condition mean min max 4 h after light 485.55801399999996 458.425545 512.690483 8 h after light 613.5126190000001 545.30898 681.716258 12 h after light 551.66943 506.060138 597.278722 4 h after dark 495.43062549999996 468.398425 522.462826 8 h after dark 294.179505 221.524021 366.834989 12 h after dark 326.745636 326.745636 326.745636