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Minimum- and maximum values December 2003
Meas. item Minimum Time Date Maximum Time Date Average
Temperature Outdoor 14.4 °F 07:05 AM12/23/2003 52.9 °F 12:50 PM12/02/2003 30.9 °F 
Temperature Soil (+10cm) 17.1 °F 07:00 PM12/07/2003 68.0 °F 11:05 AM12/02/2003 32.8 °F 
Soil Temperature (+10cm) Sun 32.0 °F 11:15 PM12/20/2003 43.0 °F 03:05 PM12/02/2003 35.9 °F 
Soil Temperature (-10cm) 32.0 °F 11:15 PM12/20/2003 42.1 °F 02:10 PM12/03/2003 37.7 °F 
Soil Temperature (-30cm) 32.0 °F 11:15 PM12/20/2003 43.0 °F 12:05 AM12/01/2003 39.8 °F 
Dewpoint 1.0 °F 03:55 AM12/10/2003 43.8 °F 12:45 PM12/02/2003 26.8 °F 
Wind chill 1.5 °F 10:40 PM12/15/2003 52.9 °F 12:50 PM12/02/2003 30.3 °F 
Humidity Outdoor 19 % 03:55 AM12/10/2003 99 % 07:40 AM12/14/2003 86 % 
Leaf Wetness 1 0 lf 12:05 AM12/01/2003 15 lf 10:55 AM12/01/2003 4 lf 
Moisture 1 0 cb 11:15 PM12/20/2003 200 cb 12:10 AM12/01/2003 186 cb 
Barometer 29.49 inHg 11:30 AM12/14/2003 30.40 inHg 06:15 PM12/07/2003 30.04 inHg 
Wind speed      14.0 mph 10:10 PM12/15/2003 1.9 mph 
Wind direction      10:10 PM12/15/2003 N-NE 
Wind gust      29.0 mph 11:40 AM12/14/2003 4.9 mph 
Wind direction Wind gust      11:40 AM12/14/2003 N-NE 
Wind Run           #1050.9 miles 
Rain quantity      1.080 in 09:05 AM12/14/2003 #2.810 in 
Precipitation Time      18.42 h 11:55 PM12/14/2003 #122:30 h 
Evapotranspiration      0.006 in 12:00 PM12/10/2003 #0.351 in 
Evapotranspiration           #0.084 in 
UV-Index      1.2 UV-I 11:40 AM12/01/2003 0.7 UV-I 
Solar radiation      457 W/m² 12:35 PM12/07/2003 96 W/m² 
Sunshine time      7.33 h 03:40 PM12/08/2003 #65:50 h 
ISS Reception 10.53 % 02:11 PM12/05/2003 100.00 % 12:45 AM12/03/2003 94.42 % 

Minimum Temperature 14.4 °F 
Average Minimum Temp.25.5 °F 
Average Maximum Temp.36.5 °F 
Maximum Temperature 52.9 °F 
Average Temperature 30.91 °F 
Month Standard Deviation + 6.11 K 
Month Normal Value  24.80 °F 

Ice days (Tmax < 32°F)
Cold days (Tmin <= 32°F)20 
Very Cold (Tmin <= 14.0°F)
Cool days (Tmax < 50°F)21 
Warm Days (Tmax >= 64.5°F)
Summer days (Tmax >= 77°F)
Hot days (Tmax >= 86°F)

Rain days
> 0.000 in11 
> 0.079 in
> 0.197 in
> 0.394 in
> 0.787 in
Rain quantity 2.810 in 
Month Standard Deviation  - 1.599 in 
Month Standard Deviation  63.7 % 
Month Normal Value  4.409 in 

Distribution Wind force
4 Bft0.06 % 
3 Bft1.47 % 
2 Bft17.75 % 
1 Bft51.77 % 
0 Bft28.95 % 

Distribution Wind direction
Calm28.9 % 
N-NE26.0 % 
NE5.2 % 
E-NE2.2 % 
E1.6 % 
E-SE1.0 % 
SE1.3 % 
S-SE4.6 % 
S2.6 % 
S-SW0.2 % 
SW0.5 % 
W-SW2.0 % 
W11.3 % 
W-NW11.9 % 
NW5.3 % 
N-NW3.5 % 
N20.7 % 

© 1999-2003 Werner Krenn