US Weather Bureau; US Environmental Data Service; National Climatic Center. National Summary. Climatological Data. Annual 1966, 17 (13): 78–79 [2020-04-13]. (原始内容存档于2022-05-04).请检查|date=中的日期值 (帮助)
US Weather Bureau; US Environmental Data Service; National Climatic Center. National Summary. Climatological Data. Annual 1966, 17 (13): 78–79 [2020-04-13]. (原始内容存档于2022-05-04).请检查|date=中的日期值 (帮助)