tables
| ambient_temperature_emd | record the ambient temperature hourly: 2019-01-01 00:00:00 to 2019-08-01 01:00:00 |
| heat_sale | only 5 records, records the amount sale per month from 2019 Feb to 2019 June. |
| make_up_water | like heat_sale table, just 5 records. |
| opex | don‘t know |
| return_temperature | readtime; temperature; |
| supply_temperature | readtime; temperature; |
| total_heat_production | no data; |
| unit_heat_production | readtime, records per seconds(not stable); amount |
| Unit_production_cost | just 5 records/rows |
not useful. the data is not about the energy consumption.
Public data website: OpenEI;
select * from hfors.ambient_temperature_emd where readtime > ‘2019-07-30 22:00:00‘
原文：https://www.cnblogs.com/dulun/p/12203811.html