condition mean min max 4 h after light 342.4545 337.4881 351.9974 8 h after light 406.2113 345.3579 467.4986 12 h after light 226.1362 189.0454 277.2859 16 h after light 345.6872 300.5164 422.0013 4 h after dark 390.9143 372.1198 407.8496 8 h after dark 259.6838333333333 174.2145 318.6376