condition mean min max 4 h after light 281.404649 181.676573 381.132725 8 h after light 307.91358 268.53944 347.28772 12 h after light 337.800274 308.588968 367.01158 4 h after dark 407.4921505 403.462826 411.521475 8 h after dark 436.38066549999996 303.887267 568.874064 12 h after dark 363.667882 363.667882 363.667882