condition mean min max 4 h after light 881.345 871.515 898.9366667 8 h after light 1000.5222223333334 852.69 1086.986667 12 h after light 844.9011111 721.17 975.93 1.5 h after dark 834.7944444666666 692.1266667 907.43 5.5 h after dark 1084.2388889 977.4266667 1187.163333 9.5 h after dark 1045.4455556666667 1024.176667 1066.98