condition mean min max 4 h after light 9.5107 8.7081 10.3133 8 h after light 6.37151 5.57264 7.17038 12 h after light 5.312564999999999 5.18805 5.43708 4 h after dark 6.711593333333333 6.22056 7.06166 8 h after dark 6.298353333333333 5.70221 7.10667 12 h after dark 7.10948 5.97544 7.71166