2021 4th quarter WFMS flags

[wmay]

• NO/NOx cal issues (low ozone flow), 10-02 to 10-06 and 10-18 to 10-24
• anemometer A malfunction, 10-20 to 10-27 -- check emails
• black carbon problem, 11-02 to 11-24 (missing data files?)
• ozone problems related to power, 11-12 to 11-16 and 11-23 to 11-24 (not recorded in Envidas)
• temp/RH malfunctions, starting December
• EPC weirdness, 12-01 to 12-15 -- check ultrafine file, emails
• Envidas data gaps, 12-11 to 12-15