Annual Climatological Summary for 2025

Name: OFallon Weather   City: OFallon   State: MO
Elevation: 532 ft  Lat: N 38° 50' 20"   Lon: W 090° 43' 42"

                  Temperature (°F), Heat Base: 65.0  Cool Base: 65.0
                          Dep.  Heat  Cool                       Max  Max  Min  Min
        Mean  Mean        From  Deg   Deg                        >=   <=   <=   <=
 YR MO  Max   Min   Mean  Norm  Days  Days  Hi  Date  Low  Date 90.0 32.0 32.0   0.0
------------------------------------------------------------------------------------
 25  1  36.2  18.6  27.7   0.0  1156     0  57.7  29  -2.4   21    0   12   28    1
 25  2  41.8  23.3  32.7   0.0   907     3  74.5   3  -2.6   20    0    8   20    1
 25  3  65.0  39.0  52.0   0.0   437    36  83.3  14  17.8    2    0    0   10    0
 25  4  68.8  47.4  57.8   0.0   281    66  86.2  28  28.2    8    0    0    1    0
 25  5  64.1  50.9  57.4   0.0    41     2  74.2   1  44.3    4    0    0    0    0
 25  6
 25  7
 25  8
 25  9
 25 10
 25 11
 25 12
------------------------------------------------------------------------------------
        53.5  32.9  43.3   0.0  2821   107  86.2 Apr  -2.6  Feb    0   20   59    2

                                Precipitation (in)

              Dep.   Max        Days of Rain
              From   Obs.           >=
 YR MO Total  Norm   Day Date 0.01 0.10 1.00
---------------------------------------------
 25  1  1.03   0.0  0.30  30     8    4    0
 25  2  0.66   0.0  0.20   5     8    3    0
 25  3  3.41   0.0  1.58  23     7    4    1
 25  4  9.28   0.0  2.12   4    13   11    4
 25  5  0.72   0.0  0.37   3     3    2    0
---------------------------------------------
       15.10   0.0  2.12  Apr   39   24    5

                                Wind Speed (mph)
                          Dom
 YR MO   Avg.  Hi   Date  Dir
------------------------------
 25  1   4.7  25.0    1     W
 25  2   4.5  28.0   14   WNW
 25  3   5.9  51.0   19    SW
 25  4   4.4  46.0    2   SSW
 25  5   2.9  20.0    1   WNW
 25  6
 25  7
 25  8
 25  9
 25 10
 25 11
 25 12
------------------------------
         4.8  51.0  Mar   WSW