Page:Handbook of Meteorology.djvu/295

Table 24

Weight of a cubic foot of water in pounds, av., between the freezing and the boiling point. F

t°	Wt	t°	Wt
32	62.42	130	61.56
40	62.42	140	61.37
50	62.41	150	61.18
60	62.41	150	61.18
70	62.31	170	60.77
80	62.23	180	60.55
90	62.13	190	60.32
100	62.13	190	60.32
110	61.89	210	59.88
120	61.74	212	59.83

Volume of a cubic foot of water from temperature of maximum density to that of boiling point. F

t°	Wt	t°	Wt
39.1	1.00000	131	1.01423
50	1.00025	140	1.01678
59	1.00083	140	1.01678
68	1.00171	158	1.02241
77	1.00286	167	1.02548
86	1.00425	176	1.02872
95	1.00586	185	1.03213
104	1.00767	194	1.03570
113	1.00967	203	1.03943
122	1.01186	212	1.04332

Table 25—Longest Summer Day and Winter Night in Different Latitudes

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Lat	Mar 20	Apr 5	Apr 20	May 5	May 20	June 5	June 20	Lat
0°	12:00	12:00	12:00	12:00	12:00	12:00	12:00	0°
10	12:00	12:11	12:23	12:34	12:44	12:47	12:49	10
20	12:00	12:21	12:47	13:08	13:27	13:34	13:38	20
30	12:00	12:32	13:10	13:42	14:10	14:21	14:27	30
40	12:00	12:43	13:33	14:16	14:53	15:08	15:16	40
45	12:00	12:48	13:43	14:33	15:35	15:31	15:40	45
50	12:00	12:54	13:57	14:48	15:36	15:55	16:05	50
55	12:00	13:07	14:26	15:32	16:28	16:58	17:17	50
60	12:00	13:20	14:55	16:14	17:20	18:00	18:30	60
65	12:00	13:45	15:40	17:25	19:10	20:55	22:40	65
65.5	12:00	14:00	16:00	18:00	20:00	22:00	24:00	65.5
	Sept 20	Sept 5	Aug 20	Aug 5	July 20	July 5	June 20
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