condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.14037566666666668 0.0 0.215359 9 h after light 0.07307533333333334 0.0 0.219226 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.06166233333333334 0.0 0.184987 12 h after dark 0.0 0.0 0.0