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:(100375) ARCO 3 SW                
From Year=1948 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 28.7  3.4 16.2  52  07/1962 -35  18/1984  27.9 53  4.8 49  0.0 19.1 30.7 12.7
Fe 34.7  8.4 21.6  58  06/1963 -31  03/1996  35.4 63  8.1 85  0.0 10.1 27.7  7.2
Ma 43.6 18.5 31.0  71  31/1966 -19  01/1960  41.1 92 19.9 64  0.0  2.9 29.7  1.8
Ap 57.0 27.8 42.5  86  29/1987   5  22/1978  50.6 87 35.1 75  0.0  0.0 22.4  0.0
Ma 67.5 36.5 52.0  90  19/1954  11  01/1972  58.3 92 47.3 59  0.0  0.0  8.7  0.0
Jn 76.5 43.2 59.9  97  23/1988  21  05/1954  66.9 61 55.2 93  2.0  0.0  1.4  0.0
Jl 85.3 48.0 66.6 102  20/1960  29  05/1986  71.3 60 57.8 93  7.9  0.0  0.1  0.0
Au 83.7 45.9 64.8 100  03/1961  25  25/1992  70.5 71 58.6 68  5.7  0.0  0.6  0.0
Se 73.9 37.6 55.8  96  05/1950  15  29/1985  63.2 90 49.8 65  0.6  0.0  6.8  0.0
Oc 61.4 28.6 45.0  83  03/1987   8  30/1971  52.7 88 38.5 69  0.0  0.1 20.8  0.0
No 42.8 17.9 30.4  69  03/1953 -21  21/1977  36.9 54 21.1 94  0.0  4.2 28.2  1.4
De 31.1  7.2 19.1  59  17/1976 -45  23/1983  33.8 96  8.7 83  0.0 16.0 30.4  7.8
An 57.2 26.9 42.1 102 19600720 -45 19831223  45.3 87 38.8 64 16.3 52.3207.5 30.9
Wi 31.5  6.3 19.0  59 19761217 -45 19831223  26.3 97 10.3 49  0.0 45.2 88.8 27.7
Sp 56.1 27.6 41.8  90 19540519 -19 19600301  49.4 92 36.5 64  0.0  2.9 60.8  1.8
Su 81.8 45.7 63.8 102 19600720  21 19540605  68.5 61 57.7 93 15.6  0.0  2.1  0.0
Fa 59.4 28.0 43.7  96 19500905 -21 19771121  47.6 53 40.5 94  0.6  4.2 55.8  1.4
Station:(100375) ARCO 3 SW                 From Year=1948 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  0.93   4.79  69   0.00  61   1.05  10/1968  10.9  39.5  52   5   3   0   0
Fe  0.90   3.55  86   0.02  67   2.44  08/1985   6.2  22.0  99   5   2   0   0
Ma  0.70   2.58  82   0.00  93   1.23  17/1952   2.7  17.0  64   5   2   0   0
Ap  0.74   2.40  75   0.00  49   1.64  20/1981   0.7   7.5  97   5   2   0   0
Ma  1.24   4.15  57   0.16  50   1.89  15/1962   0.4   6.5  79   7   4   0   0
Jn  1.21   4.08  63   0.00  74   2.21  07/1953   0.0   0.0  49   7   4   0   0
Jl  0.64   3.39  85   0.00  49   1.40  02/1997   0.0   0.0  49   4   2   0   0
Au  0.70   3.86  68   0.00  78   1.57  19/1980   0.0   0.0  48   4   2   0   0
Se  0.65   2.32  61   0.00  51   1.31  20/1968   0.0   0.3  71   4   2   0   0
Oc  0.49   1.84  56   0.00  52   0.93  30/1964   0.3   5.5  91   3   2   0   0
No  0.73   1.88  81   0.00  53   0.93  30/1970   2.4  17.1  64   5   2   0   0
De  0.93   4.31  64   0.00  60   1.26  21/1982   8.1  34.9  64   5   3   0   0
An  9.85  15.33  68   6.31  56   2.44 19850208  31.6  96.1  64  59  29   4   1
Wi  2.76   8.08  69   0.55  92   2.44 19850208  25.1  69.0  52  15   8   1   0
Sp  2.68   5.69  57   0.27  92   1.89 19620515   3.9  17.0  64  17   8   1   0
Su  2.55   7.65  84   0.05  96   2.21 19530607   0.0   0.0  49  14   7   1   0
Fa  1.86   4.75  82   0.29  53   1.31 19680920   2.6  17.1  64  12   6   1   0