June 2008 Climatic Summary

June was a cool month with temperatures averaging 2 to 4 degree below normal. All locations reported below normal temperatures. Cottonwood was the warm spot averaging 1.2 degrees below normal. The cold spot was Colony in northeast Wyoming where temperatures averaged 4.6 degrees below normal.

June was another wet month as precipitation averaged 40 to 60 percent above normal. The wettest areas were across the northern Black Hills, Bear Lodge Mountains and northwestern South Dakota where precipitation averaged 150 to 250 percent of normal. Milesville 5NE and Maurine 10SW reported the wettest Junes on record with 8.67 and 5.94 inches of rain. The driest areas were in Weston and southern Campbell counties in northeast Wyoming and across southwest South Dakota, where precipitation was 50 to 70 percent of normal. The wet spot was at Milesville 5 NE where precipitation was 281 percent of normal, while Newcastle in northeast Wyoming was the dry spot with only 46 percent of normal precipitation. The precipitation surplus for the month averaged 1.82 inches.

No snow was reported in June.

 

June storm summary...

 

On June 1, a strong upper level disturbance brought severe weather to much of northeast Wyoming and western South Dakota. In northeast Wyoming a brief tornado occurred 19 miles west of Wright, while hail to the size of nickels fell near Colony. In western South Dakota there were numerous reports of large hail, including softball size hail 8 miles south of Hermosa and baseball size hail 12 miles southeast of Red Shirt in Shannon county.

 

On June 2 and 3, a strong upper level disturbance moved across region bringing severe weather to northeast Wyoming and much of western South Dakota. Brief small tornadoes were report near Gillette and 15 miles west of Upton in Weston county. Two powerful thunderstorms moved from Harding and Butte counties east across Meade, Perkins, Ziebach and Haakon counties producing winds up to 85 mph and hail to the size of golf balls. Another powerful thunderstorm moved across Campbell and Crook counties late at night producing up to baseball size hail. An isolated severe thunderstorm produced golf ball size hail in Bennett county during the afternoon of June 3.

 

On June 4, an isolated severe thunderstorm produced golf ball size hail and just north of Rapid City, with flash flooding near Whitewood, Sturgis and just north of Rapid City.

 

On June 5 and 6, a powerful upper level storm system in the central plains brought heavy rains to much of western South Dakota and northeast Wyoming. The heaviest rains fell across Harding, Butte, Lawrence, Meade, Perkins, Ziebach and Pennington counties in South Dakota and across the Bear Lodge Mountains in Crook county. Rainfall totals of 4 to 8 inches were reported over these areas. The heavy rains caused extensive flooding of streams and rivers across these counties. Elsewhere 0.50 to 2.00 inches of rain fell on the plains of northeast Wyoming and over southwestern South Dakota. Central and south central South Dakota had 2 to 4 inches of rain.  Severe thunderstorms also produced nickel size hail in Tripp and Butte counties.

 

On June 8, an isolated severe thunderstorm produced quarter size hail just north of Rapid City in extreme southern Meade county.

 

On June 10, severe thunderstorms developed along a stationary front from northeast Wyoming to west central South Dakota. There were numerous reports of large hail, including hail to the size of golf balls at Four Corners in Weston county. A tornado also occurred in far western Pennington county in the higher elevations of the Black Hills.

 

On June 11, an isolated severe thunderstorm produced hail to the size of nickels across Butte and Meade counties.

 

On June 16, an isolated severe thunderstorm produced hail to the size of golf balls in Crook county.

 

On June 17, a strong upper level disturbance brought severe weather from northeast Wyoming southeast to south central South Dakota. There were numerous reports of large hail with the largest being baseball size hail 5 miles east of Oelrichs.

 

On June 18, an upper level disturbance brought scattered severe thunderstorms to the area. There were numerous reports of large hail, including golf ball size hail 3 miles west of Hulett in Crook county and 12 miles west of Wright in Campbell county.

 

On June 19, an upper level disturbance brought scattered severe thunderstorms, which dropped hail to the size of quarters over the Bear Lodge Mountains and central Black Hills in the early morning hours. Another upper level disturbance brought scattered severe thunderstorms to northeast Wyoming and the Black Hills during the afternoon hours. There were numerous reports of large hail with the largest being the size of golf balls near Hill City.

 

On June 20, severe thunderstorms dropped large hail over northeast Wyoming and the Black Hills. The largest hail was in Piedmont where golf balls fell.

 

On June 21, scattered severe thunderstorms developed over Ziebach and Haakon counties where quarter size hail was reported at several locations.

 

On June 23, an upper level disturbance brought severe thunderstorms to northeast Wyoming, southwestern South Dakota and the southern and central Black Hills. There were numerous reports of large hail with golf ball size hail falling 6 miles east of Custer and 8 miles south of Wright.

 

On June 24, isolated severe thunderstorms produced large hail in Crook and Harding counties. The largest hail fell in Hulett, in Crook county, and was the size of Ping Pong balls.

 

On June 25, a strong upper level disturbance moved across the region producing severe thunderstorms with large hail and damaging winds across northeast Wyoming and far western South Dakota. Hail to the size of half dollars fell near Oshoto in Crook county and winds to 70 miles per hour were reported 20 miles north of Gillette in Campbell county.

 

On June 26, an upper level disturbance produced severe thunderstorms across south central South Dakota early in the morning. There were several reports of large hail, including golf ball size hail 7 miles southeast of Millboro in Tripp county. Another more powerful upper level disturbance moved across the region in the afternoon producing widespread severe weather over western South Dakota. There were numerous reports of large hail and damaging winds. The largest hail reported was 3 inches in diameter 7 miles south of Lemmon. The strongest winds reported were 85 miles per hour 6 miles west of Parmelee in Todd county.

 

On June 27, an isolated severe thunderstorm produced 70 mile per hour winds 2 miles east of Ladner in Harding county.


LOCAL EXTREMES

 

Temperature Data

Rapid City

 

Lead

 

Gillette

 

 

Temperature

Date

Temperature

Date

Temperature 

Date

Maximum Temperature

88 degrees

24th,  30th

83 degrees

24th,  30th

91 degrees

30th

Minimum Temperature

35 degrees

12th

37 degrees

8th,  12th

38 degrees

8th,  9th

 

 

 

 

 

 

 

Precipitation Data

Rapid City

 

Lead

 

Gillette

 

Monthly  Data

Amount

Data

Amount

Date

Amount

Date

Precipitation

3.12 inches

 

5.98 inches

 

3.64 inches

 

Snowfall

0.0 inches

 

0.0 inches

 

0.0 inches

 

 

 

 

 

 

 

 

Daily Data

 

 

 

 

 

 

Maximum Precipitation

0.94 inches

5th

2.11 inches

5th

1.13 inches

5th

Maximum Snowfall

0.0 inches

 

0.0 inhces

 

0.0 inches

 

 
REGIONAL EXTREMES

 

Temperature Data

 

Western South Dakota

 

 

Northeastern Wyoming

 

 

Temperature

Site

Date

Temperature

Site

Date

Maximum Temperature

94 degrees

Oelrichs

24th

94 degrees

Dillinger

30th

Minimum Temperature

31 degrees

Custer

12th

30 degrees

Upton 14 ENE

8th,  12th

 

 

 

 

 

 

 

Precipitation Data

 

Western South Dakota

 

 

Northeastern Wyoming

 

Monthly Data

Amount

Site

Date

Amount

Site

Date

Maximum Precipitation

10.02 inches

Bear Ridge

 

7.09 inches

Rockypoint 1N

 

Minimum Precipitation

1.92 inches 

Hot Springs

 

1.11 inches

Newcastle

 

Maximum Snowfall

0.0 inches

 

 

0.0 inches

 

 

Minimum Snowfall

0.0 inches

 

 

0.0 inches

 

 

 

 

 

 

 

 

 

Daily Data

 

 

 

 

 

 

Maximum Precipitation

4.00 inches

Spearfish

5th

1.73 inches

Colony

5th

Maximum Snowfall

0.0 inches

 

 

0.0 inches

 

 


MONTHLY RECORDS 

 

LOCATION

DATE

             NEW RECORD

                OLD RECORD

DATE

Dupree

06/05/2008

3.38 inches of rainfall

2.82 inches of rainfall

06/22/1977

Maurine 12 SW

June

5.94 inches of rainfall

5.73 inches of rainfall

1984

Milesville 5 NE

June

8.67 inches of rainfall

6.39 inches of rainfall

1994

 

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