Land and Rural Retreats St. Ignatius, Lake County, MT Farms and Ranches For Sale - 355 Acres
The solar wind speed at Earth normally lies around 300km/sec but increases when a coronal hole high speed stream (CH HSS) or coronal mass ejection (CME) arrives. During a coronal mass ejection impact, the solar wind speed can jump suddenly to 500, or even more than 1000km/sec.
Over the course of May typical wind speeds vary from 3 mph to 17 mph (light air to moderate breeze), rarely exceeding 24 mph (strong breeze). The highest average wind speed of 10 mph (gentle breeze) occurs around May 1, at which time the average daily maximum wind speed is 17 mph (moderate breeze).The lowest average wind speed of 9 mph (gentle breeze) occurs around May 29, at which time the average daily maximum wind speed is 15 mph (moderate breeze).rom the start to the end of the month, the length of the day increases by 53 minutes, implying an average day-over-day increase of 1.7 minutes. The shortest day of the month is May 1 with 13:55 hours of daylight; the longest day is May 31 with 14:47 hours of daylight.