condition mean min max 0 h after light 17.74275 17.6345 17.851 2 h after light 14.159400000000002 13.4646 14.8542 4 h after light 16.7586 16.4308 17.0864 8 h after light 17.42355 16.0496 18.7975 12 h after light 31.018250000000002 28.475 33.5615 2 h after dark 33.24835 28.4437 38.053 4 h after dark 29.7473 27.6532 31.8414 8 h after dark 36.35745 33.3063 39.4086 12 h after dark 21.5703 20.0505 23.0901