Climatological Report (Annual)
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000
CXUS55 KCYS 100118
CLAAIA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
618 PM MST SAT JAN 09 2021

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

...THE ALLIANCE NEBRASKA AIRPORT CLIMATE SUMMARY FOR THE YEAR OF 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1896 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            110   07/19/1983
 LOW             -42   12/22/1989
HIGHEST          103                 MM      MM       99
LOWEST           -14                 MM      MM      -22
AVG. MAXIMUM    64.4                                58.8
AVG. MINIMUM    30.5                                29.5
MEAN            47.5               46.5     1.0     44.1
DAYS MAX >= 90    61               33.8               20
DAYS MAX <= 32    25               33.9               49
DAYS MIN <= 32   213              191.2              199
DAYS MIN <= 0     11               18.2               27

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       22.93   2015
TOTALS          7.82              15.66   -7.84    18.84
DAYS >= .01       55
DAYS >= .10       22
DAYS >= .50        2
DAYS >= 1.00       1
GREATEST
 24 HR. TOTAL   1.10


DEGREE DAYS
HEATING TOTAL   6960               7309    -349     7711
 SINCE 7/1      2851               3081    -230     3167
COOLING TOTAL    764                564     200      516
 SINCE 1/1       764                564     200      516
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.9
HIGHEST WIND SPEED/DIRECTION    55/240    DATE  06/06
HIGHEST GUST SPEED/DIRECTION    73/240    DATE  06/06

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.23
NUMBER OF DAYS FAIR          257
NUMBER OF DAYS PC             78
NUMBER OF DAYS CLOUDY         28

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             38     MIXED PRECIP               0
HEAVY RAIN                9     RAIN                      19
LIGHT RAIN               72     FREEZING RAIN              0
LT FREEZING RAIN          4     HAIL                       0
HEAVY SNOW                2     SNOW                       6
LIGHT SNOW               47     SLEET                      0
FOG                      96     FOG W/VIS <= 1/4 MILE     13
HAZE                     34

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

$$


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