select count(*) from aw_district_weather_forecast
select min(issued_on), max(issued_on) from aw_district_weather_forecast where issued_on > '2005-01-01'

select count(*) from aw_district_weather_forecast_2013
--select count(*) from aw_district_weather_forecast_2012_bak

select count(*) from aw_district_weather_forecast where issued_on between '2013-01-01' and '2013-12-31 23:59'

--elect * into aw_district_weather_forecast_2013 from aw_district_weather_forecast where issued_on between '2013-01-01' and '2013-12-31 23:59'
--elete from aw_district_weather_forecast where issued_on between '2013-01-01' and '2013-12-31 23:59'
