Weather Notes 2012 December

                                                      Weather Station Notes - December 2012

December 2012: Average High Low Rainfall Snowfall Snow on Peak High DOMINATE

Mean Tmp Temp Temp or Melted Icefall Ground Wind Wind Wind

Date Conditions (F) (F) (F) Snow (in.) (in.) (in.) (m.p.h.) Time Direction

1st Mostly sunny, Cool 36.5 49 28 9 3:00 PM ESE

2nd Mostly cloudy, Warmer, Late PM showers (0.02"), Breezy 41.6 56 29 0.02 11 1:30 PM NE

3rd Partly cloudy, Much warmer 54.0 66 43 8 11:00 AM S

4th Partly cloudy, Continued unseasonably warm, Breezy 58.6 71 45 15 6:00 PM S

5th Mostly sunny, Warm AM then declining temps, Very Windy (31mph) 47.6 63 33 31 4:00 PM NW

6th Partly cloudy, Cool 31.6 42 21 8 1:30 PM S

7th AM showers and occasional showers (0.14"), Cloudy, Continued cool 37.9 41 29 0.14 8 1:45 AM ESE

8th AM fog, Cloudy, Not as cool, PM showers (0.01") 44.6 55 37 0.01 8 1:00 PM N

9th Overnight rain and also periodically throughout day (0.33"), Some fog, Cool, Breezy 45.5 48 43 0.33 11 7:15 AM NE

10th AM fog, Cloudy, Not quite as cool, Showers (0.10"), Windy 49.7 53 44 0.10 26 11:45 PM NW

11th Increasing clouds, Cooler, windy 40.8 46 32 28 10:30 AM NW

12th Mostly cloudy, Much cooler 32.4 39 28 9 11:30 AM NNW

13th Cold AM, Sunny, Not as cool 31.0 45 21 4 11:30 AM N

14th Cold, AM, Sunny, Mild 32.7 52 20 8 10:15 AM S

15th Increasing clouds, Continued mild, Breezy 38.8 52 27 16 9:30 PM SSE

16th Overnight light shower (0.01"), Cloudy, Some fog, Drizzle, Mild temps, Breezy 45.0 49 41 0.01 15 1:00 AM SSE

17th Cloudy, Continued mild, Late PM rain (0.24"), Breezy 45.0 50 39 0.24 14 6:15 PM ESE

18th AM Dense fog, Partial clearing, Continued mild, Very Windy (30 mph) 45.1 52 38 0.01 30 12:45 PM Wind

19th Partly sunny, Mild temps, Windy 40.9 48 34 20 12:00 PM NNW

20th Cloudy, Continued mild, PM rain showers (0.26"), Windy 37.6 48 29 0.26 25 11:00 PM NE

21st Overnight rain (0.42"), Mild start but then falling temps, A few snow flurries, Windy 38.0 49 34 0.42 26 6:15 PM WSW

22nd Very Windy all day until evening( 34 mph), Mostly cloudy, Cold, A few snow flurries 34.9 38 30 34 4:15 AM W

23rd Sunny, Not as cold, Breezy 34.6 46 26 12 1:30 PM S

24th Cloudy, Snow mid to late PM (2.8")(liquid content = 0.92"), Falling temps, Some fog late 29.8 37 23 0.25 2.8 2.8 8 9:45 AM NE

25th *WHITE CHRISTMAS*   AM fog, Partly sunny, Not as cold, Breezy 33.9 40 31 2.0 13 10:45 PM NE

26th AM snow changed to sleet & frz/rain until late PM (3.4")(liquid content=0.92"), Cold, Windy 31.0 34 28 0.92 3.4 5.0 24 9:00 AM NE

27th Cloudy, Continued cold, Few snow flurries, Very Windy (30 mph) 34.1 37 32 4.0 30 10:15 AM NW

28th Mostly Sunny, Continued cold, Breezy 32.8 37 27 3.0 16 5:30 AM NW

29th Snow from early AM until early PM (2.0")(liquid content = 0.21"), Cold, Windy 33.1 36 28 0.21 2.0 4.0 24 6:45 PM W

30th Mostly cloudy, Continued cold, Windy 32.5 35 26 3.0 29 4:00 PM NW

31st Cold AM, Mostly cloudy, Cold then rising temps late in day (2012 ended at 40F), Breezy 30.7 40 21 2.0 12 10:45 PM S

Average Average Average Total Total Average Dominate

Averages/Totals/Dominate Wind Direction -----> 38.8 47 31 2.92 8.2 17 NW

Mean Tmp High Low Rainfall Snowfall Peak Wind Direction

                  MONTHLY CLIMATOLOGICAL SUMMARY for DEC. 2012

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  36.5  49.4   2:30p  28.5   7:30a  28.5   0.0  0.00   0.6   9.0   3:00p   ESE
 2  41.6  56.2   1:45p  28.8   3:00a  23.4   0.0  0.02   0.4  11.0   1:30p    NE
 3  54.0  66.4  12:15p  42.6   8:30a  11.2   0.1  0.00   0.3   8.0  11:00a     S
 4  58.6  71.3   1:30p  45.4   6:45a   7.3   0.9  0.00   1.8  15.0   6:00p     S
 5  47.6  62.9  12:15a  32.7  12:00m  17.4   0.0  0.00   5.5  31.0   4:00p    NW
 6  31.6  41.9   2:15p  21.3   8:00a  33.4   0.0  0.00   0.3   8.0   1:30p     S
 7  37.9  40.8   2:00p  29.1  12:15a  27.1   0.0  0.14   0.2   8.0   1:45a   ESE
 8  44.6  54.7   3:00p  37.3   5:00a  20.4   0.0  0.01   0.3   8.0   1:00p     N
 9  45.5  48.3  12:15a  43.2   4:30a  19.5   0.0  0.33   0.8  11.0   7:15a    NE
10  49.7  53.5   4:00p  44.2  12:15a  15.3   0.0  0.10   0.8  26.0  11:45p    NW
11  40.8  46.0  11:15a  32.4  12:00m  24.2   0.0  0.00   2.7  28.0  10:30a    NW
12  32.4  38.9  12:45p  27.6   8:00a  32.6   0.0  0.00   0.1   9.0  11:30a   NNW
13  31.0  45.5   3:00p  20.6   8:00a  34.0   0.0  0.00   0.0   4.0  11:30a     N
14  32.7  52.0   3:15p  19.7   7:30a  32.3   0.0  0.00   0.3   8.0  10:15a     S
15  38.8  52.2   2:45p  26.6   8:00a  26.2   0.0  0.00   1.0  16.0   9:30p   SSE
16  45.0  48.8  12:00p  41.5   8:45a  20.0   0.0  0.01   0.7  15.0   1:00a   SSE
17  45.0  50.1   3:00p  38.8   5:00a  20.0   0.0  0.24   0.5  14.0   6:15p   ESE
18  45.1  51.6  11:45a  37.6  12:00m  19.9   0.0  0.01   3.7  30.0  12:45p     W
19  40.9  48.5  12:30p  33.7  12:00m  24.1   0.0  0.00   1.9  20.0  12:00p   NNW
20  37.6  47.6  12:00m  29.4   2:30a  27.4   0.0  0.26   2.4  25.0  11:00p    NE
21  38.0  48.6   1:00a  34.3   7:15p  27.0   0.0  0.42   8.3  26.0   6:15p   WSW
22  34.9  37.8   1:30p  30.0  11:30p  30.1   0.0  0.00   9.1  34.0   4:15a     W
23  34.6  46.5   3:00p  26.3   6:15a  30.4   0.0  0.00   1.3  12.0   1:30p     S
24  29.8  37.0   1:30p  22.9   7:00a  35.2   0.0  0.25   0.1   8.0   9:45a    NE
25  33.9  40.1   2:45p  30.9   7:45a  31.1   0.0  0.00   0.4  13.0  10:45p    NE
26  31.0  34.1   9:45p  27.8  11:00a  34.0   0.0  0.92   5.4  24.0   9:00a    NE
27  34.1  37.2  11:45a  32.5   4:15a  30.9   0.0  0.00   6.4  30.0  10:15a    NW
28  32.8  37.3   3:00p  26.7  10:15p  32.2   0.0  0.00   1.8  16.0   5:30a    NW
29  33.1  36.0   6:15p  27.9  12:15a  31.9   0.0  0.21   2.4  24.0   6:45p     W
30  32.5  35.0   3:15p  25.8  12:00m  32.5   0.0  0.00   6.3  29.0   4:00p    NW
31  30.7  40.1  11:30p  20.8   8:00a  34.3   0.0  0.00   1.4  12.0  10:45p     S
-------------------------------------------------------------------------------------
    38.8  71.3     4    19.7    14   813.8   1.0  2.92   2.2  34.0    22      NW

Max >=  90.0:  0
Max <=  32.0:  0
Min <=  32.0: 18
Min <=   0.0:  0
Max Rain: 0.92 ON 12/26/12
Days of Rain: 10 (>.01 in) 8 (>.1 in) 0 (>1 in)
Heat Base:  65.0  Cool Base:  65.0  Method: Integration

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December 2012:		Average	High	Low	Rainfall	Snowfall	Snow on	Peak	High	DOMINATE
		Mean Tmp	Temp	Temp	or Melted	Icefall	Ground	Wind	Wind	Wind
Date	Conditions	(F)	(F)	(F)	Snow (in.)	(in.)	(in.)	(m.p.h.)	Time	Direction
1st	Mostly sunny, Cool	36.5	49	28				9	3:00 PM	ESE
2nd	Mostly cloudy, Warmer, Late PM showers (0.02"), Breezy	41.6	56	29	0.02			11	1:30 PM	NE
3rd	Partly cloudy, Much warmer	54.0	66	43				8	11:00 AM	S
4th	Partly cloudy, Continued unseasonably warm, Breezy	58.6	71	45				15	6:00 PM	S
5th	Mostly sunny, Warm AM then declining temps, Very Windy (31mph)	47.6	63	33				31	4:00 PM	NW
6th	Partly cloudy, Cool	31.6	42	21				8	1:30 PM	S
7th	AM showers and occasional showers (0.14"), Cloudy, Continued cool	37.9	41	29	0.14			8	1:45 AM	ESE
8th	AM fog, Cloudy, Not as cool, PM showers (0.01")	44.6	55	37	0.01			8	1:00 PM	N
9th	Overnight rain and also periodically throughout day (0.33"), Some fog, Cool, Breezy	45.5	48	43	0.33			11	7:15 AM	NE
10th	AM fog, Cloudy, Not quite as cool, Showers (0.10"), Windy	49.7	53	44	0.10			26	11:45 PM	NW
11th	Increasing clouds, Cooler, windy	40.8	46	32				28	10:30 AM	NW
12th	Mostly cloudy, Much cooler	32.4	39	28				9	11:30 AM	NNW
13th	Cold AM, Sunny, Not as cool	31.0	45	21				4	11:30 AM	N
14th	Cold, AM, Sunny, Mild	32.7	52	20				8	10:15 AM	S
15th	Increasing clouds, Continued mild, Breezy	38.8	52	27				16	9:30 PM	SSE
16th	Overnight light shower (0.01"), Cloudy, Some fog, Drizzle, Mild temps, Breezy	45.0	49	41	0.01			15	1:00 AM	SSE
17th	Cloudy, Continued mild, Late PM rain (0.24"), Breezy	45.0	50	39	0.24			14	6:15 PM	ESE
18th	AM Dense fog, Partial clearing, Continued mild, Very Windy (30 mph)	45.1	52	38	0.01			30	12:45 PM	Wind
19th	Partly sunny, Mild temps, Windy	40.9	48	34				20	12:00 PM	NNW
20th	Cloudy, Continued mild, PM rain showers (0.26"), Windy	37.6	48	29	0.26			25	11:00 PM	NE
21st	Overnight rain (0.42"), Mild start but then falling temps, A few snow flurries, Windy	38.0	49	34	0.42			26	6:15 PM	WSW
22nd	Very Windy all day until evening( 34 mph), Mostly cloudy, Cold, A few snow flurries	34.9	38	30				34	4:15 AM	W
23rd	Sunny, Not as cold, Breezy	34.6	46	26				12	1:30 PM	S
24th	Cloudy, Snow mid to late PM (2.8")(liquid content = 0.92"), Falling temps, Some fog late	29.8	37	23	0.25	2.8	2.8	8	9:45 AM	NE
25th	WHITE CHRISTMAS AM fog, Partly sunny, Not as cold, Breezy	33.9	40	31			2.0	13	10:45 PM	NE
26th	AM snow changed to sleet & frz/rain until late PM (3.4")(liquid content=0.92"), Cold, Windy	31.0	34	28	0.92	3.4	5.0	24	9:00 AM	NE
27th	Cloudy, Continued cold, Few snow flurries, Very Windy (30 mph)	34.1	37	32			4.0	30	10:15 AM	NW
28th	Mostly Sunny, Continued cold, Breezy	32.8	37	27			3.0	16	5:30 AM	NW
29th	Snow from early AM until early PM (2.0")(liquid content = 0.21"), Cold, Windy	33.1	36	28	0.21	2.0	4.0	24	6:45 PM	W
30th	Mostly cloudy, Continued cold, Windy	32.5	35	26			3.0	29	4:00 PM	NW
31st	Cold AM, Mostly cloudy, Cold then rising temps late in day (2012 ended at 40F), Breezy	30.7	40	21			2.0	12	10:45 PM	S
		Average	Average	Average	Total	Total		Average		Dominate
	Averages/Totals/Dominate Wind Direction ----->	38.8	47	31	2.92	8.2		17		NW
		Mean Tmp	High	Low	Rainfall	Snowfall		Peak Wind		Direction

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