condition mean min max 0 h after light 1.5676139999999998 0.834958 2.30027 2 h after light 0.393668 0.0 0.787336 4 h after light 0.451192 0.443059 0.459325 8 h after light 0.3236185 0.0 0.647237 12 h after light 1.135065 1.06178 1.20835 2 h after dark 0.0 0.0 0.0 4 h after dark 0.379238 0.0 0.758476 8 h after dark 1.132841 0.901872 1.36381 12 h after dark 0.56582 0.0 1.13164