The Weather Stress Index, or WSI, is a relative measure of the weather conditions, often used as a comfort indicator. The index, a number between 0 and 100, represents the percentage of time in the past with temperatures below the current temperature, for a given location, day and time.
Best Answer:  A free lease means that the horse is leased to someone without any payment to the owner. Now, depending on the contract, the person leasing the horse may have to pay for board, vet, farrier, etc. although some lease agreements may require the owner to pay those bills.
Wild Horses and the Ecosystem. The Wild Free-Roaming Horse and Burro Act recognizes the wild horse as an integral component of the natural system.. It stipulates that horses can only be removed from public lands if it is proven that they are overpopulating or are causing habitat destruction. It further mandates that the government maintain specific ranges on public lands as sanctuaries for their protection and preservation..