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 26, Wednesday	17	20.7 69	759.0 29.88 1011.92 1011.92	769.2 30.28 1025.52 1025.52		53					70 – 80%. 7/10 – 8/10. 6 oktas							70 – 80%. 7/10 – 8/10. 6 oktas	1000-1500 3281-4921			20.0 12.4	10.6 51	No precipitation No precipitation	1
	16	19.7 67	759.0 29.88 1011.92 1011.92	769.3 30.29 1025.65 1025.65		56					60%. 6/10. 5 oktas							60%. 6/10. 5 oktas	1500-2000 4921-6562			20.0 12.4	10.5 51	No precipitation No precipitation	1
	15	19.0 66	759.0 29.88 1011.92 1011.92	769.3 30.29 1025.65 1025.65		64					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	12.1 54	No precipitation No precipitation	1
	14	19.4 67	758.8 29.87 1011.65 1011.65	769.1 30.28 1025.38 1025.38		60					40%. 4/10. 3 oktas							40%. 4/10. 3 oktas	2000-2500 6562-8202			20.0 12.4	11.3 52	No precipitation No precipitation	1
	13	19.6 67	758.8 29.87 1011.65 1011.65	769.0 30.28 1025.25 1025.25		65					50%. 5/10. 4 oktas							50%. 5/10. 4 oktas	600-1000 1968-3281			20.0 12.4	12.8 55	No precipitation No precipitation	1
	12	18.5 65	758.7 29.87 1011.52 1011.52	769.0 30.28 1025.25 1025.25		68					20–30%. 2/10–3/10. 2 oktas							20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281			20.0 12.4	12.4 54	No precipitation No precipitation	1
	11	17.6 64	758.5 29.86 1011.25 1011.25	768.8 30.27 1024.98 1024.98		73					no clouds no clouds no clouds											20.0 12.4	12.7 55	No precipitation No precipitation	1
	10	15.8 60	758.2 29.85 1010.85 1010.85	768.6 30.26 1024.72 1024.72		80					no clouds no clouds no clouds											20.0 12.4	12.4 54	No precipitation No precipitation	1
	09	14.3 58	758.0 29.84 1010.58 1010.58	768.4 30.25 1024.45 1024.45		86					no clouds no clouds no clouds				11.4 53	14.3 58						20.0 12.4	11.9 53	No precipitation No precipitation	12
	08	12.4 54	757.9 29.84 1010.45 1010.45	768.4 30.25 1024.45 1024.45		93					no clouds no clouds no clouds											20.0 12.4	11.3 52	No precipitation No precipitation	1
	07	12.3 54	757.8 29.83 1010.32 1010.32	768.3 30.25 1024.32 1024.32		94					50%. 5/10. 4 oktas							50%. 5/10. 4 oktas	1500-2000 4921-6562			20.0 12.4	11.3 52	No precipitation No precipitation	1
	06	12.6 55	757.5 29.82 1009.92 1009.92	768.0 30.24 1023.92 1023.92		92					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	11.4 53	No precipitation No precipitation	1
	05	11.7 53	757.3 29.81 1009.65 1009.65	767.8 30.23 1023.65 1023.65		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	11.1 52	No precipitation No precipitation	1
	04	11.5 53	757.0 29.8 1009.25 1009.25	767.5 30.22 1023.25 1023.25		97					no clouds no clouds no clouds											20.0 12.4	11.0 52	No precipitation No precipitation	1
	03	11.7 53	756.7 29.79 1008.85 1008.85	767.2 30.2 1022.85 1022.85		94					no clouds no clouds no clouds											20.0 12.4	10.8 51	No precipitation No precipitation	1
	02	12.4 54	756.7 29.79 1008.85 1008.85	767.2 30.2 1022.85 1022.85		92					no clouds no clouds no clouds											20.0 12.4	11.2 52	No precipitation No precipitation	1
	01	12.6 55	756.5 29.78 1008.58 1008.58	767.0 30.2 1022.58 1022.58		87					no clouds no clouds no clouds											20.0 12.4	10.4 51	No precipitation No precipitation	1
	00	12.8 55	756.4 29.78 1008.45 1008.45	766.9 30.19 1022.45 1022.45		83					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	1500-2000 4921-6562			20.0 12.4	10.0 50	No precipitation No precipitation	1
August 25, Tuesday	23	13.0 55	756.2 29.77 1008.18 1008.18	766.7 30.19 1022.18 1022.18		83					70 – 80%. 7/10 – 8/10. 6 oktas							70 – 80%. 7/10 – 8/10. 6 oktas	1500-2000 4921-6562			20.0 12.4	10.1 50	No precipitation No precipitation	1
	22	13.1 56	756.0 29.76 1007.92 1007.92	766.5 30.18 1021.92 1021.92		79					50%. 5/10. 4 oktas							50%. 5/10. 4 oktas	1500-2000 4921-6562			20.0 12.4	9.5 49	No precipitation No precipitation	1
	21	14.0 57	755.7 29.75 1007.52 1007.52	766.1 30.16 1021.38 1021.38		76					no clouds no clouds no clouds				12.4 54	18.4 65						20.0 12.4	9.7 49	No precipitation No precipitation	12
	20	15.6 60	755.5 29.74 1007.25 1007.25	765.8 30.15 1020.98 1020.98		68					no clouds no clouds no clouds											20.0 12.4	9.7 49	No precipitation No precipitation	1
	19	17.5 64	755.3 29.74 1006.98 1006.98	765.6 30.14 1020.72 1020.72		55					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	1500-2000 4921-6562			20.0 12.4	8.4 47	No precipitation No precipitation	1
	18	17.7 64	755.2 29.73 1006.85 1006.85	765.4 30.13 1020.45 1020.45		54					20–30%. 2/10–3/10. 2 oktas							20–30%. 2/10–3/10. 2 oktas	1500-2000 4921-6562			20.0 12.4	8.2 47	No precipitation No precipitation	1
	17	17.9 64	754.9 29.72 1006.45 1006.45	765.2 30.13 1020.18 1020.18		51					20–30%. 2/10–3/10. 2 oktas							20–30%. 2/10–3/10. 2 oktas	1500-2000 4921-6562			20.0 12.4	7.7 46	No precipitation No precipitation	1