condition mean min max 4 h after light 0.04158955 0.0 0.0831791 8 h after light 0.0329554 0.0 0.0659108 12 h after light 0.17492575 0.0768085 0.273043 4 h after dark 0.09808133333333333 0.0 0.185825 8 h after dark 0.0321127 0.0 0.0963381 12 h after dark 0.059866333333333334 0.0 0.179599