CXAK57 PAJK 011449 CLMAJK CLIMATE REPORT NATIONAL WEATHER SERVICE JUNEAU, AK 6 AM AKST MON FEB 1 2010 ................................... ...THE JUNEAU CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2010... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1943 TO 2010 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 57 01/06/1958 LOW -22 01/12/1972 HIGHEST 44 01/08 43 1 53 01/18 LOWEST 9 01/01 2 7 -9 01/07 AVG. MAXIMUM 34.3 30.6 3.7 30.6 AVG. MINIMUM 24.9 20.7 4.2 21.0 MEAN 29.6 25.7 3.9 25.8 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 7 14.8 -7.8 15 DAYS MIN <= 32 28 24.1 3.9 21 DAYS MIN <= 0 0 3.0 -3.0 3 PRECIPITATION (INCHES) RECORD MAXIMUM 10.13 1985 MINIMUM 0.94 1950 TOTALS 4.79 4.81 -0.02 9.28 DAILY AVG. 0.15 0.16 -0.01 0.30 DAYS >= .01 17 19.4 -2.4 24 DAYS >= .10 10 12.2 -2.2 20 DAYS >= .50 5 2.6 2.4 7 DAYS >= 1.00 0 0.7 -0.7 2 GREATEST 24 HR. TOTAL 0.94 01/15 TO 01/16 01/29 TO 01/29 SNOWFALL (INCHES) RECORDS TOTAL 75.2 2009 24 HR TOTAL 19.6 01/14/1966 TO 01/15/1966 SNOW DEPTH 38 01/20/1966 TOTALS 20.5 28.9 -8.4 75.2 SINCE 7/1 49.2 63.0 -13.8 116.4 SNOWDEPTH AVG. 2 7 -5 10 DAYS >= TRACE 11 16.0 -5.0 18 DAYS >= 1.0 5 7.5 -2.5 14 GREATEST SNOW DEPTH 13 01/13 33 01/11 24 HR TOTAL 8.2 01/10 TO 01/11 01/08 TO 01/08 DEGREE_DAYS HEATING TOTAL 1092 1219 -127 1210 SINCE 7/1 4692 4999 -307 5290 COOLING TOTAL 0 0 0 0 SINCE 1/1 0 0 0 0 FREEZE DATES RECORD EARLIEST 08/24/1969 LATEST 06/13/1965 EARLIEST 09/30 LATEST 05/12 ................................................................. WIND (MPH) AVERAGE WIND SPEED 3.7 RESULTANT WIND SPEED/DIRECTION 3/098 HIGHEST WIND SPEED/DIRECTION 33/110 DATE 01/16 HIGHEST GUST SPEED/DIRECTION 41/120 DATE 01/16 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM NUMBER OF DAYS FAIR 1 NUMBER OF DAYS PC 6 NUMBER OF DAYS CLOUDY 24 AVERAGE RH (PERCENT) 88 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 1 HEAVY RAIN 0 RAIN 4 LIGHT RAIN 17 FREEZING RAIN 0 LT FREEZING RAIN 1 HAIL 0 HEAVY SNOW 0 SNOW 8 LIGHT SNOW 10 SLEET 1 FOG 24 FOG W/VIS <= 1/4 MILE 9 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$ ...WARM JANUARY LACKING SNOW... JANUARY 2010 STARTED OUT CLEAR AND COLD WITH BELOW NORMAL TEMPERATURES...BUT WARMED ABOVE NORMAL BY THE END OF THE FIRST WEEK. THE WARMING TREND CONTINUED THROUGH MOST OF THE MONTH. THE AVERAGE MONTHLY TEMPERATURE WAS 29.6 DEGREES...WHICH IS 3.9 DEGREES ABOVE NORMAL. RECORD HIGH TEMPERATURE WAS 44 DEGREES ON THE 8TH...WHICH WAS TIED WITH THE RECORD FOR 1944. THE LOW TEMPERATURE FOR THE MONTH WAS 9 DEGREES ON THE 1ST. PRECIPITATION FELL IN A VARIETY RANGING FROM SNOW...RAIN... FREEZING RAIN...SLEET OR A COMBINATION OF TYPES. ON THE 6TH THERE WAS FREEZING RAIN EVENT THAT COATED THE MAJORITY OF JUNEAU WITH ICE FOR A FEW DAYS. A NEAR NORMAL TOTAL LIQUID PRECIPITATION OF 4.79 INCHES FELL...WHICH IS ABOUT 0.02 INCHES BELOW NORMAL. THE WARMER TEMPERATURES LIMITED THE MONTHLY SNOWFALL. A TOTAL SNOWFALL OF 20.5 INCHES WAS 8.4 INCHES BELOW NORMAL AND MAINLY OCCURRED OVER A FOUR DAY PERIOD FROM 10TH TO 13TH. MID MONTH RAIN STORM PRODUCED GUSTY SOUTHEAST WINDS WITH THE PEAK AT THE JUNEAU AIRPORT OF 41 MPH. STRONG OUTFLOW WINDS OCCURRED THE LAST WEEK OF THE MONTH WITH A PEAK WIND OF 56 MPH RECORDED AT THE SOUTH DOUGLAS PROFILER.