Initialize site obs/forecasts and fetch/update obs for PNNL site.


fetch(api, site, start, end) Retrieve observation data for PNNL site for 1 year.
initialize_site_forecasts(api, site) Create forecasts for each variable in VARIABLE_MAP.values().
initialize_site_observations(api, site) Creates an observation at the site for each VARIABLE_MAP.values().
update_observation_data(api, sites, …[, …]) Post new observation data to all PNNL observations from start to end.