USUnits = {"group_altitude" : "foot",
"group_count" : "count",
"group_degree_day" : "degree_F_day",
"group_direction" : "degree_compass",
"group_elapsed" : "second",
"group_interval" : "minute",
"group_moisture" : "centibar",
"group_percent" : "percent",
"group_pressure" : "inHg",
"group_radiation" : "watt_per_meter_squared",
"group_rain" : "inch",
"group_rainrate" : "inch_per_hour",
"group_speed" : "mile_per_hour",
"group_speed2" : "mile_per_hour2",
"group_temperature" : "degree_F",
"group_time" : "unix_epoch",
"group_uv" : "uv_index",
"group_volt" : "volt"}
# This dictionary maps unit groups to a standard unit type in the
# metric unit system:
MetricUnits = {"group_altitude" : "meter",
"group_count" : "count",
"group_degree_day" : "degree_C_day",
"group_direction" : "degree_compass",
"group_elapsed" : "second",
"group_interval" : "minute",
"group_moisture" : "centibar",
"group_percent" : "percent",
"group_pressure" : "mbar",
"group_radiation" : "watt_per_meter_squared",
"group_rain" : "cm",
"group_rainrate" : "cm_per_hour",
"group_speed" : "km_per_hour",
"group_speed2" : "km_per_hour2",
"group_temperature" : "degree_C",
"group_time" : "unix_epoch",
"group_uv" : "uv_index",
"group_volt" : "volt"}