January, 1997 Preliminary Local Climatological Data Rochester, 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 32 24 28 16 37 3605 334 0 0 0 0.01 0.01 0.03 0.1 36.8 12.2 28 180 2 37 32 35 23 30 3635 311 0 0 0 0 0.01 0.06 0 36.8 10.3 18 340 3 36 32 34 22 31 3666 289 0 0 0 0.02 0.03 0.09 0 36.8 9.9 30 70 5 28 1 15 3 50 3750 267 0 0 0 0.08 0.81 0.15 1.6 38.4 24.1 37 340 6 8 -3 3 -8 62 3812 275 0 0 0 T 0.81 0.18 T 38.4 16.5 25 340 7 20 -9 6 -5 59 3871 280 0 0 0 0 0.81 0.21 0 38.4 10.8 23 180 8 28 20 24 13 41 3912 267 0 0 0 0 0.81 0.24 0 38.4 18.2 31 180 9 24 12 18 7 47 3959 260 0 0 0 0.13 0.94 0.27 1.9 40.3 10.5 23 290 10 12 -8 2 -9 63 4022 269 0 0 0 0.06 1.00 0.30 1.0 41.3 23.2 33 310 11 -6 -13 -10 -21 75 4097 290 0 0 0 0 1.00 0.33 0.0 41.3 21.1 30 310 12 -3 -14 -9 -20 74 4171 310 0 0 0 0.01 1.01 0.36 0.2 41.5 14.5 23 310 13 3 -4 -1 -12 66 4237 322 0 0 0 0.01 1.02 0.39 0.1 41.6 10.6 17 310 14 14 -8 3 -8 62 4299 330 0 0 0 0.02 1.04 0.42 0.4 42.0 10.2 25 180 15 19 2 11 0 54 4353 330 0 0 0 0.03 1.07 0.45 0.7 42.7 19.0 41 310 16 3 -10 -4 -15 69 4422 345 0 0 0 0 1.07 0.48 0 42.7 24.8 41 320 17 -2 -14 -8 -19 73 4495 364 0 0 0 0 1.07 0.50 0 42.7 18.9 36 310 18 11 -9 1 -10 64 4559 374 0 0 0 0.01 1.08 0.52 0.3 43.0 12.7 24 210 19 29 11 20 9 45 4604 365 0 0 0 0.02 1.10 0.54 0.2 43.2 14.4 29 330 20 32 19 26 15 39 4643 350 0 0 0 0 1.10 0.56 0 43.2 9.0 24 130 21 38 26 32 21 33 4676 329 0 0 0 0.06 1.16 0.58 0 43.2 19.2 34 150 22 34 10 22 11 43 4719 318 0 0 0 0.02 1.18 0.60 0.6 43.8 21.7 38 280 23 22 6 14 3 51 4770 315 0 0 0 0.04 1.22 0.62 0.6 44.4 15.2 36 160 24 22 1 12 0 53 4823 315 0 0 0 0.35 1.57 0.64 5.4 49.8 15.0 32 310 25 2 -15 -7 -19 72 4895 334 0 0 0 T 1.57 0.66 T 49.8 17.8 31 310 26 4 -15 -6 -18 71 4966 352 0 0 0 0.04 1.61 0.68 1.1 50.9 9.0 17 80 27 5 -14 -5 -17 70 5036 369 0 0 0 0.02 1.63 0.70 0.2 51.1 16.4 32 310 28 1 -16 -8 -20 73 5109 389 0 0 0 0 1.63 0.72 0.0 51.1 8.9 20 310 29 8 -3 3 -9 62 5171 398 0 0 0 T 1.63 0.74 T 51.1 10.5 26 120 30 25 -2 12 -1 53 5224 399 0 0 0 0 1.63 0.76 0.0 51.1 12.4 24 200 31 39 23 31 18 34 5258 381 0 0 0 T 1.63 0.78 0 51.1 19.3 41 290 Monthly Summary for January, 1997 ...JANUARY HIGHLIGHTS... JANUARY OF 1997 WAS WETTER AND SNOWIER THAN NORMAL IN ROCHESTER WHILE TEMPERATURES WERE JUST SLIGHTLY BELOW AVERAGE. SNOWFALL OF 14.4 INCHES WAS 4.2 INCHES ABOVE THE NORMAL OF 10.2 INCHES. THE SEASONAL SNOWFALL IS NOW UP TO 51.1 INCHES WHICH IS MORE THAN THE NORMAL FOR AN ENTIRE WINTER (48.7 INCHES). NORMAL SNOWFALL THROUGH THE END OF JANUARY WOULD BE ONLY 27.3 INCHES. THERE WERE 16 DAYS WHEN TEMPERATURES FELL BELOW THE ZERO MARK AND THIS COMPARES TO AN AVERAGE OF 14 SUCH DAYS IN JANUARY. TEMPERATURE DATA...... (DEGREES F) AVERAGE MONTHLY TEMPERATURE.... 10.5 OR 1.0 DEGREES BELOW NORMAL AVERAGE MAXIMUM TEMPERATURE.... 18.0 AVERAGE MINIMUM TEMPERATURE.... 2.9 HIGHEST TEMPERATURE WAS 39 ON DAY 31 LOWEST TEMPERATURE WAS -16 ON DAY 28 HEATING DEGREE DAYS (BASE 65) COOLING DEGREE DAYS MONTHLY TOTAL ........... 1690 MONTHLY TOTAL .......... 0 DEPARTURE FROM NORMAL.... 31 DEPARTURE FROM NORMAL... 0 SEASONAL TOTAL (JUL-JUN). 5258 SEASONAL TOTAL (JAN-DEC) 0 DEPARTURE FROM NORMAL.... 381 DEPARTURE FROM NORMAL... 0 PRECIPITATION DATA.... ..RAIN.. TOTAL FOR THE MONTH......... 1.63 OR 0.85 INCHES ABOVE NORMAL TOTAL SINCE JANUARY 1ST..... 1.63 OR 0.85 INCHES ABOVE NORMAL GREATEST 24 HOUR RAINFALL WAS 0.70 INCHES ON THE 4TH ..SNOW.. TOTAL FOR THE MONTH......... 14.4 TOTAL FOR THE SEASON........ 51.1 GREATEST 24 HOUR SNOWFALL WAS 5.4 INCHES ON THE 24TH ..NUMBER OF DAYS.. WITH .01 INCHES OR MORE 18 HIGHS 32 DEGREES OR COLDER 25 WITH .10 INCHES OR MORE 3 HIGHS 90 DEGREES OR WARMER 0 WITH .50 INCHES OR MORE 1 LOWS 32 DEGREES OR COLDER 31 WITH 1.00 INCHES OR MORE 0 LOWS 0 DEGREES OR COLDER 16 SEA LEVEL PRESSURE............ HIGHEST 30.67 INCHES ON DAY 13 LOWEST 29.24 INCHES ON DAY 04 WIND DATA............. THE AVERAGE MONTHLY WIND SPEED WAS 15.2 MPH THE FASTEST TWO-MINUTE WIND WAS... 37 MPH FROM 330 DEGREES THE HIGHEST PEAK WIND GUST WAS.... 41 FROM 290 DEGREES LOOKING AHEAD TO FEBRUARY... AVERAGE MEAN TEMPERATURE...17.1 DEG AVERAGE HIGH TEMPERATURE...26.0 AVERAGE PRECIPITATION 0.74 INCHES AVERAGE LOW TEMPERATURE.... 8.1 AVERAGE SNOWFALL .....7.9 INCHES