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:(106590) OLA 4 S                  
From Year=1951 To Year=1988                                   #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 34.9 16.6 25.7  58  10/1953 -37  22/1962  38.4 53 12.5 79  0.0 10.6 28.6  4.4
Fe 42.9 21.8 32.4  66  24/1986 -25  02/1979  40.1 63 20.9 55  0.0  2.9 24.9  1.3
Ma 52.5 26.5 39.5  80  29/1978  -8  05/1955  45.9 86 31.0 55  0.0  0.1 24.3  0.1
Ap 62.6 31.7 47.1  90  24/1977  14  13/1968  51.5 87 41.4 70  0.1  0.0 16.9  0.0
Ma 72.6 38.5 55.6  95  26/1966  20  16/1974  60.7 58 51.0 53  0.9  0.0  6.0  0.0
Jn 81.3 45.3 63.3 102  17/1961  27  01/1984  69.3 77 57.9 54  5.8  0.0  0.8  0.0
Jl 90.7 50.3 70.5 107  12/1953  30  08/1981  75.0 85 66.7 86 20.0  0.0  0.0  0.0
Au 89.3 48.1 68.7 107  04/1961  31  27/1960  74.4 61 64.7 60 17.2  0.0  0.2  0.0
Se 79.4 39.7 59.6 102  05/1955  20  20/1978  66.5 63 54.0 85  4.7  0.0  5.3  0.0
Oc 65.9 31.0 48.5  88  08/1952  10  26/1978  55.1 52 44.0 69  0.0  0.0 19.0  0.0
No 47.9 24.9 36.4  70  03/1962 -20  15/1955  42.1 53 26.0 85  0.0  1.0 23.4  0.4
De 37.2 19.1 28.1  60  06/1987 -31  09/1972  34.9 62 11.0 85  0.0  6.7 28.5  2.2
An 63.1 32.8 48.0 107 19530712 -37 19620122  49.7 61 43.7 85 48.6 21.4178.0  8.4
Wi 38.3 19.1 28.7  66 19860224 -37 19620122  36.3 53 19.5 85  0.0 20.3 82.0  7.9
Sp 62.6 32.2 47.4  95 19660526  -8 19550305  50.6 87 42.0 55  0.9  0.1 47.3  0.1
Su 87.1 47.9 67.5 107 19530712  27 19840601  72.0 61 64.1 54 43.0  0.0  0.9  0.0
Fa 64.4 31.9 48.2 102 19550905 -20 19551115  51.2 52 41.9 85  4.7  1.0 47.8  0.4
Station:(106590) OLA 4 S                   From Year=1951 To Year=1988
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  2.64   8.48  70   0.22  85   1.56  17/1954   9.2  30.0  82  12   7   2   0
Fe  2.12   6.08  86   0.34  67   1.17  08/1960   2.8  11.2  85  10   6   1   0
Ma  1.98   4.15  83   0.55  56   1.09  30/1959   1.8  13.5  82  11   6   1   0
Ap  1.56   4.14  78   0.20  59   1.19  24/1980   0.0   0.0  52   9   5   1   0
Ma  1.45   4.46  53   0.22  74   1.68  19/1953   0.0   0.0  52   7   5   1   0
Jn  1.29   3.67  63   0.16  57   1.70  05/1963   0.0   0.0  52   6   3   1   0
Jl  0.42   2.24  82   0.00  53   1.59  18/1976   0.0   0.0  52   2   1   0   0
Au  0.57   3.82  68   0.00  55   1.16  19/1959   0.0   0.0  51   3   1   0   0
Se  0.86   4.07  59   0.00  53   1.26  14/1959   0.0   0.0  51   4   2   0   0
Oc  1.42   5.48  56   0.00  52   1.37  04/1951   0.1   2.0  70   6   4   1   0
No  2.54   6.73  73   0.04  76   1.12  09/1970   3.1  23.0  85  11   7   1   0
De  2.81   7.13  64   0.14  76   1.22  25/1980   8.7  28.5  71  12   8   2   0
An 19.66  30.49  82  11.32  66   1.70 19630605  25.7  69.0  82  92  56  10   1
Wi  7.57  13.76  70   1.74  77   1.56 19540117  20.8  54.5  82  34  22   4   0
Sp  4.99   7.70  53   2.55  66   1.68 19530519   1.8  13.5  82  26  16   2   0
Su  2.28   5.27  76   0.28  57   1.70 19630605   0.0   0.0  52  11   6   1   0
Fa  4.82   9.38  73   0.91  52   1.37 19511004   3.2  23.0  85  21  13   3   0