condition mean min max 4 h after light 659.8 659.8 659.8 8 h after light 719.3 654.2 784.4 12 h after light 670.75 655.2 686.3 4 h after dark 1079.5500000000002 617.2 1541.9 8 h after dark 1056.65 660.7 1452.6 12 h after dark 623.5999999999999 610.8 636.4