National Weather Service National Headquarters

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXUS51 KAKQ 010218
CLMRIC

CLIMATE REPORT
NATIONAL WEATHER SERVICE WAKEFIELD, VA
915 AM EDT FRI JUN 1 2012

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

...THE RICHMOND VA CLIMATE SUMMARY FOR THE MONTH OF MAY 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2012

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             100   05/28/1941
 LOW               31   05/09/1956
HIGHEST            90   05/29        78      12       98  05/31
LOWEST             47   05/12        54      -7       43  05/06
AVG. MAXIMUM     80.8              77.9     2.9     80.0
AVG. MINIMUM     60.1              55.0     5.1     58.2
MEAN             70.5              66.4     4.1     69.1
DAYS MAX >= 90      1               2.0    -1.0        4
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        16.80   2010
 MINIMUM         0.45   1936
TOTALS           2.45              3.78   -1.33     4.35
DAILY AVG.       0.08              0.12   -0.04     0.14
DAYS >= .01        13              10.8     2.2        9
DAYS >= .10         6               7.2    -1.2        5
DAYS >= .50         2               2.6    -0.6        3
DAYS >= 1.00        0               0.8    -0.8        2
GREATEST
 24 HR. TOTAL    0.84   05/09 TO 05/10

DEGREE_DAYS
HEATING TOTAL      10
 SINCE 7/1       2855              3766    -911     3783
COOLING TOTAL     185               119      66      169
 SINCE 1/1        253               161      92      252
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.4
HIGHEST WIND SPEED/DIRECTION    22/230    DATE  05/29
HIGHEST GUST SPEED/DIRECTION    33/300    DATE  05/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN               20     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      22     FOG W/VIS <= 1/4 MILE      5
HAZE                      2

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$