Climatological Report (Monthly)
Issued by NWS Denver/Boulder, CO

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CXUS55 KBOU 031629
CLMDEN

CLIMATE REPORT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
929 AM MST MON DEC 3 2018

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

...THE DENVER CO CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              81   11/27/2017
 LOW              -18   11/29/1877
HIGHEST            65   11/02        73      -8       81  11/27
LOWEST             10   11/12        -6      16       22  11/15
                                                          11/12
AVG. MAXIMUM     50.6              52.1    -1.5     61.1
AVG. MINIMUM     25.0              24.5     0.5     29.4
MEAN             37.8              38.3    -0.5     45.3
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      2               2.3    -0.3        0
DAYS MIN <= 32     27              23.4     3.6       22
DAYS MIN <= 0       0               0.6    -0.6        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.21   1946
 MINIMUM            T   1899
                        1901
                        1949
TOTALS           0.35              0.61   -0.26     0.29
DAILY AVG.       0.01              0.02   -0.01     0.01
DAYS >= .01         6               4.7     1.3        3
DAYS >= .10         1               1.6    -0.6        1
DAYS >= .50         0               0.0     0.0        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.17   11/11 TO 11/11           11/17 TO 11/17

SNOWFALL (INCHES)
RECORDS
TOTAL             4.5               8.7
RECORD NOVEMBER  42.5  1946

DEGREE_DAYS
HEATING TOTAL     808               801       7      586
 SINCE 7/1       1373              1382      -9     1171
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       1026               769     257      881

FREEZE DATES
RECORD
 EARLIEST     09/08/1962
 LATEST       06/08/2007
EARLIEST                        10/07
LATEST                          05/05
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
RESULTANT WIND SPEED/DIRECTION   2/225
HIGHEST WIND SPEED/DIRECTION    48/330    DATE  11/24
HIGHEST GUST SPEED/DIRECTION    62/320    DATE  11/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC             16
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     56

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORMS             0      MIXED PRECIP       0
HEAVY RAIN                0      RAIN               0
LIGHT RAIN                2      FREEZING RAIN      0
LIGHT FREEZING RAIN       1      HAIL               0
HEAVY SNOW                0      SNOW               3
LIGHT SNOW                9      SLEET              0
FOG                       8      DENSE FOG          2
HAZE                      2

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

........................NOVEMBER 2018 SUMMARY........................

DENVER`S WEATHER FOR NOVEMBER WAS A CONTRAST OF COLD AND UNSETTLED
IN THE FIRST PORTION OF THE MONTH FOLLOWED BY DRIER AND MILD
CONDITIONS IN THE SECOND HALF. IN THE END, THE MONTH FINISHED WITH
TEMPERATURES SLIGHTLY BELOW THE MONTHLY AVERAGE WITH PRECIPITATION
AND SNOWFALL COMING IN WELL BELOW THE AVERAGE.

TEMPERATURES:

THE AVERAGE TEMPERATURE AT DENVER INTERNATIONAL AIRPORT FOR THE
MONTH OF NOVEMBER WAS 37.8 DEGREES F, WHICH IS 0.5 DEGREES BELOW THE
NORMAL OF 38.3 DEGREES. NO MAXIMUM, MINIMUM, HIGH MINIMUM OR LOW
MAXIMUM TEMPERATURE RECORDS WERE SET IN NOVEMBER 2018.

TEN WARMEST NOVEMBER AVERAGE TEMPERATURES IN DENVER WEATHER HISTORY SINCE 1872:

50.9 - 1949
47.2 - 1999
46.2 - 1933, 1914
45.9 - 1981, 1927
45.6 - 1910, 1901
45.5 - 1917
45.3 - 2017

TEN COLDEST NOVEMBER AVERAGE TEMPERATURES IN DENVER WEATHER HISTORY SINCE 1872:

22.0 - 1880
28.9 - 2000
29.7 - 1985
31.5 - 1929
32.3 - 1952
32.5 - 1889
32.8 - 1972
33.0 - 1886
33.1 - 1872
33.3 - 1979

PRECIPITATION:

DENVER RECEIVED 0.35 INCHES OF PRECIPITATION FOR NOVEMBER 2018.
THIS IS 0.26 INCHES BELOW THE MONTHLY AVERAGE OF 0.61 INCHES. THE
HIGHEST PRECIPITATION AMOUNT OF 0.17 INCHES WAS RECEIVED ON THE 11TH
FROM A QUICK MOVING STORM WHICH BROUGHT 0.20 INCHES FOR BOTH THE
11TH AND 12TH ALONG WITH 2.6 INCHES OF SNOW. NO DAILY PRECIPITATION
RECORD WERE SET.

TEN WETTEST NOVEMBER TOTALS IN DENVER WEATHER HISTORY SINCE 1872:

INCHES
3.21 - 1946
2.67 - 1991
2.63 - 1983
2.13 - 2015
1.95 - 1922
1.93 - 1886
1.88 - 1975
1.74 - 1908
1.69 - 1972
1.68 - 1881

ELEVEN DRIEST NOVEMBER TOTALS IN DENVER WEATHER HISTORY SINCE 1872:

INCHES
TRACE - 1949, 1901, 1899
0.01 - 1939
0.03 - 1917
0.04 - 1905, 1904
0.05 - 2003
0.07 - 1903
0.08 - 1920, 1874

SNOWFALL

SNOWFALL FOR THE MONTH WAS 4.5 INCHES OF WHICH FELL FROM A STORM ON
THE 11TH AND 12TH, A DUSTING FROM A STORM ON THE 17TH AND ANOTHER
WEAK STORM ON THE 24TH. THIS IS 4.2 INCHES BELOW THE AVERAGE MONTHLY
SNOWFALL OF 8.7 INCHES, BASED ON THE 1981 THROUGH 2010 NCEI AVERAGES.

TEN HIGHEST SNOW TOTALS FOR NOVEMBER IN DENVER WEATHER HISTORY

INCHES
42.5 - 1946
29.9 - 1991
29.3 - 1983
23.1 - 1929, 1928
22.9 - 1908
22.3 - 1979
21.3 - 1956
20.1 - 1992
19.4 - 1972

THE TEN LEAST SNOWIEST NOVEMBER`S IN DENVER WEATHER HISTORY

SNOW IS COMMON FOR THE MONTH OF NOVEMBER IN DENVER. IN 1949, NO SNOW
FALL IN DENVER MAKING IN THE ONLY SNOWLESS NOVEMBER. A TRACE WAS
MEASURED IN 2017, 2005, 1939, 1917, 1905, 1901, 1899 AND 1884. THE
10TH LEAST SNOWIEST NOVEMBER WAS 1883 WITH 0.3 INCHES.

NO THUNDER WAS OBSERVED AT DENVER INTERNATIONAL AIRPORT IN NOVEMBER
2018. THERE WERE 8 DAYS WITH FOG WITH 2 DAYS OF DENSE FOG WITH A
VISIBILITY AT OR BELOW 1/4 MILE ON THE 11TH. ONE DAY OF FREEZING
DRIZZLE WAS REPORTED ON THE 17TH WITH AND 2 DAYS WITH SMOKE, DUST OR
HAZE REPORTED ON THE 12TH AND 24TH. A PEAK WIND GUST OF 62 MPH WAS
RECORDED FROM THE NORTHWEST ON THE 24TH.
$$


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