For monthly and annual means, thresholds, and sums:
 Months with  5 or more missing   days are not considered
 Years  with  1 or more missing months are not considered

Station:(106053) MONTPELIER RANGER STN    
From Year=1931 To Year=1991                                   #Day-Max #Day-Min
       Averages         Daily Extremes         Mean Extremes   >=   =<   =<  =<
    Max  Min Mean  High---Date  Low---Date   High-Yr  Low-Yr   90   32   32   0
-------------------------------------------------------------------------------
Ja 29.5  6.3 17.9  52  06/1954 -31  29/1949  31.1 53  5.3 49  0.0 18.3 30.6 10.7
Fe 33.6  8.6 21.1  58  06/1963 -34  10/1933  31.9 34 11.5 56  0.0 12.1 27.7  7.5
Ma 40.3 16.1 28.2  70  31/1986 -21  01/1960  39.7 34 19.1 64  0.0  5.1 30.0  2.8
Ap 52.9 26.7 39.8  80  20/1962  -8  02/1936  48.6 34 32.3 75  0.0  0.4 24.0  0.1
Ma 64.7 34.7 49.7  87  10/1941  14  01/1972  56.8 34 44.1 75  0.0  0.0 11.2  0.0
Jn 74.3 41.3 57.8  96  18/1940  24  21/1960  64.0 33 51.7 45  1.1  0.0  2.5  0.0
Jl 85.0 47.2 66.1 100  24/1931  29  22/1954  69.8 31 63.0 52  7.3  0.0  0.1  0.0
Au 83.4 45.0 64.2  99  08/1990  27  31/1965  68.9 81 59.4 68  4.4  0.0  0.7  0.0
Se 73.1 36.2 54.6  94  05/1950  10  30/1985  60.0 81 47.7 65  0.5  0.0  8.6  0.0
Oc 60.6 27.8 44.1  84  02/1957   3  30/1971  49.1 63 37.3 69  0.0  0.3 23.3  0.0
No 42.5 18.4 30.5  68  06/1980 -30  16/1955  39.3 49 23.4 57  0.0  5.4 28.3  1.4
De 32.4 10.5 21.4  60  11/1939 -32  31/1978  31.6 39 11.8 32  0.0 14.3 30.1  6.1
An 56.0 26.6 41.3 100 19310724 -34 19330210  46.0 34 38.6 55 13.3 55.9217.0 28.5
Wi 31.8  8.5 20.1  60 19391211 -34 19330210  28.7 34 13.0 49  0.0 44.7 88.4 24.3
Sp 52.6 25.8 39.2  87 19410510 -21 19600301  48.4 34 33.9 55  0.0  5.5 65.1  2.9
Su 80.9 44.5 62.7 100 19310724  24 19600621  66.8 61 59.3 44 12.8  0.0  3.3  0.0
Fa 58.8 27.5 43.1  94 19500905 -30 19551116  46.9 53 38.8 61  0.5  5.7 60.2  1.4
Station:(106053) MONTPELIER RANGER STN     From Year=1931 To Year=1991
Missing data not yet determined
       Total Precipitation       Precipitation  Total Snowfall  #Days Precip >=
    Mean   High--Yr    Low--Yr     1-Day Max    Mean   High-Yr .01 .10 .50 1.00"
-------------------------------------------------------------------------------
Ja  1.20   4.24  80   0.03  61   1.03  12/1980  13.4  38.0  36  11   4   0   0
Fe  1.15   3.22  86   0.12  31   1.33  01/1963  11.8  40.5  36  10   4   0   0
Ma  1.28   2.89  82   0.24  39   1.00  07/1988   9.4  24.7  44  10   4   0   0
Ap  1.32   4.10  63   0.11  77   1.33  21/1947   3.9  20.4  63  10   5   0   0
Ma  1.42   3.67  57   0.17  34   0.97  16/1942   0.8  10.2  50   9   5   0   0
Jn  1.48   4.14  64   0.10  86   2.50  16/1939   0.1   3.0  50   8   4   1   0
Jl  0.76   2.26  70   0.00  35   0.99  10/1970   0.0   0.0  31   5   2   0   0
Au  0.91   3.28  77   0.00  44   1.70  07/1943   0.0   0.0  31   6   3   0   0
Se  1.15   4.88  82   0.03  74   1.54  26/1982   0.2   5.0  78   6   3   1   0
Oc  1.14   3.84  49   0.00  52   1.20  19/1949   1.6  14.5  61   7   4   0   0
No  1.09   2.77  42   0.00  39   1.89  24/1988   7.1  25.0  45   8   4   0   0
De  1.19   4.04  64   0.06  86   0.96  23/1964  13.3  61.8  51  10   4   0   0
An 14.09  20.82  63   8.29  35   2.50 19390616  61.6 130.9  51  98  45   5   0
Wi  3.54   6.32  65   1.12  61   1.33 19630201  38.5  97.8  52  30  12   1   0
Sp  4.02   6.81  57   1.54  69   1.33 19470421  14.1  34.7  50  29  14   1   0
Su  3.15   6.71  83   0.38  35   2.50 19390616   0.1   3.0  50  18   9   1   0
Fa  3.38   8.46  82   1.02  76   1.89 19881124   8.9  28.5  61  21  10   1   0