Table 11: Number of weather reports by type of ceiling value used, 2009 to 2013 Ceiling Number of value METARs and SPECIs Reported in body text octas >= 5 33,386 Octas sum > 0 but < 5 set ceiling to 4999 4,075 18,286 used: SKC (set to 9999), NSC, NCD, CAVOK (set to 4999) 40,165 CLD: Below XXX, (set to XXX) 155 Explicit cloud groups in remarks 189 Slant Visibility Height where CLD: SKY MAY BE OBSC reported 36 0 Average of prior and after METAR within set time limits 47 2
Table 11: Number of weather reports by type of ceiling value used, 2009 to 2013 Ceiling value Number of METARs and SPECIs Reported in body text octas >= 5 33,386 Octas sum > 0 but < 5 set ceiling to 4999 4,075 18,286 used: SKC (set to 9999), NSC, NCD, CAVOK (set to 4999) 40,165 CLD: Below XXX, (set to XXX) 155 Explicit cloud groups in remarks 189 Slant Visibility Height where CLD: SKY MAY BE OBSC reported 36 0 Average of prior and after METAR within set time limits 47 2
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