condition mean min max 4 h after light 0.00591955 0.0 0.0118391 8 h after light 0.0 0.0 0.0 12 h after light 0.0157297 0.0 0.0314594 4 h after dark 0.024350133333333333 0.0 0.0457987 8 h after dark 0.009047600000000001 0.0 0.0271428 12 h after dark 0.0243178 0.0 0.060513