condition mean min max 4 h after light 146.2645145 123.685189 168.84384 8 h after light 262.27826 253.462003 271.094517 12 h after light 363.1784225 325.878345 400.4785 4 h after dark 273.06268850000004 205.047166 341.078211 8 h after dark 291.00079900000003 265.68059 316.321008 12 h after dark 319.292341 319.292341 319.292341