National Weather Service Weather Forecast Office

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
625 AM MST SUN JAN 2 2011

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

...THE GRAND JUNCTION CLIMATE SUMMARY FOR THE YEAR OF 2010...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1893 TO 2011

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             106   07/21/2005
 LOW              -23   01/13/1963
HIGHEST           105   07/19        93      12      102  07/24
                                                          07/19
LOWEST             -9   12/31        15     -24      -16  12/10
AVG. MAXIMUM     65.2              65.1     0.1     65.4
AVG. MINIMUM     39.8              38.5     1.3     38.5
MEAN             52.5              51.8     0.7     52.0
DAYS MAX >= 90     75              57.5    17.5       60
DAYS MAX <= 32     26              20.6     5.4       34
DAYS MIN <= 32    147             134.2    12.8      150
DAYS MIN <= 0       4               5.0    -1.0        7

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        15.69   1957
 MINIMUM         3.64   1900
TOTALS           8.80              8.99   -0.19     7.79
DAILY AVG.       0.02              0.02    0.00     0.02
DAYS >= .01        77              74.0     3.0       62
DAYS >= .10        30              28.0     2.0       25
DAYS >= .50         2               2.0     0.0        2
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.53   10/21 TO 10/22              0.84  04/03 TO 04/04
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                                MM

SNOWFALL (INCHES)
RECORDS
 TOTAL           55.7   1948
 24 HR TOTAL     11.6   11/27/1919 TO 11/27/1919
 SNOW DEPTH        18   11/27/1919
TOTALS           15.9              21.5    -5.6     25.0
 LIQUID EQUIV    1.59              2.20   -0.61     2.50
SINCE 7/1         6.5               7.8    -1.3     16.7
 LIQUID 7/1      0.65              0.80   -0.15     1.67
SNOWDEPTH AVG.      1                 0       1        0
DAYS >= TRACE      49              20.7    28.3       40
DAYS >= 1.0         4               7.5    -3.5        8
GREATEST
 SNOW DEPTH         8   01/28                          7  12/31
 24 HR TOTAL      4.3   12/30 TO 12/30               7.2  12/07 TO 12/07
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                                MM

DEGREE_DAYS
HEATING TOTAL    5682              5700     -18     5803
 SINCE 7/1       1974              2370    -396     2706

FREEZE DATES
RECORD
 EARLIEST     09/15/1903
 LATEST       05/15/1916
EARLIEST                        10/21
LATEST                          04/21
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.2
RESULTANT WIND SPEED/DIRECTION   2/128
HIGHEST WIND SPEED/DIRECTION    49/320    DATE  07/11
HIGHEST GUST SPEED/DIRECTION    61/330    DATE  07/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM

NUMBER OF DAYS FAIR          249
NUMBER OF DAYS PC             76
NUMBER OF DAYS CLOUDY         40

AVERAGE RH (PERCENT)     52

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             24     MIXED PRECIP               0
HEAVY RAIN                9     RAIN                      28
LIGHT RAIN              103     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                2     SNOW                       6
LIGHT SNOW               49     SLEET                      0
FOG                      89     FOG W/VIS <= 1/4 MILE     13
HAZE                     49

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

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