Kendall Ridge Weather Station
Columbia, MD
39° 11' N - 76° 47' W - 330 ft

Almanac data as of: 09/04/10 04:20:10

Text Data
NOAA Climatological Summaries:
Browse Archive Records:
Temperature
Current: 70.4° F
Hour Average: 70.4° F
Hour Change: -1.9° F
Day Average: 74.4° F
Day Change: -1.9° F
Day High: 78.8° F at 00:00
Day Low: 70.4° F at 04:02
Week Average: 77.7° F
Week Change: 7.8° F
Month Average: 79.3° F
Month High: 95.9° F on 09/01/10
Month Low: 68.6° F on 09/01/10
Year Average: 59.4° F
Year High: 101.2° F on 07/06/10
Year Low: 10.2° F on 01/31/10
Humidity
Current: 62 %
Hour Average: 63 %
Hour Change: -7 %
Day Average: 65 %
Day Change: -22 %
Day High: 69 % at 03:10
Day Low: 61 % at 00:00
Week Average: 68 %
Week Change: -29 %
Month Average: 68 %
Month High: 88 % on 09/01/10
Month Low: 33 % on 09/01/10
Year Average: 66 %
Year High: 98 % on 01/17/10
Year Low: 15 % on 04/07/10
Wind Direction
Current: 279 degrees
Hour Dominant: 270 degrees
Hour Change: -13 degrees
Day Dominant: 288 degrees
Day Change: 0 degrees
Week Dominant: 294 degrees
Week Change: 0 degrees
Month Dominant: 218 degrees
Year Dominant: 284 degrees
Wind Speed
Current: 2 mph
Hour Average: 4.0 mph
Hour Change: 2 mph
Day Average: 3.3 mph
Day Change: 2 mph
Day High: 18 mph at 00:40
Week Average: 1.0 mph
Week Change: 2 mph
Month Average: 1.2 mph
Month High: 18 mph on 09/04/10
Year Average: 2.6 mph
Year High: 43 mph on 01/03/10
Wind Run
Hour: 1.4 miles
Day: 14.7 miles
Week: 176.4 miles
Month: 97.6 miles
Year: 16014.6 miles
Dewpoint
Current: 56.7° F
Hour Average: 57.4° F
Hour Change: -4.8° F
Day Average: 61.8° F
Day Change: -10.4° F
Day High: 65.6° F at 00:28
Day Low: 56.7° F at 04:13
Week Average: 65.2° F
Week Change: -3.2° F
Month Average: 67.1° F
Month High: 73.2° F on 09/03/10
Month Low: 56.7° F on 09/04/10
Year Average: 46.7° F
Year High: 78.0° F on 08/16/10
Year Low: -1.1° F on 01/29/10
Wind Chill
Current: 70.4° F
Day Low: 70.4° F at 04:02
Month Low: 68.6° F on 09/01/10
Year Low: -4.5° F on 01/03/10
Heat Index
Current: 70.4° F
Day High: 80.5° F at 00:00
Month High: 102.9° F on 09/02/10
Year High: 114.2° F on 07/24/10
Barometer
Current: 29.670 + in
Hour Average: 29.666 in
Hour Change: 0.020 in
Day Average: 29.642 in
Day Change: -0.136 in
Day High: 29.670 in at 04:14
Day Low: 29.619 in at 00:00
Week Average: 30.044 in
Week Change: -0.470 in
Month Average: 29.878 in
Month High: 30.087 in on 09/01/10
Month Low: 29.564 in on 09/03/10
Year Average: 29.934 in
Year High: 30.592 in on 04/14/10
Year Low: 29.180 in on 01/25/10
Rain
Day: 0.00 in
Rate: 0.00 in/hr
Storm: 0.00 in
Storm Start: -------- -----
Day High Rate: 0.00 in/hr at -----
Month: 0.00 in
Month High Rate: 0.00 in/hr on 09/01/10
Year: 26.91 in
Year High Rate: 15.57 in/hr on 08/23/10
Solar
Sunrise: 06:39
Midday: 13:07
Sunset: 19:34
Day Length: 12:56
Twilight:
Civil: 06:12 - 20:01
Astronomical: 05:06 - 21:07