condition mean min max 0 h after light 0.431739 0.123166 0.740312 4 h after light 0.8035415 0.728607 0.878476 8 h after light 1.169933 0.877626 1.46224 4 h after dark 0.6069720000000001 0.120964 1.09298 8 h after dark 1.645765 1.33433 1.9572 12 h after dark 0.6069635 0.492001 0.721926