condition mean min max 4 h after light 243.4 243.4 243.4 8 h after light 333.65 221.0 446.3 12 h after light 540.2 534.2 546.2 4 h after dark 804.1500000000001 589.1 1019.2 8 h after dark 964.75 799.7 1129.8 12 h after dark 555.65 390.7 720.6