Table 2. Experimental Overview: Methane Droplets Observed and Not Observed^a.

observation number	mass (g)b			temperature (K)b		composition (mol% methane–alkane ratio)			drop height (cm)c		impact velocity (m/s)c		droplets observed
	original ethane mass	start pour methane	end pour methane	droplet	bulk liquid	dropletb	bulk liquid pour rangec		start pour	end pour	start pour	end pour
	±0.20	±0.20	±0.20	±0.4	±0.4		start pour	end pour	±0.5	±0.5
1	83.87	0.00	1.87	98.6	94.4	CH4	0 ± 0	4.0 ± 0.4	2.2	2.2	0.66 ± 0.08	0.66 ± 0.08	no
2	36.99	0.00	1.67	100.1	95.5	CH4	0 ± 0	7.8 ± 1	2.7	2.6	0.72 ± 0.07	0.72 ± 0.07	no
3	21.47	0.00	1.79	104.4	92.5	CH4	0 ± 0	13.5 ± 1.5	2.8	2.8	0.74 ± 0.07	0.74 ± 0.07	no
4	30.24	0.00	4.02	103.7	93.5	CH4	0 ± 0	20.0 ± 0.9	2.7	2.7	0.73 ± 0.07	0.72 ± 0.07	no
5	28.41	0.00	6.40	100.9	94.1	CH4	0 ± 0	29.7 ± 0.8	2.7	2.7	0.73 ± 0.07	0.72 ± 0.07	no
6	38.44	0.00	14.89	94.8	93.2	CH4	0 ± 0	42.1 ± 0.5	2.7	2.5	0.72 ± 0.07	0.70 ± 0.07	no
7	34.93	0.00	14.50	100.3	95.0	CH4	0 ± 0	43.8 ± 0.6	2.7	2.5	0.73 ± 0.07	0.70 ± 0.07	no
8	10.52	0.00	10.52	102.4	91.6	CH4	0 ± 0	69.2 ± 0.8	2.9	2.8	0.76 ± 0.07	0.74 ± 0.07	no
9	83.87	1.87	2.22	97.6	94.6	CH4	4.0 ± 0.4	4.7 ± 0.6	2.2	2.2	0.66 ± 0.08	0.66 ± 0.08	no
10	83.87	2.22	4.00	97.7	94.4	CH4	4.7 ± 0.6	8.2 ± 0.6	2.2	2.2	0.66 ± 0.08	0.65 ± 0.08	no
11	36.99	1.67	11.83	100.1	95.5	CH4	7.8 ± 1.0	37.5 ± 0.6	2.6	2.5	0.72 ± 0.07	0.70 ± 0.07	no
12	21.47	1.79	3.60	104.4	92.5	CH4	13.5 ± 1.5	23.9 ± 1.7	2.8	2.8	0.74 ± 0.07	0.74 ± 0.07	no
13	30.24	4.02	5.73	103.7	93.5	CH4	20.0 ± 0.9	26.2 ± 1.1	2.7	2.7	0.72 ± 0.07	0.72 ± 0.07	no
14	21.47	3.60	5.41	104.4	92.5	CH4	23.9 ± 1.7	32.1 ± 1.7	2.8	2.7	0.74 ± 0.07	0.73 ± 0.07	no
15	30.24	5.73	6.97	98.0	92.3	CH4	26.2 ± 1.1	30.2 ± 1.1	2.7	2.6	0.72 ± 0.07	0.72 ± 0.07	no
16	28.41	6.40	8.35	100.9	94.1	CH4	29.7 ± 0.8	35.5 ± 0.9	2.7	2.6	0.72 ± 0.07	0.72 ± 0.07	no
17	21.47	5.41	5.78	104.4	92.5	CH4	32.1 ± 1.7	33.5 ± 1.8	2.7	2.7	0.73 ± 0.07	0.73 ± 0.07	no
18	21.47	5.78	6.07	104.4	92.5	CH4	33.5 ± 1.8	34.6 ± 1.8	2.7	2.7	0.73 ± 0.07	0.73 ± 0.07	no
19	28.41	8.35	10.05	98.4	93.6	CH4	35.5 ± 0.9	39.9 ± 1.0	2.6	2.6	0.72 ± 0.07	0.72 ± 0.07	no
20	36.99	11.83	12.42	100.1	95.5	CH4	37.5 ± 0.6	38.6 ± 0.9	2.5	2.5	0.70 ± 0.07	0.70 ± 0.07	no
21	36.99	12.42	14.24	93.9	93.9	CH4	38.6 ± 0.9	41.9 ± 0.8	2.5	2.5	0.70 ± 0.07	0.70 ± 0.07	no
22	38.44	14.89	15.78	94.8	93.2	CH4	42.1 ± 0.5	43.5 ± 0.6	2.5	2.4	0.69 ± 0.07	0.69 ± 0.07	no
23	38.44	15.78	16.45	94.8	93.2	CH4	43.5 ± 0.6	44.5 ± 0.7	2.4	2.4	0.69 ± 0.07	0.69 ± 0.08	no
24	34.93	14.50	15.64	94.3	93.2	CH4	43.8 ± 0.6	45.6 ± 0.8	2.5	2.5	0.70 ± 0.07	0.70 ± 0.07	no
25	38.44	16.45	20.04	92.3	92.6	CH4	44.5 ± 0.7	49.4 ± 0.6	2.4	2.4	0.69 ±0.07	0.68 ± 0.08	no
26	10.52	10.52	21.34	99.8	92.1	CH4	69.2 ± 0.8	79.2 ± 0.5	2.8	2.6	0.74 ± 0.07	0.72 ± 0.07	no
27	10.99	30.60	57.45	97.0	91.6	CH4	83.9 ± 1.4	90.7 ± 0.2	2.5	2.1	0.70 ± 0.07	0.65 ± 0.08	no
28	10.99	57.45	81.30	95.8	91.6	CH4	90.7 ± 0.2	93.3 ± 0.1	2.1	1.8	0.65 ± 0.08	0.59 ± 0.09	no
29	10.99	81.30	107.05	97.7	92.0	CH4	93.3 ± 0.1	94.8 ± 0.1	1.8	1.5	0.59 ± 0.09	0.54 ± 0.10	no
30	10.99	107.05	122.46	101.0	90.2	CH4	94.8 ± 0.1	95.4 ± 0.1	1.5	1.3	0.54 ± 0.10	0.50 ± 0.11	yes

^aBold text: floating liquid droplets were observed. Regular text: floating liquid droplets were not observed.

^bMeasured experimentally.

^cCalculated.