Weather archive in Nurmijarvi Geomagnetic Observatory

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Date / Local time		T	Po	P	Pa	U	DD	Ff	ff10	ff3	N	WW	W1	W2	Tn	Tx	Cl	Nh	H	Cm	Ch	VV	Td	RRR	tR	E	Tg	E'	sss
2026 August 19, Wednesday	16	18.9 66	739.5 29.11 985.92 985.92	749.5 29.51 999.25 999.25		49					20–30%. 2/10–3/10. 2 oktas							20–30%. 2/10–3/10. 2 oktas	1500-2000 4921-6562			20.0 12.4	8.0 46	No precipitation No precipitation	1
	15	18.6 65	739.4 29.11 985.79 985.79	749.5 29.51 999.25 999.25		52					20–30%. 2/10–3/10. 2 oktas							10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921			20.0 12.4	8.5 47	No precipitation No precipitation	1
	14	17.7 64	739.3 29.11 985.65 985.65	749.5 29.51 999.25 999.25		52					70 – 80%. 7/10 – 8/10. 6 oktas							70 – 80%. 7/10 – 8/10. 6 oktas	1000-1500 3281-4921			20.0 12.4	7.6 46	No precipitation No precipitation	1
	13	18.3 65	739.4 29.11 985.79 985.79	749.5 29.51 999.25 999.25		62					10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0							10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921			20.0 12.4	10.8 51	No precipitation No precipitation	1
	12	17.8 64	739.4 29.11 985.79 985.79	749.5 29.51 999.25 999.25		58					10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0							10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921			20.0 12.4	9.5 49	No precipitation No precipitation	1
	11	16.8 62	739.5 29.11 985.92 985.92	749.6 29.51 999.38 999.38		67					no clouds no clouds no clouds											20.0 12.4	10.7 51	No precipitation No precipitation	1
	10	14.7 58	739.6 29.12 986.05 986.05	749.8 29.52 999.65 999.65		80					no clouds no clouds no clouds											20.0 12.4	11.2 52	No precipitation No precipitation	1
	09	12.4 54	739.8 29.13 986.32 986.32	750.0 29.53 999.92 999.92		91					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas				10.6 51	14.0 57		90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	1500-2000 4921-6562			20.0 12.4	10.9 52	No precipitation No precipitation	12
	08	11.3 52	739.6 29.12 986.05 986.05	750.0 29.53 999.92 999.92		95					40%. 4/10. 3 oktas							40%. 4/10. 3 oktas	2000-2500 6562-8202			20.0 12.4	10.5 51	No precipitation No precipitation	1
	07	11.0 52	739.9 29.13 986.45 986.45	750.2 29.54 1000.18 1000.18		96					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas							90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	1500-2000 4921-6562			20.0 12.4	10.4 51	No precipitation No precipitation	1
	06	10.8 51	739.9 29.13 986.45 986.45	750.3 29.54 1000.32 1000.32		97					10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0							10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	2000-2500 6562-8202			20.0 12.4	10.3 51	No precipitation No precipitation	1
	05	11.4 53	739.9 29.13 986.45 986.45	750.1 29.53 1000.05 1000.05		94					10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0							10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	2000-2500 6562-8202			20.0 12.4	10.5 51	No precipitation No precipitation	1
	04	12.2 54	740.0 29.13 986.59 986.59	750.3 29.54 1000.32 1000.32		91					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas							90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	2000-2500 6562-8202			20.0 12.4	10.7 51	No precipitation No precipitation	1
	03	12.3 54	740.2 29.14 986.85 986.85	750.5 29.55 1000.58 1000.58		91					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas							90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	2000-2500 6562-8202			20.0 12.4	10.8 51	No precipitation No precipitation	1
	02	12.3 54	740.3 29.15 986.99 986.99	750.6 29.55 1000.72 1000.72		90					50%. 5/10. 4 oktas							50%. 5/10. 4 oktas	2000-2500 6562-8202			20.0 12.4	10.7 51	No precipitation No precipitation	1
	01	12.7 55	740.5 29.15 987.25 987.25	750.7 29.56 1000.85 1000.85		89					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas							90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	2000-2500 6562-8202			20.0 12.4	11.0 52	No precipitation No precipitation	1
	00	13.2 56	740.5 29.15 987.25 987.25	750.7 29.56 1000.85 1000.85		86					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas							90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	2000-2500 6562-8202			20.0 12.4	10.9 52	No precipitation No precipitation	1
August 18, Tuesday	23	12.7 55	740.6 29.16 987.39 987.39	750.9 29.56 1001.12 1001.12		84					no clouds no clouds no clouds											20.0 12.4	10.1 50	No precipitation No precipitation	1
	22	13.3 56	740.8 29.17 987.65 987.65	751.0 29.57 1001.25 1001.25		83					70 – 80%. 7/10 – 8/10. 6 oktas							60%. 6/10. 5 oktas	1500-2000 4921-6562			20.0 12.4	10.4 51	No precipitation No precipitation	1
	21	14.0 57	740.8 29.17 987.65 987.65	751.0 29.57 1001.25 1001.25		77					no clouds no clouds no clouds				12.3 54	18.8 66						20.0 12.4	9.9 50	No precipitation No precipitation	12
	20	15.5 60	740.7 29.16 987.52 987.52	750.8 29.56 1000.98 1000.98		71					20–30%. 2/10–3/10. 2 oktas							20–30%. 2/10–3/10. 2 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			20.0 12.4	10.2 50	No precipitation No precipitation	1
	19	16.6 62	740.8 29.17 987.65 987.65	750.9 29.56 1001.12 1001.12		67					60%. 6/10. 5 oktas							60%. 6/10. 5 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			20.0 12.4	10.4 51	No precipitation No precipitation	1
	18	17.6 64	740.8 29.17 987.65 987.65	750.9 29.56 1001.12 1001.12		61					60%. 6/10. 5 oktas							60%. 6/10. 5 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			20.0 12.4	9.9 50	No precipitation No precipitation	1
	17	17.8 64	741.0 29.17 987.92 987.92	751.1 29.57 1001.38 1001.38		59					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas							10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1500-2000 4921-6562			20.0 12.4	9.6 49	No precipitation No precipitation	1
	16	18.0 64	741.1 29.18 988.05 988.05	751.3 29.58 1001.65 1001.65		55					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas							90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	2000-2500 6562-8202			20.0 12.4	8.9 48	No precipitation No precipitation	1