January, 1999 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 8 -4 2 -10 63 2728 -543 0 0 0 0.05 0.05 0.05 1.4 8.7 12.4 21 110 2 14 8 11 -1 54 2782 -542 0 0 0 0.28 0.33 0.06 4.6 13.3 21.3 36 20 3 12 -6 3 -9 62 2844 -533 0 0 0 0.09 0.42 0.09 1.0 14.3 25.1 38 320 4 -6 -19 -13 -25 78 2922 -508 0 0 0 T 0.38 0.12 T 14.6 14.2 32 320 5 9 -20 -6 -18 71 2993 -490 0 0 0 0.02 0.40 0.15 1.1 15.7 13.1 24 190 6 10 -13 -2 -13 67 3060 -477 0 0 0 0 0.43 0.18 0.8 16.5 16.5 29 340 7 2 -18 -8 -19 73 3133 -458 0 0 0 0 0.43 0.21 0.0 16.5 9.7 17 290 8 8 -10 -1 -12 66 3199 -446 0 0 0 0.08 0.51 0.24 2.1 18.6 9.0 21 320 9 1 -22 -11 -22 76 3275 -424 0 0 0 0.03 0.54 0.27 0.6 19.2 12.6 30 200 10 8 -10 -1 -12 66 3341 -412 0 0 0 0.01 0.55 0.30 0.3 19.5 17.4 33 330 11 6 -8 -1 -12 66 3407 -400 0 0 0 0.02 0.57 0.33 0.5 20.0 9.7 22 140 12 6 -4 1 -10 64 3471 -390 0 0 0 0.11 0.68 0.36 2.4 22.4 13.5 24 20 13 9 -7 1 -10 64 3535 -380 0 0 0 0.01 0.69 0.39 0.3 22.7 13.2 23 120 14 11 4 8 -3 57 3592 -377 0 0 0 0.11 0.80 0.42 4.2 26.9 12.4 22 130 15 29 6 18 7 47 3639 -384 0 0 0 0.08 0.88 0.45 T 27.2 15.4 34 190 16 34 21 28 17 37 3676 -401 0 0 0 0.02 0.90 0.48 T 26.9 13.7 25 260 17 34 20 27 16 38 3714 -417 0 0 0 0.17 1.07 0.50 0.8 27.7 12.0 22 250 18 31 4 18 7 47 3761 -424 0 0 0 0.31 1.37 0.52 3.3 T 22.2 40 300 19 23 3 13 2 52 3813 -426 0 0 0 0 1.37 0.54 0 31.7 7.5 20 200 20 26 15 21 10 44 3857 -436 0 0 0 T 1.37 0.56 0 31.7 9.7 24 210 21 30 20 25 M 40 3897 M 0 0 0 0 1.37 M 0 31.7 M M M 22 31 28 30 19 35 3932 -469 0 0 0 0.47 1.84 0.60 2.0 33.7 17.1 32 40 23 31 23 27 16 38 3970 -485 0 0 0 T 1.84 0.62 T 33.7 16.2 26 300 24 23 11 17 5 48 4018 -490 0 0 0 0.18 2.02 0.64 3.0 36.7 10.3 24 310 26 32 15 24 12 41 4117 -497 0 0 0 0.02 2.04 0.68 T 36.7 15.9 28 130 27 34 27 31 19 34 4151 -516 0 0 0 0.03 2.07 0.70 T 36.7 12.7 26 290 28 27 8 18 6 47 4198 -522 0 0 0 T 2.07 0.72 T 36.7 10.7 22 320 29 25 16 21 9 44 4242 -531 0 0 0 0 2.07 0.74 0 36.7 6.7 13 200 30 30 6 18 5 47 4289 -536 0 0 0 0 2.07 0.76 0 36.7 4.4 15 120 31 30 15 23 10 42 4331 -546 0 0 0 0 2.07 0.78 0 36.7 12.4 20 120 Monthly Summary for January TEMPERATURE DATA...... (DEGREES F) AVERAGE MONTHLY TEMPERATURE.... 11.1 OR 0.4 DEGREES BELOW NORMAL AVERAGE MAXIMUM TEMPERATURE.... 18.8 AVERAGE MINIMUM TEMPERATURE.... 3.5 HIGHEST TEMPERATURE WAS 34 ON DAY 27 LOWEST TEMPERATURE WAS -22 ON DAY 9 HEATING DEGREE DAYS (BASE 65) COOLING DEGREE DAYS MONTHLY TOTAL ........... 1666 MONTHLY TOTAL .......... 0 DEPARTURE FROM NORMAL.... 7 DEPARTURE FROM NORMAL... 0 SEASONAL TOTAL (JUL-JUN). 4331 SEASONAL TOTAL (JAN-DEC) 0 DEPARTURE FROM NORMAL.... -546 DEPARTURE FROM NORMAL... 0 PRECIPITATION DATA.... ..RAIN.. TOTAL FOR THE MONTH......... 2.07 OR 1.29 INCHES ABOVE NORMAL TOTAL SINCE JANUARY 1ST..... 2.07 OR 1.29 INCHES ABOVE NORMAL ..SNOW.. TOTAL FOR THE MONTH......... 29.4 TOTAL FOR THE SEASON........ 36.7 ..NUMBER OF DAYS.. WITH .01 INCHES OR MORE 20 HIGHS 32 DEGREES OR COLDER 28 WITH .10 INCHES OR MORE 7 HIGHS 90 DEGREES OR WARMER 0 WITH .50 INCHES OR MORE 0 LOWS 32 DEGREES OR COLDER 31 WITH 1.00 INCHES OR MORE 0 LOWS 0 DEGREES OR COLDER 14 SEA LEVEL PRESSURE............ HIGHEST 30.61 INCHES ON DAY 30 LOWEST 29.36 INCHES ON DAY 18 WIND DATA............. THE AVERAGE MONTHLY WIND SPEED WAS 13.3 MPH THE FASTEST TWO-MINUTE WIND WAS... 37 MPH FROM 310 DEGREES THE HIGHEST PEAK WIND GUST WAS.... 40 FROM 300 DEGREES