yr: Implement feels like temperature.
yr: Implement feels like temperature.

Former-commit-id: eff987a7241a88c82b58ca4e8541e64a241f19bd [formerly 5d69a6ee4661624d8be34a6816495196d0f49159]
Former-commit-id: 43885d61bcd35328b780e849716a9fcc5029e999
torhve/ivar2,torhve/ivar2,torhve/ivar2,haste/ivar2