condition mean min max 3 h after light 31.624033333333333 29.641 32.8277 6 h after light 26.6697 20.5095 30.1626 9 h after light 32.6311 29.1414 38.6557 12 h after light 35.716325 29.9683 41.152 3 h after dark 35.96673333333333 33.4053 39.4394 6 h after dark 31.5721 29.6928 32.6149 9 h after dark 23.100866666666665 20.0982 28.934 12 h after dark 22.846049999999998 18.0904 27.6017