condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.11336523333333334 0.0399826 0.215061 12 h after light 0.047116 0.0 0.141348 4 h after dark 0.0 0.0 0.0 8 h after dark 0.18816866666666665 0.0 0.391005 12 h after dark 0.0 0.0 0.0