condition mean min max 4 h after light 11.2124665 9.842113 12.58282 8 h after light 10.947752000000001 10.821033 11.074471 12 h after light 11.4478995 10.751762 12.144037 4 h after dark 12.092278499999999 11.423646 12.760911 8 h after dark 10.0590945 9.500395 10.617794 12 h after dark 13.615643 13.615643 13.615643