CXAK57 PAJK 011356 CLMAJK CLIMATE REPORT NATIONAL WEATHER SERVICE JUNEAU, AK 6 AM AKST SUN NOV 1 2009 ................................... ...THE JUNEAU CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2009... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1943 TO 2009 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 61 10/03/2003 10/01/1987 10/10/1944 LOW 11 10/30/1984 HIGHEST 55 10/06 55 0 57 10/02 LOWEST 28 10/30 25 3 25 10/30 AVG. MAXIMUM 47.4 46.9 0.5 45.6 AVG. MINIMUM 37.8 37.7 0.1 36.8 MEAN 42.6 42.3 0.3 41.2 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.3 -0.3 0 DAYS MIN <= 32 8 16.7 -8.7 8 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 15.25 1974 MINIMUM 2.71 1950 TOTALS 5.65 8.30 -2.65 15.05 DAILY AVG. 0.18 0.27 -0.09 0.49 DAYS >= .01 20 23.9 -3.9 30 DAYS >= .10 14 17.6 -3.6 25 DAYS >= .50 2 5.9 -3.9 13 DAYS >= 1.00 1 1.4 -0.4 6 GREATEST 24 HR. TOTAL 1.52 10/04 TO 10/05 10/11 TO 10/12 10/12 TO 10/12[J) 10/12 TO 10/12[J) SNOWFALL (INCHES) RECORDS TOTAL 15.6 1956 24 HR TOTAL 8.8 10/30/1956 TO 10/31/1956 SNOW DEPTH 7 10/31/1956 TOTALS 0.2 1.1 -0.9 4.6 SINCE 7/1 0.2 1.1 -0.9 4.6 SNOWDEPTH AVG. 0 0 0 0 DAYS >= TRACE 3 2.1 0.9 5 DAYS >= 1.0 0 0.3 -0.3 3 GREATEST SNOW DEPTH 0 MM 2 10/26 10/25 24 HR TOTAL 0.2 10/31 TO 10/31 10/12 TO 10/12 10/12 TO 10/12[J) 10/12 TO 10/12[J) DEGREE_DAYS HEATING TOTAL 685 704 -19 728 SINCE 7/1 1567 1702 -135 1880 COOLING TOTAL 0 0 0 0 SINCE 1/1 6 3 3 0 FREEZE DATES RECORD EARLIEST 08/24/1969 LATEST 06/13/1965 EARLIEST 09/30 LATEST 05/12 ................................................................. WIND (MPH) AVERAGE WIND SPEED 5.9 RESULTANT WIND SPEED/DIRECTION 5/098 HIGHEST WIND SPEED/DIRECTION 33/100 DATE 10/25 HIGHEST GUST SPEED/DIRECTION 44/110 DATE 10/25 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM NUMBER OF DAYS FAIR 3 NUMBER OF DAYS PC 2 NUMBER OF DAYS CLOUDY 26 AVERAGE RH (PERCENT) 82 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 8 LIGHT RAIN 24 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 1 LIGHT SNOW 3 SLEET 1 FOG 24 FOG W/VIS <= 1/4 MILE 4 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. ...NEAR NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION IN OCTOBER... OCTOBER 2009 ENDED WITH AN AVERAGE TEMPERATURE OF 42.6 DEGREES...WHICH IS JUST 0.3 DEGREES ABOVE NORMAL. THE AVERAGE HIGH TEMPERATURE WAS 47.4 AND THE AVERAGE LOW TEMPERATURE WAS 37.8. THE HIGHEST TEMPERATURE OF 55 DEGREES OCCURRED ON THE 6TH AND THE LOWEST TEMPERATURE OF 28 OCCURRED ON THE 30TH. TOTAL PRECIPITATION FOR THE MONTH WAS 5.65 INCHES...WHICH IS 2.65 INCHES BELOW NORMAL. THE HIGHEST DAILY RAINFALL AMOUNT OF 1.44 INCHES WAS RECORDED ON THE 5TH. THE FIRST SNOWFALL OF THE SEASON OCCURRED ON THE 29TH WITH A TRACE AMOUNT...FOLLOWED BY ANOTHER TRACE ON THE 30TH AND TWO TENTHS OF AN INCH ON THE 31ST. THE PEAK WIND SPEED AT THE JUNEAU AIRPORT WAS 44 MPH FROM THE SOUTHEAST ON THE 25TH. A PEAK WIND SPEED OF 72 MPH WAS RECORDED AT SOUTH DOUGLAS IN ASSOCIATION WITH A TAKU WIND EVENT AT MIDNIGHT ON OCTOBER 14TH. $$