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 May 20, Wednesday	01	14.5 58	751.3 29.58 1001.65 1001.65	761.7 29.99 1015.52 1015.52		93					40%. 4/10. 3 oktas							40%. 4/10. 3 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			20.0 12.4	13.3 56	No precipitation No precipitation	1
May 19, Tuesday	21	18.0 64	750.5 29.55 1000.58 1000.58	760.7 29.95 1014.18 1014.18		78					no clouds no clouds no clouds				13.6 56	21.6 71						20.0 12.4	14.1 57	2.0 0.08	12
	20	19.3 67	750.3 29.54 1000.32 1000.32	760.5 29.94 1013.92 1013.92		74					10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0								2500 or more, or no clouds. 8202 or more, or no clouds.			20.0 12.4	14.5 58	No precipitation No precipitation	1
	19	20.5 69	750.2 29.54 1000.18 1000.18	760.3 29.93 1013.65 1013.65		66					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	2500 or more, or no clouds. 8202 or more, or no clouds.			20.0 12.4	14.0 57	No precipitation No precipitation	1
	18	21.1 70	750.1 29.53 1000.05 1000.05	760.2 29.93 1013.52 1013.52		69					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	2500 or more, or no clouds. 8202 or more, or no clouds.			20.0 12.4	15.1 59	No precipitation No precipitation	1
	17	20.7 69	749.8 29.52 999.65 999.65	759.9 29.92 1013.12 1013.12		66					no clouds no clouds no clouds											20.0 12.4	14.1 57	No precipitation No precipitation	1
	16	19.4 67	750.0 29.53 999.92 999.92	760.1 29.93 1013.38 1013.38		72					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	2500 or more, or no clouds. 8202 or more, or no clouds.			20.0 12.4	14.2 58	No precipitation No precipitation	1
	15	18.2 65	750.3 29.54 1000.32 1000.32	760.5 29.94 1013.92 1013.92		79					70 – 80%. 7/10 – 8/10. 6 oktas							70 – 80%. 7/10 – 8/10. 6 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			20.0 12.4	14.4 58	No precipitation No precipitation	1
	14	17.1 63	750.5 29.55 1000.58 1000.58	760.7 29.95 1014.18 1014.18		79					70 – 80%. 7/10 – 8/10. 6 oktas							70 – 80%. 7/10 – 8/10. 6 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			20.0 12.4	13.4 56	No precipitation No precipitation	1
	13	16.0 61	750.6 29.55 1000.72 1000.72	760.9 29.96 1014.45 1014.45		80					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	2500 or more, or no clouds. 8202 or more, or no clouds.			20.0 12.4	12.5 55	No precipitation No precipitation	1
	12	15.7 60	750.7 29.56 1000.85 1000.85	760.9 29.96 1014.45 1014.45		86					60%. 6/10. 5 oktas	Rain (not freezing).						60%. 6/10. 5 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			20.0 12.4	13.3 56	0.6 0.02	1
	11	13.7 57	751.4 29.58 1001.78 1001.78	761.8 29.99 1015.65 1015.65		97					70 – 80%. 7/10 – 8/10. 6 oktas	Rain shower(s) or intermittent rain, moderate.						40%. 4/10. 3 oktas	600-1000 1968-3281			15.0 9.3	13.3 56	2.0 0.08	1
	10	14.8 59	750.8 29.56 1000.98 1000.98	761.2 29.97 1014.85 1014.85		82					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	11.8 53	No precipitation No precipitation	1
	09	14.5 58	750.2 29.54 1000.18 1000.18	760.5 29.94 1013.92 1013.92		78					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Rain shower(s) or intermittent rain, slight.			10.6 51	16.9 62		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	10.6 51	3.0 0.12	12
	08	12.4 54	750.9 29.56 1001.12 1001.12	761.3 29.97 1014.98 1014.98		85					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	1500-2000 4921-6562			20.0 12.4	10.0 50	No precipitation No precipitation	1
	07	11.8 53	751.5 29.59 1001.92 1001.92	762.0 30 1015.92 1015.92		87					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Rain (not freezing).						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	9.7 49	0.1	1
	06	11.0 52	752.2 29.61 1002.85 1002.85	762.7 30.03 1016.85 1016.85		88					100%. 10/10. 8 oktas	Rain, not freezing, moderate.						100%. 10/10. 8 oktas	2000-2500 6562-8202			11.0 6.8	9.0 48	0.9 0.04	1
	05	11.1 52	753.1 29.65 1004.05 1004.05	763.6 30.06 1018.05 1018.05		86					100%. 10/10. 8 oktas	Rain shower(s) or intermittent rain, slight.						100%. 10/10. 8 oktas	2000-2500 6562-8202			16.0 9.9	8.8 48	0.4 0.02	1
	04	11.5 53	753.0 29.65 1003.92 1003.92	763.4 30.06 1017.78 1017.78		80					100%. 10/10. 8 oktas	Rain (not freezing).						100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			20.0 12.4	8.2 47	0.2 0.01	1
	03	10.8 51	753.2 29.65 1004.18 1004.18	763.7 30.07 1018.18 1018.18		90					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Rain, not freezing, slight.						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			19.0 11.8	9.2 49	0.9 0.04	1
	02	10.9 52	754.6 29.71 1006.05 1006.05	765.1 30.12 1020.05 1020.05		91					100%. 10/10. 8 oktas	Rain, not freezing, slight.						100%. 10/10. 8 oktas	2000-2500 6562-8202			13.0 8.1	9.4 49	0.3 0.01	1
	01	14.6 58	754.1 29.69 1005.38 1005.38	764.5 30.1 1019.25 1019.25		56					100%. 10/10. 8 oktas	Rain shower(s) or intermittent rain, slight.						100%. 10/10. 8 oktas	2000-2500 6562-8202			20.0 12.4	5.9 43	No precipitation No precipitation	1