ANNUAL CLIMATOLOGICAL SUMMARY

NAME: Rosaaen School  CITY: Lambert    STATE: MT  
ELEV:  2356 ft  LAT:  47° 48' 23" N  LONG: 104° 50' 59" W

               TEMPERATURE (°F), HEAT BASE 65.0, COOL BASE 65.0
                          DEP.  HEAT  COOL                                          
        MEAN  MEAN        FROM  DEG   DEG                        MAX  MAX  MIN  MIN 
 YR MO  MAX   MIN   MEAN  NORM  DAYS  DAYS  HI  DATE  LOW  DATE  >=90 <=32 <=32 <=0 
------------------------------------------------------------------------------------
 11  1  20.7   5.5  12.7   0.0  1623     0  38.1   6 -24.2   31    0   23   31   12
 11  2  20.3   3.1  12.8   0.0  1463     0  42.5  15 -29.0    1    0   19   26   14
 11  3  29.3  16.0  22.7   0.0  1309     0  46.9  18  -6.9    1    0   16   29    6
 11  4  49.2  31.8  40.1   0.0   744     0  68.3  28  23.4    4    0    0   16    0
 11  5  59.4  41.6  50.6   0.0   448     1  68.9  16  26.9    1    0    0    2    0
 11  6  71.3  51.0  61.3   0.0   182    72  91.1  29  40.9    1    1    0    0    0
 11  7  83.1  59.1  71.5   0.0    39   239  95.6  19  49.9    9    3    0    0    0
 11  8  83.6  57.4  70.2   0.0    63   223  95.4  22  48.0    9    3    0    0    0
 11  9  76.5  47.0  61.2   0.0   225   111  91.7  25  31.1   14    1    0    1    0
 11 10  61.4  37.1  48.9   0.0   529    30  91.0   4  23.9   28    1    0   13    0
 11 11  42.2  20.9  31.2   0.0  1013     0  61.7  23  -1.0   20    0    5   28    2
 11 12  34.2  16.9  26.3   0.0  1200     0  52.5  28  -5.0    5    0   13   31    3
------------------------------------------------------------------------------------
        52.8  32.5  42.6   0.0  8838   675  95.6 JUL -29.0  FEB    9   76  177   37

                                PRECIPITATION (in)

               DEP.   MAX        DAYS OF RAIN 
               FROM   OBS.          OVER
 YR MO  TOTAL  NORM   DAY  DATE .01   .1   1
---------------------------------------------
 11  1  0.06   0.00  0.02   26    1    0    0
 11  2  0.08   0.00  0.05    4    2    0    0
 11  3  0.14   0.00  0.04   11    4    0    0
 11  4  1.23   0.00  0.63   29    5    3    0
 11  5  8.49   0.00  2.53   10   15   12    3
 11  6  2.76   0.00  0.81   17   14    8    0
 11  7  2.90   0.00  1.07   29    8    5    2
 11  8  0.95   0.00  0.48   31    7    2    0
 11  9  0.63   0.00  0.34   19    4    2    0
 11 10  0.62   0.00  0.40    7    4    1    0
 11 11  0.12   0.00  0.11   30    1    1    0
 11 12  0.04   0.00  0.03   29    1    0    0
---------------------------------------------
       18.02  0.00  2.53  MAY   66   34    5

                                WIND SPEED (mph)
                          DOM
 YR MO   AVG.  HI   DATE  DIR
---------------------------------
 11  1  10.9  43.0   12     W
 11  2  10.8  57.0   13    SW
 11  3  11.8  43.0   11   ESE
 11  4  11.0  56.0   30   ESE
 11  5  12.4  57.0   16    SE
 11  6  10.1  49.0    7    SE
 11  7   8.7  47.0    8    SE
 11  8   7.9  68.0   31    SE
 11  9   7.8  43.0   20    SE
 11 10   8.1  47.0    7   WNW
 11 11   8.3  35.0   17    SW
 11 12   9.3  48.0   26    SW
---------------------------------
         9.8  68.0  AUG   SE