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Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Western and Central Wyoming

Weather Forecast Office

2013 - Wyoming Annual Climate Summary

Weather.gov > Western and Central Wyoming > 2013 - Wyoming Annual Climate Summary
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Climate Summaries

2013 Precipitation and Percent of Normal
Station Name:
Airports		 Drought
Conditions		 Jan
2013		 Feb
2013		 Mar
2013		 Apr
2013		 May
2013		 Jun
2013		 Jul
2013		 Aug
2013		 Sep
2013		 Oct
2013		 Nov
2013		 Dec
2013		     Total for
2013
 click on location   D0 D1                              
 for graph D2 D3 D4                              
Big Piney  D0 0.07 0.09 0.03 0.25 1.26 T 0.89 0.41 0.83 0.39 0.29 0.19     4.70
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     6.48
Percent of Normal  23 26 7  47 150 0  125  59  106  74  138  63      73
                               
Buffalo None 0.48 0.13 0.08 0.83 1.61 0.95 0.11 0.23  3.34 2.25 0.12 0.24     10.37
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     13.45
  Percent of Normal  114 37 9  64  64  42  7 28  255  242  22  60     77
                               
Casper   D0 0.27 0.50 0.85 2.54 1.81 0.87 1.66 0.70  1.47 3.03 0.24 1.20     15.14
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     12.52
  Percent of Normal  53 88 104  197 90 54  118  82  136  273  32  245      121
Snowfall 4.5 9.5 10.5  39.0  3.5  0.0  0.0  0.0  4.8  16.4  3.6 15.7     107.5
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     74.9
  Percent of Normal  49 97 96  336  121  0  0  0  267  222  35  143      144
                               
Evanston   D1 0.11 0.36 0.41 0.92 0.21 T 0.20 0.16  1.48 0.96 0.18 0.06     5.05
  1981-2010 Normals 0.54 0.61 0.86 1.15 1.77 1.24 0.61 0.96 1.31 1.17 1.04 0.58     11.84
  Percent of Normal  20  59  48 80  12 0  33  17  113  82  17  10      43
                               
Greybull   None 0.28 0.14 0.09 0.38 1.01 0.40 0.32 T  1.11 1.12 T 0.03     4.88
  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     7.51
  Percent of Normal  122  78 23 54  61  33  48 0  126  187 0  11      65
                               
Station Name:
Airports		 Drought
Conditions		 Jan
2013		 Feb
2013		 Mar
2013		 Apr
2013		 May
2013		 Jun
2013		 Jul
2013		 Aug
2013		 Sep
2013		 Oct
2013		 Nov
2013		 Dec
2013		     Total for
2013
Lander  None 0.70 1.28 0.42 3.14 1.98 0.05 0.28 0.01  3.78 3.08 0.13 0.69     15.54
  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     12.66
  Percent of Normal  171 221  36 168  90 4  36 2  360  239  15  119      123
Snowfall 12.7 23.8 5.1  43.3  10.5 0.0  0.0  0.0  4.1  21.9  3.5  13.1      138.0
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     91.4
  Percent of Normal  167 231 32  258  219 0  0  0  152  223  27  130     151
                               
Riverton  None 0.11 0.54 0.11 1.30 1.38 0.05 0.54 0.03  3.01 1.94 0.03 0.28     9.32
  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     9.43
  Percent of Normal  46 200 20  100  80 4 61  5  334  218  6  88      99
Snowfall 2.7 8.8 1.1  15.9  2.4 0.0 0.0  0.0 7.3  17.5  1.5  6.8     64.0
                               
Rock Springs  D0 0.05 0.32 0.19 0.37 0.56 T  0.21 0.50  1.37 0.86 0.03 0.18     4.64
 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     8.56
  Percent of Normal  11 67 28 41 46 0 33  81  149  99  6  36      54
                               
Sheridan   None  0.96 0.79 0.27 2.27 3.03 2.19 0.43 0.05  4.26 2.47 0.17  1.12     18.01
  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     14.16
  Percent of Normal  171 146 28  142  129 103 36  7 298  175  24  200      127
                               
Worland None 0.13 0.26 0.20 0.98 1.12 0.09 0.30 0.13  2.63 1.78 0.12  0.12     7.86
  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     7.57
  Percent of Normal   57 137 43  114  79 8  42  30  309  258  34  52      104
                               
Station Name:
COOPS		 Drought
Conditions		 Jan
2013		 Feb
2013		 Mar
2013		 Apr
2013		 May
2013		 Jun
2013		 Jul
2013		 Aug
2013		 Sep
2013		 Oct
2013		 Nov
2013		 Dec
2013		     Total for
2013
 click on location   D0 D1                              
 for graph D2 D3 D4                              
Afton   D0 0.84 0.68 1.30 2.00 2.43 0.10 1.53 0.40  2.81 2.98 0.71 0.93     16.71
  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     18.16
  Percent of Normal  60 62  93 130  108 5 107  32  192  183 48  74      92
Snowfall 16.8 15.3 13.7  7.0  1.0 0.0 0.0  0.0  0.3  6.5  8.5  12.3      81.4
                               
Bitter Creek 4NE  D0 0.30 0.59 0.22 0.50 0.63 0.02 0.15 0.28 1.29 0.97 0.05 0.39     5.39
  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     6.94
  Percent of Normal  107  164  73 77  58  3 25  37 177  147  16  76      78
                               
Cody  None 0.30 0.19 0.31 0.95 3.22 0.35 0.76 0.38  2.54 1.41 0.30 0.42     11.13
  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     10.56
  Percent of Normal  91 58 55 90 177  21 68  42 240  158  63  127      105
Snowfall 4.0 3.0 1.0 7.2 0.0 0.0 0.0  0.0 0.0  7.0  4.0  6.5     32.7
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     47.3
  Percent of Normal  51 45 14  114 0 0  0  0 0 163  63  81     69
                               
Dubois  None 0.35 0.33 0.46 0.60 1.57 0.05 1.22 0.60  3.17 3.23 0.37 0.35     12.30
  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     9.91
  Percent of Normal  146  87 115 55 96  4  110  70 256 399  65  125     124
Snowfall 7.0 7.3 6.5 10.0 0.5 0.0 0.0  0.0  3.5 19.5  5.0  8.0     67.3
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     45.1
  Percent of Normal  179 128 108  118 13 0  0  0  135 650  86  157     149
                               
Fossil Butte
National Monument		   D0 0.19 0.66 0.39 0.64 1.33  0.06 0.49 0.71 2.77 2.14 0.43 1.08     10.89
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     11.00
  Percent of Normal  39  97 48  65  94 6 58  76  252 193  50  146     99
Snowfall 6.1 12.4  6.8 9.9 T 0.0  0.0  0.0  T 6.5  6.8  14.8     63.3
                               
Green River  D0 0.10 0.55 0.45 0.75 1.41 0.05 0.05 0.55 2.09 3.10 0.15 1.10     10.35
  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     8.33
  Percent of Normal  29  128  63 88  115  5  9  81  232 383  37  250     124
Snowfall 1.3 5.2  3.5  4.3  T 0.0 0.0  0.0  T 10.5  1.8  10.5     37.1
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     32.2
Percent of Normal 28 71  70  110  0 0  0  0  0 2100  47  162     115
                               
Station Name:
COOPS		 Drought
Conditions		 Jan
2013		 Feb
2013		 Mar
2013		 Apr
2013		 May
2013		 Jun
2013		 Jul
2013		 Aug
2013		 Sep
2013		 Oct
2013		 Nov
2013		 Dec
2013		     Total for
2013
Jeffrey City  None 0.06 0.99 0.15 2.13 2.64 0.08 0.24 0.21  3.18 2.08 0.17 0.72     12.65
  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     10.06
  Percent of Normal  19  241  17  168  143 7 27  35 398 229  29  171     126
Snowfall 1.0 12.0 2.0  26.0  6.0  0.0 0.0 0.0  9.0 14.0  2.0  9.0     81.0
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     57.0
  Percent of Normal  22 179 21  255  122 0  0 0  643 192  30  164     142
                               
Kaycee  D0 0.26 0.07 0.59 1.25 1.13  0.56 0.60 0.43  2.32 3.01 0.30 0.48     11.00
  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     12.37
  Percent of Normal  87  21 80 86 48 30 42  54 197 289  53  155     89
Snowfall 3.0 3.0 3.0 15.5  T 0.0 0.0  0.0  4.0 11.5  5.0  9.5     54.5
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     37.5
  Percent of Normal  51 48 38  330 0 0  0  0  2000 767  119  158     145
                               
Moose   D1 1.17 0.74 1.23 1.79 1.59 0.22 1.70 0.49  2.59 1.51  1.54 2.40     16.97
  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     21.80
  Percent of Normal  45  41  76  120  85  14 132  38  180 103  58  90     78
Snowfall 19.7 19.5  13.1  7.0  2.6 0.0 0.0  0.0  T 6.0  12.4  26.5     106.8
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     162.8
  Percent of Normal  53 73  82  95  118 0  0  0  0 125  51  59     66
                               
Old Faithful  D0 1.68 0.49 2.01 2.46 1.27 0.98 0.65 0.97  3.86 1.23 2.47 2.05     20.12
  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     25.37
  Percent of Normal  80  25  91  111  45 40 42  66 264  74  108 65     79
Snowfall 38.5 9.0 27.0  21.0  T 0.0 0.0  0.0  2.0 9.0  13.5  23.5     143.5
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     207.8
  Percent of Normal  103 29  101  109  0 0 0  0  143 117  43  54     69
                               
Powell Field Station   None 0.29 0.07 0.15 0.39 1.99 0.16 1.45 0.26 2.27 0.66 0.07 0.08     7.84
  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     6.80
  Percent of Normal  138  54  52  76  142  12  167  50 349 118 39 62     115
Snowfall 2.6 T  T  1.0  0.0 0.0 0.0  0.0  0.0 0.5  2.0  3.0     9.1
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     10.1
  Percent of Normal  113 0  0  200  0  0  0  0  0 42  154  250     90
                               
Riverton (downtown)  None 0.21 0.45 0.17 1.48 1.54 0.02 0.38 0.05 3.09 1.72 0.04 0.31     9.46
  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     8.42
  Percent of Normal  75  136  30  151  106  2 49  10 372 202  10 129     112
Snowfall 3.8 8.9  4.3  24.7  6.7  0.0 0.0  0.0  5.7 9.5  1.1  5.9     70.6
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     37.1
  Percent of Normal  79 148  73  405  558  0 0  0  1900 257  26  123     190
                               
Thermopolis   None  0.37 0.59 0.51 1.33 2.72 0.19 0.26 0.09 3.16 2.82 0.22 0.46     12.72
  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     11.71
  Percent of Normal  106  131  59  91  146 13 30  16  257  224  28  100     109
Snowfall 5.5 5.0  2.0  11.5  T 0.0 0.0  0.0  2.0 9.0  4.0  10.0     49.0
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     26.7
  Percent of Normal  98  109  80  411  0  0  0 0  1000 375 108 222     184

Drought Classifications on January 7, 2014     |      XX.X / M - Data partially or completely missing

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