Climatological Report (Annual)
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000
CXUS53 KCYS 011820
CLAAIA

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
1120 AM MST SAT JAN 01 2022

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

...THE ALLIANCE NEBRASKA AIRPORT CLIMATE SUMMARY FOR THE YEAR OF 2021...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1896 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            110   07/19/1983
 LOW             -42   12/22/1989
HIGHEST          103   06/23         MM      MM      103  08/25
                       07/28
                                                          09/05
LOWEST           -28   02/14         MM      MM      -14  10/26
AVG. MAXIMUM    64.2               61.7     2.5     64.4
AVG. MINIMUM    31.7               30.7     1.0     30.5
MEAN            47.9               46.2     1.7     47.5
DAYS MAX >= 90    62               43.0    19.0       61
DAYS MAX <= 32    22               34.7   -12.7       25
DAYS MIN <= 32   199              195.6     3.4      213
DAYS MIN <= 0     14               19.1    -5.1       11

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       22.93   2015
 MINIMUM        3.99   2002
TOTALS         12.88              14.88   -2.00     7.82
DAILY AVG.         T               0.04   -0.04        T
DAYS >= .01       61               78.8   -17.8       55
DAYS >= .10       27               33.2    -6.2       22
DAYS >= .50        7                8.4    -1.4        2
DAYS >= 1.00       3                2.1     0.9        1
GREATEST
 24 HR. TOTAL   2.30   0MM01 TO 09/01               1.10
 STORM TOTAL    2.30                                0.10
 (MM/DD(HH))            MM


DEGREE DAYS
HEATING TOTAL   6875               7395    -520     6960
 SINCE 7/1      2427               3060    -633       MM
COOLING TOTAL    806                561     245      764
 SINCE 1/1       806                561     245       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.6
HIGHEST WIND SPEED/DIRECTION    68/340    DATE  07/09
HIGHEST GUST SPEED/DIRECTION    86/340    DATE  07/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.26
NUMBER OF DAYS FAIR          249
NUMBER OF DAYS PC             80
NUMBER OF DAYS CLOUDY         36

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             41     MIXED PRECIP               1
HEAVY RAIN               14     RAIN                      16
LIGHT RAIN               68     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                3     SNOW                      11
LIGHT SNOW               45     SLEET                      0
FOG                     136     FOG W/VIS <= 1/4 MILE     23
HAZE                     63

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

$$


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