On average, the air is driest around September 28 th, when the relative humidity can drop below 66% three days out of four. On the other hand, the air is likely to be most humid around September 23 rd, where relative humidity levels can rise above a very humid 87% three days out of four.
Green cards are valid for 10 years for permanent residents, and 2 years for conditional permanent residents. After this period, the card must be renewed or replaced. Cards issued between January 1977 and August 1989 do not have document numbers or expiration dates and are valid indefinitely.
You can use your Green Card to: 1  Prove employment eligibility in the United States when completing the Form I-9, Employment Eligibility Verification. 2  Apply for a Social Security Card and a state issued driverâs license. A Green Card is valid for readmission to the United States after a trip abroad if you do not leave for longer than 1 year. If your trip will last longer than 1 year, a reentry permit is needed.