condition mean min max 0 h after light 0.0755005 0.0754332 0.0755678 4 h after light 0.0756169 0.074373 0.0768608 8 h after light 0.0 0.0 0.0 4 h after dark 0.0370425 0.0 0.074085 8 h after dark 0.0 0.0 0.0 12 h after dark 0.14984350000000002 0.073691 0.225996