As documented in the OWM API (https://openweathermap.org/api/one-call-api), rain and snow are reported on a 1h basis:
current.rain
current.rain.1h (where available) Rain volume for last hour, mm
current.snow
current.snow.1h (where available) Snow volume for last hour, mm
* Consolidate
* Fix tests
* Update imports
* Fix import
* Use importlib because integration and package share name
* Fix more tests
* Update .coveragerc and CODEOWNERS