condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.029981933333333335 0.0 0.0899458 3 h after dark 0.05595376666666666 0.0 0.0923971 6 h after dark 0.031719366666666665 0.0 0.0951581 9 h after dark 0.050728 0.0 0.152184 12 h after dark 0.0327406 0.0 0.0982218