                   MONTHLY CLIMATOLOGICAL SUMMARY for DEC 2011


NAME: UMassCS               CITY: Amherst               STATE: MA                  
ELEV: 312 ft    LAT: 42.4 N    LONG: 72.5 W


                   TEMPERATURE (F), RAIN (in), WIND SPEED (mph)

                                         HEAT   COOL         AVG
      MEAN                               DEG    DEG          WIND                  DOM
DAY   TEMP   HIGH  TIME    LOW   TIME    DAYS   DAYS   RAIN  SPEED   HIGH  TIME    DIR
---------------------------------------------------------------------------------------
01    46.6   49.2  14:34   36.8  07:45   22.0    0.0   0.00   4.8    19.0  12:35   W
02    30.2   48.1  14:29    0.0  16:26   41.0    0.0   0.00   1.8    15.0  11:25   NNW
03    27.9   44.6  13:44    0.0  00:00   42.7    0.0   0.00   0.5    10.0  10:30   WSW
04    46.4   52.4  14:35   32.1  07:59   22.8    0.0   0.00   4.2    20.0  13:10   S
05    54.1   59.0  15:34   51.1  00:00   10.0    0.0   0.00   4.9    12.0  14:00   S
06    59.4   61.1  14:25   57.2  09:45    5.8    0.0   0.00   0.6    15.0  10:55   SSW
07    61.0   61.0  00:00   61.0  00:00    4.0    0.0   0.00   0.0     0.0  00:00   SSW
08    44.8   61.0  00:00   33.7  22:41   17.7    0.0   0.00   3.3    26.0  14:10   SW
09    37.7   47.5  14:59   30.7  06:30   25.9    0.0   0.00   1.5    22.0  15:00   S
10    33.1   40.4  10:49   29.0  07:09   30.3    0.0   0.00   2.6    22.0  12:45   SW
11    30.7   38.1  14:48   21.0  07:19   35.5    0.0   0.00   1.3    10.0  12:55   S
12    33.4   46.0  13:42   23.2  06:22   30.4    0.0   0.00   0.7    12.0  14:40   S
13    33.1   46.8  15:18   22.1  05:30   30.5    0.0   0.00   1.3    19.0  11:30   NNW
14    35.9   42.7  14:07   29.4  02:02   29.0    0.0   0.00   0.3    10.0  13:28   WNW
15    47.2   52.5  16:41   38.8  01:11   19.3    0.0   0.09   4.0    23.0  07:35   S
16    44.3   51.7  00:00   37.8  21:27   20.2    0.0   0.01   6.0    43.0  05:15   WNW
17    33.6   39.8  10:27   23.8  23:56   33.2    0.0   0.00   3.2    24.0  11:25   NNW
18    20.5   27.2  15:05   13.5  23:46   44.7    0.0   0.00   2.9    18.0  08:29   N
19    31.1   43.9  23:01   12.4  03:38   36.8    0.0   0.00   3.1    23.0  15:17   S
20    37.6   43.5  02:12   27.3  21:21   29.6    0.0   0.00   2.0    21.0  06:35   NNW
21    35.2   49.4  23:43   29.3  00:04   25.7    0.0   0.26   0.2    13.0  22:55   NNE
22    49.6   54.8  02:45   43.5  23:59   15.8    0.0   0.02   3.7    30.0  04:15   W
23    40.0   45.6  13:24   33.0  23:50   25.7    0.0   0.78   3.2    24.0  17:50   NW
24    28.2   33.1  00:00   19.1  23:57   38.9    0.0   0.00   1.8    14.0  10:10   N
25    28.7   40.1  20:21   16.9  01:31   36.5    0.0   0.00   1.1    20.0  14:50   NNW
26    36.9   41.1  11:14   29.2  22:30   29.8    0.0   0.00   3.1    26.0  10:00   WNW
27    38.1   57.8  23:32   26.7  01:33   22.8    0.0   1.12   3.0    31.0  22:06   SSE
28    39.6   57.6  00:00   27.0  23:57   22.7    0.0   0.03   9.4    38.0  16:40   WSW
29    25.7   32.2  14:15   20.4  07:39   38.7    0.0   0.00   3.8    34.0  00:20   WNW
30    29.8   37.7  15:28   22.5  00:13   34.9    0.0   0.00   0.2     6.0  12:05   W
31    35.1   39.1  14:38   32.1  00:51   29.4    0.0   0.10   0.3     7.0  09:10   W
---------------------------------------------------------------------------------------
      37.9   61.1     6     0.0     2   852.2    0.0   2.41   2.5    43.0    16    SW

Max >=  90.0:  0
Max <=  32.0:  1
Min <=  32.0:  20
Min <=   0.0:  2
Max Rain    :  1.12 in ON 12/27/2011
Days of Rain: 7 (> 0.01 in) 4 (> 0.10 in) 1 (> 1.00 in)
