MARCH 2005 CLIMATIC SUMMARY

An upper level ridge of high pressure continued to dominate the weather over the first half of March, bringing mild temperatures and dry weather. A cooler and wetter pattern took hold for most of the second half of the month, though precipitation totals were not enough to keep March from being another dry month. A snowstorm moved across the area from the 22nd through the 24th, dropping 5 to 8 inches of snow over south central South Dakota and 3 to 5 inches of snow over the rest of western South Dakota and northeastern Wyoming. Warm and dry weather returned for the last few days of the month.

For the month as a whole, temperatures averaged 2.5 to 5 degrees above normal, with only 2 locations reporting below normal temperatures. Spearfish was the warm spot averaging 6.3 degrees above normal, while Wood was the cool spot averaging 1.2 degrees below normal.

Precipitation averaged 20 to 30 percent below normal, with only 3 locations reporting above normal precipitation. Most locations reporting below normal snowfall …though south central South Dakota saw snowfall totals 3 to 6 inches above normal. Redig was the dry spot receiving 26 percent of its normal precipitation, while Interior was the wet spot receiving 125 percent of its normal precipitation.

LOCAL EXTREMES

Temperature Data

Rapid City

 

Lead

 

Gillette

 

 

Temperature

Date

Temperature

Date

Temperature 

Date

Maximum Temperature

73 degrees

28th

63 degrees

28th

65 degrees

9th 

Minimum Temperature

14 degrees

20th and 25th 

12 degrees

15th and 25th 

6 degrees

25th  

Precipitation Data

Rapid City

 

Lead

 

Gillette

 

Monthly  Data

Amount

Data

Amount

Date

Amount

Date

Precipitation

0.77 inches

 

2.23 inches

 

0.98 inches

 

Snowfall

6.1 inches

 

23.2 inches

 

10.0 inches

 

 

 

 

 

 

 

 

Daily Data

 

 

 

 

 

 

Maximum Precipitation

0.32 inches

24th 

0.52 inches

8th

0.37 inches

24th 

Maximum Snowfall

2.7 inches

24th 

5.0 inches

8th

4.0 inches

24th 

REGIONAL EXTREMES

Temperature Data

 

Western South Dakota

 

 

Northeastern Wyoming

 

 

Temperature

Site

Date

Temperature

Site

Date

Maximum Temperature

78 degrees

Cedar Butte

29th

71 degrees

Weston 1E

27th

Minimum Temperature

3 degrees

Cottonwood

1st

1 degree

Recluse 11NNW

24th

Hill City

15th

Precipitation Data

 

Western South Dakota

 

 

Northeastern Wyoming

 

Monthly Data

Amount

Site

Date

Amount

Site

Date

Maximum Precipitation

2.23 inches

Lead

 

1.33 inches

Dillinger

 

Minimum Precipitation

0.03 inches

Harding 3SE

 

0.23 inches

Weston

 

Maximum Snowfall

23.2 inches

Lead

 

11.3 inches

Upton 14ENE

 

Minimum Snowfall

0.6 inches

Buffalo Gap

 

3.0 inches

Newcastle

 

 

 

 

 

 

 

 

Daily Data

 

 

 

 

 

 

Maximum Precipitation

1.02 inches

Ardmore 2N

18th 

0.51 inches

Dillinger 

24th

Maximum Snowfall

10.0 inches

Ardmore 2N

18th 

5.0 inches

Dillinger

24th

MONTHLY RECORDS

LOCATION

DATE

NEW RECORD

OLD RECORD

DATE

 

 

NO RECORDS SET

 

 

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