WeatherCat Statistics

 

 

Statistics as of 10:55 AM 18-Feb-2018

Des Moines Weather

Temperature (°F) (Maximum)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Av.
2018  57.1   46.4   -      -      -      -      -      -      -      -      -      -      51.75  
2017  50.0   72.8   75.4   80.0   89.9   96.7   98.8   87.9   91.1   82.8   68.4   68.8   80.22  
2016  -      -      72.3   81.8   87.9   94.9   96.1   92.7   90.9   83.3   73.5   48.9   82.23  
Av:   53.5   59.6   73.9   80.9   88.9   95.8   97.4   90.3   91.0   83.0   71.0   58.8   71.40  

Temperature (°F) (Minimum)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Av.
2018  -17.6  -5.4   -      -      -      -      -      -      -      -      -      -      -11.51 
2017  -2.6   8.6    8.4    29.8   36.2   49.7   58.9   52.1   45.5   24.2   15.4   -14.6  25.97  
2016  -      -      23.9   22.9   37.4   54.5   57.7   55.6   46.8   30.9   21.0   -12.8  33.79  
Av:   -10.1  1.6    16.2   26.3   36.8   52.1   58.3   53.9   46.1   27.6   18.2   -13.7  16.08  

Temperature (°F) (Average)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Av.
2018  21.8   18.9   -      -      -      -      -      -      -      -      -      -      20.38  
2017  26.8   37.5   40.0   53.9   61.5   74.3   78.4   70.3   68.8   55.4   39.6   26.5   52.74  
2016  -      -      46.0   52.9   61.9   76.4   75.7   73.9   68.9   57.1   46.3   26.3   58.54  
Av:   24.3   28.2   43.0   53.4   61.7   75.3   77.0   72.1   68.8   56.3   43.0   26.4   43.89  

Heating Degree Days
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Tot.
2018  1337   805    -      -      -      -      -      -      -      -      -      -      2141   
2017  1184   774    773    366    187    28     2      34     71     347    768    1195   5727   
2016  -      -      386    393    161    14     5      9      66     279    575    1200   3090   
Av:   1260   789    579    380    174    21     4      22     68     313    671    1198   3653   

Cooling Degree Days
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Tot.
2018  0      0      -      -      -      -      -      -      -      -      -      -      0      
2017  0      3      3      32     105    309    422    187    182    25     0      0      1268   
2016  -      -      2      36     88     355    343    278    177    36     6      0      1321   
Av:   0      2      2      34     97     332    383    233    179    31     3      0      863    

Frost Days
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Tot.
2018  26     18     -      -      -      -      -      -      -      -      -      -      44     
2017  28     18     15     1      0      0      0      0      0      3      17     28     110    
2016  -      -      6      3      0      0      0      0      0      1      5      26     41     
Av:   27     18     11     2      0      0      0      0      0      2      11     27     65     

Windchill (°F) (Maximum)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Av.
2018  56.3   46.2   -      -      -      -      -      -      -      -      -      -      51.25  
2017  49.5   72.8   75.4   80.0   89.9   95.8   98.8   87.9   91.1   82.8   68.4   68.8   80.10  
2016  -      -      72.3   81.8   87.9   94.9   96.1   92.7   90.9   83.3   73.5   48.4   82.18  
Av:   52.9   59.5   73.9   80.9   88.9   95.4   97.4   90.3   91.0   83.0   71.0   58.6   71.18  

Windchill (°F) (Minimum)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Av.
2018  -25.4  -11.0  -      -      -      -      -      -      -      -      -      -      -18.18 
2017  -8.8   5.5    8.4    29.8   36.2   49.7   58.9   52.1   45.5   24.2   15.2   -24.4  24.36  
2016  -      -      22.2   22.9   37.4   54.5   57.7   55.6   46.8   30.9   21.0   -19.8  32.92  
Av:   -17.1  -2.7   15.3   26.3   36.8   52.1   58.3   53.9   46.1   27.6   18.1   -22.1  13.03  

Windchill (°F) (Average)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Av.
2018  19.3   16.5   -      -      -      -      -      -      -      -      -      -      17.91  
2017  24.9   36.0   38.9   53.6   61.5   74.3   78.4   70.3   68.8   55.1   39.0   24.6   52.09  
2016  -      -      45.2   52.2   61.8   76.4   75.7   73.9   68.9   57.1   45.8   24.4   58.14  
Av:   22.1   26.2   42.0   52.9   61.7   75.3   77.0   72.1   68.8   56.1   42.4   24.5   42.71  

Heat Index(°F) (Maximum)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Av.
2018  57.1   46.4   -      -      -      -      -      -      -      -      -      -      51.75  
2017  50.0   72.8   75.4   81.4   96.4   102.9  118.1  89.8   99.4   86.0   68.4   68.8   84.11  
2016  -      -      72.3   82.0   92.1   108.4  120.3  116.3  103.2  85.7   73.5   48.9   90.26  
Av:   53.5   59.6   73.9   81.7   94.2   105.6  119.2  103.0  101.3  85.9   71.0   58.8   75.37  

Heat Index(°F) (Average)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Av.
2018  22.2   18.9   -      -      -      -      -      -      -      -      -      -      20.56  
2017  26.8   37.5   40.0   54.3   61.6   75.2   81.5   70.5   69.2   55.4   39.6   26.5   53.17  
2016  -      -      46.0   52.9   62.0   78.0   78.6   75.3   69.6   57.1   46.3   26.3   59.21  
Av:   24.5   28.2   43.0   53.6   61.8   76.6   80.0   72.9   69.4   56.3   43.0   26.4   44.31  

Wind Speed (MPH) (Maximum)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Av.
2018  27.0   29.0   -      -      -      -      -      -      -      -      -      -      28.00  
2017  25.0   23.0   44.0   27.0   24.0   26.0   18.0   26.0   18.0   27.0   31.0   29.0   26.50  
2016  -      -      30.0   36.0   25.0   28.0   20.0   19.0   21.0   23.0   26.0   27.0   25.50  
Av:   26.0   26.0   37.0   31.5   24.5   27.0   19.0   22.5   19.5   25.0   28.5   28.0   26.67  

Wind Speed (MPH) (Average)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Av.
2018  2.0    2.0    -      -      -      -      -      -      -      -      -      -      2.01   
2017  1.9    1.9    2.3    1.8    1.0    0.6    0.5    0.5    0.4    1.0    1.5    1.9    1.27   
2016  -      -      2.2    2.4    0.7    0.5    0.5    0.3    0.4    0.7    1.3    1.9    1.09   
Av:   2.0    1.9    2.3    2.1    0.8    0.6    0.5    0.4    0.4    0.9    1.4    1.9    1.46   

Wind Direction (Degrees) (Average)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Av.
2018  235    215    -      -      -      -      -      -      -      -      -      -      224.9  
2017  223    240    161    173    169    193    148    148    103    124    200    152    169.6  
2016  -      -      223    203    171    167    164    155    169    192    217    244    190.5  
Av:   229    227    192    188    170    180    156    152    136    158    208    198    195.0  

Wind Run(miles)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Tot.
2018  1502.4 824.5  -      -      -      -      -      -      -      -      -      -      2327.0 
2017  1384.3 1289.1 1701.9 1289.7 714.8  440.8  329.5  371.1  311.8  767.5  1036.8 1405.6 11042.9
2016  -      -      1013.5 1720.3 524.4  389.6  341.8  216.2  316.0  494.3  926.3  1381.5 7323.9 
Av:   1443.4 1056.8 1357.7 1505.0 619.6  415.2  335.7  293.6  313.9  630.9  981.6  1393.6 6897.9 

Pressure (inHg) (Maximum)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Av.
2018  31.02  30.83  -      -      -      -      -      -      -      -      -      -      30.93  
2017  30.83  30.66  30.61  30.30  30.10  30.22  30.18  30.19  30.33  30.39  30.59  30.96  30.45  
2016  -      -      30.39  30.41  30.27  30.18  30.18  30.17  30.33  30.42  30.50  30.76  30.36  
Av:   30.93  30.75  30.50  30.36  30.19  30.20  30.18  30.18  30.33  30.40  30.55  30.86  30.58  

Pressure (inHg) (Minimum)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Av.
2018  29.36  29.67  -      -      -      -      -      -      -      -      -      -      29.52  
2017  29.34  29.44  29.26  29.36  29.27  29.48  29.62  29.65  29.61  29.35  29.41  29.34  29.43  
2016  -      -      29.35  29.53  29.63  29.58  29.58  29.68  29.75  29.28  29.03  29.62  29.50  
Av:   29.35  29.55  29.31  29.45  29.45  29.53  29.60  29.67  29.68  29.31  29.22  29.48  29.48  

Pressure (inHg) (Average)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Av.
2018  30.23  30.28  -      -      -      -      -      -      -      -      -      -      30.26  
2017  30.06  29.97  30.11  29.90  29.82  29.83  29.93  29.97  29.97  29.97  30.09  30.17  29.98  
2016  -      -      29.89  29.96  29.96  29.91  29.92  29.96  29.98  30.00  30.05  30.18  29.98  
Av:   30.15  30.12  30.00  29.93  29.89  29.87  29.92  29.97  29.98  29.98  30.07  30.17  30.07  

Precipitation (in) (Total)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Tot.
2018  1.07   0.16   -      -      -      -      -      -      -      -      -      -      1.23   
2017  1.68   0.83   4.74   4.33   3.42   2.96   1.28   4.04   2.68   5.50   0.33   0.07   31.86  
2016  -      -      1.78   3.63   2.52   2.08   7.34   6.07   3.86   1.04   1.79   1.40   31.51  
Av:   1.37   0.49   3.26   3.98   2.97   2.52   4.31   5.05   3.27   3.27   1.06   0.74   21.53  

Rain Days (>0.04 in)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Tot.
2018  6      2      -      -      -      -      -      -      -      -      -      -      8      
2017  6      5      10     9      11     7      5      9      5      8      1      0      76     
2016  -      -      7      12     9      7      8      12     8      6      4      5      78     
Av:   6      4      9      11     10     7      7      11     7      7      3      3      54     

Snow (in) (Total)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Tot.
2018  3.0    7.0    -      -      -      -      -      -      -      -      -      -      10.0   
2017  -      -      -      -      -      -      -      -      -      -      -      5.1    5.1    
2016  -      -      -      -      -      -      -      -      -      -      -      -      0.0    
Av:   3.0    7.0    -      -      -      -      -      -      -      -      -      5.1    7.5    

Snow Days
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Tot.
2018  3      2      -      -      -      -      -      -      -      -      -      -      5      
2017  -      -      -      -      -      -      -      -      -      -      -      4      4      
2016  -      -      -      -      -      -      -      -      -      -      -      -      0      
Av:   3      2      -      -      -      -      -      -      -      -      -      4      4      

Solar Radiation(W/m^2) (Maximum)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Av.
2018  577    703    -      -      -      -      -      -      -      -      -      -      640.00 
2017  643    723    945    1101   1192   1117   1106   1072   896    733    609    541    889.83 
2016  -      -      1049   1250   1205   1141   1006   1032   898    785    597    499    946.20 
Av:   610    713    997    1176   1198   1129   1056   1052   897    759    603    520    825.34 

Solar Radiation(W/m^2) (Average)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Av.
2018  52.3   65.0   -      -      -      -      -      -      -      -      -      -      58.69  
2017  38.5   84.3   101.8  137.4  203.9  257.0  220.0  168.2  128.6  58.2   48.4   42.7   124.08 
2016  -      -      108.2  162.3  192.5  255.6  198.5  155.1  131.9  72.2   45.3   37.2   135.87 
Av:   45.4   74.7   105.0  149.8  198.2  256.3  209.2  161.6  130.3  65.2   46.9   39.9   106.21 

Sunshine hours (Total)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Tot.
2018  56.8   48.6   -      -      -      -      -      -      -      -      -      -      105.5  
2017  31.0   117.0  128.4  152.1  200.9  242.8  222.3  193.6  138.3  52.3   44.8   47.4   1570.9 
2016  -      -      83.9   174.9  195.5  240.6  208.0  181.7  138.3  79.0   47.8   37.6   1387.3 
Av:   43.9   82.8   106.2  163.5  198.2  241.7  215.1  187.7  138.3  65.6   46.2   42.5   1021.2 

U.V. Index (Maximum)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Av.
2018  2.2    3.4    -      -      -      -      -      -      -      -      -      -      2.80   
2017  2.6    3.9    5.5    8.5    8.3    8.6    9.3    7.5    6.4    4.6    2.6    1.9    5.81   
2016  -      -      6.1    8.5    7.9    9.3    8.5    6.5    5.8    4.0    2.6    1.7    6.09   
Av:   2.4    3.7    5.8    8.5    8.1    9.0    8.9    7.0    6.1    4.3    2.6    1.8    4.90   

U.V. Index (Average)
      Jan    Feb    Mar    Apr    May    June   July   Aug    Sept   Oct    Nov    Dec    Annual Av.
2018  0.2    0.3    -      -      -      -      -      -      -      -      -      -      0.25   
2017  0.1    0.4    0.5    0.9    1.3    1.7    1.6    1.2    0.9    0.3    0.2    0.1    0.78   
2016  -      -      0.6    1.0    1.2    1.8    1.5    0.9    0.8    0.4    0.2    0.1    0.85   
Av:   0.2    0.4    0.6    0.9    1.3    1.7    1.5    1.1    0.8    0.3    0.2    0.1    0.63