In a METAR such as this one:
KGOK 161553Z AUTO 18011KT 4SM BR OVC007 07/05 A3011 RMK AO2 SLP201 T00670050
Translated to:
Jan 16, 1553Z, Automated. Mist, Wind from 180° at 11 knots, 4 statute miles visibility, Ceiling is Overcast at 700 feet, Temperature 7°C, Dewpoint 5°C, Altimeter is 30.11. Remarks: automated station with precipitation discriminator sea level pressure 1020.1 hectopascals hourly temp 6.7°C dewpoint 5.0°C
Why would I want/need to know, or what would I do with, this information in the remarks section:
sea level pressure 1020.1 hectopascals hourly temp 6.7°C dewpoint 5.0°C