Year summary 2009 - Mannheim-Seckenheim 96 m over Sealevel
Site coordinates Longitute: 8° 33' 26" - Latitude: 49° 28' 7"
Date Donnerstag, 31. Dezember 2009
Average Month Month Icedays Cold days Cool days Summerdays Heat days
Month Temperature Min-Temperature Day Max-Temperature Day max <0°C min <=0°C max <10°C max >=25°C max >=30°C
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Januar -1.4°C -12.3°C 08:41 7 10.1°C 14:36 23 11 27 30 0 0
Februar 2.4°C -6.3°C 04:21 19 11.9°C 16:21 28 0 14 27 0 0
März 6.5°C -2.2°C 04:06 21 16.1°C 16:41 31 0 4 12 0 0
April 14.4°C 5.2°C 01:41 1 26.3°C 16:40 13 0 0 0 5 0
Mai 16.7°C 5.5°C 03:25 5 33.0°C 17:15 25 0 0 0 8 1
Juni 18.2°C 8.6°C 05:55 13 29.8°C 16:35 29 0 0 0 10 0
Juli 20.1°C 11.4°C 05:10 10 31.2°C 18:10 16 0 0 0 20 6
August 21.2°C 9.5°C 06:50 31 37.2°C 16:25 20 0 0 0 25 10
September 16.6°C 8.1°C 05:35 15 32.2°C 15:50 1 0 0 0 6 1
Oktober 10.6°C -1.1°C 08:35 19 25.8°C 15:15 7 0 1 4 1 0
November 9.0°C 0.7°C 06:50 12 14.8°C 14:20 25 0 0 7 0 0
Dezember 2.8°C -13.7°C 08:05 19 11.6°C 14:20 10 4 13 27 0 0
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Total: 11.5°C -13.7°C 08:05 Dez 37.2°C 16:25 Aug 15 59 107 75 18
Last year Ice days max < 0°C 1
Last year Cold days min <= 0°C 49
Last year Cool days max < 10°C 104
Last year Summer days max >=25°C 65
Last year Heat days max >=30°C 16
TEMPERATURE (°C) - Norm
Heat Cool Growing Home Heat
Norm Deg days Deg days Deg days Deg days Sun duration
Month Temp. STDV Base 18.0 Base 18.0 Base 5.0 Base 12.0 hours
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Januar 1.20 -2.56 600.2 0.0 1.1 662.2 76:43
Februar 2.50 -0.10 436.7 0.0 6.6 492.7 51:03
März 5.90 +0.59 356.8 0.0 52.4 418.8 93:30
April 9.90 +4.45 109.4 0.0 280.6 66.9 213:44
Mai 14.40 +2.34 56.4 17.3 364.0 18.2 211:48
Juni 17.60 +0.57 34.1 39.4 395.2 0.0 221:50
Juli 19.50 +0.63 8.4 74.4 469.0 0.0 185:29
August 18.80 +2.45 2.1 102.7 503.6 0.0 256:57
September 15.30 +1.29 51.4 8.9 347.6 0.0 150:30
Oktober 10.40 +0.16 232.7 2.2 174.6 232.5 96:46
November 5.20 +3.84 268.8 0.0 121.6 328.8 41:32
Dezember 2.20 +0.59 471.5 0.0 25.8 533.5 29:02
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Total: 10.20 +1.27 2628.4 244.9 2742.1 2753.6 1628:54
PRECIPITATION (l/m²)
Norm Standard Days Days Days
Month Rain Rain-DV Rain >0.0 >2.0 >20.0
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Januar 40.0 -20.3 19.7 9 3 0
Februar 40.0 +27.9 67.9 19 9 0
März 45.0 +9.3 54.3 18 9 0
April 52.0 -2.3 49.7 6 4 1
Mai 75.0 -13.2 61.8 13 8 0
Juni 77.0 +1.1 78.1 12 7 1
Juli 77.0 +28.1 105.1 18 9 2
August 59.0 -17.5 41.5 8 5 1
September 54.0 -27.4 26.6 6 3 0
Oktober 49.0 +9.9 58.9 12 7 0
November 52.0 +9.8 61.8 20 8 0
Dezember 49.0 +38.7 87.7 22 13 0
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Total: 669.0 +44.1 713.1 163 85 5
WIND SPEED (km/h)
Month Wind High Time Day DOM DIR
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Januar 2.7 40.3 18:47 23 NO
Februar 4.2 44.0 18:51 10 W
März 6.7 42.6 18:36 24 W
April 4.5 28.8 17:34 17 W-SW
Mai 4.8 32.2 01:15 27 W
Juni 6.2 38.7 11:49 11 W
Juli 4.9 33.6 07:04 17 W-SW
August 4.0 27.5 15:20 28 W
September 4.2 35.9 19:50 4 N
Oktober 4.7 36.3 16:00 3 W-SW
November 5.3 45.0 14:40 27 W-SW
Dezember 4.0 43.2 07:45 25 W
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Total: 4.7 45.0 14:40 Nov W-SW
Distributions Wind Dir Values 54913
Distributions Wind Dir N-NO 7.967%
Distributions Wind Dir NO 10.387%
Distributions Wind Dir NO-O 7.485%
Distributions Wind Dir O 4.391%
Distributions Wind Dir O-SO 1.193%
Distributions Wind Dir SO 1.198%
Distributions Wind Dir SO-S 1.124%
Distributions Wind Dir S 2.265%
Distributions Wind Dir S-SW 2.338%
Distributions Wind Dir SW 7.022%
Distributions Wind Dir SW-W 17.914%
Distributions Wind Dir W 17.134%
Distributions Wind Dir W-NW 3.813%
Distributions Wind Dir NW 3.336%
Distributions Wind Dir NW-N 3.560%
Distributions Wind Dir N 8.872%