condition mean min max 0 h after light 0.86791 0.73363 1.00219 4 h after light 0.7805755 0.760218 0.800933 8 h after light 2.54457 2.25187 2.83727 4 h after dark 2.4932 2.10433 2.88207 8 h after dark 1.879215 1.7222 2.03623 12 h after dark 0.7869189999999999 0.466228 1.10761