condition mean min max 4 h after light 0.5768645 0.436566 0.717163 8 h after light 0.0288278 0.0 0.0576556 12 h after light 1.9893200000000002 1.94846 2.03018 4 h after dark 6.6294233333333334 5.36417 7.88531 8 h after dark 1.4717283333333333 0.674175 2.16575 12 h after dark 0.9210849999999999 0.584575 1.1575