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  1155     0  57.7  29  -2.4   21    0   12   28    1
 25  2  51.4  32.9  41.8   0.0   141     2  74.5   3  26.1    1    0    0    3    0
 25  3
 25  4
 25  5
 25  6
 25  7
 25  8
 25  9
 25 10
 25 11
 25 12
------------------------------------------------------------------------------------
        38.7  20.9  30.0   0.0  1296     1  74.5 Feb  -2.4  Jan    0   12   31    1

                                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  0.20   0.0  0.20   5     1    1    0
---------------------------------------------
        1.23   0.0  0.30  Jan    9    5    0

                                Wind Speed (mph)
                          Dom
 YR MO   Avg.  Hi   Date  Dir
------------------------------
 25  1   4.7  25.0    1     W
 25  2   4.3  22.0    3   ESE
 25  3
 25  4
 25  5
 25  6
 25  7
 25  8
 25  9
 25 10
 25 11
 25 12
------------------------------
         4.6  25.0  Jan     W