MONTHLY CLIMATOLOGICAL SUMMARY for DECEMBER 2008

DATA | STATISTICS | GRAPHS | CONDITIONS

CONDITIONS DAY of Month: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

                     
NAME: 3270 Nowell   CITY: West Juneau   STATE: Alaska 
ELEV:    97 ft  LAT: 58 17' 33" N  LONG: 134 25' 37" W


TEMPERATURE (F), RAIN  (in), WIND SPEED (mph), SNOW (in). Snowfall from 21:00 - 21:00, all others Midnight to Midnight.

                                      HEAT  COOL        AVG                      WIND       SNOW        
    MEAN                              DEG   DEG         WIND                DOM  RUN        ON(1)       
DAY TEMP  HIGH   TIME   LOW    TIME   DAYS  DAYS  RAIN  SPEED HIGH   TIME   DIR  (mi)  SNOW GRND WEATHER
-----------------------------------------------------------------------------------------------------------------------------------------------------
 1  31.9  34.6   1:00p  27.0  12:00m  33.1   0.0  0.00   0.1   6.0  12:15a    S   2.25  0.0  0.0 Cld-SomeBrks-ThinClds PCld Cld-TnyBrks PBrkn PCd Clr
 2  26.9  29.5   1:30p  25.0   6:10a  38.1   0.0  0.00   0.7  14.0   7:10a  WSW  16.65  0.0  0.0 Clr Frst IncrHiCds Thinnish-ThinCds Ovcst-Cd Cd MCd 
 3  27.6  31.2   8:25p  23.0   7:45a  37.4   0.0  0.05   0.4  13.0   9:20p  WSW   9.76  0.0  0.0 Clr MClr Cld-MCld PCld/MClr Ovcst-ThnnishCld Cld Sn
 4  34.0  37.8   8:15p  28.2  12:05a  31.0   0.0  0.97   1.7  15.0   4:35a  SSE  40.50  8.0  6.5 Cld-MnlndVarObscur/Sn-LtSn-VryLtSn Cld/LtRn-Driz-Mst
 5  34.7  37.0  12:05a  33.7   4:20a  30.3   0.0  0.10   0.0   6.0   6:25a  SSW   0.16  0.0  4.0 Cd-VarFog/Mst-LtRn-Drz Cd-Fog Band Cd-Fog/OccLtR-Spr
 6  36.0  37.9   7:00a  34.1  12:20a  29.0   0.0  0.36   0.3   9.0   6:50a    S   6.29  0.0  3.0 Cld-VarFog/LtDriz-Rn-Mst Cld/LtRn-Drz-VryLtRn-Rn-Spr
 7  37.2  39.5   1:20p  35.2   1:15a  27.8   0.0  0.19   0.0   4.0   1:05p    S   0.24  0.0  2.5 LoCds LoCds-Fg/LtMst-Sp-VryLtR-Drz Cd LoCds/Sp-LtR-R
 8  35.9  38.6  12:00p  32.1   8:50p  29.1   0.0  0.80   0.5  14.0   7:25p    S  12.78* 1.0  2.5 Cd Cd/Sp HntsBrks LoCd/Sp-Mst Cd/R-LtR-Sp Cd/Sn-R/Sn
 9  34.1  37.6   9:05p  30.6   3:15a  30.9   0.0  0.55   1.5  16.0  10:05a    S  35.82* 6.4   7" Cd/Sn Cd/VryLtSn-Sn/Sn-Rn/LtRn/Rn-Drz-Mst-Sp Cd Cd/R
10  36.8  37.6   1:40p  33.8  12:00m  28.2   0.0  0.36   1.0  13.0   8:00a    S  23.20  0.0   4" Cd/LtRn-Drz-R-Sp MCd/LtSp OccTnyBrk Cd/OccSp Cd/R-Sn
11  33.3  34.6  10:55a  31.6  12:00m  31.7   0.0  0.31   0.2  10.0   1:30a    S   4.97  0.5** 5" OccBrks/Rn-Sn/Sn/Sp-Slt Cd MCd Brks Cd/OccLtSn-Sn Cd
12  27.7  31.9   2:25a  22.7   8:20p  37.3   0.0  0.00   1.1  14.0   4:10p FRZN  26.72  0.0   4" DecrClds VarMClear/PartCloudy Clear WindBlowonMtns
13  21.7  27.3   1:55a  15.7   8:45p  43.3   0.0  0.00   2.0  25.0   4:15p FRZN  46.87  0.0 MISS Clear VarPCld/MClr Lt-Brzy MClr Clr WindBlowMtns
14  21.4  26.6   7:45p  15.2  12:10a  43.6   0.0  0.00   3.3  25.0   6:35p FRZN  79.69  0.0   4" Clear PeriodsLt-BrzyWind-Gusts SomeSnowBlowingOnMtns
15  19.2  23.2  11:00p  17.0   6:40p  45.8   0.0  0.00   0.8  10.0  12:35a FRZN  18.48  0.0   4" Clr VarHiThin-Thinnish-VryThinClds-Hz IncrCld Cld
16  24.7  31.6   3:15p  16.1  12:00m  40.3   0.0 TRACE   1.6  30.0   6:20p  W(a) 38.26  0.3   4" Cld/Sn Cd Clr-BitHiVryVryThinCds-Hz Clr Lt-Brz-Gusts
17  17.4  21.8  11:15a  13.8  10:05p  47.6   0.0  0.00   2.0  15.0  11:10a  WSW  47.93  0.0   4" Clear SmallBitofLt&Lt-BrzyWind
18  14.0  20.8   3:40a  10.9  11:25p  51.0   0.0  0.00   1.8  16.0   1:55a    W  42.17  0.0   4" Clear
19  10.2  12.6  12:10p   7.2  12:00m  54.8   0.0  0.00   1.2   6.0   5:00a  WSW  28.44  0.0   4" Clear
20   9.4  16.9  12:00m   6.1   4:25a  55.6   0.0  0.00   1.0  10.0   7:00p    W  23.93  0.0   4" Clear PCld MCld/M-PCd/PCd With Thinnish-ThinCds Clr
21  24.4  28.4   4:35p  16.2  11:50p  40.6   0.0  0.00   3.4  34.0   5:20a    E  82.73  0.0   4" Clear Brz/Windy/Lt-Brzy Clr/OccLtWind-Gusts Clear
22  13.0  20.2  11:30p  10.2   4:30p  52.0   0.0  0.00   1.0  10.0  11:30p    W  22.82  0.0   4" Clear PCld/MClr Clr IncrClds Cloudy
23  22.4  28.4  11:40p  18.1   6:15a  42.6   0.0  0.12   1.0  13.0  11:50a  SSE  23.16  3.5   8" Cld Cld/FineSnow-Snow
24  24.0  29.7   2:55p  17.2  10:35p  41.0   0.0  0.01   1.9  21.0   2:50p  WSW  46.12  0.8   8" Cd/Sn Cd PCd MClr-PCd HiThinVryThinCds-Hz PCd Clr-Hz
25  19.9  24.4   7:20p  14.4   9:10a  45.1   0.0  0.02   1.9  15.0  10:30p  WSW  46.57  0.1   8" Clr-SlightHiHz M/PCld Ovcst-Cld Cld Cld/VryLtSn-Sn
26  28.2  30.3  11:25a  23.9  12:20a  36.8   0.0  0.44   1.9  15.0   3:05p  SSE  46.33 11.0  17" Cld/Snow-FineSn-Lt-VryLtSn Cld Cld/MCld VarM/PCld Cd
27  27.4  29.8  12:50p  22.9   8:35p  37.6   0.0  0.23   0.7  13.0  12:25p    S  17.65  6.5  19" TrcSn TnyBrks P/MCd Cd Cd/HvySn M/PCd Brks Cd/SnShrs
28  19.9  23.2  12:05a  14.1   6:25a  45.1   0.0 TRACE   2.9  26.0  11:55p   NE  68.60  0.7 MISS Cld/Sn MClr VarPCd-Cd ThinCds Cd Lt-Brz Cd/XtrmLtSn
29  19.4  21.1   2:50a  17.5  10:00p  45.6   0.0 TRACE   6.4  31.0   3:50p   NE 154.18  0.1  14" Cd Wndy VryLtExtmLtSn Ovcst-ThinnshCds Cd MCd PCd Cd
30  17.3  19.2  12:50a  14.8   4:15p  47.7   0.0  0.00   3.3  29.0   2:05a  NNE  79.00  0.0  14" Cd-BriefExtmLtSn Lt-Brz-Gusts TinyBrks VarPCd-Cd Clr
31  14.1  18.3   4:55a   7.7   4:00a  50.9   0.0  0.00   4.4  24.0   3:10p    E 105.92  0.0  14" Clr-MClr Lt-BrzyWind MClr Thin-VryThinCds Clr
-----------------------------------------------------------------------------------------------------------------------------------------------------
    24.6  39.5     7     6.1    20  1250.9   0.0  4.51   1.6  34.0    21   WSW 1198.19 38.9

(1) As measured on Front Lawn 
STATISTICS | DATA | GRAPHS | CONDITIONS - DAY of MONTH: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31| TOP 
AVERAGE Mean Temp:	24.6
AVERAGE High Temp:	28.4
MINIMUM High Temp:	12.6	19th
MAXIMUM High Temp:	39.5	7th
AVERAGE Low Temp:	20.5
MINIMUM Low Temp:	6.1	20th
MAXIMUM Low Temp:	35.2	7th
LoWEST Wind Chill Temp: 1.0	31st @ 2124 (based on 10 minute Average Wind Speed)
		
MAX >= 90.0:		0
MAX >= 80.0:		0
MAX >= 70.0:		0
MAX <= 32.0:		22	All but: 1st, 4th, 5th, 6th, 7th, 8th, 9th, 10th, 11th
MIN <= 32.0:		26	All but: 5th, 6th, 7th, 8th, 10th	
MIN <=  0.0:		0
		
MAXIMUM Humidity (%):	95	4th, 5th, 6th, 7th, 8th, 9th
MINIMUM Humidity (%):	16	21st @ 1633
		
MAXIMUM Pressure (mb):	1041.6	14th @ 0929
MINIMUM Pressure (mb):	979.3	26th @ 1459
		
TOTAL   Htg Deg Days:	1250.9
AVERAGE Htg Deg Days:	40.4
MINIMUM Htg Deg Days:	27.8	7th
MAXIMUM Htg Deg Days:	55.6	20th
TOTAL Cool Deg Days:	0.0
Heat Base:  65.0  Cool Base:  65.0  Method: Integration
		
TOTAL   Precip.:	4.51
AVERAGE Precip. A:	0.32	(Per day, for the 14 days with measurable precip.; including the 3 days with Trace = 0.27)
AVERAGE Precip. B:	0.15	(Per day)
DAYS of Precip.:	17	All but: 1st, 2nd, 12th, 13th, 14th, 15th, 17th, 18th, 19th, 20th, 21st, 22nd, 23rd, 30th, 31st
MAXIMUM Precip.:	0.97	4th
MAXIMUM Rain Rate:	0.24	8th @ 2012
Days of Rain: 13 (>.01 in) 10 (>.1 in) 0 (>1 in)
TOTAL Snowfall:		38.9
DAYS of Snowfall:	12	4th, 8th, 9th, 11th, 16th, 23rd, 24th, 25th, 26th, 27th, 28th, 29th
		
AVERAGE High Wind:	16.2
MINIMUM High Wind:	4	7th
MAXIMUM High Wind:	34	21st
WIND RUN (miles):	1198.19
		
DAYS Sun at any time:	19	All but: 4th, 5th, 6th, 7th, 8th, 9th, 11th, 23rd, 26th, 27th, 28th, 29th
DAYS OF Clr or M Clr:	6	14th, 17th, 18th, 19th, 21st, 31st
DAYS WITH Clr to P Cld: 4	12th, 13th, 16th, 22nd
DAYS WITH Cld or M Cld:	24	All but: 13th, 14th, 17th, 18th, 19th, 21st, 31st
DAYS OF Rainbow:	0
DAYS OF Aurora:		0
DAYS OF Lightning:	0
DAYS OF Earthquake:	0



GRAPHS | DATA | STATISTICS | CONDITIONS - DAY of Month: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | TOP

December 2008 - Barometric Pressure & Temperature with Highs & Lows.

December 2008 - Dewpoint & Humidity.

December 2008 - Rainfall & High Rain Rate with Pressure & Humidity.

December 2008 - High Wind, Wind Run, & 10 min. Avg Wind Speed.



CONDITIONS - DAY of Month: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | DATA | STATISTICS | GRAPHS | TOP

12/31/08: DATA | NWS Wind Advisory expired at Noon AST Today - See 1150 Below

12/30/08: DATA | NWS Wind Advisory remains in effect until 6 AM AST Wednesday - See 1546 12/29 | 1137: The Anna's Hummingbird first arrived today. It was last seen at 1000 hrs. Dec. 29.

12/29/08: DATA | 1546: Wind Advisory now in effect until 6 AM AST Wednesday - See 1546 Below | NWS: Record snowfall across Southeast Alaska yesterday Dec. 28 - See 0545 Below

SUNDAY 12/28/08: DATA | NWS at 1306: Wind Advisory in effect from 9 PM this evening to 3 PM AST Tuesday for downtown Juneau and the city of Douglas - See 1306 Below | NWS: Record snowfall across Southeast Alaska Today - See 0545 12/29 above | NWS: Significant snowfall across Southeast Alaska yesterday Dec. 27th - See 0735 Below

12/27/08: DATA | 0442 (& Repeated at 0612): NWS Winter Weather Advisory in effect until 6 PM AST this afternoon......Winter Storm Warning is cancelled - See 0442 Below | NWS: Significant snowfall across Southeast Alaska Today - See 0735 12/28 Above | NWS: Calendar Day Snowfall Records Shattered Across the Panhandle for Dec 26th - See 0325 Below

12/26/08: DATA | NWS at 2041: Winter Storm Warning remains in effect until 6 am AST Saturday - See 2041 Below | NWS: Calendar Day Snowfall Records Shattered Across the Panhandle Today - See 0325 12/27 Above

12/25/08: DATA | Christmas Day - The Light of the World - the Messiah Jesus Christ is born | 1151: NWS Winter Storm Warning remains in effect from Midnight tonight to 3 PM AST Friday - See 1151 Below

12/24/08: DATA | Christmas Eve | Christmas Eve | 1540: NWS Winter Storm Watch in effect from late Thursday night through Friday afternoon - See 1540 Below | No Weekly Picture today :: Have a Blessed Christmas :: David

12/23/08: DATA | 2039: NWS Winter Weather Advisory has been Cancelled by the NWS - See 2039 Below

12/22/08: DATA

SUNDAY 12/21/08: DATA | 4th Sunday in Advent | 2028: The Wind Advisory has been Cancelled by the NWS | 0530: NWS High Wind Warning in effect until Noon today - See 0530 Below | First Day of Winter - Winter Solstice was at 3:04 AM AST today

12/20/08: DATA | 0440: Wind Advisory in effect from Noon today to 4 PM AST Sunday - See 0440 Below | Winter Begins Tomorrow - Winter Solstice occurs at 3:04 AM AST, Sunday, December 21 | For the third day now, uploads of weather data have been slow, either because of the effect of cold weather on the phone line or more likely? because of internet congestion caused by cable breaks in the Mediterranean Sea, or both.

12/19/08: DATA | NWS: Wind Advisory in effect from Noon Saturday to Midnight AST Saturday night - See 1542 Below

12/18/08: DATA | NWS Wind Advisory Was Cancelled at 10:29 PM 12/17

12/17/08: DATA | 1531: NWS Wind Advisory in effect from 6 PM this evening to Noon Thursday near interior passes - See 1531 Below

12/16/08: DATA | Wind Direction Vane Now Operational after having been frozen since 2345 12/11 (began moving freely between 0800 and 0805)

12/15/08: DATA | Wind Direction Vane was Solidly Frozen until about 1500, Slight amount of movement noticed after that time

SUNDAY 12/14/08: DATA | 3rd Sunday in Advent | 1644: NWS Wind Advisory forecasted to be in effect until 6 PM AST this afternoon was Cancelled at 1644 - See 1702 Below | Wind Direction Vane Still Frozen

12/13/08: DATA | 1529: The NWS Wind Advisory is now in effect until 6 PM AST Sunday - See 1529 Below | Eaglecrest Ski Area Opened on a limited basis today - Open 9 AM - 3 PM | Wind Direction Vane Still Frozen

12/12/08: DATA | Wind Advisory in effect from 6 am Saturday to Midnight AST Saturday night - See 1543 Below | The Moon is the biggest and brightest (about 30 percent brighter and 14 percent larger) since 1993 | Wind Direction Vane has been Frozen Solid since 2345 12/11

12/11/08: DATA | 0247: NWS Winter Weather Advisory has been Cancelled

12/10/08: DATA | NWS Winter Weather Advisory in effect from Midnight tonight to Noon AST Thursday - See 1443 Below

12/09/08: DATA | 1140: Winter Storm Warning has been Cancelled by the NWS | Juneau Schools start 1 hour later than normal; snow bus stops are being used. Federal Building workers start 1 hour later | Wind Advisory Cancelled 3 AM | Christmas Open House with Gov. Palin & Family at Governor's Mansion 3 - 6 PM | Snowfall in the Juneau area from this snow event ranged from 1" at Thane to 15" - 20" Out the Road | Wet Snow covering Anemometer & Wind Dir. Vane 2120 12/8 to 0830 12/9

12/08/08: DATA | 2004: NWS Winter Weather Advisory in effect until Noon AST Tuesday......Winter Storm Warning is cancelled - See 2004 Below | 1943: NWS Wind Advisory in effect until 3 am AST Tuesday - See 1943 Below

SUNDAY 12/07/08: DATA | 2nd Sunday in Advent | Pearl Harbor Day | NWS: Winter Storm Watch Remains in effect from Monday evening through Tuesday afternoon for the far Northern Panhandle - See 1655 Below

12/06/08: DATA | NWS: Potential for Significant Snowfall Across Northern Panhandle Monday and Tuesday - See 1538 Below

12/05/08: DATA

12/04/08: DATA | 0700: No Bus Service on Cordova St., St. Ann's Ave., Franklin St., 4th St., and Davis Ave. because of Snow | NWS: Winter Weather Advisory was in effect until Noon AST today - See 1155 Below | NWS November 2008 Juneau Airport Climate Summary - See Below

NOVEMBER 2008 CLIMATE REPORT SUMMARY
NATIONAL WEATHER SERVICE JUNEAU, AK
530 AM AKST MON DEC 1 2008

...FIRST ABOVE NORMAL TEMPERATURES FOR JUNEAU SINCE MAY...

FOR THE FIRST TIME SINCE MAY 2008...THE AVERAGE MONTHLY TEMPERATURE AT THE
JUNEAU AIRPORT WAS WARMER THAN NORMAL...WITH A VALUE OF +2.1 DEGREES. THE
AVERAGE DAILY HIGH TEMPERATURE WAS 39.5 DEGREES...WHICH IS 1.9 DEGREES
ABOVE THE NORMAL HIGH OF 37.6. THE AVERAGE DAILY LOW TEMPERATURE WAS 31.2
WHICH WAS 2.3 DEGREES ABOVE THE NORMAL LOW OF 28.9.

TOTAL PRECIPITATION FOR THE MONTH WAS 5.89 INCHES...WHICH IS 0.46 INCHES
ABOVE THE MONTHLY NORMAL OF 5.43 INCHES. THE TOTAL SNOWFALL OF 3.8 INCHES
WAS WELL BELOW THE 12.3 INCH NORMAL SNOWFALL FOR THE MONTH. THE MOST SNOW
FELL ON NOVEMBER 20TH WHEN 2.2 INCHES WAS RECORDED. ANOTHER 1.1 INCHES WAS
RECORDED ON THE 23RD BEFORE A SHIFT IN THE WEATHER PATTERN BROUGHT A
WARMING TREND TO THE REGION...WITH THE LAST 5 DAYS OF NOVEMBER AVERAGING
AROUND 10 DEGREES ABOVE NORMAL.

THE HIGHEST WIND SPEED RECORDED AT THE AIRPORT WAS 59 MPH FROM THE EAST IN
ASSOCIATION WITH A STRONG WEATHER SYSTEM THAT BROUGHT EVEN HIGHER WINDS TO
THE REGION. ON THIS SAME DAY THE JUNEAU FEDERAL BUILDING RECORDED A 63 MPH
WIND GUST. THE MONTH ENDED ON A QUIETER NOTE WHEN A COOLER AND MORE
TRANQUIL WEATHER PATTERN SET IN AND LIGHT SNOW RETURNED TO JUNEAU.

12/03/08: DATA | 1948: NWS Winter Weather Advisory now in effect from Midnight Tonight to Noon AST Thursday - See 1948 Below | Wind Advisory cancelled at 0435

12/02/08: DATA | NWS Wind Advisory in effect from 6 PM this evening to 9 AM AST Wednesday - See 1531 Below

12/01/08: DATA