...THE DENVER CO CLIMATE SUMMARY FOR THE MONTH OF MAY 2016...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2016
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 95 05/26/1942
LOW 19 05/02/2013
05/03/1907
01/01/2000
HIGHEST 83 05/21 95 -12 85 05/31
LOWEST 28 05/02 19 9 27 05/10
05/09
AVG. MAXIMUM 66.9 71.5 -4.6 63.3
AVG. MINIMUM 41.9 42.7 -0.8 42.7
MEAN 54.4 57.1 -2.7 53.0
DAYS MAX >= 90 0 0.8 -0.8 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 3 1.9 1.1 3
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 8.57 1876
MINIMUM 0.06 1974
TOTALS 2.38 2.12 0.26 3.76
DAILY AVG. 0.08 0.07 0.01 0.12
DAYS >= .01 13 9.4 3.6 19
DAYS >= .10 4 4.8 -0.8 10
DAYS >= .50 1 1.2 -0.2 2
DAYS >= 1.00 1 0.2 0.8 1
GREATEST
24 HR. TOTAL 1.38 05/26 TO 05/27 05/08 TO 05/09
05/09 TO 05/09
05/09 TO 05/09
STORM TOTAL MM MM
(MM/DD(HH)) MM 05/09(00) TO 05/09(00)
05/09(00) TO 05/09(00)9
05/09(00) TO 05/09(00)9
SNOWFALL (INCHES)
RECORDS
TOTAL MM MM
TOTALS T 1.1
DEGREE_DAYS
HEATING TOTAL 326 265 61 367
SINCE 7/1 5556 5996 -440 5572
COOLING TOTAL 3 21 -18 4
SINCE 1/1 3 22 -19 4
FREEZE DATES
RECORD
EARLIEST 09/08/1962
LATEST 06/08/2007
EARLIEST 10/07
LATEST 05/05
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 10.2
RESULTANT WIND SPEED/DIRECTION 2/154
HIGHEST WIND SPEED/DIRECTION 39/200 DATE 05/08
HIGHEST GUST SPEED/DIRECTION 47/300 DATE 05/29
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.60
NUMBER OF DAYS FAIR 4
NUMBER OF DAYS PC 18
NUMBER OF DAYS CLOUDY 9
AVERAGE RH (PERCENT) 60
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 5
LIGHT RAIN 17 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 2
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 1 SLEET 0
FOG 10 FOG W/VIS <= 1/4 MILE 2
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
............MAY 2016 WETTER AND COOLER THAN NORMAL............
A SERIES OF UPPER LEVEL STORM SYSTEMS THAT TRACKED ACROSS COLORADO
DURING THE MONTH RESULTED IN COOLER THAN NORMAL TEMPERATURES AND
ABOVE NORMAL PRECIPITATION IN DENVER.
THE MONTH STARTED OUT ON THE COOL SIDE WITH SOME LIGHT SNOW IN
DENVER ON THE FIRST. WARMER AND DRIER WEATHER RETURNED BY THE
3RD...AS A LARGE UPPER LEVEL RIDGE OF HIGH PRESSURE BUILT OVER THE
WESTERN HALF OF THE UNITED STATES. A COLD FRONT MOVED INTO
NORTHEASTERN COLORADO ON THE 7TH...BRINGING COOLER TEMPERATURES TO
THE REGION. UPSLOPE FLOW AND INCREASED MOISTURE BEHIND THE
FRONT...COMBINED WITH LIFT FROM AN UPPER LEVEL LOW CENTERED OVER
SOUTHERN NEVADA...HELPED PRODUCE SEVERE WEATHER ACROSS PORTIONS OF
NORTHEASTERN COLORADO. A COUPLE OF TORNADOES WERE REPORTED IN MORGAN
COUNTY...WITH LARGE HAIL EAST OF DENVER. DESPITE ALL OF THE
WEATHER...DENVER INTERNATIONAL AIRPORT ONLY MANAGED TO RECEIVE 0.02
INCHES OF PRECIPITATION FROM THIS SYSTEM.
COOL UNSETTLED WEATHER CONTINUED THROUGH THE 10TH...AS THE UPPER
LEVEL TROUGH SLOWLY MOVED ACROSS THE STATE. WARMER AND DRIER WEATHER
BRIEFLY RETURNED ON THE 12TH AND 13TH AS AN UPPER LEVEL RIDGE OF
HIGH PRESSURE MOVED OVER THE ROCKY MOUNTAIN REGION. ANOTHER COLD
FRONT BROUGHT COOLER TEMPERATURES ON THE 14TH AND 15TH WITH ONLY
LIGHT PRECIPITATION ACROSS THE FRONT RANGE OF COLORADO. ON THE
16TH...COLDER TEMPERATURES AND INCREASED PRECIPITATION MOVED INTO
NORTH CENTRAL AND NORTHEASTERN COLORADO AS AN UPPER LEVEL LOW
PRESSURE SYSTEM DEEPENED OVER THE GREAT BASIN. DENVER INTERNATIONAL
AIRPORT RECEIVED JUST OVER ONE QUARTER INCH OF PRECIPITATION
...WITH SNOW OVER THE FOOTHILLS AND ALONG THE CHEYENNE RIDGE NORTH
OF DENVER. ON THE 20TH...A LARGE UPPER LEVEL LOW PRESSURE SYSTEM
DEEPENED OVER THE PACIFIC NORTHWEST...WITH AN UPPER LEVEL RIDGE OF
HIGH PRESSURE OVER THE CENTRAL PLAINS STATES. A SOUTHWEST FLOW ALOFT
BETWEEN THESE TWO SYSTEMS BROUGHT DRY WEATHER AND ABOVE NORMAL
TEMPERATURES TO THE AREA FROM THE 20TH THROUGH THE 22ND.
ON THE 24TH...A MOIST SOUTHEASTERLY FLOW COMBINED WITH AN UPPER
LEVEL DISTURBANCE BROUGHT SEVERE WEATHER TO NORTHEASTERN COLORADO.
STRONG THUNDERSTORM WINDS AND A FEW TORNADOES CAUSED DAMAGE ACROSS
PORTIONS OF WASHINGTON AND EASTERN ADAMS COUNTIES...WITH LARGE HAIL
ACROSS METRO DENVER AND AREAS TO THE EAST. PORTIONS OF EASTERN
COLORADO SAW MORE SEVERE WEATHER AND HEAVY RAIN ON THE 26TH...AS AN
UPPER LEVEL LOW PRESSURE SYSTEM TRACKED ACROSS SOUTHERN COLORADO.
MANY LOCATIONS EAST OF DENVER MEASURED ONE TO TWO INCHES OF
PRECIPITATION...WITH OVER 4 INCHES IN CENTRAL ARAPAHOE COUNTY.
DENVER INTERNATIONAL AIRPORT MEASURED 1.15 INCHES OF PRECIPITATION
WHICH SET A NEW DAILY PRECIPITATION RECORD.
THE LAST WEEK OF THE MONTH BROUGHT SOME SEVERE WEATHER TO THE
REGION. PORTIONS OF THE EASTERN PLAINS SAY HAIL UP TO PING PONG BALL
SIZE ALONG WITH GUSTY WINDS AND A FEW TORNADOES. ON THE 24TH THE
FIRST TORNADO WAS REPORTED IN NE ADAMS COUNTY AROUND 5:48 PM WITH
TWO MORE REPORTED NEAR AKRON BY 6:44 PM. A STRONGER EF-1 TORNADO
DEVELOPED NEAR 6:50 PM AS THE STORM TRACKED NEAR PLATNER DAMAGING
SOME POWER POLES AND BUILDINGS.
STORMS CONTINUED THROUGH THE WEEK WITH ANOTHER TORNADO FORMING WNW
OF PEETZ TRAVELING SSW DAMAGING A FARM WORKSHOP. THE MONTH ENDED
WITH RAINSHOWERS OVER THE DENVER METRO AND PLAINS WITH TEMPERATURES
HOVERING JUST BELOW NORMAL.
TEMPERATURES:
THE AVERAGE TEMPERATURE AT DENVER INTERNATIONAL AIRPORT FOR THE
MONTH WAS 54.4 DEGREES F, WHICH WAS 2.7 DEGREES BELOW NORMAL. THE
WARMEST MAY ON RECORD OCCURRED BACK IN 1934...WITH AN AVERAGE
MONTHLY TEMPERATURE OF 64.7 DEGREES F. THE COLDEST MAY ON RECORD WAS
48.7 DEGREES F BACK IN 1917. ON THE 21ST...THE TEMPERATURE CLIMBED
TO 83 DEGREES F WHICH IS THE HIGHEST TEMPERATURE OF THE MONTH. THE
COLDEST TEMPERATURE OF 28 DEGREES F OCCURRED ON THE MORNING OF THE
2ND.
FIFTEEN WARMEST MAY`S IN DENVER WEATHER HISTORY SINCE 1872:
64.7 1934
63.2 1994
62.0 1886
61.7 1958
61.6 1974...1879
61.5 1939
61.3 1936
61.1 1875
61.0 1941...1874
60.9 1963...1956
60.8 1881
60.7 1977
FIFTEEN COLDEST MAY`S IN DENVER WEATHER HISTORY SINCE 1872:
48.7 1917
50.0 1995
50.1 1935
50.3 1907
51.4 1983
51.5 1892
52.0 1946
52.6 1967
52.7 1924
52.8 1943
52.9 1915
53.0 2015...1950...1898...1882
PRECIPITATION:
PRECIPITATION FOR THE MONTH OF MAY AT DENVER INTERNATIONAL AIRPORT
WAS 2.38 INCHES...WHICH IS 0.26 INCHES ABOVE THE NORMAL OF 2.12
INCHES. THERE WERE 13 DAYS WITH MEASURABLE PRECIPITATION DURING THE
MONTH. 1.38 INCHES OF PRECIPITATION FELL ON THE 26TH INTO THE 27TH
...WHICH IS THE GREATEST DAILY AMOUNT FOR THE MONTH. A TRACE OF SNOW
WAS MEASURED AT DENVER INTERNATIONAL AIRPORT DURING THE
MONTH...WHICH IS 1.1 INCHES BELOW NORMAL.
FIFTEEN WETTEST MAY`S IN DENVER WEATHER HISTORY SINCE 1872:
8.57 INCHES 1876
7.31 INCHES 1957
6.12 INCHES 1969
5.06 INCHES 1973
4.95 INCHES 1935
4.88 INCHES 1938...1898
4.79 INCHES 2011
4.77 INCHES 1967
4.67 INCHES 1995
4.64 INCHES 1987
4.61 INCHES 1884
4.46 INCHES 1958
4.30 INCHES 1883
4.26 INCHES 1988
FIFTEEN DRIEST MAY`S IN DENVER WEATHER HISTORY SINCE 1872:
0.06 INCHES 1974
0.09 INCHES 1886
0.15 INCHES 1899
0.22 INCHES 1919
0.34 INCHES 1977...1966
0.43 INCHES 1925
0.49 INCHES 1972
0.52 INCHES 1911
0.53 INCHES 1900
0.60 INCHES 1954...1921
0.64 INCHES 1970
0.65 INCHES 1984
0.68 INCHES 1963
FIFTEEN SNOWIEST MAY`S IN DENVER WEATHER HISTORY SINCE 1872:
15.5 INCHES 1898
13.7 INCHES 1950
13.5 INCHES 1978
13.2 INCHES 1912
12.0 INCHES 1917
10.0 INCHES 1908
9.0 INCHES 1907
8.9 INCHES 1893
8.8 INCHES 1957
8.3 INCHES 1944
8.2 INCHES 1979
7.8 INCHES 1931
7.6 INCHES 1983
7.4 INCHES 1915
7.2 INCHES 2001
THERE WERE 13 DAYS IN WHICH THUNDER WAS OBSERVED AT DENVER
INTERNATIONAL AIRPORT. THERE WERE 2 DAYS WITH DENSE FOG WITH A
VISIBILITY AT OR BELOW 1/4 MILE DURING THE MONTH. THE PEAK WIND
GUST OF 47 MPH FROM THE NORTHWEST OCCURRED ON THE 29TH.
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