Table 5.

Summary of Comparisons With the FP Measurements^a

	HWV	FISH	CIMS-H2O	DLH	ALIAS
14 Apr	0.30 ±0.23	−0.09 ±0.23	0.90±0.26
16 Apr	0.35 ±0.11				1.01 ±0.29
20 Apr	0.42 ±0.17	0.21 ±0.17	0.60±0.16	0.63 ± 0.17	0.89 ±0.23
21 Apr	0.50 ±0.17	0.15 ±0.12	0.92 ±0.10	0.78 ±0.20	0.88 ±0.14
23 Apr	0.40±0.14	0.04±0.15	0.69±0.14	0.88 ±0.27	0.77 ±0.22
Mean difference (all data)	0.38±0.16	0.04±0.21	0.71 ±0.20	0.77 ± 0.27	0.89 ±0.24

^aData only from final descents above 15 km as shown in Figure 8. Values are reported, for example, as HWV minus FP values in ppm.