March 2010 Climatic Summary

March temperatures were warm, averaging 3 to 5 degrees above normal. All locations reported above normal temperatures. Gillette 4SE in northeast Wyoming was the warm spot averaging 7.3 degrees above normal. The cold spot was at Milesville 5NE where temperatures averaged 0.6 degrees above normal.
March was a dry month with precipitation averaging only 60 to 80 percent of normal. The wettest areas were across central and south central South Dakota where precipitation averaged 100 to 150 percent of normal. The driest areas were across northwestern South Dakota and northeast Wyoming where precipitation averaged 40 to 60 percent of normal. The wet spot was at Porcupine 11N where precipitation was 241 percent of normal. The dry spot was at Upton, in northeast Wyoming, where only 15 percent of normal precipitation fell. The precipitation deficit for the month averaged 0.30 inches.
Snowfall in March was 60 to 80 percent of normal. Across the northern Black Hills and Bear Lodge Mountains 1 to 2 feet of snow fell. Elsewhere, on the plains of western South Dakota and northeast Wyoming, snowfall was generally 5 to 10 inches, with a few isolated locations receiving 10 to 18 inches of snow. 
 

March storm summary...

On March 9 and 10…A strong upper level low pressure system moved through the Central Plains bringing snow to much on western South Dakota and Crook County  in northeastern Wyoming. Across the Black Hills and far western South Dakota 4 to 8 inches of snow fell, with 1 to 4 inches reported in central South Dakota. In Crook County in northeastern Wyoming 2 to 4 inches of snow was reported.

LOCAL EXTREMES

Temperature Data

Rapid City

 

Lead

 

Gillette

 

 

Temperature

Date

Temperature

Date

Temperature 

Date

Maximum Temperature

78 degrees

30th

63 degrees

25th, 30th

69 degrees

30th

Minimum Temperature

16 degrees

20th

13 degrees

20th

16 degrees

20th

Precipitation Data

Rapid City

 

Lead

 

Gillette

 

Monthly Data

Amount

Data

Amount

Date

Amount

Date

Precipitation

0.17 inches

 

1.17 inches

 

0.38 inches

 

Snowfall

3.0 inches

 

11.2 inches

 

1.0 inches

 

 

 

 

 

 

 

 

Daily Data

 

 

 

 

 

 

Maximum Precipitation

0.08 inches

6th

0.35 inches

10th

0.13 inches

10th

Maximum Snowfall

1.1 inches

6th

4.2 inches

10th

1.0 inches

11th

 REGIONAL EXTREMES

Temperature Data

 

Western South Dakota

 

 

Northeastern Wyoming

 

 

Temperature

Site

Date

Temperature

Site

Date

Maximum Temperature

85 degrees

Winner

31st

72 degrees

Several Locations

 

Minimum Temperature

6 degrees

Glad Valley

1st

5 degrees

Upton 14ENE

21st

Precipitation Data

 

Western South Dakota

 

 

Northeastern Wyoming

 

Monthly Data

Amount

Site

Date

Amount

Site

Date

Maximum Precipitation

2.41 inches

Porcupine 11N

 

0.74 inches

Hulett

 

Minimum Precipitation

0.12 inches

Ludlow 3SSE

 

0.10 inches

Upton

 

Maximum Snowfall

19.0 inches

Porcupine 11N

 

5.0 inches

Upton 14ENE

 

Minimum Snowfall

0.9 inches

Milesville 5NE

 

0.2 inches

Newcastle

 

 

 

 

 

 

 

 

Daily Data

 

 

 

 

 

 

Maximum Precipitation

1.50 inches

Cedar Butte 1NE

9th

0.62 inches

Colony

10th

Maximum Snowfall

10.0 inches

Bear Ridge
Porcupine 11N

10th
11th

3.2 inches

Weston 1E

10th

 MONTHLY RECORDS

LOCATION

DATE

NEW RECORD

OLD RECORD

DATE

 

 

NO RECORDS SET

 

 

 

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