Climatological Report (Monthly)
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000
CXUS55 KCYS 041339
CLMCHY


Climate Report
NATIONAL WEATHER SERVICE CHEYENNE WY
739 AM MDT WED OCT 4 2017

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

...The CHEYENNE WY climate summary for the month of September 2017...

Climate normal period 1981 to 2010
Climate record period 1871 to 2017

Weather         Observed          Normal  Depart  Last Year`s
                 Value   Date(s)  Value   From    Value
                                          Normal
.............................................................
Temperature (F)
Record
 High              93   09/04/1960
 Low                8   09/30/1985
Highest            92   09/03        71      21       88
Lowest             35   09/26        44      -9       35
Avg. Maximum     73.4              71.8     1.6     75.7
Avg. Minimum     46.7              44.7     2.0     45.4
Mean             60.1              58.2     1.9     60.5
Days Max >= 90      1               0.2     0.8        0
Days Max <= 32      0               0.1    -0.1        0
Days Min <= 32      0               1.7    -1.7        0
Days Min <= 0       0               0.0     0.0        0

Precipitation (inches)
Record
 Maximum         6.95   2013
 Minimum         0.00   1879
Totals           1.08              1.48   -0.40     0.80
Days >= .01         6               8.3    -2.3        8
Days >= .10         4               3.8     0.2        3
Days >= .50         0               1.0    -1.0        0
Days >= 1.00        0               0.2    -0.2        0
Greatest
 24 Hr. Total    0.42   09/23 to 09/24

DEGREE_DAYS
HEATING TOTAL     199               225     -26      158
 SINCE 7/1        230               281     -51      212
COOLING TOTAL      60                22      38       32
 SINCE 1/1        408               348      60      452

FREEZE DATES
RECORD
 EARLIEST     08/24/1910
 LATEST       06/19/1876
EARLIEST                        09/24
LATEST                          05/20
..............................................................

Wind (mph)
Average Wind Speed              9.4
Highest Wind Speed/Direction    43/300    Date  09/19
Highest Gust Speed/Direction    57/300    Date  09/19

Sky Cover
Possible Sunshine (Percent)   MM
Average Sky Cover           0.40
Number Of Days Fair           18
Number Of Days PC              6
Number of Days Cloudy          6

Average RH (Percent)     52

Weather Conditions. Number Of Days With
Thunderstorm              0     Mixed Precip               0
Heavy Rain                1     Rain                       4
Light Rain               13     Freezing Rain              0
Lt Freezing Rain          0     Hail                       0
Heavy Snow                0     Snow                       0
Light Snow                0     Sleet                      0
Fog                       9     Fog w/vis <= 1/4 mile      3
Haze                      9

-  Indicates negative numbers.
R  Indicates record was set or tied.
MM Indicates data is missing.
T  Indicates Trace Amount.
...................................

...The DOUGLAS WY AIRPORT climate summary for the month of September 2017...

Climate normal period 1981 to 2010
Climate record period 1998 to 2017

Weather         Observed          Normal  Depart  Last Year`s
                 Value   Date(s)  Value   From    Value
                                          Normal
.............................................................
Temperature (F)
Record
 High              98   09/04/2001
 Low               14   09/25/2000
Highest            94   09/03        MM      MM       91
Lowest             30   09/26        MM      MM       27
Avg. Maximum     74.6              75.0    -0.4     76.1
Avg. Minimum     41.9              41.7     0.2     44.0
Mean             58.3              58.4    -0.1     60.0
Days Max >= 90      6               2.2     3.8        2
Days Max <= 32      0               0.0     0.0        0
Days Min <= 32      3               2.7     0.3        2
Days Min <= 0       0               0.0     0.0        0

Precipitation (inches)
Record
 Maximum           MM   MM
 Minimum           MM   MM
Totals           1.04              1.23   -0.19     0.82
Days >= .01         9                MM      MM        7
Days >= .10         4                MM      MM        2
Days >= .50         0                MM      MM        0
Days >= 1.00        0                MM      MM        0
Greatest
 24 Hr. Total    0.44   09/22 to 09/23

DEGREE_DAYS
HEATING TOTAL     244               228      16      172
 SINCE 7/1        257               269     -12      217
COOLING TOTAL      50                28      22       29
 SINCE 1/1        502               486      16      209

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST      09/17             MM
LATEST                          MM
..............................................................

Wind (mph)
Average Wind Speed              7.9
Highest Wind Speed/Direction    43/300    Date  09/19
Highest Gust Speed/Direction    51/280    Date  09/19

Sky Cover
Possible Sunshine (Percent)   MM
Average Sky Cover           0.30
Number Of Days Fair           18
Number Of Days PC              9
Number of Days Cloudy          3

Average RH (Percent)     55

Weather Conditions. Number Of Days With
Thunderstorm              0     Mixed Precip               0
Heavy Rain                2     Rain                       5
Light Rain               10     Freezing Rain              0
Lt Freezing Rain          0     Hail                       0
Heavy Snow                0     Snow                       0
Light Snow                0     Sleet                      0
Fog                       9     Fog w/vis <= 1/4 mile      1
Haze                      6

-  Indicates negative numbers.
R  Indicates record was set or tied.
MM Indicates data is missing.
T  Indicates Trace Amount.
...................................

...The LARAMIE WY AIRPORT climate summary for the month of September 2017...

Climate normal period 1981 to 2010
Climate record period 1948 to 2017

Weather         Observed          Normal  Depart  Last Year`s
                 Value   Date(s)  Value   From    Value
                                          Normal
.............................................................
Temperature (F)
Record
 High              90   09/06/1978
                        09/05/1978
 Low               -2   09/30/1985
Highest            87   09/03        MM      MM       84
Lowest             25   09/26        MM      MM       24
Avg. Maximum     69.6              68.6     1.0     72.1
Avg. Minimum     38.8              37.9     0.9     39.1
Mean             54.2              53.3     0.9     55.6
Days Max >= 90      0               0.0     0.0        0
Days Max <= 32      0               0.0     0.0        0
Days Min <= 32      4               5.5    -1.5        8
Days Min <= 0       0               0.0     0.0        0

Precipitation (inches)
Record
 Maximum         3.05   2013
 Minimum         0.00   1956
Totals           0.99              1.11   -0.12     0.77
Days >= .01        11               7.1     3.9        8
Days >= .10         4               3.0     1.0        2
Days >= .50         0               0.5    -0.5        0
Days >= 1.00        0               0.0     0.0        0
Greatest
 24 Hr. Total    0.32   09/24 to 09/24

DEGREE_DAYS
HEATING TOTAL     318               353     -35      277
 SINCE 7/1        430               525     -95      443
COOLING TOTAL       1                 1       0        4
 SINCE 1/1        101                67      34      119

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST      09/17             MM
LATEST                          MM
..............................................................

Wind (mph)
Average Wind Speed              10.1
Highest Wind Speed/Direction    40/250    Date  09/19
Highest Gust Speed/Direction    53/260    Date  09/17

Sky Cover
Possible Sunshine (Percent)   MM
Average Sky Cover           0.40
Number Of Days Fair           15
Number Of Days PC             11
Number of Days Cloudy          4

Average RH (Percent)     56

Weather Conditions. Number Of Days With
Thunderstorm              0     Mixed Precip               0
Heavy Rain                3     Rain                       4
Light Rain               16     Freezing Rain              0
Lt Freezing Rain          0     Hail                       0
Heavy Snow                0     Snow                       0
Light Snow                2     Sleet                      0
Fog                       4     Fog w/vis <= 1/4 mile      1
Haze                      5

-  Indicates negative numbers.
R  Indicates record was set or tied.
MM Indicates data is missing.
T  Indicates Trace Amount.
...................................

...The RAWLINS WY AIRPORT climate summary for the month of September 2017...

Climate normal period 1981 to 2010
Climate record period 1951 to 2017

Weather         Observed          Normal  Depart  Last Year`s
                 Value   Date(s)  Value   From    Value
                                          Normal
.............................................................
Temperature (F)
Record
 High              95   09/04/1998
 Low                8   09/30/1985
Highest            88   09/03        MM      MM       88
Lowest             27   09/26        MM      MM       25
Avg. Maximum     69.9              70.7    -0.8     71.4
Avg. Minimum     41.5              40.1     1.4     40.7
Mean             55.7              55.4     0.3     56.1
Days Max >= 90      0               0.2    -0.2        0
Days Max <= 32      0               0.1    -0.1        0
Days Min <= 32      3               4.3    -1.3        7
Days Min <= 0       0               0.0     0.0        0

Precipitation (inches)
Record
 Maximum         3.64   1965
 Minimum            T   2010
Totals           1.20              0.97    0.23     0.65
Days >= .01         8               6.9     1.1        9
Days >= .10         5               2.9     2.1        2
Days >= .50         0               0.3    -0.3        0
Days >= 1.00        0               0.0     0.0        0
Greatest
 24 Hr. Total    0.33   09/19 to 09/19

DEGREE_DAYS
HEATING TOTAL     293               293       0      275
 SINCE 7/1        320               386     -66      366
COOLING TOTAL      22                 5      17       15
 SINCE 1/1        266               186      80      235

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST      09/17             MM
LATEST                          MM
..............................................................

Wind (mph)
Average Wind Speed              9.6
Highest Wind Speed/Direction    36/210    Date  09/21
Highest Gust Speed/Direction    46/220    Date  09/21

Sky Cover
Possible Sunshine (Percent)   MM
Average Sky Cover           0.30
Number Of Days Fair           20
Number Of Days PC              6
Number of Days Cloudy          4

Average RH (Percent)     53

Weather Conditions. Number Of Days With
Thunderstorm              0     Mixed Precip               0
Heavy Rain                1     Rain                       4
Light Rain               13     Freezing Rain              0
Lt Freezing Rain          0     Hail                       0
Heavy Snow                0     Snow                       1
Light Snow                1     Sleet                      0
Fog                       7     Fog w/vis <= 1/4 mile      2
Haze                      5

-  Indicates negative numbers.
R  Indicates record was set or tied.
MM Indicates data is missing.
T  Indicates Trace Amount.
...................................

...The TORRINGTON WY AIRPORT climate summary for the month of September 2017...

Climate normal period 1981 to 2010
Climate record period 1998 to 2017

Weather         Observed          Normal  Depart  Last Year`s
                 Value   Date(s)  Value   From    Value
                                          Normal
.............................................................
Temperature (F)
Record
 High             100   09/06/2013
 Low               20   09/29/1999
Highest            98   09/03        MM      MM       93
Lowest             35   09/27        MM      MM       32
                        09/26
Avg. Maximum     77.9              77.3     0.6     79.9
Avg. Minimum     46.8              44.2     2.6     46.6
Mean             62.3              60.7     1.6     63.3
Days Max >= 90      8               4.3     3.7        5
Days Max <= 32      0               0.0     0.0        0
Days Min <= 32      0               1.8    -1.8        1
Days Min <= 0       0               0.0     0.0        0

Precipitation (inches)
Record
 Maximum           MM   MM
 Minimum           MM   MM
Totals           0.93              1.37   -0.44     0.89
Days >= .01         7                MM      MM        6
Days >= .10         4                MM      MM        4
Days >= .50         0                MM      MM        0
Days >= 1.00        0                MM      MM        0
Greatest
 24 Hr. Total    0.28   09/23 to 09/23

DEGREE_DAYS
HEATING TOTAL     163               172      -9      105
 SINCE 7/1        169               194     -25      122
COOLING TOTAL      92                45      47       58
 SINCE 1/1        777               678      99      819

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          MM
..............................................................

Wind (mph)
Average Wind Speed              7.4
Highest Wind Speed/Direction    37/320    Date  09/19
Highest Gust Speed/Direction    47/300    Date  09/19

Sky Cover
Possible Sunshine (Percent)   MM
Average Sky Cover           0.30
Number Of Days Fair           19
Number Of Days PC              8
Number of Days Cloudy          3

Average RH (Percent)     56

Weather Conditions. Number Of Days With
Thunderstorm              0     Mixed Precip               0
Heavy Rain                2     Rain                       3
Light Rain                9     Freezing Rain              0
Lt Freezing Rain          0     Hail                       0
Heavy Snow                0     Snow                       0
Light Snow                0     Sleet                      0
Fog                      10     Fog w/vis <= 1/4 mile      2
Haze                      8

-  Indicates negative numbers.
R  Indicates record was set or tied.
MM Indicates data is missing.
T  Indicates Trace Amount.

$$


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