condition mean min max 4 h after light 342.3 342.3 342.3 8 h after light 248.05 243.1 253.0 12 h after light 348.79999999999995 316.2 381.4 4 h after dark 311.45000000000005 261.3 361.6 8 h after dark 355.35 337.1 373.6 12 h after dark 288.4 284.9 291.9