condition mean min max 0 h after light 1.1454650000000002 1.05102 1.23991 4 h after light 1.4262825000000001 0.971825 1.88074 8 h after light 1.8605 1.45633 2.26467 4 h after dark 2.266025 1.9749 2.55715 8 h after dark 1.2278815 0.845413 1.61035 12 h after dark 1.3572525 0.571495 2.14301