974
CXUS53 KUNR 011648
CLMRAP

CLIMATE REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
1048 AM MDT MON JUN 01 2026

...................................

...THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1942 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             98   05/27/1969
 LOW              19   05/03/1954
HIGHEST           93   05/13                          95  05/11
LOWEST            23   05/06                          33  05/17
AVG. MAXIMUM    73.0               66.5     6.5     70.1
AVG. MINIMUM    41.4               41.7    -0.3     44.6
MEAN            57.2               54.1     3.1     57.4
DAYS MAX >= 90     3                                   2
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     6                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        8.18   1996
 MINIMUM        0.33   1966
TOTALS          3.85               3.45    0.40     2.08
DAILY AVG.      0.12               0.11    0.01     0.07
DAYS >= .01        9                                  13
DAYS >= .10        4                                   5
DAYS >= .50        2                                   1
DAYS >= 1.00       2                                   0
GREATEST
 24 HR. TOTAL   2.32   05/21 TO 05/22               1.08


DEGREE DAYS
HEATING TOTAL    271                349     -78      251
 SINCE 7/1      5508               7159   -1651       MM
COOLING TOTAL     35                 11      24       24
 SINCE 1/1        40                 12      28       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.7
HIGHEST WIND SPEED/DIRECTION    37/320    DATE  05/22
HIGHEST GUST SPEED/DIRECTION    48/330    DATE  05/22

AVERAGE RH (PERCENT)     53

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       6
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       6     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.

$$