condition mean min max 4 h after light 0.8749665 0.664303 1.08563 8 h after light 1.3605049999999999 1.28495 1.43606 12 h after light 1.514575 1.37205 1.6571 4 h after dark 0.083061 0.0 0.249183 8 h after dark 0.959182 0.397356 1.67477 12 h after dark 0.462581 0.0 0.986257