condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.6373139999999999 0.62683 0.647798 8 h after light 1.49189 1.25799 1.72579 4 h after dark 1.35493 1.04478 1.66508 8 h after dark 0.8375035 0.631427 1.04358 12 h after dark 0.209332 0.207027 0.211637