
01.1
02.9
02.5
06.2
06.9
04.0
02.8
05.4
05.4
09.3
16.6
22.2
18.5
24.1
22.2
46.3
22.2
16.6
14.8
24.1
27.8
33.3
16.6
18.5
18.5
18.5
27.8
14.8
16.6
25.9
24.1
09.3
22.2
16.6
33.3
27.8
20.4
16.6
25.9
20.4
~223
~262
~275
~283
~273
~276
~229
~238
~223
~121
~097
~081
~088
~076
~091
~210
~206
~218
~212
~244
~297
~272
~177
~278
~080
~251
~242
~259
~079
~071
~069
  19.1
25.1
8.8
04.3
13.7 --- 8.6 11.1 004.6 000.0   Total
0.0
Total
0.0
Total
98.8
+3.8
1018.0 03.9
---
21.7
46.3
213
Degree Days
Monthly Total
Heating: 143.5
Cooling: 000.5
Max. Temp. >= 30 Was 0 Day(s)
Max. Temp. <= 0 Was 0 Day(s)
Min. Temp. <= 30 Was 31 Day(s)
Min. Temp. <= -18 Was 0 Day(s)
Gale: 0 Day(s)
Wind Run: 2850.0km
Max. Pressure: 1033.7 On Day 29
Min. Pressure: 1003.8 On Day 26
Max. 24-hr Precip: 26.8 mm On Day 15
Precipitation >= 0.2mm Was 14 Day(s)
Precipitation >= 2.5mm Was 7 Day(s)
Snowfall >= 25mm Was 0 Day(s)
Max. Snowfall: 0.0 cm