Table 4 1970–2012 monthly relative humidity trends at intercontinental airport
Measurement | Rainfall in inches least-squares equation (y = RH, x = number of months since Dec 1969) | Decadal trend (%/decade) | P-value (slope ≠ 0) |
|---|---|---|---|
IAH seasonally-adjusted relative humidity at 0:00 (%) | y = −0.013x + 87.97 | −1.56 | 0.00 |
IAH seasonally-adjusted relative humidity at 6:00 (%) | y = −0.012x + 87.95 | −1.44 | 0.00 |
IAH seasonally-adjusted relative humidity at 12:00 (%) | y = −0.009x + 61.03 | −1.08 | 0.00 |
IAH seasonally-adjusted relative humidity at 18:00 (%) | y = −0.010x + 66.66 | −1.20 | 0.00 |