condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0391983 0.0 0.0601366 9 h after light 0.022649933333333334 0.0 0.0679498 12 h after light 0.02798485 0.0 0.0573622 3 h after dark 0.0234376 0.0 0.0703128 6 h after dark 0.02024863333333333 0.0 0.0607459 9 h after dark 0.03029923333333333 0.0 0.0908977 12 h after dark 0.0696335 0.0 0.139267