MONTHLY CLIMATOLOGICAL SUMMARY for JANUARY 2012

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  32.4  36.6  12:00m  29.3  12:55a  32.6   0.0  0.62   1.1  16.0   7:30p    E  25.56  7.4  13" Cd Cd/Snow-WithOneLull Cd/Rn-Sn/Rn-Sp-VryLtRn Lt-Brz
 2  33.2  38.5   1:15a  27.2   8:35p  31.8   0.0  0.12   1.0  22.0   7:40a  WSW  24.38  0.2   8" Cd/R/VryLtS-R VarCd-PCd/SnPelShrs VarPCd-Cd MClr PCd 
 3  32.3  38.3   8:20p  27.5  12:55a  32.7   0.0  0.11   1.7  23.0  11:00a  SSE  40.03  0.8 MISS MCd Cd Lt-Brzy-Gsts Cd/XtmLtSnToSn Cd/Spr-VryLtRn-Rn
 4  35.0  38.2  10:25p  32.4   8:50a  30.0   0.0  0.38   1.2  20.0   4:10a  SSE  29.59  1.5   8" Cd Cd/Sp-VryLtR/Sn/LtRn-Sn/SpToRn Cd Brks Cd/Spr-Shr
 5  33.2  38.2  12:20a  28.8   8:15p  31.8   0.0  0.09   0.5  10.0   1:55a FRZN? 12.19 TRCE   7" Cd Cd/LtR Cd/LtSp/Sn-IcePel/VryLtR-Sn/S Cd VarThnCds
 6  33.6  37.3  11:35p  31.5  12:05a  31.4   0.0  0.09   1.2  15.0  10:00p   *   28.52  0.7   7" Cd Cd/FewTnyFlksToSn Cd/S-R/LtMst-Sp-VryLt:R-S/Drz-R
 7  38.1  42.1  11:55p  34.7   5:00a  26.9   0.0  0.95   3.7  23.0   9:30a  SSE  87.75  0.0   4" Cd/Rn-VryLtRn-LtRn-Spr-Driz Lt-BrzyWnd Cd Cd/SprToRn
 8  39.2  42.1  12:05a  36.3  11:30p  25.8   0.0  0.46   3.3  21.0   7:50a  SSE  79.51  0.0   1" Cd/RShrs Lt-Brz-Gsts Cd/Sp-VryLt:R-Drz/LtMst Cd Cd/R
 9  30.2  36.6  12:05a  27.0  12:00m  34.8   0.0  0.09   0.9  17.0   4:20a   **  21.87  1.6   2" Cd-VarBrks/Sn-SnShr PCd Cd-OccBrks-ClrAreas/SnShrs
10  30.4  32.9  11:55p  26.1  12:30a  34.6   0.0  0.31   0.7  14.0   2:25p  ***  17.31  5.6   7" Cd Cd-FewFlakes Cd/VryLtSn Cd-MnlndMostlyHidden/Snow 
11  34.9  37.2   7:05p  32.8  12:05a  30.1   0.0  0.76   2.4  18.0   7:30a  SSE  57.75  1.0+? 6" Cd/Sn/Sn-Rn/Rn-Sn/Rn-Sp-VryLtR-VryLtDrz-Mst-Rn LtWnd
12  35.6  37.6  11:25a  33.1  12:55a  29.4   0.0  0.57   2.0  18.0   9:50a  SSE  47.52  0.0   3" Cd/VarRn Cd/Lt-VryLtRn-Rn-Spr-VryLtSpr Lt-Brz Cd PCd
13  29.4  34.0  12:05a  24.1  12:00m  35.6   0.0  0.05   0.6  10.0   2:20a    S  13.15  1.6   5" VarHiClds VarPCd-MClr VarCdToPCd Cd/VarSn Cd MCd PCd
14  18.5  24.2  12:10a  12.6   8:10p  46.5   0.0  0.00   2.0  25.0  10:15p    W  47.03  0.0   4" VarCds VarPCd-MClr VarClr-MClr WindMtns Lt-Brzy-Wndy
15  11.8  15.2   3:20a   4.1  11:40p  53.2   0.0  0.00   1.7  21.0   5:55a    E  40.86  0.0 MISS Clear OccLtWind
16   3.8   7.7   3:25a  -1.2   8:30p  61.2   0.0  0.00   0.6  15.0   3:20a  WSW  13.17  0.0   3" Clear Clr-AFewClds Clear
17   4.3   8.6  11:40p  -2.2   2:30a  60.7   0.0  0.00   1.6  16.0   9:15a    E  38.40  0.0   3" Clear OccLtWind
18  10.3  15.6   5:35p   3.2   1:00a  54.7   0.0  0.00   1.4  17.0   5:15a  WSW  33.87  0.0   3" Clear - Wind Blowing Mainland Mtns
19  14.1  18.0  11:10p   6.3  12:05a  50.9   0.0  0.00   2.4  30.0   9:15p    E  58.49  0.0   3" Clr MClr PCd MCd P/MCd Clr MClr/PCd MCd PCd Brz-Gsts
20  19.4  21.6   1:30p  17.7  12:45a  45.6   0.0  0.00   5.8  41.0   8:50a    E 140.20  1.0   4" IncrCd LtWind-Brzy-Gsts Cd Cd/VryLtFineSnow-FineSn
21  22.0  30.7  11:20p  18.3   7:40a  43.0   0.0  0.16   1.8  22.0  12:55a    E  42.22 @2.0+? 4" Cd/Sn Lt-Brzy-Gsts Cd/Occ:FewFlakesToSn Cd/VarSn
22  29.9  32.2   1:35p  22.1  12:00m  35.1   0.0  0.24   1.4  17.0  12:40a  SSE  34.34  5.1   8" Cd/XtmLtSnToSn OccSm-TnyBrk/FewSnShrs DecrCd PCd MCd
23  29.4  31.8   1:10p  21.9  12:25a  35.6   0.0  0.41   0.1  13.0   6:00p    S   2.40  7.0  15" Cld Cld/ExtrmLtSnowToSnow MainlandVarObscured&Hidden
24  31.8  32.8   6:55p  30.4   5:55a  33.2   0.0  0.33  #0.4 #14.0   8:35a    S #10.28+ 4.1  16" Cd/Sn Cd Cd/XtmLtSnToLtSn Cd Cd/XtmLtSnToLtS/Sn-Rn/S
25  31.2  32.9   4:30a  27.9  11:50p  33.8   0.0  0.59  #0.4 #14.0   2:25p  SSE  #9.06+ 7.8  21" Cd-OccBrks/Periods&Shrs:VryLtToHvySn Cd PCd Cd Cd/Sn
26  26.6  28.1  12:25a  24.4   7:25a  38.4   0.0  0.27   0.3  15.0   4:25a    S   7.63  6.6  24" Cd/SnShrs MCd Cd-OccBrks/VryLtSnToSnShrs Cd Cd/VarSn
27  26.2  28.1  12:25p  22.1   2:10a  38.8   0.0  0.02   0.1  11.0  12:50p    S   3.46  2.3  23" Cd/SnShrs VarM/PCd-Brks Cd-FltBrks OccFlakesAllDay
28  28.8  30.3   1:35p  26.4  12:05a  36.2   0.0  0.04   0.3  14.0  11:35a    W   8.12  2.3 MISS Cd/VryLtSn Cd Cd-FewHntBlue&ofBrks Cd Cd/XtmLtSpr Cd
29  28.6  29.8  12:05p  27.5  10:05p  36.4   0.0  0.52   0.1   6.0  12:20a    W   1.20  8.4  28" Cd/VeryLtSnowToSnow MainlandHiddenMuchofDay Cd Cd/Sn
30  31.9  36.0  11:25p  27.2   2:10a  33.1   0.0  0.16   0.7  11.0   6:45p  SSE  16.34  3.4 MISS Cd Cd/VryLtSnToSn/XtmLtSn-Rn/Sp-VryLtRn-Drz Cd Cd/Rn
31  35.5  37.3   1:50p  33.4  10:00p  29.5   0.0  0.41   0.8  14.0   1:40a  SSE  18.69  0.0  22" Cd/Rn Cd Cd/Spr-Rn/Rn-BitofSnMixedIn/VryLtSp-VryLtRn
-----------------------------------------------------------------------------------------------------------------------------------------------------
    27.1  42.1     7    -2.2    17  1173.4   0.0  7.75   1.4  41.0    20  SSE #1010.89+ 70.4+?

(1) As measured on Front Lawn at 21:00, rounded to the nearest inch if there is uncertainty.

@: Jan. 21: Snowfall of 2.0", plus a Trace to 1/2"? It was very difficult to determine the snowfall 
Jan. 20 -21 night because of the constant wind, virtually no area was immune from the wind.

* Jan. 6: Frozen until 0940 then DOM DIR was SSE
** Jan. 9:  DOM DIR was S or WSW until the Wind Direction Vane Froze at about 4:30 AM
*** Jan. 10: Frozen until 0955 then DOM DIR was SSE

# From 9:20 PM 1/24 to 1:48 PM 1/25 the Anemometer was Impeded
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:	27.1
AVERAGE High Temp:	30.7
MINIMUM High Temp:	7.7	16th
MAXIMUM High Temp:	42.1	7th, 8th
AVERAGE Low Temp:	23.0
MINIMUM Low Temp:	-2.2	17th
MAXIMUM Low Temp:	36.3	8th
LOWEST Wind Chill Temp: -6.0	17th @ 0954 (based on 10 minute Average Wind Speed)
		
MAX >= 90.0:		0
MAX >= 80.0:		0
MAX >= 70.0:		0
MAX <= 32.0:		13	14th, 15th, 16th, 17th, 18th, 19th, 20th, 21st, 23rd, 26th, 27th, 28th, 29th
MIN <= 32.0:		25	All but: 4th, 7th, 8th, 11th, 12th, 31st
MIN <=  0.0:		2	16th, 17th
		
MAXIMUM Humidity (%):	94	3rd, 4th, 11th, 22nd, 25th
MINIMUM Humidity (%):	24	19th @ 1109
		
MAXIMUM Pressure (mb):	1039.2	16th @ 0414
MINIMUM Pressure (mb):	964.6	25th @ 0044
		
TOTAL   Htg Deg Days:	1173.4
AVERAGE Htg Deg Days:	37.9
MINIMUM Htg Deg Days:	25.8	8th
MAXIMUM Htg Deg Days:	61.2	16th
TOTAL Cool Deg Days:	0.0
Heat Base:  65.0  Cool Base:  65.0  Method: Integration
		
TOTAL   Precip.:	7.75
AVERAGE Precip.:	0.31
DAYS of Precip.:	25	All but: 14th, 15th, 16th, 17th, 18th, 19th
MAXIMUM Precip.:	0.95	7th
MAXIMUM Rain Rate:	0.31	7th @ 1932
Days of Rain: 24 (>.01 in) 18 (>.1 in) 0 (>1 in)
TOTAL Snowfall:		70.4
DAYS of Snowfall:	21	All but: 7th, 8th, 12th, 14th, 15th, 16th, 17th, 18th, 19th, 31st
		
AVERAGE High Wind:	17.5
MINIMUM High Wind:	6	29th
MAXIMUM High Wind:	41	20th
WIND RUN (miles):	1010.89
		
DAYS Full Sun any time:	11	2nd (mainland), 9th, 14th, 15th, 16th, 17th, 18th, 19th, 20th (mainland), 25th, 27th
DAYS Extrm. Weak to Weakened Sun: 2	5th (mainland), 26th
DAYS OF All Clear:	4	15th, 16th, 17th, 18th
DAYS OF Cld or M Cld:	27	All but: 15th, 16th, 17th, 18th
DAYS OF Rainbow:	0
DAYS OF Aurora:		0
DAYS OF Lightning:	0
DAYS OF Earthquake:	1	4th @ 0726: 4.3 M Earthquake 135 miles NW of Juneau



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

January 2012 - Barometric Pressure & Temperature with Highs & Lows.

January 2012 - Dewpoint & Humidity.

January 2012 - Rainfall & High Rain Rate with Pressure & Humidity.

January 2012 - 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

Tue. 1/31/12: DATA | Juneau Empire article about Snow in Juneau | 1000 - 1130: Avalanche Control was done for Thane Road - State DOT/PF was shooting at the snowpack on Mt. Roberts | NWS: Warm and Wet across the Panhandle through the week - See 1444 Below

Mon. 1/30/12: DATA | NWS: Warm and Wet across the Panhandle through the week - See 2112 Below | School Buses are on Winter Snow Routes | Capital Transit is on Winter Snow Routes until Midnight | New Record Daily Snowfall in Juneau on Sunday Jan. 29 - See 0200 Below

SUNDAY 1/29/12: DATA | New Record Daily Snowfall in Juneau for today, Sunday Jan. 29 - See 0200 1/30 Above | 2049: Winter Storm Warning remains in effect until Midnight AST Tonight ... the Winter Weather Advisory is no longer in effect - See 2049 Below

Sat. 1/28/12: DATA

Fri. 1/27/12: DATA

Thur. 1/26/12: DATA

Wed. 1/25/12: DATA | Winter Storm Warning for Heavy Snow Expired at 9 AM AST this morning | School Buses are on Winter Snow Routes | 1348: Anemometer is Working Now

Tue. 1/24/12: DATA | 1942: Winter Storm Warning for Heavy Snow remains in effect from 6 PM this evening to 9 AM AST Wednesday - See 1754 Below

Mon. 1/23/12: DATA | 1907: Winter Storm Warning in effect until 5 AM AST Tuesday - See 1907 Below | 1859: Winter Weather Advisory is cancelled - See 1859 Below

SUNDAY 1/22/12: DATA | Winter Storm Warning Expired at 9 AM AST this morning - See 0858 Below

Sat. 1/21/12: DATA | 1545: Winter Storm Warning for Heavy Snow remains in effect until 9 AM AST Sunday - See 1545 Below | The High Wind Warning was Cancelled at 9:46 PM 1/20 - See 2146 1/20

Fri. 1/20/12: DATA | NWS: High Wind Warning remains in effect until 5 AM AST Saturday - See 1544 Below | Rally For Life - State Capitol at Noon

Thur. 1/19/12: DATA | NWS: High Wind Warning now in effect until 5 AM AST Saturday - See 1553 Below | NWS: A series of Winter Storms to affect Southeast Alaska Friday through Monday - See 0250 Below

Wed. 1/18/12: DATA | NWS: A series of Winter Storms to affect Southeast Alaska Friday through Monday - See 1558 Below

Tue. 1/17/12: DATA | Second Session of the 27th Alaska State Legislature Convenes Today - The House at 1 PM and the Senate at 1:30 PM

Mon. 1/16/12: DATA | M.L. King Jr. Day - Federal, State, and Local Holiday

SUNDAY 1/15/12: DATA | 1953: The High Wind Warning is Cancelled - See 1953 Below

Sat. 1/14/12: DATA | 1532: NWS: High Wind Warning in effect from Noon to 9 PM AST Sunday for downtown Juneau and south Douglas - See 1532 Below

Fri. 1/13/12: DATA

Thur. 1/12/12: DATA | NWS: Very Cold and Windy Conditions for the Panhandle this weekend and next week - See 2030 Below

Wed. 1/11/12: DATA

Tue. 1/10/12: DATA | Wind Direction Vane was Frozen until 0955

Mon. 1/09/12: DATA | Wind Direction Vane Froze at about 0430

SUNDAY 1/08/12: DATA | Record precipitation for Saturday, Jan. 7th in Haines and Juneau - See 0411 Below

Sat. 1/07/12: DATA | Record precipitation for Saturday Jan. 7th in Haines and Juneau - See 0411 1/08 Above

Fri. 1/06/12: DATA | Russian Orthodox Christmas | Epiphany | 0940: Wind Direction Vane is Working Now

Thur. 1/05/12: DATA | Wind Direction Vane Frozen much of the Day?

Wed. 1/04/12: DATA | 0726: 4.3 M Earthquake 135 miles NW of Juneau - See 0726 Below

Tue. 1/03/12: DATA | NWS Summary of December 2011 Weather at the Juneau International Airport - See Below

Mon. 1/02/12: DATA | Federal, State, and Local Holiday | Avalanche Control on Mt. Roberts above Thane Road started at 1003, Last Shot was Fired at 1127 | 0652: Now Available: December 2011 Monthly Report, 2011 Yearly Report, and updated Weather Database | 1155: Rain Chart has been updated to include 2011

SUNDAY 1/01/12: DATA | Happy New Year! | 1849: Winter Storm Warning is Cancelled - See 1849 Below | Since 0430 The Wind Direction Vane is definitely OK and has been variably semi-frozen and freely moving since 2120 12/31