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:(105275) LIFTON PUMPING STN       
From Year=1935 To Year=1999                                   #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 29.4  6.4 17.9  52  10/1990 -40  29/1949  30.1 53  2.8 49  0.0 17.9 30.8  9.9
Fe 32.6  6.7 19.7  55  28/1991 -41  01/1985  31.4 63  6.5 85  0.0 12.5 28.1  9.5
Ma 39.6 15.8 27.7  69  30/1986 -26  04/1966  36.6 86 18.0 69  0.0  5.3 30.6  3.4
Ap 51.2 28.8 40.0  76  29/1938 -11  02/1936  47.4 43 33.3 55  0.0  0.4 21.0  0.0
Ma 62.6 38.9 50.8  86  30/1939  19  06/1965  55.8 92 44.3 53  0.0  0.0  4.9  0.0
Jn 72.0 45.6 58.8  94  26/1988  28  01/1945  64.8 88 52.7 98  0.2  0.0  0.3  0.0
Jl 81.6 51.0 66.3  98  30/1940  29  19/1987  70.2 36 57.8 93  1.4  0.0  0.0  0.0
Au 80.2 47.8 64.0  95  13/1940  30  30/1964  68.0 94 59.5 68  0.8  0.0  0.2  0.0
Se 70.5 38.9 54.7  89  04/1950  19  25/1970  59.6 90 48.3 65  0.0  0.0  5.0  0.0
Oc 57.7 29.8 43.7  81  02/1992   3  30/1971  50.1 88 36.4 69  0.0  0.2 20.6  0.0
No 41.4 20.2 30.8  64  01/1988 -18  16/1955  37.7 49 23.9 93  0.0  5.3 28.6  0.7
De 31.8 10.7 21.2  58  02/1995 -33  30/1978  29.9 50 11.4 90  0.0 15.9 30.8  5.2
An 54.2 28.4 41.3  98 19400730 -41 19850201  44.3 81 37.7 85  2.4 57.4200.8 28.9
Wi 31.3  7.9 19.6  58 19951202 -41 19850201  25.9 81 10.8 85  0.0 46.3 89.7 24.7
Sp 51.1 27.8 39.5  86 19390530 -26 19660304  46.5 92 34.2 55  0.0  5.6 56.4  3.5
Su 77.9 48.1 63.0  98 19400730  28 19450601  66.8 36 57.7 93  2.4  0.0  0.5  0.0
Fa 56.5 29.7 43.1  89 19500904 -18 19551116  46.8 63 38.9 71  0.0  5.5 54.2  0.7
Station:(105275) LIFTON PUMPING STN        From Year=1935 To Year=1999
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  0.75   3.30  80   0.01  61   0.78  14/1980   9.1  25.5  54   9   3   0   0
Fe  0.72   3.44  86   0.05  91   1.47  18/1986   7.5  24.0  95   7   2   0   0
Ma  0.76   1.52  95   0.03  84   0.76  23/1994   5.6  15.0  67   8   3   0   0
Ap  1.05   2.85  86   0.00  87   1.23  30/1978   2.7  17.0  48   9   3   0   0
Ma  1.37   3.39  96   0.12  72   1.86  11/1983   0.5  13.5  50  10   4   0   0
Jn  1.11   3.04  98   0.15  74   1.87  07/1964   0.0   0.5  43   7   3   0   0
Jl  0.72   3.15  82   0.00  35   1.85  15/1974   0.0   0.0  35   5   2   0   0
Au  0.82   3.45  83   0.00  44   1.70  18/1977   0.0   0.0  35   6   3   0   0
Se  1.03   5.64  82   0.03  64   1.64  26/1982   0.0   1.0  36   6   3   0   0
Oc  1.01   2.79  49   0.00  52   1.12  19/1979   1.2  16.0  49   7   3   0   0
No  0.79   2.03  65   0.00  39   0.86  24/1965   4.8  21.6  85   8   3   0   0
De  0.66   2.83  64   0.00  76   1.29  23/1964   7.0  20.5  51   8   2   0   0
An 10.79  19.17  82   4.36  88   1.87 19640607  38.3  67.5  82  89  34   3   0
Wi  2.14   4.57  80   0.59  61   1.47 19860218  23.6  42.5  82  24   7   0   0
Sp  3.18   5.84  83   1.16  69   1.86 19830511   8.7  28.0  67  26  10   1   0
Su  2.64   6.17  83   0.90  88   1.87 19640607   0.0   0.5  43  18   8   1   0
Fa  2.83   7.81  82   0.50  52   1.64 19820926   6.0  26.0  75  21   8   1   0