JANUARY 2006 CLIMATIC SUMMARY

January saw record warmth as no arctic air pushed into the region during the month. Temperatures were above normal every single day of the month, the first time since November of 1923 that this has happened. No location in western South Dakota or northeastern Wyoming reported a sub-zero temperature, the first time this has happened in the month of January since records began in 1888. No significant snowfalls occurred during the month, though freezing rain did fall on the 1st causing some power outages on the plains of northwestern South Dakota.

Temperatures averaged 13 to 17 degrees above normal as 70 percent of reporting sites recorded the warmest January on record.  Winner and Camp Crook were the warm spots averaging 17.9 degrees above normal. Pactola Dam was the cool spot averaging 9.8 degrees above normal.

January was generally a dry month with precipitation averaging 40 to 70 percent of normal. Only 8 locations reported above normal precipitation. Snowfall was well below normal with several locations reporting no snowfall during the month.  Faith was the only location with above normal snowfall, receiving 4.4 inches versus an average of 4.1 inches. Long Valley was the wet spot receiving 280 percent of normal precipitation. Lemmon was the dry spot where only a trace of precipitation was recorded during the month.

LOCAL EXTREMES

Temperature Data

Rapid City

 

Lead

 

Gillette

 

 

Temperature

Date

Temperature

Date

Temperature 

Date

Maximum Temperature

64 degrees

25th

59 degrees

25th

61 degrees

25th

Minimum Temperature

18 degrees

22nd

15 degrees

22nd

12 degrees

20th

Precipitation Data

Rapid City

 

Lead

 

Gillette

 

Monthly  Data

Amount

Data

Amount

Date

Amount

Date

Precipitation

.07 inches

 

1.09 inches

 

0.18 inches

 

Snowfall

Trace

 

8.8 inches

 

2.0 inches

 

 

 

 

 

 

 

 

Daily Data

 

 

 

 

 

 

Maximum Precipitation

0.04 inches

1st

0.30 inches

1st

.08 inches

19th

Maximum Snowfall

Trace

Several days

3.1 inches

31st

1.0 inches

19th,  31st

REGIONAL EXTREMES

Temperature Data

 

Western South Dakota

 

 

Northeastern Wyoming

 

 

Temperature

Site

Date

Temperature

Site

Date

Maximum Temperature

72 degrees

Cedar Butte

15th

61 degrees

Gillette

25th

Minimum Temperature

1 degree

Rochford

22nd,  23rd

3 degrees

Upton 14 ENE

17th

Precipitation Data

 

Western South Dakota

 

 

Northeastern Wyoming

 

Monthly Data

Amount

Site

Date

Amount

Site

Date

Maximum Precipitation

1.09 inches

Lead

 

0.55 inches

Upton 14 ENE

 

Minimum Precipitation

Trace

Lemmon

 

Trace

Moorcroft

 

Maximum Snowfall

8.8 inches

Lead

 

3.5 inches

 Dillenger  Sundance

 

Minimum Snowfall

0.0 inches

Several locations

 

0.0 inches

Moorcroft

 

 

 

 

 

 

 

 

Daily Data

 

 

 

 

 

 

Maximum Precipitation

0.60 inches

Bison

1st

0.24 inches

Sundance

1st

Maximum Snowfall

3.4 inches

Wind Cave NP

9th

2.5 inches

Dillinger

19th

MONTHLY RECORDS

LOCATION

DATE

NEW RECORD

OLD RECORD

DATE

Winner

January

40.6 degree Avg Temperature

32.8 degrees

1992

Spearfish

January

40.3 degree Avg Temperature

36.4 degrees

1986

Interior

January

39.3 degree Avg Temperature

35.9 degrees

1990

Long Valley

January

38.6 degree Avg Temperature

34.5 degrees

1990

Rapid City

January

38.4 degree Avg Temperature

35.2 degrees

1953

Newcastle, Wyoming

January

38.3 degree Avg Temperature

32.8 degrees

1953

Fort Meade

January

37.7 degree Avg Temperature

35.9 degrees

1992

Hot Springs

January

37.4 degree Avg Temperature

34.9 degrees

1981

Wood

January

37.3 degree Avg Temperature

33.1 degrees

1990

Oelrichs

January

37.1 degree Avg Temperature

34.0 degrees

1953

Camp Crook

January

36.6 degree Avg Temperature

30.8 degrees

1992

Mission 14S

January

36.5 degree Avg Temperature

32.2 degrees

1990

Milesville 5NE

January

35.2 degree Avg Temperature

30.4 degrees

1990

Faith

January

34.1 degree Avg Temperature

30.5 degrees

1939

Gillette 6SE, Wyoming

January

33.8 degree Avg Temperature

33.2 degrees

1981

Maurine 10SW

January

33.8 degree Avg Temperature

30.3 degrees

1992

Newell

January

33.8 degree Avg Temperature

31.4 degrees

1992

Dupree

January

33.5 degree Avg Temperature

28.7 degrees

1981

Devils Tower, Wyoming

January

33.0 degree Avg Temperature

30.4 degrees

1981

Bison

January

32.7 degree Avg Temperature

31.3 degrees

1992

Redig 11 NE

January

32.5 degree Avg Temperature

31.5 degrees

1992

Pactola Dam

January

32.2 degree Avg Temperature

31.5 degrees

1986

Lemmon

January

30.9 degree Avg Temperature

29.9 degrees

1992

Bison

January

0.0 inches of snowfall

Trace snowfall

Many Years

Lemmon

January

Trace of rainfall

Trace rainfall

1935

Lemmon

January

Trace of snowfall

Trace snowfall

1974,91

Mission 14S

January

Trace of snowfall

Trace snowfall

1954,80,89

Newcastle, Wyoming

January

Trace of snowfall

Trace snowfall

1952,54,64

Newell

January

0.0 inches of snowfall

0.0 inches snowfall

1990

Pactola Dam

January

Trace of snowfall

Trace snowfall

Many Years

Spearfish

January

0.0 inches of snowfall

0.0 inches snowfall

1964

Winner

January

0.0 inches of snowfall

0.0 inches snowfall

2002

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