MONTHLY CLIMATOLOGICAL SUMMARY for SEPTEMBER 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

                     
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  50.9  54.1   1:45p  46.7  12:10a  14.1   0.0  0.89   1.4  16.0   8:15a  SSE  33.33  0.0  0.0 VarPCd-MCd MCd Cd Cd/VryLtRn-Spr Cd Cd/VryLtSprToRn
 2  50.6  55.3   2:05p  49.1   5:40a  14.4   0.0  0.32   0.8  13.0   1:40p  SSE  19.32  0.0  0.0 Cd/Shrs Cd/Shrs:Spr-MstToRn Cd-Brks Cd/Sp-Rn-Drz-Mst
 3  51.4  52.8  11:35p  49.9  12:05a  13.6   0.0  0.40   1.1  13.0   4:00p  SSE  26.36  0.0  0.0 Cd/RnShr LoCd/Spr Cd/OccSp Cd/VryLtDrz-Mst-Sp-Drz-Rn
 4  54.0  60.1   1:45p  49.2  12:00m  11.0   0.0  0.29   0.7  14.0   4:20a  SSE  17.34  0.0  0.0 Cd/Rn Cd/BitLtMst-Sp VarCd-Brks-Sun/OccSp-VryLtRn Cd
 5  50.4  53.3  10:40a  48.0   7:20a  14.6   0.0  0.22   0.9  14.0   3:40p  SSE  21.00  0.0  0.0 Cd Cd-Brks PCd Cd Cd/LtSp-VryLtMst-Sp-VryLtRnToR-Drz
 6  51.4  58.7   2:55p  46.7  10:45p  13.6   0.0  0.05   0.1  10.0   3:55p  WSW   2.11  0.0  0.0 Cd/Shr Var:Brks-Cld-Sun/OccSp-RnShr PCd Cd/Shr M/PCd
 7  48.1  51.3  11:50p  44.5   5:05a  16.9   0.0  0.66   0.9  14.0  12:25p  SSE  21.10  0.0  0.0 Cd Cd-LtWnd/VryLtSpr-Spr-Rn-LtRn-Drz-VryLt:Rn-Drz/Rn
 8  51.5  54.1   8:50p  49.4  11:15p  13.5   0.0  0.96   0.7  21.0   9:40p  SSE  17.61  0.0  0.0 Cd/BitofRn Cd-Fog Cd Cd-OccLoCds/Sp-Mst-Drz-Rn-HvyRn
 9  47.4  51.4   1:20p  44.1  11:05p  17.6   0.0  0.41   0.4  10.0   4:20a  SSE   8.50  0.0  0.0 Cd/Rn Cd Cd/SpToRn Cd/Occ:Brks-Sp-VryLtRn Cd/SprToRn
10  47.2  52.6   2:45p  44.1  12:05a  17.8   0.0  0.45   0.2  10.0   4:25p  SSE   5.00  0.0  0.0 Cd LoCd VarBrk&MCd M-PCd LtSp-Rnbws Cd/SpToHvyR-Hail 
11  46.1  47.9   9:30a  44.5   2:25a  18.9   0.0  0.36   0.3  10.0   8:25p  SSE   6.22  0.0  0.0 Cd/Shr CdThnCd Cd FewBrk Cd Cd/Sp Cd Cd/Sp-Mst-Drz-R
12  49.8  52.6   5:50p  46.1  12:05a  15.2   0.0  1.42   1.3  14.0   6:40a  SSE  32.39  0.0  0.0 Cd/HvyRn-Rn-VryLtRn-VarSpr-VryLtDriz-Drz Cd-FiltBrks
13  50.1  52.6   8:35a  46.0  11:25p  14.9   0.0  0.71   0.6  14.0   9:25p  SSE  13.25  0.0  0.0 Cd Cd-LoCds-Fog/SprToRn Cd/Spr-VryLtRn-LtRn-Rn
14  48.6  50.7  11:20a  46.0  12:05a  16.4   0.0  0.30   1.0  13.0   6:40a  SSE  23.81  0.0  0.0 Cd/Shrs Cd Cd-OccHntsBlu-Brks/VryLtSpToDrz-RnW/Lulls
15  48.5  50.4  11:55a  47.3   5:50a  16.5   0.0  0.11   0.2   9.0   2:35p  SSE   4.80  0.0  0.0 Cd/OccVryLtRn Cd-FewSpr Cd Cd/Spr-VryLtRn Cd Cd/MCd
16  49.9  53.8   1:20p  46.8   2:20a  15.1   0.0  0.02   0.4  10.0   9:10p  SSE   8.46  0.0  0.0 Cd Cd-HntsofBrks-TnyBrks-Brks Cd-Brite Cd-Brks Cd/Rn
17  49.4  52.9   3:25p  43.8  11:15p  15.6   0.0  0.75   1.1  14.0   3:25a  SSE  27.34  0.0  0.0 Cd/Rn-Drz-VryLtSp-Mst LoCd/SprShr PCd MCd Cd/Sp Brks
18  47.0  50.8   2:30p  42.6  12:00m  18.0   0.0  0.00   0.0   4.0   9:40a  ENE   0.40  0.0  0.0 Foggy-CldyOvhd&Fog Cd Cd-FiltBrk VarBrks Cd Ovcst-Cd
19  47.3  52.6   8:50p  40.2   2:15a  17.7   0.0  0.00   0.0   7.0  10:00p  SSE   0.90  0.0  0.0 Cd-VarFog Cd-FewHintsBlue-VarBrks Cd Cd-XtmWkSun Cd
20  52.5  59.8   2:35p  48.6   3:15a  12.5   0.0  0.06   1.7  21.0   3:15p  WNW  41.58  0.0  0.0 Cd/Shr Cd/VryVryLtMst-Sp Cd-Brks PCd MClr Clr Lt-Brz
21  52.4  59.3   2:05p  47.3   3:25a  12.6   0.0  0.00   0.0   2.0   3:25a  SSE   0.00  0.0  0.0 Clr Fog MClr Clr Clr/MClr PCd MCd Brks Cd/MCd Cd Brk
22  52.7  56.6   2:35p  47.6   5:25a  12.3   0.0  0.26   0.9  13.0   7:30a  SSE  22.65  0.0  0.0 MClr? LoCd Lt-Brz Cd/XtmLtSp Cd FewBrk Cd/FewSp Cd/R
23  51.7  53.6   1:45p  49.4  12:00m  13.3   0.0  0.51   0.5  13.0   1:10a  SSE  12.91  0.0  0.0 Cd/R Cd Cd/Sp Cd Cd/SpToR Cd/VryLtToVryHvyR Brk Cd/R
24  49.7  52.5   1:15p  47.4   2:00a  15.3   0.0  0.04   0.2  10.0  11:35a  SSE   3.72  0.0  0.0 Cd/.01"Rn Cd-OccLoCd/OccTnyBrks Cd/OccVryLtRn-SpShrs
25  48.7  52.3  10:25a  46.0   7:10a  16.3   0.0  0.19   1.0  17.0  12:00m  SSE  23.14  0.0  0.0 Cd M/PCd PCd Cd-ClrAreas P/MCd Cd Ovcst-Cd Cd/SpToRn
26  48.0  50.1   9:55a  46.2   5:35p  17.0   0.0  0.52   0.7  14.0  12:00m  SSE  17.69  0.0  0.0 Cd/PeriodRn Cloudy Cd/VryLt-LtSpr-Rn-LtRn-VryLtRn
27  48.1  52.5   2:10a  45.4   5:25a  16.9   0.0  0.43   1.8  23.0  12:05a  SSE  42.21  0.0  0.0 Cd/Shrs Cd-OccVrySm-TnyBrks/Shrs:SpToR Cd/Shrs:SpToR
28  48.1  49.4   3:15p  46.7   7:15p  16.9   0.0  0.28   1.4  17.0   9:50a  SSE  32.17  0.0  0.0 Cd/OccSp Cd/VryLtShr Cd/VryLtR-Drz Cd/OccSp Cd/SpToR
29  45.6  46.8  12:05a  43.9  11:35p  19.4   0.0  0.35   0.7  10.0   4:45a  SSE  16.38  0.0  0.0 Cd/FewLtShrs Cd/LtSpToR-VryLtDrz-Lulls Cd/OccSp Cd/R
30  43.6  49.5  12:40p  40.2  11:40p  21.4   0.0  0.06   0.1   8.0  12:45a  WSW   1.88  0.0  0.0 Cd/Shr-FewSp DecrCd MClr/PCd Cd Cd/Shr VarCds-Thnnng
-----------------------------------------------------------------------------------------------------------------------------------------------------
    49.4  60.1     4    40.2    19   469.3   0.0 11.02   0.7  23.0    27    SSE 503.57  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:	49.4
AVERAGE High Temp:	53.0
MINIMUM High Temp:	46.8	29th
MAXIMUM High Temp:	60.1	4th
AVERAGE Low Temp:	46.1
MINIMUM Low Temp:	40.2	30th
MAXIMUM Low Temp:	49.9	3rd
		
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	6th, 8th, 10th, 11th, 13th, 15th, 16th, 18th, 19th
MINIMUM Humidity (%):	60	6th @ 1718
		
MAXIMUM Pressure (mb):	1029.8	15th @ 1514
MINIMUM Pressure (mb):	991.4	27th @ 0114
		
TOTAL   Htg Deg Days:	469.3
AVERAGE Htg Deg Days:	15.6
MINIMUM Htg Deg Days:	11.0	4th
MAXIMUM Htg Deg Days:	21.4	30th
TOTAL Cool Deg Days:	0.0
Heat Base:  65.0  Cool Base:  65.0  Method: Integration
		
TOTAL   Precip.:	11.02
AVERAGE Precip.:	0.41
DAYS of Precip.:	27	All but: 18th, 19th, 21st
MAXIMUM Precip.:	1.42	12th
MAXIMUM Rain Rate:	2.91	23rd @ 1615
Days of Rain: 27 (>.01 in) 22 (>.1 in) 1 (>1 in)
TOTAL Snowfall:		0.0
DAYS of Snowfall:	0
		
AVERAGE High Wind:	12.5
MINIMUM High Wind:	2	21st
MAXIMUM High Wind:	23	27th
WIND RUN (miles):	503.57
		
DAYS Sun at any time:	19	1st (briefly), 2nd, 4th, 5th, 6th, 10th, 11th (extremely weak), 16th, 17th, 18th, 19th (extremely weak), 20th, 21st,
				22nd (trying), 23rd, 24th (tried West Juneau), 25th (somewhat weakened), 27th (extremely weak Mt. Juneau), 30th
DAYS OF Cld or M Cld:	30	All days
DAYS OF Rainbow:	5	6th: 1552: Very Faint Partial to ENE.
				10th: 1713 - 1719 and 1745 - 1751: Partial Rainbow centered to the NE.
				17th: 1516 - 1522: Very very faint to NNE. 
				23rd: 1702-1727 to NE: Full then Double then Partial.
				30th: 1314 - 1335:  To the N.
DAYS OF Aurora:		0
DAYS OF Lightning:	1	10th at around 1845 in the Northern part of the Borough.
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 | TOP

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

September 2012 - Dewpoint & Humidity.

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

September 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 | DATA | STATISTICS | GRAPHS | TOP

SUNDAY 9/30/12: DATA | Rainbow to the N from 1314 - 1335 | 0637: A Dusting of Snow is visible at the very top of Mt. Juneau and of Mt. Roberts, and the top of the Mt. Juneau Ridge

Sat. 9/29/12: DATA

Fri. 9/28/12: DATA

Thur. 9/27/12: DATA

Wed. 9/26/12: DATA | Last Cruise Ship of the 2012 Season, Holland America Line's Oosterdam is in port today

Tue. 9/25/12: DATA

Mon. 9/24/12: DATA

SUNDAY 9/23/12: DATA | Rainbow to NE 1702 - 1727 (Partial only from 1721 - 1727). It was a Double Rainbow from 1712 - _____.

Sat. 9/22/12: DATA | First Day of Fall - Autumnal Equinox at 6:49 AM ADT | 0722: NWS: Dense Fog Advisory is Cancelled - See 0722 Below

Fri. 9/21/12: DATA | Prisoner of War/Missing in Action (POW/MIA) Recognition Day | 0945: NWS: Dense Fog Advisory will expire at 10 AM ADT this morning - See 0945 Below

Thur. 9/20/12: DATA

Wed. 9/19/12: DATA | 0930: NWS: Dense Fog Advisory is Cancelled - See 0930 Below | Bald Eagles have been squealing a lot this morning

Tue. 9/18/12: DATA | 0654: NWS: Dense Fog Advisory will expire at 7 AM ADT this morning - See 0654 Below

Mon. 9/17/12: DATA | 1024 - 1027: Thirteen Robins are across the street and then 18 - 20 Robins in total were in the immediate area.

SUNDAY 9/16/12: DATA

Sat. 9/15/12: DATA

Fri. 9/14/12: DATA | 1843: A Varied Thrush was in the backyard briefly | NWS: More Record Rainfall across the Panhandle on Thursday, Sept. 13 - See 0525 Below

Thur. 9/13/12: DATA | NWS: More Record Rainfall across the Panhandle for today, Thursday, Sept. 13 - See 0525 9/14 Above | 1824: An Anna's Hummingbird, last seen on 9/02, was looking for the Hummingbird Feeder which had been taken down on 9/11. Feeder was hung back out at 1826.

Wed. 9/12/12: DATA | Gastineau Channel is somewhat muddy

Tue. 9/11/12: DATA | 0650: Light Dusting of Snow is visible at the very top of the Mt. Juneau Ridge | NWS SE Alaska Observations link has been fixed in the drop-down menu and on the Links page

Mon. 9/10/12: DATA | There were reports of Lightning and Thunder in the northern parts of the Borough at around 1845 | 2035: NWS: Most of the storms have weakened or moved off to the east...... See 2035 Below | 1943: Isolated Thunderstorms this evening with Cells moving into Lena Point and Mendenhall Valley area - See 1943 Below & 1915 Below & 1852 Below | 1901: NWS Special Marine Warning for CROSS SOUND...NORTHERN STEPHENS PASSAGE...ICY STRAIT...GLACIER BAY...SOUTHERN LYNN CANAL...INCLUDING AUKE BAY...FUNTER BAY...EXCURSION INLET...ELFIN COVE...POINT GUSTAVUS AND POINT RETREAT... - See 1901 Below | 1839: NWS Special Marine Warning - See 1839 Below | 1713 - 1719 and 1745 - 1751: Partial Rainbow centered to the NE

SUNDAY 9/09/12: DATA | Gastineau Channel is muddy from the runoff of Gold Creek

Sat. 9/08/12: DATA

Fri. 9/07/12: DATA

Thur. 9/06/12: DATA

Wed. 9/05/12: DATA

Tue. 9/04/12: DATA

Mon. 9/03/12: DATA | Labor Day - Federal, State, and Local Holiday | NWS Summary of August 2012 Weather at the Juneau International Airport - See Below

SUNDAY 9/02/12: DATA | Anna's Hummingbird: 0839, 1240

Sat. 9/01/12: DATA | 1304: A male Anna's Hummingbird came to one of the Hummingbird Feeders; back at 1309, 1311, 1400, 1402