condition mean min max 4 h after light 0.00873165 0.0 0.0174633 8 h after light 0.0190972 0.0 0.0381944 12 h after light 0.06948004999999999 0.0693003 0.0696598 4 h after dark 0.04588455 0.0308831 0.060886 8 h after dark 0.03031015 0.0152558 0.0453645 12 h after dark 0.022529 0.0 0.045058