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Climate Summaries

2014 Precipitation and Percent of Normal for Selected Stations

Station Name:
Airports
Drought
Conditions

Jan
2014
Feb
2014
Mar
2014
Apr
2014
May
2014
Jun
2014
Jul
2014
Aug
2014
Sep
2014
Oct
2014
Nov
2014
Dec
2014
    Total for
2014
 click on location   D0 D1                              
 for graph D2 D3 D4                              
Big Piney  None 0.02
0.02
0.12
0.25
 0.74 0.18
0.44
1.60
1.16
0.19 0.05       4.67
1981-2010 Normals
 0.31  0.35  0.44  0.53  0.84  0.79  0.71  0.69  0.78  0.53  0.21  0.30      6.18
Percent of Normal 
 6  6  27  47 88
 23  62  232 149
 17 24        76
                               
Buffalo None 0.21
0.15 0.61 1.11 1.68 2.91  0.94 2.60 1.10 0.21 0.34     11.86
1981-2010 Normals  0.42  0.35  0.92  1.30  2.53  2.28  1.66  0.81  1.31  0.93  0.54  0.40      13.05
  Percent of Normal   50 43  66  85  66 128 57  321 84
 23  63        91
                               
Casper   None  0.74 0.74 1.64 1.15 0.49 1.35  1.17  1.10 0.64 1.05 0.81     10.88
1981-2010 Normals  0.51 0.57  0.82  1.29  2.02  1.61  1.41  0.85  1.08  1.11  0.76  0.49      12.03
  Percent of Normal   145  130  200  89  24  84  83  129  59  95  107        90
Snowfall  14.2  11.5  18.7  5.8  0.9  0.0  0.0  0.0  1.0  3.2  10.6     65.9
1981-2010 Normals 9.1
9.8
10.9
11.6
2.9
0.1
0.0
0.0
1.8
7.4
 10.3 11.0
    63.9
  Percent of Normal   156  117  172  50  31  0  0  0  56  43  103        103
                               
Evanston   None  0.03 T
0.08 0.22 0.84 1.20 0.99 2.25 3.52 0.11  0.59     9.83
  1981-2010 Normals 0.54 0.61 0.86 1.15 1.77 1.24 0.90 0.96 1.31 1.17 1.04 0.58      11.55
  Percent of Normal   6  0  9  19  47  97  110  234  269  9  57        85
                               
Greybull   None  0.04 0.22 0.18 0.71 0.55 0.94
0.21 1.01 0.86 0.01 0.59     5.32
  1981-2010 Normals  0.23  0.18  0.40  0.71  1.65  1.20  0.66  0.42  0.88  0.60  0.30  0.28      7.23
  Percent of Normal   17  122  45  100  33  78  32  240  98  2  197        74
                               
Station Name:
Airports
Drought
Conditions

Jan
2014
Feb
2014
Mar
2014
Apr
2014
May
2014
Jun
2014
Jul
2014
Aug
2014
Sep
2014
Oct
2014
Nov
2014
Dec
2014
    Total for
2014
Lander  None  0.61 0.19 1.18 0.70 1.51 0.60 0.62 1.61 1.79 0.50 0.59     9.90
  1981-2010 Normals  0.41  0.58  1.16  1.87  2.20  1.27  0.78 0.61  1.05  1.29  0.86  0.58     12.08
  Percent of Normal   149  33  102  37  69 47 79 264  170  39 69        82
Snowfall  8.9  3.8  13.9  4.3  2.2  0.0 0.0 0.0  T  T  8.9       42.0
1981-2010 Normals 7.6
10.3
16.1
16.8
4.8
0.1
0.0
0.0
2.7
9.8
 13.1 10.1
     81.3
  Percent of Normal   117  37  86  26  46  0  0  0  0  0  68       52
                               
Riverton  None  0.68 0.22 0.50 0.22 0.70 1.12 0.78 1.15 0.81 0.16 0.42      6.76
  1981-2010 Normals  0.24  0.27  0.55  1.30  1.72  1.28  0.89  0.57  0.90  0.89  0.50  0.32      9.11
  Percent of Normal   283  81  91  17  41  88  88  202  90 18
 84        74
Snowfall  11.1  5.0  3.4  0.5  2.7  0.0 0.0  0.0  0.3 T
 5.2
     28.2
                               
Rock Springs  None  0.07 0.08 0.43 0.24
0.49 0.29 0.36 0.52 1.20 0.32  0.13     4.13
 1981-2010 Normals  0.45  0.48  0.68  0.91  1.21  0.79  0.64  0.62  0.92  0.87  0.49  0.50      8.06
  Percent of Normal   16  17  63  26  40  37  56 84 130 37  27        51
                               
Sheridan   None
 0.64 1.21 1.69 1.54 1.73 2.20 1.01 1.05 1.63 0.16 1.49       14.35
  1981-2010 Normals  0.56  0.54  0.98  1.60  2.35 2.12  1.18  0.72  1.43  1.41  0.71  0.56      13.60
  Percent of Normal   114  224  172  96  74  104  86  146  114  11  210        106
                               
Worland None  0.25 0.13 0.40 0.29 1.14 1.62  0.25 1.51 1.13 0.27 0.57        7.56
  1981-2010 Normals  0.23 0.19 0.46 0.86 1.42 1.15 0.71 0.43 0.85 0.69 0.35 0.23      7.34
  Percent of Normal   109  68  87  34  80  141  35 351  133  39  163        103
                               
Station Name:
COOPS
Drought
Conditions

Jan
2014
Feb
2014
Mar
2014
Apr
2014
May
2014
Jun
2014
Jul
2014
Aug
2014
Sep
2014
Oct
2014
Nov
2014
Dec
2014
    Total for
2014
                               
                               
Afton  None  1.16 2.40 1.53 1.61 0.72  1.38 0.46 3.30 3.44 0.65 1.56     18.21
  1981-2010 Normals 1.40 1.09 1.40 1.54 2.26 1.97 1.43 1.25 1.46 1.63 2.04 1.25     16.91
  Percent of Normal   83  220  109  105 32  70  32  264  236  40  105        108
Snowfall  17.3  29.0  11.3  4.8  1.0  0.0  0.0  0.0  0.0  0.2  13.9       77.5
                               
Bitter Creek 4NE None  0.27 0.35 0.68 0.20 0.58 0.11  0.33 2.23 1.61 0.17 0.53       7.06
  1981-2010 Normals 0.28 0.36 0.30 0.65 1.09 0.70 0.60 0.75 0.73 0.66 0.31 0.51      6.43
  Percent of Normal   96  97  227  31 53  16  55 297  221  26  171        110
                               
Cody  None  0.93 1.78 0.55 2.52 1.25 2.69 0.27 2.30 1.05 0.42 1.54     15.30
  1981-2010 Normals 0.33 0.33 0.56 1.06 1.82 1.68 1.11 0.91 1.06 0.89 0.48 0.33      10.23
  Percent of Normal   282  539  98  238 69  160  24  253  99  47  321        150
Snowfall  20.0  29.0  3.3  12.0 0.0  0.0  0.0  0.0  4.0  0.0  19.0       87.3
1981-2010 Normals 7.8 6.7
6.9 6.3 0.8 0.0 0.0 0.0 0.2 4.3 6.3 8.0     39.3
  Percent of Normal   256  433  48  190  0  0  0  0  2000  0  302        222
                               
Dubois  None 0.35
1.12  0.64 0.61 1.55 1.01  1.40  1.77 1.76 0.40 1.00      11.61
  1981-2010 Normals 0.24 0.38 0.40 1.10 1.64 1.28 1.11 0.86 1.24 0.81 0.57 0.28      9.63
  Percent of Normal   146  295  160  55  95  79  126  206  142  49  175
     121
Snowfall  7.2  25.6  13.6  6.0  10.5 T  0  0  T  1.0  13.5       77.4
1981-2010 Normals 3.9 5.7 6.0 8.5 3.9 0.6 0.0 0.0 2.6 3.0 5.8
5.1     40.0
  Percent of Normal   185  449  227  71  269  0  0  0  0  33  233       194
                               
Fossil Butte
National Monument
  None  0.39 1.35 0.71 0.58 1.04 1.69  1.23 3.41 3.73 0.52  0.55      15.20
1981-2010 Normals 0.49 0.68 0.82 0.98 1.41 1.03 0.85 0.93 1.10 1.11 0.86 0.74      10.26
  Percent of Normal   80  199  87  59  74 164  145 367  339  47  64        148
Snowfall  8.4  20.5  8.7  6.6  3.5 T  0.0 0.0  0.0  T  7.8        56.0
                               
Green River
 None  0.05 0.35
1.05 0.40 1.35 0.57 1.21  2.10 2.37 0.36 0.38        10.19
  1981-2010 Normals  0.34  0.43 0.71  0.85 1.23 0.98 0.55  0.68  0.90 0.81 0.41 0.44      7.89
  Percent of Normal   15  81  148  47  110 58  220 309  263  44  93        129
Snowfall  1.6  3.5  2.5  1.0  3.0 T  0.0  0.0  0.0  0.0  T        11.6
1981-2010 Normals 4.6 7.3 5.0 3.9 0.6 0.0 0.0 0.0 0.0 0.5 3.8 6.5     25.7
Percent of Normal
 35  48  50  26  500  0  0  0  0  0  0        45
                               
Station Name:
COOPS
Drought
Conditions

Jan
2014
Feb
2014
Mar
2014
Apr
2014
May
2014
Jun
2014
Jul
2014
Aug
2014
Sep
2014
Oct
2014
Nov
2014
Dec
2014
    Total for
2014
Jeffrey City  None 0.39
0.13 1.13 0.64 1.47 0.52  0.47 2.83 0.79 0.11 0.21      8.73
  1981-2010 Normals  0.31  0.41 0.86  1.27 1.85 1.15 0.89  0.60  0.80 0.91 0.59 0.42      9.64
  Percent of Normal   126  32  131  50  79  45  53  472  99  12  36
     91
Snowfall  5.0  2.0  14.0  6.0  10.0  0.0  0.0 0.0  T  0.0  2.1       37.6
1981-2010 Normals 4.6 6.7 9.4 10.2 4.9 0.4 0.0 0.0 1.4 7.3 6.6 5.5      51.5
  Percent of Normal   109  30  149  59  204  0  0  0  0  0  32        73
                               
Kaycee  None  0.16 0.38  0.71 1.39 0.16 2.60  1.05 2.70 0.85 0.51 0.56      11.07
  1981-2010 Normals 0.30 0.34 0.74 1.46 2.37 1.84 1.42 0.80 1.18 1.04 0.57 0.31      12.06
  Percent of Normal   53  112  96  95  7  141 74  338  72 49  98      92
Snowfall  3.2  7.1  2.0  0.1  0.0  0.0 0.0  0.0  0.1  T  8.5       21.0
1981-2010 Normals 5.9 6.3 8.0 4.7 0.6 0.1 0.0 0.0 0.2 1.5 4.2
6.0     31.5
  Percent of Normal   54  113  25  2  0  0  0  0  50  0  202       67
                               
Moose
  None  1.78 4.48 4.77 1.72 0.60 2.05 0.91 2.61 2.13 0.54 3.55      25.14
  1981-2010 Normals 2.58 1.82 1.62 1.49 1.88 1.61 1.29 1.29 1.44 1.47 2.64 2.67      19.13
  Percent of Normal   69  246  294  115 32  127 71 202  148  37  134        131
Snowfall  29.8  48.3  49.5  8.3  0.0  0.0 0.0 0.0  0.0  T  43.3        179.2
1981-2010 Normals 36.9 26.6 15.9 7.4 2.2 0.0 0.0 0.0 0.2 4.8 24.1 44.7      118.1
  Percent of Normal   81 182
 311  112  0  0  0  0  0  0  180       152
                               
Old Faithful
 None  1.89 2.90 6.43 3.05  2.44 3.21 0.37 4.00  2.20 1.73 2.49     30.71
  1981-2010 Normals  2.11 1.99
2.21
2.21
2.80
2.47
1.55
1.46
1.46
1.66 2.29 3.16      22.21
  Percent of Normal   90 146
291  138  87  130  24  274  151  104  109
     138
Snowfall 21.0
46.0  76.5  20.0  1.2  0.6  0.0  0.0  0.0  2.0  20.0
     187.3
1981-2010 Normals 37.5 31.1 26.8 19.3 7.3 1.2 0.0 0.0 1.4 7.7 31.7 43.8      164.0
  Percent of Normal   56 148  285  104  16  50  0  0  0  26  63
     114
                               
Powell Field Station
  None  0.18 0.65 0.15 1.29 0.26 1.59 0.29 1.17 0.45 0.22 0.43      6.68
  1981-2010 Normals 0.21 0.13 0.29 0.51 1.40 1.35 0.87 0.52  0.65 0.56 0.18 0.13      6.67
  Percent of Normal  86  500  52  253 19  118  33  225  69  39  239
    100
Snowfall  3.0  10.7  1.0  3.0  0.0  0.0  0.0  0.0  0.0  0.0  3.8
    21.5
1981-2010 Normals 2.3
0.5
2.5
0.5
0.5
0.0
0.0
0.0
0.1
 1.2 1.3
1.2
    8.9
  Percent of Normal   130 2140  40  600  0  0  0  0  0  0  292
     242
                               
Riverton (downtown)
 None 0.63
0.14 0.49 0.32 1.07 1.62 0.64 1.11 0.85 0.18  0.41     7.46
  1981-2010 Normals 0.28 0.33 0.56 0.98 1.45 1.21 0.78 0.50 0.83 0.85 0.41 0.24      8.18
  Percent of Normal   225 42  88  33 74  134  82  222  102  21  100
     91
Snowfall  10.1  4.9 5.5  2.9  2.5  T  0.0  0.0  0.3  T  7.8
    34.0
1981-2010 Normals  4.8  6.0  5.9  6.1 1.2 0.0 0.0 0.0 0.3 3.7 4.3 4.8     32.3
  Percent of Normal   210  82  93  48  208  0  0  0  100  0  181
    105
                               
Thermopolis   None  0.46 0.20  0.54 0.51 0.99 1.38  0.27 2.74 1.75 0.22 0.37      9.43
  1981-2010 Normals 0.35 0.45 0.87 1.46 1.86 1.51 0.88 0.58 1.23 1.26 0.80 0.46      11.25
  Percent of Normal   131  44  62  35  53  91  31 472  142  17  46        84
Snowfall  6.5  4.5  1.0  5.0  0.0  0.0  0.0  0.0  0.0  0.0  9.0
     26.0
1981-2010 Normals 5.6
 4.6 2.5
2.8
0.4
0.0
0.0
0.0
0.2
2.4
3.7
4.5
    22.2
  Percent of Normal   116  98  40  179  0  0  0 0  0  0  243
     117

Drought Classifications on December 2, 2014     |      XX.X / M - Data partially or completely missing

Wyoming Climate      |      Click on Image to Enlarge
Statewide averages and ranks for periods including November 2014 will be available on December 8, 2014*
* 2014 Climate Monitoring Release Dates

Last Month

Precipitation - Percent of Normal Temperature - Departure from Normal
Wyoming: Last Month Percent of Normal Precipitation Wyoming: Last Month Departure from Normal Temperature
 Statewide Average (inches)
1.39
 Statewide Average (°F) 27.5
 20th Century Average 1.03  20th Century Average 29.0
 Rank - Driest to Wettest (120 Years)  95th  Rank - Warmest to Coldest (120 Years) 84th
 Driest Month on Record: November 1939
0.02   Warmest Month on Record: November 1999 38.8
 Wettest Year on Record: November 1942 2.40   Coldest Month on Record: November 1985 19.1

Last 3 Months

Precipitation - Percent of Normal Temperature - Departure from Normal
Wyoming: Last Three Months Percent of Normal Precipitation Wyoming: Last 3 Months Departure from Normal Temperature
 Statewide Average (inches)
3.88
 Statewide Average (°F) 43.3
 20th Century Average 3.47
 20th Century Average 41.7
 Rank - Driest to Wettest (120 Years) 86th  Rank - Warmest to Coldest (120 Years)  24th
 Driest Period on Record: Sep - Nov 1952 1.06
 Warmest Period on Record: Sep - Nov 1963 46.9
 Wettest Period on Record: Sep - Nov 2013 5.97  Coldest Period on Record: Sep - Nov 1985 36.5

2014

Precipitation - Percent of Normal Temperature - Departure from Normal
Wyoming: 2014 Percent of Normal Precipitation Wyoming: 2014 Departure from Normal Temperature
 Statewide Average (inches)
16.65
Statewide Average (°F) 43.5
 20th Century Average 14.93
20th Century Average 42.6
 Rank - Driest to Wettest (120 Years)  94th Rank - Warmest to Coldest (120 Years) 33rd
 Driest Period on Record: Jan - Nov 2012 9.77
 Warmest Period on Record: Jan - Nov 2012
 46.9
 Wettest Period on Record: Jan - Nov 1927 19.39  Coldest Period on Record: Jan - Nov 1929, 1912
39.7

2014-2015 Water Year

Precipitation - Percent of Normal Temperature - Departure from Normal
Wyoming: 2014-2015 Water Year Percent of Normal Precipitation Wyoming: 2014-2015 Water Year Departure from Normal Temperature
 Statewide Average (inches)
1.96
 Statewide Average (°F) 37.1
 20th Century Average 2.23
 20th Century Average 35.8
 Rank - Driest to Wettest (120 Years)  42nd  Rank - Warmest to Coldest (120 Years)  38th
 Driest Periods on Record: Oct - Nov 1933
0.72
 Warmest Period on Record: Oct - Nov 1999  41.9
 Wettest Period on Record: Oct - Nov 1942  4.32   Coldest Period on Record: Oct - Nov 1919 28.2

Last 12 Months

Precipitation - Percent of Normal Temperature - Departure from Normal
Wyoming: Last 12 Months Percent of Normal Precipitation Wyoming: Last 12 Months Departure from Normal Temperature
 Statewide Average (inches)
17.80
 Statewide Average (°F) 41.4
 20th Century Average 15.94
 20th Century Average 40.8
 Rank - Driest to Wettest (120 Years) 92nd  Rank - Warmest to Coldest (120 Years) 41st
 Driest Period on Record: Dec 2011 - Nov 2012 10.61
 Warmest Period on Record: Dec 1933 - Nov 1934
 45.1
 Wettest Period on Record: Dec 1926 - Nov 1927 20.23  Coldest Period on Record: Dec 1916 - Nov 1917 37.6

Last 5 Years (Dec 2009 - Nov 2014)

Precipitation - Percent of Normal Temperature - Departure from Normal
Map Not Available For This Period Map Not Available For This Period
 Statewide Average (inches)
80.56
 Statewide Average (°F) 42.1
 20th Century Average 79.56
 20th Century Average 40.7
 Rank - Driest to Wettest (120 Years) 71st
 Rank - Warmest to Coldest (120 Years) 12th
 Driest Period on Record: Dec 1930 - Nov 1935
66.95  Warmest Period on Record: Dec 2002 - Nov 2007
43.1
 Wettest Period on Record: Dec 1994 - Nov 1999 91.08  Coldest Period on Record: Dec 1912 - Nov 1917 39.3


 

 


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