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:(102260) CRATERS OF THE MOON NM   
From Year=1958 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 28.9 10.3 19.6  58  19/1971 -24  12/1963  27.6 81  9.6 79  0.0 19.4 30.5  5.8
Fe 34.1 14.1 24.0  60  20/1982 -19  05/1982  35.3 91 12.7 85  0.0 11.2 27.6  2.7
Ma 41.5 20.4 30.9  67  28/1986 -18  03/1979  42.3 92 22.0 64  0.0  3.9 29.3  0.8
Ap 53.2 28.1 40.6  83  17/1988   7  02/1975  50.7 88 32.2 75  0.0  0.1 22.6  0.0
Ma 64.5 36.8 50.7  88  16/1988  15  06/1968  59.4 92 45.0 59  0.0  0.0  9.2  0.0
Jn 74.3 44.5 59.5  98  25/1988  25  06/1962  66.6 88 53.5 64  1.3  0.0  1.5  0.0
Jl 84.3 51.8 68.1 100  08/1996  30  08/1981  73.2 89 59.5 93  6.0  0.0  0.1  0.0
Au 82.6 50.1 66.3  97  01/1992  30  25/1960  71.9 81 59.6 68  4.7  0.0  0.3  0.0
Se 71.6 40.9 56.2  92  01/1995  16  18/1965  64.2 90 48.0 70  0.2  0.0  4.7  0.0
Oc 59.1 31.3 45.2  85  01/1992   2  28/1971  54.4 88 38.7 69  0.0  0.4 16.8  0.0
No 40.3 20.5 30.4  66  01/1965 -11  30/1975  38.2 95 21.8 85  0.0  6.2 28.0  0.8
De 29.9 11.2 20.5  52  03/1958 -37  24/1983  28.5 58 12.3 90  0.0 17.9 30.4  4.5
An 55.4 30.0 42.7 100 19960708 -37 19831224  45.8 94 39.8 64 12.1 59.2201.1 14.4
Wi 31.0 11.9 21.4  60 19820220 -37 19831224  26.6 81 14.5 85  0.0 48.5 88.5 12.9
Sp 53.1 28.4 40.7  88 19880516 -18 19790303  47.1 87 35.1 75  0.0  4.0 61.1  0.8
Su 80.4 48.8 64.6 100 19960708  25 19620606  69.1 88 59.5 93 12.0  0.0  1.9  0.0
Fa 57.0 30.9 43.9  92 19950901 -11 19751130  46.8 62 38.1 85  0.2  6.7 49.6  0.8
Station:(102260) CRATERS OF THE MOON NM    From Year=1958 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  2.18  12.18  69   0.08  91   2.98  21/1969  22.4  57.0  69   8   4   1   0
Fe  1.59   5.53  99   0.00  88   2.32  01/1963  17.7  50.0  93   7   4   1   0
Ma  1.29   3.44  95   0.00  94   1.24  12/1964   9.9  44.0  83   7   4   1   0
Ap  1.05   3.29  82   0.10  74   2.05  20/1981   4.7  19.4  65   6   3   0   0
Ma  1.76   5.40  80   0.14  74   1.72  15/1962   2.3  12.5  75   9   5   1   0
Jn  1.30   4.15  63   0.05  74   1.78  10/1963   0.0   1.0  98   8   4   1   0
Jl  0.70   3.40  87   0.00  59   1.11  17/1987   0.0   0.0  59   4   2   0   0
Au  0.85   3.71  68   0.00  67   1.30  20/1968   0.0   0.0  59   4   3   0   0
Se  0.89   3.57  61   0.00  64   1.40  11/1976   0.5  10.0  61   5   2   0   0
Oc  0.87   2.56  91   0.00  88   1.80  19/1979   1.7  10.7  61   5   2   0   0
No  1.41   4.48  73   0.00  76   1.35  23/1988  11.1  32.0  84   8   4   1   0
De  1.82   8.73  64   0.08  86   2.79  22/1964  19.8  59.0  82   8   5   1   0
An 15.71  22.11  69   9.45  74   2.98 19690121  90.0 157.6  64  80  42   8   2
Wi  5.59  20.52  69   0.64  91   2.98 19690121  59.9 128.9  69  23  13   3   1
Sp  4.09   8.56  95   0.92  69   2.05 19810420  16.8  58.5  83  23  12   2   0
Su  2.85   6.75  84   0.20  96   1.78 19630610   0.0   1.0  98  17   8   1   0
Fa  3.17   5.83  98   0.78  90   1.80 19791019  13.2  35.0  94  17   9   2   0