September, 1999 Preliminary Local Climatological Data Fargo, ND 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 74 57 66 2 0 31 -40 1 482 -38 2.32 2.32 0.07 0 T 12.1 40 240 2 61 56 59 -4 6 37 -38 0 482 -40 1.18 3.50 0.14 M M 13.2 33 30 3 60 55 58 -5 7 44 -35 0 482 -42 0.98 4.48 0.21 M M 11.2 18 10 4 62 56 59 -3 6 50 -34 0 482 -44 1.06 5.54 0.28 M M 11.3 21 30 5 65 48 57 -5 8 58 -31 0 482 -46 0 5.54 0.35 M M 10.1 22 280 6 76 48 62 0 3 61 -33 0 482 -48 0 5.54 0.42 M M 13.8 30 170 7 75 59 67 6 0 61 -38 2 484 -47 T 5.54 0.49 M M 10.9 28 160 8 63 50 57 -4 8 69 -35 0 484 -48 T 5.54 0.56 M M 16.8 34 290 9 62 45 54 -6 11 80 -30 0 484 -49 T 5.54 0.63 M M 13.8 32 290 10 66 45 56 -4 9 89 -27 0 484 -50 T 5.54 0.70 M M 8.9 23 320 11 56 43 50 -9 15 104 -19 0 484 -51 0.52 6.06 0.77 M M 5.7 18 90 12 60 47 54 -5 11 115 -15 0 484 -52 0.01 6.07 0.84 0.0 T 9.7 28 310 13 60 45 53 -6 12 127 -10 0 484 -53 0.01 6.08 0.91 0.0 T 14.5 29 290 14 62 44 53 -5 12 139 -5 0 484 -53 T 6.08 0.98 0.0 T 10.1 21 320 15 65 39 52 -6 13 152 1 0 484 -53 0 6.08 1.05 0.0 T 3.1 15 240 16 72 46 59 2 6 158 -1 0 484 -53 0 6.08 1.12 0.0 T 12.2 29 170 17 77 54 66 9 0 158 -9 1 485 -52 0 6.08 1.19 0.0 T 15.6 32 210 18 70 53 62 6 3 161 -15 0 485 -52 T 6.08 1.26 0.0 T 10.6 24 350 19 57 36 47 -9 18 179 -6 0 485 -52 0 6.08 1.33 0.0 T 12.9 29 350 20 57 34 46 -10 19 198 4 0 485 -52 0 6.08 1.39 0.0 T 5.5 16 310 21 75 38 57 2 8 206 2 0 485 -52 0 6.08 1.45 0.0 T 10.6 22 210 22 82 46 64 9 1 207 -7 0 485 -52 0 6.08 1.51 0.0 T 9.8 22 220 23 68 43 56 1 9 216 -8 0 485 -52 0 6.08 1.57 0.0 T 8.2 18 10 24 75 43 59 5 6 222 -13 0 485 -52 0 6.08 1.63 0 T 12.8 30 160 25 68 50 59 5 6 228 -18 0 485 -52 0.30 6.38 1.69 0 T 9.4 22 60 26 54 41 48 -6 17 245 -12 0 485 -52 0.12 6.50 1.75 M M 10.2 26 290 28 59 34 47 -6 18 279 -2 0 485 -52 0 6.50 1.87 M M 8.7 26 310 29 62 32 47 -6 18 297 4 0 485 -52 T 6.50 1.93 M M 10.5 32 170 30 54 36 45 -7 20 317 11 0 485 -52 T 6.50 1.99 M M 18.5 36 290 Monthly Summary for September TEMPERATURE DATA...... (DEGREES F) AVERAGE MONTHLY TEMPERATURE.... 55.3 OR 2.4 DEGREES BELOW NORMAL AVERAGE MAXIMUM TEMPERATURE.... 65.3 AVERAGE MINIMUM TEMPERATURE.... 45.3 HIGHEST TEMPERATURE WAS 82 ON DAY 22 LOWEST TEMPERATURE WAS 32 ON DAY 29 HEATING DEGREE DAYS (BASE 65) COOLING DEGREE DAYS MONTHLY TOTAL ........... 286 MONTHLY TOTAL .......... 4 DEPARTURE FROM NORMAL.... 47 DEPARTURE FROM NORMAL... -16 SEASONAL TOTAL (JUL-JUN). 317 SEASONAL TOTAL (JAN-DEC) 485 DEPARTURE FROM NORMAL.... 11 DEPARTURE FROM NORMAL... -52 PRECIPITATION DATA.... ..RAIN.. TOTAL FOR THE MONTH......... 6.50 OR 4.51 INCHES ABOVE NORMAL TOTAL SINCE JANUARY 1ST..... 23.84 OR 7.45 INCHES ABOVE NORMAL ..SNOW.. TOTAL FOR THE MONTH......... 0.0 TOTAL FOR THE SEASON........ 0.0 ..NUMBER OF DAYS.. WITH .01 INCHES OR MORE 9 HIGHS 32 DEGREES OR COLDER 0 WITH .10 INCHES OR MORE 7 HIGHS 90 DEGREES OR WARMER 0 WITH .50 INCHES OR MORE 5 LOWS 32 DEGREES OR COLDER 1 WITH 1.00 INCHES OR MORE 3 LOWS 0 DEGREES OR COLDER 0 WIND DATA............. THE AVERAGE MONTHLY WIND SPEED WAS 10.9 MPH THE FASTEST TWO-MINUTE WIND WAS... 34 MPH FROM 240 DEGREES THE HIGHEST PEAK WIND GUST WAS.... 40 FROM 240 DEGREES REMARKS... SEPTEMBER 1999 WILL GO DOWN IN HISTORY FOR SETTING A NEW RECORD FOR MONTHLY PRECIPITATION. THE 6.50 INCHES THAT FELL DURING THE MONTH TOOK OVER FIRST PLACE FOR BEING THE WETTEST SEPTEMBER SINCE RECORDS HAVE BEEN KEPT. THE PREVIOUS RECORD FOR THE MOST PRECIPITATION IN SEPTEMBER WAS 110 YEARS AGO...BACK IN 1889...WHEN 6.27 INCHES OF PRECIPITATION WERE RECORDED. NO RECORD HIGH OR LOW TEMPERATURES WERE SET DURING THE MONTH. GRAND FORKS MONTHLY CLIMATOLOGICAL SUMMARY NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 650 AM CDT FRI OCT 1 1999 ........GRAND FORKS SEP CLIMATOLOGICAL SUMMARY...... ....DATA TAKEN AT THE AIRPORT... .........TEMPERATURE DATA.......... HIGHEST FOR THE MONTH.. 84 ON DAY 22 LOWEST FOR THE MONTH.. 29 ON DAY 20 MONTHLY MEAN TEMP...... 53.5 DEPARTURE FROM NORMAL...-4.4 DEGREES ..........DEGREE DAY DATA............... HEATING MONTH....... 337 DEPARTURE... 310 SEASON...... 408 DEPARTURE... -182 COOLING MONTH....... 2 DEPARTURE... -12 SEASON...... 307 DEPARTURE... -256 ...........PRECIPITATION...... TOTAL FOR THE MONTH......... 2.55 NORMAL MONTH TO DATE........ 2.24 TOTAL FOR THE YEAR.......... 21.27 NORMAL YEAR TO DATE......... 16.53 CORRECTED THE GRAND FORKS DEPARTURE FROM NORMAL