2012 ANNUAL CLIMATOLOGICAL SUMMARY

NAME: 3270 Nowell  CITY: West Juneau   STATE: Alaska  
ELEV:    97 ft  LAT:  58 17' 40" N  LONG: 134 25' 52" W

               TEMPERATURE (F), HEAT BASE 65.0, COOL BASE 65.0
                          DEP.  HEAT  COOL                                          
        MEAN  MEAN        FROM  DEG   DEG                        MAX  MAX  MIN  MIN 
 YR MO  MAX   MIN   MEAN  NORM  DAYS  DAYS  HI  DATE  LOW  DATE  >=90 <=32 <=32 <=0 
------------------------------------------------------------------------------------
 12  1  30.7  23.0  27.1   0.0  1173     0  42.1   7  -2.2   17    0   13   25    2
 12  2  39.8  30.2  34.8   0.0   876     0  49.6   9  17.0   26    0    0   18    0
 12  3  40.0  28.2  34.0   0.0   959     0  52.2  28  17.2    5    0    1   24    0
 12  4  52.2  33.4  42.1   0.0   686     0  61.0  12  24.7    1    0    0   11    0
 12  5  49.4  39.9  44.4   0.0   639     0  60.9  24  34.1   15    0    0    0    0
 12  6  58.9  46.4  52.1   0.0   400    13  87.0  23  40.8    3    0    0    0    0
 12  7  61.6  49.7  55.3   0.0   305     6  76.7  26  39.9   12    0    0    0    0
 12  8  60.7  49.4  54.4   0.0   331     2  70.6  15  41.2   30    0    0    0    0
 12  9  53.0  46.1  49.4   0.0   469     0  60.1   4  40.2   19    0    0    0    0
 12 10  43.8  35.4  39.4   0.0   793     0  57.3   6  19.5   28    0    1   10    0
 12 11  34.9  28.3  31.7   0.0  1000     0  45.4   4  18.9   27    0    9   19    0
 12 12  28.7  22.1  25.5   0.0  1226     0  38.9  31  11.1   26    0   19   25    0
------------------------------------------------------------------------------------
        46.1  36.0  40.9   0.0  8857    20  87.0 JUN  -2.2  JAN    0   43  132    2

LOWEST Wind Chill Temp: -12.3 Nov. 30th @ 0150 (based on 10 minute Average Wind Speed)


                                PRECIPITATION (in)

               DEP.   MAX        DAYS OF RAIN 
               FROM   OBS.          OVER
 YR MO  TOTAL  NORM   DAY  DATE .01   .1   1
---------------------------------------------
 12  1  7.75   1.73  0.95    7   24   18    0
 12  2  4.10  -0.95  0.56   20   19   14    0
 12  3  4.05  -1.14  0.82    8   13    9    0
 12  4  1.61  -2.51  0.55   29   13    5    0
 12  5  5.71   1.32  0.66   12   26   18    0
 12  6  6.15   2.60  0.71   26   24   15    0
 12  7  4.56  -0.57  0.92    9   16    9    0
 12  8  5.73  -0.99  1.00   28   16   14    0
 12  9 11.02  -0.63  1.42   12   27   22    1
 12 10  3.02  -9.26  0.95   13   12    7    0
 12 11  3.58  -4.79  0.64    5   14   11    0
 12 12  4.65  -3.65  0.68   10   17   12    0
---------------------------------------------
       61.93 -18.84  1.42  SEP  221  154    1

Highest Rain Rate: 2.91" per hour on Sept. 23rd @ 1615


				Snowfall (in)
	       DEP.   MAX
	       FROM   OBS.	 
 YR MO  TOTAL  NORM   DAY  DATE 
---------------------------------------------
 12  1  70.4+?  --    8.4   29      
 12  2   6.9    --    2.0   26
 12  3  30.4    --   10.6    6 
 12  4  TRCE?   --   TRCE?   3  
 12  5  TRCE*   --   TRCE*  15      
 12  6   0.0    --    --    --
 12  7   0.0    --    --    --
 12  8   0.0    --    --    --
 12  9   0.0    --    --    --     
 12 10   3.3    --    3.0   30    
 12 11  10.8    --    3.5   25
 12 12  29.0    --    6.0   28
---------------------------------------------
       150.8+?       10.6  MAR

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.
*Snow melted as it fell.


                                WIND SPEED (mph)

                          DOM	WIND
 YR MO   AVG.  HI   DATE  DIR	RUN (mi)
----------------------------------------
 12  1   1.4  41.0   20   SSE   1010.89+*
 12  2   1.3  40.0    9   SSE	 902.64
 12  3   1.1  26.0   15   SSE	 783.34
 12  4   0.8  31.0    2     W	 578.11
 12  5   0.7  22.0    8   SSE	 529.87
 12  6   0.6  18.0   21   SSE	 441.41
 12  7   0.4  18.0   14   SSE	 330.51
 12  8   0.4  18.0   26   SSE	 316.02
 12  9   0.7  23.0   27   SSE	 503.57
 12 10   1.4  37.0   21   SSE	1062.83
 12 11   1.7  41.0   22   SSE	1190.70
 12 12   1.2  28.0   19   SSE**	 887.66+**
----------------------------------------
         1.0  41.0  JAN   SSE	8537.55+

Small Wind Cups in use in 2012

* From 1/24 @ 2120 hrs. to 1348 hrs. on 1/25, the Anemometer was impeded.
** 12/28: Wind Direction Vane and Anemometer Frozen much of the time - though there was little wind anyway.
   12/29: Wind Direction Vane and Anemometer Frozen until about 0810 hrs.


2012 - Barometric Pressure & Temperature.

2012 - Dewpoint.

2012 - Humidity.

2012 - Rainfall & High Rain Rate

2012 - High Wind, Wind Run, & 10 min. Avg. Wind Speed.