Climatic Normals and Extremes for Los Alamos and White Rock
Climatic averages (or normals) and extremes are based on the data files
described above. Averages are computed for a 30 - year record, if
it exists, ending on a decade. We are now using the 1961 - 1990 period
for Los Alamos. Because observations in White Rock only go back to
1965, we are basing normals for that station on the 1965 - 1994 period.
Extremes are based on the entire record through the previous month.
Wind Statistics
Wind Climatology is characterized with a special frequency distribution plot
called the wind rose. In the wind rose plot, the length of the spoke is proportional
to the frequency with which the wind blows from the indicated direction. Wind
statistics are available for daytime,
nighttime, and
the full 24 hours. Daytime is defined as the period from sunrise to sunset.
Annual Summaries
These are annual weather summaries for the past eleven years, showing
monthly temperature ranges, monthly precipitation totals, and
monthly snowfall totals, as well as 30-year normals for those variables.
Annual averages and totals, along with 30-year normals, are also included.
Brief Climatology
This brief climatology contains all the
"official" statistics, and you are encouraged to use it in documents
requiring LANL site characterization. Work continues on characterization of
canyon flow, the surface energy balance, and regional wind patterns, and
material on these topics will be added as time permits.
Sunrise/Sunset
This form returns sunrise and sunset information for a user-specified
latitude, longitude, and date. Solar and lunar parameters can also
returned for the current day for Los Alamos using this form.
Los
Alamos National Laboratory
Operated by the University of California
for the US Department of Energy
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