January, 1999 Preliminary Local Climatological Data Duluth, MN National Weather Service |-Temperature-|--------Degree Days---------|-Precipitation-|-Snowfall-|----Wind----| (degrees F) (base 65 degrees F) (inches) (inches) (mph, deg) Heating Cooling Max Min Avg Dep HDD Seas Dep CDD Seas Dep Tot Tot Norm Tot Tot Avg Pk Dir from for for for for for Spd Gust at Norm Seas Seas Mon Mon Seas Pk Date | | | | | | | | | | | | | | | | | | 1 7 -23 -8 -16 73 3353 -582 0 0 0 T T 0.04 T 28.5 9.2 M M 2 17 5 11 3 54 3407 -585 0 0 0 0.11 0.11 0.08 3.6 32.1 13.3 M M 3 5 -4 1 -6 64 3471 -579 0 0 0 0.03 0.14 0.12 0.6 32.7 18.1 M M 4 -1 -15 -8 -15 73 3544 -564 0 0 0 0 0.14 0.16 0.0 32.7 10.3 M M 5 1 -14 -7 -14 72 3616 -550 M M M T 0.14 0.20 0.5 33.2 9.7 M M 6 2 -14 -6 -13 71 3687 -537 M M M T 0.14 0.24 T 33.2 14.9 M M 7 3 -17 -7 -14 72 3758 -524 M M M 0 0.14 0.28 0.0 33.2 10.8 M M 8 6 -10 -2 -9 67 3825 -515 0 0 0 0 0.14 0.32 0.0 33.2 8.4 M M 9 -1 -19 -10 -17 75 3900 -498 0 0 0 0.01 0.15 0.36 0.3 33.5 9.3 M M 10 -6 -17 -11 -18 76 3976 -480 0 0 0 T 0.15 0.40 T 33.5 13.3 M M 11 -2 -17 -9 -16 74 4050 -464 0 0 0 0.09 0.24 0.44 2.3 35.8 5.2 M M 12 -4 -18 -11 -17 76 4126 -447 M M M T 0.24 0.48 0.2 36.0 8.0 M M 13 5 -21 -8 -14 73 4199 -433 M M M M M M 0.1 36.1 10.5 M M 14 12 3 8 2 57 4256 -435 M M M 0.01 0.25 0.56 0.3 36.4 9.5 M M 15 24 3 14 8 51 4307 -443 0 0 0 0.01 0.26 0.60 0.1 36.5 12.4 M M 16 39 24 32 26 33 4340 -469 0 0 0 0.11 0.37 0.64 1.1 37.6 17.9 M M 17 35 22 29 23 36 4376 -492 0 0 0 0.02 0.39 0.68 0.4 38.0 11.9 M M 18 32 9 21 14 44 4420 -506 0 0 0 0.05 0.44 0.72 1.3 39.3 16.4 M M 19 17 1 9 2 56 4476 -508 0 0 0 T 0.44 0.76 T 39.3 6.6 M M 20 24 8 16 9 49 4525 -517 0 0 0 T 0.44 0.80 0.1 39.4 7.4 M M 21 26 23 25 40 4565 T 0.44 T 39.4 22 29 26 28 21 37 4602 -556 M M M 0.04 0.48 0.88 0.8 40.2 12.2 M M 23 31 21 26 19 39 4641 -575 M M M T 0.48 0.92 0.1 40.3 9.1 M M 24 21 16 19 12 46 4687 -587 0 0 0 T 0.48 0.96 0.1 40.4 6.3 M M 25 19 3 11 4 54 4741 -591 M M M T 0.48 1.00 0.1 40.5 11.2 M M 26 25 3 14 7 51 4792 -598 0 0 0 T 0.48 1.04 0.1 40.6 10.0 M M 27 28 18 23 16 42 4834 -614 0 0 0 0.35 0.83 1.08 6.0 46.6 16.8 M M 28 25 13 19 11 46 4880 -625 0 0 0 0.04 0.87 1.12 0.8I 47.4 6.1 M M 29 33 12 23 15 42 4922 -640 M M M 0 0.87 1.16 0.0 47.4 11.8 M M 30 33 14 24 16 41 4963 -656 M M M 0 0.87 1.19 0.0 47.4 5.5 M M 31 35 17 26 18 39 5002 -674 M M M 0 0.87 1.22 0.0 47.4 7.9 M M Monthly Summary for January ...TEMPERATURE DATA... ...PRECIPITATION DATA... AVERAGE MONTHLY: 9.3 TOTAL FOR MONTH: 0.87 DEPARTURE FROM NORMAL: 2.3 DEPARTURE FROM NORMAL: -0.35 HIGHEST: 39 ON 16 GREATEST IN A DAY: 0.35 ON 27 LOWEST: -23 ON 1 AVG HIGH: 16.8 AVG LOW: 1.7 SNOWFALL, ICE PELLETS, HAIL MAX 32 OR BELOW: 26 TOTAL FOR MONTH: 18.9 INCHES MAX 90 OR ABOVE: 0 GREATEST SNOWFALL IN A DAY: 6.0 ON 27 MIN 32 OR BELOW: 31 GREATEST SNOW DEPTH: 14 ON 31 MIN 0 OR BELOW: 12 ...WEATHER, DAYS WITH... ...HEATING DEGREE DAYS... 0.01 INCH OR MORE PRECIP: 12 TOTAL THIS MONTH: 1722 0.10 INCH OR MORE PRECIP: 3 DEPARTURE FROM NORMAL: -76 0.50 INCH OR MORE PRECIP: 0 SEASONAL TOTAL: 5002 1.00 INCH OR MORE PRECIP: 0 DEPARTURE FROM NORMAL: -674 ...PRESSURE DATA... HIGHEST SEA-LEVEL 30.59 ON 30TH LOWEST SEA-LEVEL 29.40 ON 16TH ...WIND DATA IN MPH... AVG WIND SPEED.......... 10.9 PEAK WIND GUST.......... 39 MPH FROM THE EAST ON THE 27TH POSSIBLE SUNSHINE FOR THE MONTH WAS 40 PERCENT. ...REMARKS... SNOW DEPTH IS RECORDED AT 6 AM CST (12Z). GREATEST SNOW DEPTH WAS LAST OF SEVERAL OCCURRENCES. NO NEW TEMPERATURE OR PRECIPITATION RECORDS WERE SET OR TIED DURING THE MONTH.