condition mean min max 4 h after light 0.02060155 0.0 0.0412031 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.037684333333333334 0.0 0.113053