condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.053441633333333335 0.0188483 0.101382 12 h after light 0.06663333333333334 0.0 0.1999 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0323008 0.0 0.0969024