MONTHLY CLIMATOLOGICAL SUMMARY for SEPTEMBER 2011

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

                     
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  48.9  53.5   4:05p  44.2  11:55p  16.1   0.0  0.39   0.2  10.0  12:30a  SSE   3.86  0.0  0.0 Cd/SprToHvyRn Cd-LoCds/OccLtSpr-Drz-Mst DecrCds Clr
 2  50.1  52.2   1:05p  43.8  12:45a  14.9   0.0  0.34   1.5  17.0   7:05p  SSE  34.85  0.0  0.0 IncrCds Cd Cd/FewSpr Cd/Spr-Mist-Rn-VryLtRn-Driz Cd 
 3  51.5  52.8   9:10a  48.8  12:00m  13.5   0.0  0.72   1.0  13.0   1:10a  SSE  24.29  0.0  0.0 Cd/FewSp-MstShrs Cd/Rn LoCds/Rn Cd/Sp-VryLtRn-Drz-Rn
 4  49.5  51.6  11:45a  48.2   1:10a  15.5   0.0  0.48   0.5  10.0   4:25p  SSE  12.60  0.0  0.0 Cd/VryLtShrs Cd-LoCds/OccSp-VryLtRn Cd/SprToHvyRn Cd
 5  49.1  52.8  12:00m  47.6   6:05a  15.9   0.0  0.60   0.9  18.0  11:25p  SSE  20.89  0.0  0.0 Cd/VryLtRn&Shr Cd/LtMst-Sp Cd Cd/XtmLtSpr-VryLtRn-Rn
 6  53.6  55.4  11:00a  52.0   8:15p  11.4   0.0  0.50   1.4  20.0   4:15p  SSE  34.54  0.0  0.0 Cd/Rn Cd-VarBrk Cd/RnShr TnyBrks Cd/HvyRnShrs PCd Cd
 7  55.4  63.9   3:50p  48.0  12:00m   9.6   0.0  0.00   0.4  13.0  12:15a  SSE   8.73  0.0  0.0 Cld-OccVarBrks Cd M/PCd PCd PCd/MClr VarP/MCd MClr
 8  49.1  53.2  10:35p  46.0   6:10a  15.9   0.0  0.89   0.3  14.0   4:55p  SSE   7.86  0.0  0.0 IncrCd Cd-VarFog Cd-LocdEve/Sp-MstToHvyRn Cd/PeriodR
 9  54.2  57.5   3:55p  47.0  12:00m  10.8   0.0  0.04   1.4  16.0   3:10a  SSE  33.44  0.0  0.0 Cd/HvyShr-FewSp Cd SmBrks/VryLtRn-Spr VarCd/MCd-Brks
10  49.7  60.9   3:05p  41.3  12:00m  15.3   0.0  0.00   1.7  15.0   3:25p    W  40.27  0.0  0.0 P/MCd PCd MClr Lt-BrzyWind Clr/MClr Clr-FewCds Clr 
11  48.2  61.3   4:05p  39.9   3:55a  16.8   0.0  0.00   0.4  10.0  12:50p  WSW   8.46  0.0  0.0 Clr MCdw/VryThn-ThnshCd VarPCd-Clr MCdw/VryThn-Thnsh
12  52.1  65.2   3:40p  41.2   6:05a  12.9   0.0  0.00   0.4  13.0   2:15p  WNW  10.24  0.0  0.0 PCd VeryThnToThnshCd-Brk:P/MCd Cd PCd MCd/Cd & Cd Cd
13  55.8  59.2   3:35a  52.9  11:50p   9.2   0.0  0.07   1.1  11.0   4:20a  SSE  27.33  0.0  0.0 Cd Cd/Occ:XtmLtSpToVryLtSp-Mst-VryLtR-Drz Cd/OccShrs
14  52.6  53.9   5:45p  48.3  11:55p  12.4   0.0  0.80   0.6  14.0   1:15a  SSE  15.47  0.0  0.0 Cd/VryLtRn Cd Cd/Rn-VryLtRn-Driz-Spr Cd Cd/Shr Cd
15  48.3  55.4   2:35p  40.5   7:10a  16.7   0.0  0.00   0.1   8.0   1:20p  WSW   1.85  0.0  0.0 PCd FogOverWater MClr VarCd-Brks/PCd Cd/MCd PCd Cd
16  49.5  54.4  11:50a  46.0   4:45a  15.5   0.0  0.02   0.0   9.0   5:15p  SSE   1.05  0.0  0.0 Cd Cd/Shr Cd-Hnts:Brks-Blu FiltBrks Cd Cd/VryLtSp Cd
17  48.7  52.8   4:15p  43.8  11:55p  16.3   0.0  0.05   0.8  11.0  12:15p  SSE  19.05  0.0  0.0 Cd Cd/LtRn Cd OccTnyBrks/VryLtShrs Thn-VryThnCds PCd
18  48.5  54.7   1:45p  43.5  12:20a  16.5   0.0  0.08   1.5  14.0  10:35a  WNW  36.06  0.0  0.0 Cd Cd/Rn-VryLtRn-Sp MCd Brks Lt-Brz Cd/OccSp-VryLtRn
19  49.9  52.5  12:05p  47.6  12:05a  15.1   0.0  0.26   1.4  18.0  11:25p  SSE  32.50  0.0  0.0 Cd/TrcRn Cd Cd/XtmLtSprToDriz-Rn Cd Cd/Shr Lt-Brzy
20  50.9  52.6   9:15a  49.1  11:50p  14.1   0.0  0.75   3.0  20.0   4:20a  SSE  72.66  0.0  0.0 Cd/XtmLtSpr-Rn-Sp-Mst-LtDrz-VryLtR-R-FewLulls LtWind
21  49.5  52.5   6:50a  48.6   1:40p  15.5   0.0  1.07   3.0  28.0   1:30p  SSE  71.12  0.0  0.0 Cd/SprToRn-Lulls Cd/Rn Lt-Brzy-Gusts Cd/SprToRn Cd
22  47.8  53.8  11:50p  44.5   9:55p  17.2   0.0  0.11   1.4  26.0  11:50p  SSE  33.75  0.0  0.0 Cd/Shr FewBrk Cd/Sp-Rn Rnbow PCd ThnshOvcst Cd Gusts
23  46.6  53.5  12:25a  44.6   7:05a  18.4   0.0  0.56   1.5  29.0   2:55a    W  34.87  0.0  0.0 Cd/R Gsts Cd Cd/R-Sp Cd Cd/Sp-R-VryLtR Cd Cd/LtSp Cd
24  44.6  48.8   3:55p  38.3  11:10p  20.4   0.0  0.27   0.6  10.0   8:40a  SSE  14.86  0.0  0.0 Cd/Shrs/SpToR Cd Brks Cd/Shr Rnbow VarPCd-Cd PCd Clr
25  44.6  52.3   2:15p  38.3  12:20a  20.4   0.0  0.13   1.1  14.0   4:05a    W  26.59  0.0  0.0 Cd DecrCds Clr/MClr Brks VarM/PCd OccBrks/SprToRn Cd
26  49.8  56.6   1:40p  40.5   7:35a  15.2   0.0  0.00   1.7  25.0   2:15p    E  39.63  0.0  0.0 FewBrk PCd MClr PCd MCd/Thn-Thnsh Cd Lt-Brz ThnCd Cd
27  48.3  52.6  12:50a  45.1   7:10a  16.7   0.0  0.02   1.0  14.0  12:40a  SSE  24.41  0.0  0.0 Cd Cd/Lt-VryLtSpr Cd Cd-XtmWkSun Cd FiltBlu Cd Cd/Rn
28  46.0  47.0  12:05a  45.1  11:55p  19.0   0.0  1.01   1.9  15.0  12:10p  SSE  45.08  0.0  0.0 Cd/HvyRn Cd Cd/LtDrz-Rn-Lt-VryLtRn-LtSp-Sp LtWindOcc
29  45.8  50.2   2:00p  43.6  12:00m  19.2   0.0  0.24   1.0  13.0   3:45p  SSE  24.86  0.0  0.0 Cd/VryLt-LtRn Cd Cd/LtSpr Cd ThnshOvcst Cd Cd/SpToRn
30  44.9  51.6  12:15p  41.8   2:40a  20.1   0.0  0.35   0.5  11.0   3:35p  SSE  12.83  0.0  0.0 Cd/Shrs Brks M/PCd CdToPCd/Shrs Rnbws Cd Cd/LtRn-Spr
-----------------------------------------------------------------------------------------------------------------------------------------------------
    49.5  65.2    12    38.3    24   466.5   0.0  9.75   1.1  29.0    23    SSE 774.00  0.0

(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 | TOP 
AVERAGE Mean Temp:	49.5
AVERAGE High Temp:	54.5
MINIMUM High Temp:	47.0	28th
MAXIMUM High Temp:	65.2	12th
AVERAGE Low Temp:	45.0
MINIMUM Low Temp:	38.3	24th
MAXIMUM Low Temp:	52.9	13th
		
MAX >= 90.0:		0
MAX >= 80.0:		0
MAX >= 70.0:		0
MAX <= 32.0:		0
MIN <= 32.0:		0
MIN <=  0.0:		0
		
MAXIMUM Humidity (%):	96	4th, 5th
MINIMUM Humidity (%):	31	26th @ 1333
		
MAXIMUM Pressure (mb):	1027.2	10th @ 0044
MINIMUM Pressure (mb):	979.8	23rd @ 0344
		
TOTAL   Htg Deg Days:	466.5
AVERAGE Htg Deg Days:	15.6
MINIMUM Htg Deg Days:	9.2	13th
MAXIMUM Htg Deg Days:	20.4	24th, 25th
TOTAL Cool Deg Days:	0.0
Heat Base:  65.0  Cool Base:  65.0  Method: Integration
		
TOTAL   Precip.:	9.75
AVERAGE Precip.:	0.41
DAYS of Precip.:	24	All but: 7th, 10th, 11th, 12th, 15th, 26th
MAXIMUM Precip.:	1.07	21st
MAXIMUM Rain Rate:	1.45	4th @ 0715
Days of Rain: 24 (>.01 in) 18 (>.1 in) 2 (>1 in)
TOTAL Snowfall:		0.0
DAYS of Snowfall:	0
		
AVERAGE High Wind:	15.3
MINIMUM High Wind:	8	15th
MAXIMUM High Wind:	29	23rd
WIND RUN (miles):	774.00
		
DAYS Full Sun at any time:	 16	1st, 6th, 7th, 9th, 10th, 11th, 12th, 15th, 16th, 17th, 18th, 22nd, 24th, 25th, 26th, 30th
DAYS Extrm. Weak to Weakened Sun: 2	27th, 29th
DAYS OF Cld or M Cld:	30
DAYS OF Rainbow:	4	22nd: 1500: Weak Partial Rainbow to the NE. 
				24th: 1314: Partial Rainbow in front of Mt. Juneau. 
				25th: 1531: Faint Partial Rainbow to the ENE. 
				      1546: Partial Rainbow to the ENE. 
				      1550: Partial Rainbow to the NE-ENE.
				      1621: Very Faint Partial Rainbow to the E.
				30th: 1354: Full - Weak to NNE.
				      1537-1548: Full to NE with 2nd Faint Rainbow.
DAYS OF Aurora:		0
DAYS OF Lightning:	0
DAYS OF Earthquake:	3	5th: 1236: 2.6 M1 Earthquake 34 miles ESE (102 degrees) of Juneau. 
				     1939: 3.0 M1 Earthquake 31 miles ESE (114 degrees) of Juneau.
				6th: 2233: 2.7 M1 Earthquake 35 miles E of Juneau.
				7th: 0453: 2.9 M1 Earthquake 37 miles E of Juneau. 
				     0521: 2.6 M1 Earthquake 36 miles E of Juneau. 
				     1352: 3.0 M1 Earthquake 35 miles E 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 | TOP

September 2011 - Barometric Pressure & Temperature with Highs & Lows.

September 2011 - Dewpoint & Humidity.

September 2011 - Rainfall & High Rain Rate with Pressure & Humidity.

September 2011 - 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 | DATA | STATISTICS | GRAPHS | TOP

Fri. 9/30/11: DATA

Thur. 9/29/11: DATA

Wed. 9/28/11: DATA

Tue. 9/27/11: DATA

Mon. 9/26/11: DATA | 0331: The NWS has Cancelled the Frost Advisory - See 0331 Below

SUNDAY 9/25/11: DATA | Frost Advisory in effect from Midnight Tonight to 9 AM ADT Monday - See 1520 Below | 0717: The NWS has Cancelled the Frost Advisory and the Dense Fog Advisory - See 0717 Below

Sat. 9/24/11: DATA | NWS: Local Areas of Frost Tonight - See 0436 Below | Last Cruise Ship of the 2011 Visitor Season Today - Celebrity Cruises Century

Fri. 9/23/11: DATA | First Day of Fall - Autumnal Equinox occurred at 1:05 AM ADT | 0650: A Dusting of Snow is visible at the very top of the Mt. Juneau Ridge

Thur. 9/22/11: DATA | Fall begins tomorrow, September 23rd at 1:05 AM ADT with the Autumnal Equinox

Wed. 9/21/11: DATA | 1814: NWS: The High Wind Warning has been Cancelled - See 1814 Below | NWS: Wet and Windy Weather Continues for the Panhandle (Updated) - See 1533 Below

Tue. 9/20/11: DATA | NWS: Wet and Windy Weather Continues for the Panhandle (posted here 9/21/11 afternoon) - See 1800 Below

Mon. 9/19/11: DATA | Last day of the 2011 visitor season with 5 cruise ships in port on the same day

SUNDAY 9/18/11: DATA | 0755: A Light Dusting of Snow is visible on Olds Mountain

Sat. 9/17/11: DATA

Fri. 9/16/11: DATA | POW/MIA Recognition Day

Thur. 9/15/11: DATA

Wed. 9/14/11: DATA

Tue. 9/13/11: DATA | Record High Temperatures for Three Communities on 12 September - See 0530 Below

Mon. 9/12/11: DATA

SUNDAY 9/11/11: DATA | 10th Anniversary 9/11/01 Remembrance Ceremony, 9:40 AM, Rotary Park, Riverside Drive

Sat. 9/10/11: DATA | NWS: Local Areas of Frost early Sunday morning - See 1344 Below

Fri. 9/09/11: DATA | Three More Earthquakes E of Juneau occurred on Wed. September 7th at: 1352, 0521, 0453; and another Earthquake E of Juneau occurred on September 6th at: 2233.

Thur. 9/08/11: DATA

Wed. 9/07/11: DATA | Three More Earthquakes E of Juneau occurred today at: 1352, 0521, 0453 | Meeting on Douglas Post Office Possible Closure this evening, 7 - 9 PM, Mt. Jumbo Gym, 909 4th St., Douglas

Tue. 9/06/11: DATA | 2.7 M1 Earthquake 35 miles E of Juneau - See 2233 Below | Wind Advisory Cancelled at 0441 | NWS: Record Precipitation on Labor Day - See 1430 Below | Meeting on July 7th about possible Douglas Post Office Closure - See 9/05 Below | Two Earthquakes near Juneau and close to Snettisham on Sept. 5th - See Sept. 5th Below

Mon. 9/05/11: DATA | Labor Day - Federal, State, and Local Holiday | 1236: 2.6 M1 Earthquake 34 miles ESE (102 degrees) of Juneau and 2 miles NE of Snettisham - See 1236 Below | 1939: 3.0 M1 Earthquake 31 miles ESE (114 degrees) of Juneau and 8 miles NE of Snettisham - See 1939 Below | NWS: Local Streams and Rivers to Continue Rising through Tuesday - See 1600 Below | NWS: Wind Advisory remains in effect from 10 PM this evening to 7 AM ADT Tuesday - See 1540 Below | Meeting about possible Douglas Post Office Closure (and likely loss of Zipcode): 7 - 9 PM, Wed. Sept. 7th, Mt. Jumbo Gym, 909 4th St., Douglas

SUNDAY 9/04/11: DATA | NWS: New Precipitation Record set for Klawock on September 3rd - See 0320 Below

Sat. 9/03/11: DATA | NWS Summary of August 2011 Weather at the Juneau International Airport - See Below

Fri. 9/02/11: DATA | Information Only Post for this area - PUBLIC TSUNAMI MESSAGE NUMBER 1 - See 0259 Below ... Tsunami Warning Cancelled at 0405 - See 0405 Below (Message 2 at 0336 was a repeat of Message 1)

Thur. 9/01/11: DATA | August 2011 Rainfall was the 4th highest since August records began in 1984 at the West Juneau Weather Station - See Below