Some checks are catching too many rows

[Aariq]

• [x] sol_rad_total < 1 for more than 14 hrs should probably be sol_rad_total < 0.01 or something. Units issue.
• [x] wind_spd_mps < 1 for more than 14 hrs should be < 0.01.
• [x] temp ≤ dwpt failing for rounding issues, make less strict.