Where data are taken from NWS Coop stations measurement may be to the nearest 0.25cm. TABLE 2 2 LEVEL 0 Meteorological Measurements Frequency of Observation Variable Observation Record Entry MaxMin Temperature Daily Daily Precipitation Daily Daily TABLE 2 3 LEVEL 0 Meteorological Summaries For InterSite Reports Variable Determination Units Values Temperature Observation Celsius Daily Maximum Daily Minimum Daily sum of the two Celsius MaxMin values Daily Mean divided by two Monthly sum of the Celsius Monthly Mean MaxMin values per day divided by two divided by the number of days in the month Extreme Extracted from the Celsius Monthly Maximum Temperature Observation Record Monthly Minimum of the MaxMin Thermometers Precipitation Daily total preci mm Daily total pitation Summation of daily mm Monthly Total Record per month 3.0 LEVEL 1 METEOROLOGY 3.1 Instrumentation All LTER sites should eventually maintain a Level 1 meteorological station for standardized measurement of four variables: Air Temperature Atmospheric Moisture Precipitation Wind Travel Two additional variables, required at level 2, namely Wind Direction and Solar Radiation, are optional but recommended for Level 1.
(data; are taken; from NWS Coop stations measurement) (Extreme; Extracted; from the Celsius Monthly Maximum Temperature Observation Record Monthly Minimum of the MaxMin Thermometers Precipitation Daily total preci mm Daily total pitation Summation of daily mm Monthly Total Record per month 3.0 LEVEL 1 METEOROLOGY 3.1 Instrumentation All LTER sites) (Celsius Monthly; should maintain; a Level 1 meteorological station for standardized measurement of four variables; T:eventually) (Temperature Observation Celsius Daily Maximum Daily Minimum Daily sum of the two Celsius MaxMin values Daily Mean; divided; ) (the Celsius Monthly Mean MaxMin values per day; divided; by two) (two; divided; by the number of days; T:in the month)
data Extreme Celsius Monthly Temperature Observation Celsius Daily Maximum Daily Minimum Daily sum of the two Celsius MaxMin values Daily Mean the Celsius Monthly Mean MaxMin values per day two
are taken Extracted should maintain divided divided divided
from NWS Coop stations measurement
from the Celsius Monthly Maximum Temperature Observation Record Monthly Minimum of the MaxMin Thermometers Precipitation Daily total preci mm Daily total pitation Summation of daily mm Monthly Total Record per month 3.0 LEVEL 1 METEOROLOGY 3.1 Instrumentation All LTER sites
a Level 1 meteorological station for standardized measurement of four variables T:eventually
by two
by the number of days T:in the month