condition mean min max 4 h after light 284.1 284.1 284.1 8 h after light 201.2 195.8 206.6 12 h after light 272.6 212.5 332.7 4 h after dark 280.35 217.3 343.4 8 h after dark 294.20000000000005 276.1 312.3 12 h after dark 324.85 268.2 381.5