Weather Station Notes - December 2009
| Home | Current Weather | Weather History | About the Weather Station | Weather Forecast & Alerts!! |
| Smithsburg Area | Washington County | Partners/Weather Links | Monthly Almanack | Contact Us |
Weather Station Notes - December 2009
| December 2009: | High | Low | Rainfall | Snowfall | Snow on | High | High | High | |
| Temp | Temp | or Melted | Icefall | Ground | Wind | Wind | Wind | ||
| Date | Conditions | (F) | (F) | Snow (in.) | (in.) | (in.) | (m.p.h.) | Direction | Time |
| 1st | Sunny, Mild, Breezy | 54 | 31 | 19 | SSW | 12:00 PM | |||
| 2nd | Cold AM, Warmer PM, PM rain (0.49"), Breezy | 58 | 28 | 0.49 | 19 | S | 11:15 PM | ||
| 3rd | Overnight rain, Warmer, Cloudy, Windy | 59 | 45 | 0.07 | 21 | WSW | 11:30 AM | ||
| 4th | Partly sunny, Cooler, Breezy | 46 | 39 | 17 | WSW | 10:45 AM | |||
| 5th | AM/PM snow (1.5")(melted 0.16"), Colder, Breezy | 39 | 29 | 0.16 | 1.50 | 1.50 | 14 | N | 7:00 AM |
| 6th | Partly cloudy, Cold, Breezy | 33 | 25 | 0.50 | 14 | WSW | 5:00 AM | ||
| 7th | Cloudy, Not quite as cold | 37 | 23 | 9 | SSW | 10:00 AM | |||
| 8th | Late PM snow (2.0")(melted 0.22") changed to rain, Warmer, Breezy | 42 | 32 | 0.22 | 2.00 | 2.00 | 11 | SE | 8:45 PM |
| 9th | Overnight rain (1.06"), Warmer, Cloudy, Windy | 48 | 32 | 1.06 | Trace | 26 | SSW | 11:15 PM | |
| 10th | Partly cloudy, Not as warm, Windy | 41 | 23 | 0.01 | 29 | WSW | 2:00 PM | ||
| 11th | Mostly sunny, Cold, Very Windy | 33 | 18 | 32 | WSW | 1:30 PM | |||
| 12th | Sunny, Not as cold, Breezy | 41 | 21 | 16 | SSW | 11:00 PM | |||
| 13th | AM rain/freezing rain, rain most of day (0.61"), Slightly colder, Breezy | 39 | 33 | 0.61 | Trace | Trace | 17 | SSW | 3:30 AM |
| 14th | Mostly cloudy, Warmer, Breezy | 50 | 36 | 19 | S | 12:15 PM | |||
| 15th | Cloudy, same temps, Windy | 51 | 36 | 24 | W | 7:30 PM | |||
| 16th | Mostly sunny, Cold, Breezy | 37 | 24 | 19 | NNW | 4:15 AM | |||
| 17th | Mostly sunny, Colder, Breezy | 34 | 21 | 19 | N | 1:15 PM | |||
| 18th | Cloudy, Cold, Late PM snow (2.0")( melted 0.03"), Breezy | 34 | 18 | 0.03 | 2.00 | 2.00 | 11 | E | 9:00 PM |
| 19th | Overnight/AM/PM snow continued (13.5")(melted 0.73"), Breezy (snow event 15.5") | 26 | 23 | 0.73 | 13.50 | 15.50 | 19 | N | 9:15 AM |
| 20th | Clearing, Not quite as cold, Breezy | 33 | 21 | 0.02 | 13.00 | 17 | W | 1:30 PM | |
| 21st | Cloudy, Warmer, Breezy | 38 | 22 | 11.00 | 18 | W | 11:45 PM | ||
| 22nd | Mostly cloudy, same temps, Breezy | 37 | 25 | 9.00 | 16 | W | 1:45 AM | ||
| 23rd | Sunny, Slightly colder, Breezy | 34 | 16 | 8.00 | 11 | W | 2:00 PM | ||
| 24th | VERY COLD AM, Sunny | 34 | 4 | 7.00 | 6 | ENE | 10:45 AM | ||
| 25th | *CHRISTMAS DAY* Cold AM w/sleet (Trace), PM rain (0.12"), Windy | 42 | 13 | 0.12 | Trace | 5.00 | 22 | ENE | 7:30 PM |
| 26th | Dense AM fog which froze on surfaces, light rain (0.24"), Slightly warmer, Breezy | 43 | 35 | 0.24 | 2.00 | 13 | N | 2:45 AM | |
| 27th | Dense overnight fog which froze on surfaces, Partly cloudy, Slightly warmer, Breezy | 47 | 25 | 2.00 | 13 | S | 10:00 PM | ||
| 28th | Partly cloudy, Cooler, Snow flurries, Windy | 41 | 28 | Trace | 1.00 | 26 | WSW | 4:15 AM | |
| 29th | Sunny, Colder, Very Windy | 31 | 19 | 1.00 | 36 | NNW | 5:45 AM | ||
| 30th | Continued cold, Cloudy, Breezy | 31 | 16 | 1.00 | 13 | SSW | 2:15 PM | ||
| 31st | Overnight & AM snow PM sleet (3.5")(melted 0.26"), Not quite as cold | 35 | 26 | 0.26 | 3.50 | 3.50 | 5 | NNW | 4:15 AM |
MONTHLY CLIMATOLOGICAL SUMMARY for DEC. 2009
NAME: SMBG CITY: SMITHSBURG STATE: MD
ELEV: 680 ft LAT: 39° 38' 00" N LONG: 77° 36' 00" W
TEMPERATURE (°F), RAIN (in), WIND SPEED (mph)
HEAT COOL AVG
MEAN DEG DEG WIND DOM
DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR
------------------------------------------------------------------------------------
1 41.0 53.8 3:00p 31.3 12:00m 24.0 0.0 0.00 2.3 19.0 12:00p SSW
2 40.4 58.3 12:00m 28.4 4:45a 24.6 0.0 0.49 1.4 19.0 11:15p S
3 50.9 58.9 12:45a 44.8 12:00m 14.1 0.0 0.07 3.9 21.0 11:30a WSW
4 42.5 45.8 11:15a 39.3 5:30a 22.5 0.0 0.00 1.4 17.0 10:45a WSW
5 34.3 39.5 12:15a 29.3 11:45p 30.7 0.0 0.16 2.2 14.0 7:00a N
6 28.9 33.2 2:30p 25.1 12:00m 36.1 0.0 0.00 1.5 14.0 5:00a WSW
7 30.7 37.0 2:30p 23.2 7:15a 34.3 0.0 0.00 0.8 9.0 10:00a SSW
8 37.4 42.5 2:00p 32.5 11:30p 27.6 0.0 0.22 0.6 11.0 8:45p SE
9 38.3 48.8 2:45p 32.5 12:15a 26.7 0.0 1.06 3.0 26.0 11:15p SSW
10 32.2 41.5 12:15a 22.7 12:00m 32.8 0.0 0.01 9.2 29.0 2:00p WSW
11 26.0 32.8 3:00p 18.4 7:15a 39.0 0.0 0.00 6.3 32.0 1:30p WSW
12 32.0 41.5 2:45p 21.1 7:45a 33.0 0.0 0.00 1.8 16.0 11:00p SSW
13 35.4 39.3 11:45p 32.7 7:45a 29.6 0.0 0.61 1.3 17.0 3:30a SSW
14 42.5 50.5 1:15p 35.6 11:45p 22.5 0.0 0.00 1.0 19.0 12:15p S
15 41.5 51.4 11:45a 35.6 12:15a 23.5 0.0 0.00 3.5 24.0 7:30p W
16 30.5 36.9 12:15a 23.9 10:30p 34.5 0.0 0.00 4.7 19.0 4:15a NNW
17 26.6 34.4 2:30p 21.1 7:15a 38.4 0.0 0.00 2.6 19.0 1:15p N
18 26.9 34.3 2:45p 18.0 4:15a 38.1 0.0 0.03 0.4 11.0 9:00p E
19 24.2 26.3 12:15a 23.0 7:45a 40.8 0.0 0.73 3.5 19.0 9:15a N
20 26.1 33.1 2:45p 20.6 7:45a 38.9 0.0 0.02 2.2 17.0 1:30p W
21 31.0 38.2 12:45p 21.8 1:00a 34.0 0.0 0.00 2.6 18.0 11:45p W
22 32.1 36.8 3:00p 25.3 12:00m 32.9 0.0 0.00 3.4 16.0 1:45a W
23 25.4 34.1 3:00p 16.1 12:00m 39.6 0.0 0.00 1.1 11.0 2:00p W
24 17.8 33.8 2:45p 4.5 7:30a 47.2 0.0 0.00 0.2 6.0 10:45a ENE
25 30.5 41.9 11:30p 13.5 3:00a 34.5 0.0 0.12 3.2 22.0 7:30p ENE
26 40.9 43.3 2:45a 35.2 12:00m 24.1 0.0 0.24 1.1 13.0 2:45a N
27 36.1 47.0 2:45p 24.7 8:30a 28.9 0.0 0.00 0.7 13.0 10:00p S
28 32.0 40.8 12:15a 28.4 9:00p 33.0 0.0 0.00 6.9 26.0 4:15a WSW
29 24.9 30.9 1:15a 19.5 12:00m 40.1 0.0 0.00 9.1 36.0 5:45a NNW
30 23.7 30.6 1:45p 15.7 4:15a 41.3 0.0 0.00 0.9 13.0 2:15p SSW
31 30.3 35.3 1:45p 25.8 12:15a 34.7 0.0 0.26 0.2 5.0 4:15a NNW
-------------------------------------------------------------------------------------
32.7 58.9 3 4.5 24 1002.0 0.0 4.02 2.7 36.0 29 WSW
Max >= 90.0: 0
Max <= 32.0: 3
Min <= 32.0: 23
Min <= 0.0: 0
Max Rain: 1.06 ON 12/09/09
Days of Rain: 12 (>.01 in) 9 (>.1 in) 1 (>1 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration
Back To Top