June, 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 80 51 66 M 0 M M 1 M M 0 0 M M M M M M 2 77 53 65 2 0 8773 570 0 1 -31 0 0 0.24 M M 8.0 22 80 3 76 53 65 2 0 8773 566 0 1 -33 0 0 0.36 M M 8.0 21 90 4 78 55 67 4 0 8773 562 2 3 -33 T T 0.48 M M 7.0 18 90 5 75 54 65 1 0 8773 559 0 3 -35 0.27 0.27 0.60 M M 9.3 25 80 6 71 50 61 -3 4 8777 560 0 3 -37 0 0.27 0.72 M M 8.1 20 20 7 70 52 61 -3 4 8781 561 0 3 -39 0 0.27 0.84 M M 10.2 32 60 8 73 49 61 -4 4 8785 562 0 3 -42 0 0.27 0.96 M M 11.3 28 100 9 78 52 65 0 0 8785 559 0 3 -45 0 0.27 1.08 M M 9.2 24 110 10 81 55 68 2 0 8785 557 3 6 -45 0 0.27 1.20 M M 7.5 24 150 11 78 57 68 2 0 8785 555 3 9 -45 0.09 0.36 1.32 M M 7.7 20 130 12 80 56 68 2 0 8785 553 3 12 -45 0 0.36 1.44 M M 6.2 16 40 13 80 59 70 4 0 8785 551 5 17 -43 0 0.36 1.56 M M 10.7 28 40 14 79 51 65 -1 0 8785 549 0 17 -46 0 0.36 1.68 M M 8.1 20 170 15 83 63 73 6 0 8785 548 8 25 -41 0.32 0.68 1.80 M M 16.6 36 200 16 68 52 60 -7 5 8790 552 0 25 -44 0 0.68 1.92 M M 11.9 29 330 18 70 57 64 -3 1 8794 554 0 25 -50 0 0.79 2.16 M M 9.4 21 320 19 77 54 66 -2 0 8794 553 1 26 -53 T 0.79 2.29 M M 9.2 17 90 1 84 64 74 6 0 8794 553 9 3 5 0.10 0.89 2.52 M M 7.5 22 220 21 81 64 73 5 0 8794 551 8 43 -44 0.40 1.29 2.55 M M 7.2 21 260 22 86 61 74 6 0 8794 551 9 5 2 0.19 1.48 2.68 M M 7.2 37 250 21 86 61 74 6 0 8794 551 9 5 2 0.19 1.08 2.68 M M 7.2 37 250 22 86 61 74 6 0 8794 551 9 5 2 0.19 1.48 2.68 M M 7.2 37 250 23 87 66 77 9 0 8794 549 12 64 -31 0 1.48 2.81 M M M 18 190 24 81 68 75 7 0 8794 548 10 74 -25 0.14 1.62 2.94 M M 16.1 39 190 25 78 60 69 0 0 8794 547 4 78 -26 0 1.62 3.07 M M 12.2 26 290 26 80 55 68 -1 0 8794 546 3 81 -28 0 1.62 3.20 M M 8.0 20 330 27 84 59 72 3 0 8794 545 7 88 -26 0 1.62 3.33 M M 12.9 26 190 28 84 63 74 5 0 8794 545 9 97 -22 0.95 2.57 3.46 M M 12.3 46 340 29 78 64 71 1 0 8794 545 6 103 -21 0.03 2.60 3.59 M M 7.5 25 210 30 81 63 72 2 0 8794 545 7 110 -19 0 2.60 3.72 M M 5 17 270 JUN CLIMATOLOGICAL REPORT FOR ROCHESTER MN ...JUNE SLIGHTLY WARMER BUT CONSIDERABLY DRIER THAN NORMAL... TEMPERATURES REMAINED CLOSE TO SEASONAL NORMALS THROUGH THE MONTH AT ROCHESTER. NO HIGH OR LOW TEMPERATURE RECORDS WERE SET. THE FIRST HALF OF THE MONTH AT ROCHESTER WAS VERY DRY. ALTHOUGH SOME FAIRLY SUBSTANTIAL RAINFALL AMOUNTS WERE RECORDED DURING THE LAST TWO WEEKS OF JUNE...INCLUDING A 24 HOUR ACCUMULATION OF 0.97 INCH ON DAY 28-29...THE MONTH ENDED WITH A RAINFALL DEFICIT OF MORE THAN AN INCH BELOW NORMAL EXPECTATIONS. THIS WAS THE 4TH MONTH IN A ROW WITH BELOW NORMAL PRECIPITATION. TEMPERATURE DATA...... (DEGREES F) AVERAGE MONTHLY TEMPERATURE.... 67.7 OR 1.2 DEGREES ABOVE NORMAL AVERAGE MAXIMUM TEMPERATURE.... 78.5 AVERAGE MINIMUM TEMPERATURE.... 56.9 HIGHEST TEMPERATURE WAS 87 ON DAY 23 LOWEST TEMPERATURE WAS 48 ON DAY 17 HEATING DEGREE DAYS (BASE 65) COOLING DEGREE DAYS MONTHLY TOTAL ........... 21 MONTHLY TOTAL .......... 110 DEPARTURE FROM NORMAL.... -34 DEPARTURE FROM NORMAL... 9 SEASONAL TOTAL (JUL-JUN). 8794 SEASONAL TOTAL (JAN-DEC) 110 DEPARTURE FROM NORMAL.... 545 DEPARTURE FROM NORMAL... -19 PRECIPITATION DATA.... ..RAIN.. TOTAL FOR THE MONTH......... 2.60 OR 1.12 INCHES BELOW NORMAL TOTAL SINCE JANUARY 1ST..... 12.17 OR 0.98 INCHES BELOW NORMAL GREATEST 24 HOUR RAINFALL WAS 0.97 INCHES ON DAY(S) 28-29 ..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 1 LOWS 32 DEGREES OR COLDER 0 WITH 1.00 INCHES OR MORE 0 LOWS 0 DEGREES OR COLDER 0 SEA LEVEL PRESSURE............ HIGHEST 30.29 INCHES ON DAY 09 LOWEST 29.44 INCHES ON DAY 15 WIND DATA............. THE AVERAGE MONTHLY WIND SPEED WAS 8.6 MPH THE FASTEST TWO-MINUTE WIND WAS... 41 MPH FROM 340 DEGREES THE HIGHEST PEAK WIND GUST WAS.... 46 FROM 340 DEGREES