condition mean min max 0 h after light 1.164075 0.97107 1.35708 4 h after light 0.6180749999999999 0.446001 0.790149 8 h after light 0.5827994999999999 0.526256 0.639343 4 h after dark 1.0818375 0.698145 1.46553 8 h after dark 0.8303395 0.705999 0.95468 12 h after dark 1.40784 1.07321 1.74247