condition mean min max 2 h after light 0.2657065 0.116182 0.458358 6 h after light 0.472699 0.281007 1.08793 10 h after light 2.473281666666667 1.19642 3.33243 14 h after light 2.4932149999999997 1.45867 5.48891 18 h after light 1.433147 0.926562 1.90525 2 h after dark 0.31177716666666666 0.102022 0.620631