When a party to a contract is unwilling, or exhibits behaviour which suggests that they are unwilling to perform their contractual obligations, the innocent party has the right to terminate the contract due to repudiation.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 27 degrees Fahrenheit, and moderate during winter with an average difference of 22 degrees Fahrenheit. The annual average precipitation at Delmont is 39.96 Inches. Rainfall in is fairly evenly distributed throughout the year.
PA growing zones. According to this chart, SW PA, esp allegheny county has been zoned as zone 6a. This would put the lowest winter temps at around -10 to -5 degrees F. I can't remember the last time we had temps this cold. Usually it will get as cold as 5-10 degrees here and 5 is really pushing it.