condition mean min max 4 h after light 3282.3121875 2828.529038 3736.095337 8 h after light 2672.99403 2437.020252 2908.967808 12 h after light 2816.3382295 2453.5185 3179.157959 4 h after dark 2838.292094 2373.659824 3302.924364 8 h after dark 2391.4001605 1357.748866 3425.051455 12 h after dark 2877.518111 2877.518111 2877.518111