Climatological Report (Daily)
Issued by NWS Rapid City, SD
Issued by NWS Rapid City, SD
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CDUS43 KUNR 180837
CLIRAP
CLIMATE REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
237 AM MDT THU SEP 18 2025
...................................
...THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR SEPTEMBER 17 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1942 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 68 1100 AM 101 2000 76 -8 93
MINIMUM 57 1159 PM 26 1991 46 11 57
AVERAGE 63 61 2 75
PRECIPITATION (IN)
YESTERDAY 0.57R 0.48 1946 0.04 0.53 0.18
MONTH TO DATE 1.03 0.67 0.36 1.18
SINCE SEP 1 1.03 0.67 0.36 1.18
SINCE JAN 1 16.52 14.66 1.86 11.93
DEGREE DAYS
HEATING
YESTERDAY 2 6 -4 0
MONTH TO DATE 38 68 -30 1
SINCE SEP 1 38 68 -30 1
SINCE JUL 1 49 106 -57 11
COOLING
YESTERDAY 0 2 -2 10
MONTH TO DATE 79 50 29 133
SINCE SEP 1 79 50 29 133
SINCE JAN 1 769 592 177 863
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 11.8
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 300 PM
LOWEST 63 1100 AM
AVERAGE 77
..........................................................
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 97 1998
MINIMUM TEMPERATURE (F) 46 24 1991
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 635 AM MDT SUNSET 656 PM MDT
SEPTEMBER 19 2025.....SUNRISE 636 AM MDT SUNSET 655 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$