condition mean min max 4 h after light 0.170092 0.0 0.356413 8 h after light 0.1588997 0.0487901 0.27445 12 h after light 0.19156116666666667 0.0558755 0.31515 4 h after dark 0.17509133333333332 0.0 0.418931 8 h after dark 0.3267196666666667 0.0 0.742533 12 h after dark 0.485683 0.380075 0.555975