condition mean min max 2 h after light 3.7991 2.88426 4.60716 6 h after light 6.057028333333333 3.4852 9.04238 10 h after light 5.32973 4.07939 7.06612 14 h after light 4.719375 2.38192 6.39079 18 h after light 4.456463333333334 2.30905 7.11173 2 h after dark 3.9049533333333333 2.62412 7.31017