condition mean min max 4 h after light 60.16435 58.1212 62.2075 8 h after light 31.234899999999996 29.9731 32.4967 12 h after light 51.051249999999996 50.9565 51.146 4 h after dark 130.8125 127.632 133.993 8 h after dark 110.654 110.083 111.225 12 h after dark 87.98575 84.0227 91.9488