condition mean min max 4 h after light 291.299781 194.961724 387.637838 8 h after light 179.034565 171.823264 186.245866 12 h after light 138.56077950000002 97.735656 179.385903 4 h after dark 37.974408 26.275585 49.673231 8 h after dark 33.149103 31.79363 34.504576 12 h after dark 273.883024 273.883024 273.883024