Unusual wintry precipitation recently. Two airborne radon tests in a sleeping room for 96 hours during storm period reveal both less than minimal detectable levels. Airborne carbon dioxide levels in same sleeping room sampled near midnight and again around dawn for last 26 days reveal levels 401 to 730 ppm. Standard deviation of 26 midnight samples 88 ppm; standard deviation of 26 morning samples 95 ppm with a moderate + correlation between daily night and day samples. Tap water electroconductivity tested the last 18 mornings: 153 ms/cc with standard deviation of 12.5 ms/cc. RH in the bathroom reached an all-time low of 10% during the storm period.