Vaderlandsche letteroefeningen. Jaargang 1776

[p. 536]

Waarneemingen omtrent de lugts-gesteldheid, weder en wind, te Amsteldam, in October 1776.
Door Antonius Wilhelmus Schaaf, Med. Doct.

	Barometer.			Therm.			Winds Streek.			Weder.
D.	's morg.	's midd.	's av.	mo.	mi.	av.	's morg.	's midd.	's av.	Gesteldb.
1	29.11	29.11	29.11	56	66	60	O	O	O	Wind. Held.
2	30.0	30.0½	30.1	58	68	60	-	-	-	Helder.
3	-1	-1½	-	57	67	60	-	-	-	Mist. Held.
4	-0	29.11	29.10½	58	66	59	N t O	N W	N W	Held. Dond.
5	29.9½	-9	-8½	59	64	60	Z W	Z W	Z W	Betr. Dond.
6	-7½	-7	-8	59	64	56	-	-	N W	Held. Wolk.
7	-8½	-8½	-7	56	62	58	N W	-	Z W	- Reg. D.
8	-8	-9	-7½	58	60	59	W	Z	-	Held. Reg.
9	30.0	30.0½	30.0½	55	60	54	N W	W t N	W t N	Buijig.
10	29.11½	-0	-	54	60	56	-	N W	N W	-
11	-11	-	-1½	58	60	53	W t N	N t W	N	-
12	30.2	-2	-2½	52	59	53	N	N	-	Held. Betr.
13	-	-1	-0½	53	61	56	N W	W t N	W t N	Betr. Reg.
14	-0½	-	-1	56	62	56	-	N W	N W	Mist. -
15	-1	-	-	56	61	57	Z W	Z W	Z W	Betr. Held.
16	-0	29.11½	29.11½	47	63	56	Z O	Z t O	Z t O	Held. Betr.
17	29.10½	-10½	-	56	68	60	Z	Z	Z W	- Reg.
18	30.2	30.2½	30.2	54	63	54	Z W	W	W	-
19	29.11½	29.10½	29.10½	57	64	58	Z O	Z	Z	Reg. Held.
20	-10½	-	-11	57	68	60	-	-	-	Held. Wolk.
21	30.0	30.0	30.0	60	64	59	Z	Z W	Z W	Mist. Held.
22	-0½	-0½	-0½	53	65	59	Z t O	Z t O	Z t O	Held. Wolk.
23	-	-	-1	57	62	57	-	Z	O	Mist. Held.
24	-1	-1	-	53	54	53	O	N O	N O	- -
25	-0	29.11½	29.11	50	52	51	Z O	O	Z	Held. Reg.
26	29.10½	-10	-10	48	51	50	O	-	O	Mist. Held.
27	-9	-9	-	49	56	51	N	N W	N W	Betr. -
28	-11	30.0	30.0½	48	56	50	-	N	N	Held. Mist.
29	30.0½	-0½	-	47	56	50	Z W	Z	Z	- Wolk.
30	-	29.11½	29.11	43	53	48	Z	Z	Z O	-
31	29.10½	-10½	-11½	44	49	47	Z O	O	O	Mist. Held.

Hoogste Barometer d. 30.2½	} middelb. d. 29.10¾
Laagste Barometer d. 29.7	} middelb. d. 29.10¾
Hoogste Thermometer gr. 68.	} middelb. gr. 55½
Laagste Thermometer gr. 43.	} middelb. gr. 55½