condition mean min max 4 h after light 0.40608449999999996 0.186159 0.62601 8 h after light 1.618765 1.5559 1.68163 12 h after light 7.2688500000000005 6.63025 7.90745 4 h after dark 8.172593333333333 7.82526 8.54118 8 h after dark 2.21543 2.01493 2.50107 12 h after dark 0.7250380000000001 0.473832 0.897379