condition mean min max 4 h after light 15.6960355 15.641587 15.750484 8 h after light 14.1052415 13.610419 14.600064 12 h after light 11.664345 10.12589 13.2028 4 h after dark 13.429345999999999 13.13848 13.720212 8 h after dark 14.328809 14.178753 14.478865 12 h after dark 13.459956 13.459956 13.459956