10 0 CLEAR AND DRY 21 1 DAMP 32 2 WET WITH WATER PATCHES 43 3 RIME AND FROST COVERED (DEPTH NORMALLY LESS THAN 1 MM) 54 4 DRY SNOW 65 5 WET SNOW 76 6 SLUSH 87 7 ICE 98 8 COMPACTED OR ROLLED SNOW 109 9 FROZEN RUTS OR RIDGES 1115 15 MISSING OR NOT REPORTED (E.G. DUE TO RUNWAY CLEARANCE IN PRO" GRESS) 12