Climatological Report (Annual)
Issued by NWS Juneau, AK
Issued by NWS Juneau, AK
000 CXAK57 PAJK 150705 CLAAJK CLIMATE REPORT NATIONAL WEATHER SERVICE JUNEAU AK 931 PM AKST SAT JAN 14 2023 ................................... ...THE JUNEAU CLIMATE SUMMARY FOR THE YEAR OF 2022... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1936 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 90 07/07/1975 LOW -22 01/12/1972 02/02/1968 HIGHEST 85 06/28 78 7 83 06/28 LOWEST -8 01/06 2 -10 -5 02/10 AVG. MAXIMUM 49.1 48.3 0.8 AVG. MINIMUM 36.9 35.9 1.0 MEAN 43.0 42.1 0.9 41.7 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 36 39.0 -3.0 47 DAYS MIN <= 32 113 127.7 -14.7 134 DAYS MIN <= 0 2 1.9 0.1 2 PRECIPITATION (INCHES) RECORD MAXIMUM 88.31 2022 MINIMUM 28.32 2001 TOTALS 88.31R 66.99 21.32 76.53 DAILY AVG. 0.24 0.18 0.06 DAYS >= .01 207 230.2 -23.2 254 DAYS >= .10 152 149.1 2.9 174 DAYS >= .50 54 43.8 10.2 49 DAYS >= 1.00 14 11.4 2.6 10 GREATEST 24 HR. TOTAL 3.93 STORM TOTAL 3.48 (MM/DD(HH)) SNOWFALL (INCHES) RECORDS TOTAL 212.1 1994 24 HR TOTAL 19.1 11/29/2006 SNOW DEPTH 40 03/10/1972 TOTALS 65.1 87.6 -22.5 137.0 DAYS >= TRACE 71 44.2 26.8 102 DAYS >= 1.0 17 23.1 -6.1 45 GREATEST SNOW DEPTH 26 01/10 24 HR TOTAL 9.1 01/09 DEGREE DAYS HEATING TOTAL 7923 8335 -412 8395 SINCE 7/1 3591 3696 -105 COOLING TOTAL 16 3 13 6 SINCE 1/1 16 2 14 FREEZE DATES EARLIEST 10/23 LATEST 05/09 ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.1 HIGHEST WIND SPEED/DIRECTION 41/120 DATE 03/22 HIGHEST GUST SPEED/DIRECTION 57/150 DATE 04/18 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 MIXED PRECIP 4 HEAVY RAIN 18 RAIN 92 LIGHT RAIN 251 FREEZING RAIN 1 LT FREEZING RAIN 9 HAIL 4 HEAVY SNOW 1 SNOW 12 LIGHT SNOW 66 SLEET 16 FOG 217 FOG W/VIS <= 1/4 MILE 44 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$ ...ABOVE NORMAL PRECIPITATION AND TEMPERATURES ACROSS SOUTHEAST ALASKA FOR 2022... THE OVER-ARCHING THEME FOR THE YEAR 2022 WAS THE PRECIPITATION...ABOVE NORMAL FOR ALL OF SOUTHEAST ALASKA AND A RECORD WET YEAR FOR JUNEAU. WHILE JUNEAU AIRPORT DID SEE A RECORD WET YEAR WITH 88.31 INCHES OF RAIN AND MELTED SNOW, OR 31.83% MORE THAN NORMAL. THIS, HOWEVER, PALES IN COMPARISON TO LITTLE PORT WALTER, KNOWN TO BE THE WETTEST LOCATION IN SOUTHEAST ALASKA, WITH 253.54 INCHES FOR THE YEAR. STILL, THAT DOES NOT COME CLOSE TO THE RECORD YEAR OF 1987 WHEN LITTLE PORT WALTER SAW OVER 292 INCHES OF PRECIPITATION. A QUICK CHECK OF DATA IN XMACIS REVEALS THAT NO LESS THAN 9 LOCATIONS AROUND SOUTHEAST ALASKA WITH CLIMATE DATA FOR 17 YEAR OR MORE SAW A RECORD WET YEAR IN 2022. ANNUAL SNOWFALL WAS LACKLUSTER, HOWEVER. OF THE SITES WE STILL HAVE SNOW DATA FOR, ONLY GUSTAVUS AND LENA POINT FINISHED THE PREVIOUS SNOW SEASON (2021-2022) ABOVE NORMAL AT THE BEGINNING OF APRIL. OTHER SITES WRAPPED UP THE 2021-2022 SNOW SEASON AT OR BELOW NORMAL WITH CRAIG VERY CLOSE TO A RECORD LOW SNOW SEASON. THE PRESENT SNOW SEASON OF 2022-2023 GOT OFF TO A SLOW START AND ALL SITES FINISHED THE YEAR BELOW NORMAL. WINNERS FOR 2022 INCLUDED HYDER AND ANNEX CREEK, EACH WITH MORE THAN 205 INCHES OF SNOW. AS MIGHT BE INFERRED FROM THE SNOW DATA, 2023 WAS UNIFORMLY ABOVE NORMAL WITH REGARD TO TEMPERATURES. THE ANNUAL AVERAGE TEMPERATURE AT THE 4 CLIMATE SITES RANGED FROM 0.2 DEGREES WARMER IN KETCHIKAN TO 1.4 DEGREES WARMER IN SITKA. IN SPITE OF THE WARMER THAN NORMAL YEAR, ONLY HOONAH REACHED 90 DEGREES OR MORE, WITH A DAYTIME HIGH OF 93 BEING RECORDED ON THE 4TH OF JULY AT THE HOONAH AIRPORT. MANY SITES SAW 80 TO 89 DEGREES AS THEIR WARMEST TEMPERATURES OF THE YEAR WITH ABOUT HALF AS MANY NOT GETTING PAST 79 DEGREES. FOR SITES NEAR SEA LEVEL, THE COLDEST TEMPERATURE RECORDED WAS AT THE JUNEAU FORECAST OFFICE WHEN THE OVERNIGHT LOW GOT DOWN TO -18 DEGREES ON THE NIGHT OF JANUARY 6TH. IN TERMS OF THE HIGHEST MEAN TEMPERATURE (THE AVERAGE OF THE DAILY HIGHS AND OVERNIGHT LOWS), SITKA AND ELFIN COVE BOTH TURNED IN VALUES RIGHT AROUND 47 DEGREES. YAKUTAT, GUSTAVUS, AND THE JUNEAU FORECAST OFFICE TURNED IN SUBSTANTIALLY COOLER NUMBERS, RANGING FROM BETWEEN 40.0 AND 40.9 DEGREES. AT THE 4 PRIMARY CLIMATE SITES, RECORD WARM DAYS WERE RECORDED IN JUNE, JULY, AND OCTOBER. IN SPITE OF THE WARMER-THAN-NORMAL YEAR, RECORD COLD NIGHTS WERE ALSO RECORDED - IN EARLY JANUARY, MID APRIL, AND MID DECEMBER. FRITSCH $$