condition mean min max 4 h after light 164.6 164.6 164.6 8 h after light 204.7 135.4 274.0 12 h after light 230.05 208.8 251.3 4 h after dark 221.6 191.5 251.7 8 h after dark 230.64999999999998 123.6 337.7 12 h after dark 158.5 145.2 171.8