May, 1998 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 75 45 60 15 5 8040-1183 0 0 0 0 0 0.08 0.0 80.1 10.0 M M 2 62 42 52 6 13 8053-1189 0 0 0 0 0 0.16 0.0 80.1 10.4 M M 3 62 38 50 4 15 8068-1193 0 0 0 0 0 0.24 0.0 80.1 10.1 M M 4 68 40 54 8 11 8079-1201 0 0 0 0.15 0.15 0.32 0.0 80.1 10.1 M M 5 66 38 52 5 13 8092-1206 M M M 0 0.15 0.41 M 80.1 9.8 M M 6 74 43 59 12 6 8098-1218 M M M 0 0.15 0.50 M 80.1 9.5 M M 7 60 46 53 5 12 8110-1223 M M M 0 0.15 0.59 M 80.1 19.7 M M 8 52 42 47 -1 18 8128-1222 0 0 0 0 0.15 0.68 M 80.1 18.5 M M 9 59 39 49 1 16 8144-1223 0 0 0 0 0.15 0.77 M 80.1 13.0 M M 10 65 37 M M M M M M M M 0 M M M M M M M 11 65 43 54 5 11 8169-1230 0 0 0 0 0.15 0.95 M 80.1 8.1 M M 12 64 48 56 6 9 8178-1237 0 0 0 0.17 0.32 1.04 0.0 80.1 9.5 M M 13 72 43 58 8 7 8185-1245 0 0 0 0 0.32 1.13 0.0 80.1 9.0 M M 14 77 55 66 16 0 8185-1260 1 1 1 0 0.32 1.22 0.0 80.1 14.4 M M 15 77 56 67 16 0 8185-1275 2 3 3 0.30 0.62 1.32 0.0 80.1 12.0 M M 16 69 54 62 11 3 8188-1286 0 3 3 0.02 0.64 1.42 0.0 80.1 20.9 M M 17 74 48 61 10 4 8192-1296 0 3 3 T 0.64 1.52 0.0 80.1 9.4 M M 18 85 51 68 16 0 8192-1310 3 6 6 0.02 0.66 1.62 0.0 80.1 9.8 M M 19 79 52 66 14 0 8192-1323 1 7 7 0.00 0.66 1.72 0.0 80.1 13.1 M M 20 73 45 59 7 6 8198-1330 0 7 7 0 0.66 1.82 M M 8.9 M M 21 60 39 50 -3 15 8213-1327 0 7 7 0 0.66 1.92 M M 10.2 M M 22 61 37 49 -4 16 8229-1323 0 7 7 0 0.66 2.02 M M 11.9 M M 23 67 42 55 2 10 8239-1325 0 7 7 0 0.66 2.13 M M 11.6 M M 24 75 39 57 2 8 8575-1688 0 18 7 0 4.37 1.76 0.0 0.0 3.3 M M 25 77 45 61 7 4 8253-1334 0 7 7 T 0.66 M M M 8.7 M M 26 60 42 51 -3 14 8267-1331 0 7 7 0 0.66 2.46 M M 9.7 M M 27 78 42 60 6 5 8272-1337 0 7 7 0 0.66 2.57 M M 10.6 M M 28 79 55 67 12 0 8272-1347 2 9 9 0.46 1.12 2.68 M M 14.7 M M 29 61 41 51 -4 14 8286-1343 0 9 9 0 1.12 2.79 M M 10.0 M M 30 49 39 44 -11 21 8307-1332 0 9 9 0.78 1.90 2.91 M M 7.9 M M 31 56 40 48 -8 17 8324-1324 0 9 9 0 1.90 3.03 M M 11.2 M M MONTHLY CLIMATIC SUMMARY FOR DULUTH MN MAY 1998 ...TEMPERATURE DATA... ...PRECIPITATION DATA... AVERAGE MONTHLY: 55.9 TOTAL FOR MONTH: 1.90 DEPARTURE FROM NORMAL: 5.1 DEPARTURE FROM NORMAL: -1.13 HIGHEST: 85 ON 18 GREATEST IN A DAY: 0.78 ON 30 LOWEST: 37 ON 10 22 SNOWFALL, ICE PELLETS, HAIL MAX 32 OR BELOW: 0 TOTAL FOR MONTH: 0.0 INCHES MAX 90 OR ABOVE: 0 GREATEST SNOWFALL IN A DAY: 0.0 ON MIN 32 OR BELOW: 0 GREATEST SNOW DEPTH: 0 ON MIN 0 OR BELOW: 0 ...WEATHER, DAYS WITH... ...HEATING DEGREE DAYS... 0.01 INCH OR MORE PRECIP: 7 TOTAL THIS MONTH: 289 0.10 INCH OR MORE PRECIP: 5 DEPARTURE FROM NORMAL: -156 0.50 INCH OR MORE PRECIP: 1 SEASONAL TOTAL: 8324 1.00 INCH OR MORE PRECIP: 0 DEPARTURE FROM NORMAL: -1324 CLEAR (SCALE 0-3) M PARTLY CLOUDY (SCALE 4-7) M ...COOLING DEGREE DAYS... CLOUDY (SCALE 8-10) M TOTAL THIS MONTH: 9 DEPARTURE FROM NORMAL: 9 ...PRESSURE DATA... SEASONAL TOTAL: 9 DEPARTURE FROM NORMAL: 9 HIGHEST SEA-LEVEL 30.18 ON 21 LOWEST SEA-LEVEL 29.37 ON 16 SNOW DEPTH IN COLUMN 9 IS RECORDED AT 6 AM CST (12Z). ...REMARKS... AVERAGE TEMPERATURE OF 55.9 DEGREES FOR MAY 1998 WAS THE 3RD WARMEST MAY ON RECORD...WARMEST WAS 57.4 DEGRESS IN 1977. RECORDS BEGAN IN 1870. HIGH OF 85 DEGREES ON THE 18TH TIED RECORD HIGH PREVIOUSLY SET IN 1978.