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:(108786) STREVELL                 
From Year=1948 To Year=1986                                   #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 31.3 15.2 22.7  55  30/1971 -28  12/1963  34.7 53  5.3 49  0.0 15.6 28.6  3.7
Fe 37.1 19.0 28.0  64  25/1986 -23  04/1985  36.9 63 19.0 49  0.0  8.5 25.2  1.9
Ma 45.7 24.2 35.0  71  28/1986  -7  18/1965  43.0 86 27.1 64  0.0  2.2 25.5  0.4
Ap 56.6 30.0 43.1  80  20/1956  10  20/1966  48.5 49 37.9 70  0.0  0.1 18.6  0.0
Ma 66.3 37.3 51.8  89  19/1954  14  01/1967  58.2 58 46.7 53  0.0  0.0  8.6  0.0
Jn 76.1 44.5 60.7  97  22/1961  24  02/1954  66.7 61 55.9 63  1.9  0.0  0.9  0.0
Jl 86.6 52.5 69.9  99  11/1954  31  22/1954  73.4 60 64.9 82 10.9  0.0  0.0  0.0
Au 85.1 51.1 68.5 103  21/1982  28  20/1964  71.8 61 65.8 56  8.0  0.0  0.4  0.0
Se 74.2 41.9 58.0  95  02/1950  15  18/1965  63.5 66 51.8 65  0.7  0.0  3.4  0.0
Oc 60.5 33.1 47.4  84  03/1960   7  30/1971  53.0 63 40.8 49  0.0  0.2 14.1  0.0
No 44.4 24.4 34.5  71  07/1980 -14  16/1955  41.6 49 26.8 52  0.0  3.9 24.0  0.5
De 34.0 17.0 25.3  59  23/1964 -22  22/1983  32.3 58 20.2 48  0.0 12.0 28.8  2.0
An 58.2 32.5 45.4 103 19820821 -28 19630112  47.9 58 43.1 64 21.5 42.5178.2  8.5
Wi 34.1 17.1 25.3  64 19860225 -28 19630112  30.9 53 14.8 49  0.0 36.1 82.6  7.6
Sp 56.2 30.5 43.3  89 19540519  -7 19650318  45.7 49 39.8 64  0.0  2.3 52.7  0.4
Su 82.6 49.4 66.3 103 19820821  24 19540602  70.2 61 64.3 64 20.7  0.0  1.3  0.0
Fa 59.7 33.1 46.6  95 19500902 -14 19551116  50.0 53 43.2 61  0.7  4.0 41.6  0.5
Station:(108786) STREVELL                  From Year=1948 To Year=1986
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  0.67   1.83  50   0.02  61   0.81  30/1981   7.3  25.5  49   6   2   0   0
Fe  0.57   1.44  69   0.03  70   0.75  25/1969   4.7  18.0  69   6   2   0   0
Ma  0.82   2.00  82   0.10  65   0.81  27/1981   6.4  26.1  67   7   3   0   0
Ap  1.01   3.20  71   0.10  74   1.14  08/1986   3.5  15.0  67   6   3   0   0
Ma  1.70   5.37  80   0.02  74   1.33  16/1949   1.2  13.0  75   8   5   1   0
Jn  1.38   5.14  67   0.03  78   1.60  09/1969   0.0   0.0  49   7   4   1   0
Jl  0.95   2.87  85   0.00  76   1.49  29/1968   0.0   0.0  49   4   3   1   0
Au  0.96   3.46  68   0.00  75   1.14  02/1953   0.0   0.0  48   5   3   1   0
Se  0.81   3.36  82   0.00  74   1.12  01/1970   0.0   0.0  48   4   2   0   0
Oc  0.82   2.76  72   0.00  52   1.23  20/1972   1.5  18.2  49   4   2   0   0
No  0.61   2.06  65   0.00  59   1.04  24/1965   1.9   8.0  57   5   2   0   0
De  0.72   1.99  64   0.02  76   0.97  13/1965   6.8  21.0  63   6   2   0   0
An 11.02  15.69  68   5.18  54   1.60 19690609  33.1  79.6  49  68  33   5   0
Wi  1.96   3.64  65   0.25  77   0.97 19651213  18.8  55.1  49  18   7   0   0
Sp  3.53   6.59  80   0.80  74   1.33 19490516  11.0  41.1  67  21  10   2   0
Su  3.29   7.68  68   0.36  78   1.60 19690609   0.0   0.0  49  16   9   2   0
Fa  2.24   5.08  82   0.68  54   1.23 19721020   3.3  18.2  49  13   7   1   0