condition mean min max 0 h after light 2.21494 1.47838 2.9515 4 h after light 2.11895 1.69164 2.54626 8 h after light 1.1968205 0.751111 1.64253 4 h after dark 1.9065950000000003 1.63054 2.18265 8 h after dark 1.463383 0.545036 2.38173 12 h after dark 3.01958 1.80208 4.23708