Climatological Report (Monthly)
Issued by NWS Rapid City, SD
Issued by NWS Rapid City, SD
981
CXUS53 KUNR 011648
CLMUNR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
1048 AM MDT MON JUN 01 2026
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...THE EAST RAPID CITY SD CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1888 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 99 05/27/1969
LOW 19 05/03/1954
05/01/1909
HIGHEST 91 05/11 95 05/11
05/13
05/26
LOWEST 31 05/06 37 05/19
05/20
AVG. MAXIMUM 71.8 65.3 6.5 67.8
AVG. MINIMUM 47.6 44.6 3.0 46.9
MEAN 59.7 54.9 4.8 57.4
DAYS MAX >= 90 3 2
DAYS MAX <= 32 0 0
DAYS MIN <= 32 1 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.71 2008
MINIMUM 0.09 1936
TOTALS 3.07 4.12 -1.05 2.63
DAILY AVG. 0.10 0.13 -0.03 0.08
DAYS >= .01 9 13
DAYS >= .10 7 6
DAYS >= .50 1 1
DAYS >= 1.00 1 0
GREATEST
24 HR. TOTAL 1.83 05/30 TO 05/30 0.99
SNOWFALL (INCHES)
RECORDS
TOTAL 19.2 1892
TOTALS 0.0 2.2 -2.2 0.0
SINCE 7/1 19.0 53.6 -34.6 MM
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 0 0.5 -0.5 0
GREATEST
SNOW DEPTH 0 0 MM
24 HR TOTAL MM 0.0
DEGREE DAYS
HEATING TOTAL 219 327 -108 266
SINCE 7/1 5192 6761 -1569 MM
COOLING TOTAL 62 16 46 38
SINCE 1/1 83 17 66 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.6
HIGHEST WIND SPEED/DIRECTION 32/010 DATE 05/05
HIGHEST GUST SPEED/DIRECTION 47/330 DATE 05/05
AVERAGE RH (PERCENT) 48
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 3
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 0 FOG W/VIS <= 1/4 MILE 0
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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