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 September 19, Saturday	03	11.4 53	741.3 29.19 988.32 988.32	751.6 29.59 1002.05 1002.05		99					100%. 10/10. 8 oktas	Rain, not freezing, moderate.						100%. 10/10. 8 oktas	50-100 164-328			5.0 3.1	11.3 52	1.0 0.04	1
	02	10.4 51	741.4 29.19 988.45 988.45	751.8 29.6 1002.32 1002.32		100					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Mist.						60%. 6/10. 5 oktas	300-600 984-1968			9.0 5.6	10.4 51	No precipitation No precipitation	1
	01	10.0 50	741.8 29.2 988.99 988.99	752.2 29.61 1002.85 1002.85		100					no clouds no clouds no clouds	Mist.										2.6 1.6	10.0 50	No precipitation No precipitation	1
	00	10.4 51	741.9 29.21 989.12 989.12	752.3 29.62 1002.98 1002.98		99					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Mist.						10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1500-2000 4921-6562			4.4 2.7	10.3 51	No precipitation No precipitation	1
September 18, Friday	23	10.9 52	742.0 29.21 989.25 989.25	752.4 29.62 1003.12 1003.12		99					50%. 5/10. 4 oktas							10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	300-600 984-1968			12.0 7.5	10.8 51	No precipitation No precipitation	1
	22	11.5 53	742.0 29.21 989.25 989.25	752.3 29.62 1002.98 1002.98		99					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas							50%. 5/10. 4 oktas	300-600 984-1968			11.0 6.8	11.4 53	No precipitation No precipitation	1
	21	11.9 53	741.8 29.2 988.99 988.99	752.2 29.61 1002.85 1002.85		99					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas				10.8 51	15.5 60		40%. 4/10. 3 oktas	300-600 984-1968			10.0 6.2	11.7 53	7.0 0.28	12
	20	12.2 54	741.7 29.2 988.85 988.85	752.1 29.61 1002.72 1002.72		98					60%. 6/10. 5 oktas							10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281			18.0 11.2	11.9 53	No precipitation No precipitation	1
	19	13.6 56	741.7 29.2 988.85 988.85	751.9 29.6 1002.45 1002.45		94					50%. 5/10. 4 oktas							50%. 5/10. 4 oktas	300-600 984-1968			20.0 12.4	12.6 55	No precipitation No precipitation	1
	18	14.9 59	741.6 29.2 988.72 988.72	751.8 29.6 1002.32 1002.32		89					70 – 80%. 7/10 – 8/10. 6 oktas							70 – 80%. 7/10 – 8/10. 6 oktas	600-1000 1968-3281			20.0 12.4	13.0 55	No precipitation No precipitation	1
	17	15.2 59	741.6 29.2 988.72 988.72	751.7 29.59 1002.18 1002.18		90					50%. 5/10. 4 oktas							50%. 5/10. 4 oktas	300-600 984-1968			20.0 12.4	13.5 56	No precipitation No precipitation	1
	16	15.1 59	741.5 29.19 988.59 988.59	751.6 29.59 1002.05 1002.05		93					40%. 4/10. 3 oktas							40%. 4/10. 3 oktas	300-600 984-1968			20.0 12.4	14.0 57	No precipitation No precipitation	1
	15	14.4 58	741.4 29.19 988.45 988.45	751.6 29.59 1002.05 1002.05		97					100%. 10/10. 8 oktas	Rain (not freezing).						100%. 10/10. 8 oktas	200-300 656-984			14.0 8.7	14.0 57	4.0 0.16	1
	14	13.6 56	741.4 29.19 988.45 988.45	751.6 29.59 1002.05 1002.05		98					100%. 10/10. 8 oktas	Rain, not freezing, slight.						100%. 10/10. 8 oktas	200-300 656-984			15.0 9.3	13.3 56	1.0 0.04	1
	13	13.4 56	741.6 29.2 988.72 988.72	751.9 29.6 1002.45 1002.45		97					100%. 10/10. 8 oktas	Rain shower(s) or intermittent rain, slight.						100%. 10/10. 8 oktas	200-300 656-984			12.0 7.5	13.0 55	0.5 0.02	1
	12	13.0 55	741.8 29.2 988.99 988.99	752.1 29.61 1002.72 1002.72		98					100%. 10/10. 8 oktas	Rain shower(s) or intermittent rain, slight.						100%. 10/10. 8 oktas	200-300 656-984			19.0 11.8	12.7 55	1.0 0.04	1
	11	12.8 55	742.1 29.22 989.39 989.39	752.4 29.62 1003.12 1003.12		97					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	300-600 984-1968			19.0 11.8	12.4 54	No precipitation No precipitation	1
	10	11.7 53	742.1 29.22 989.39 989.39	752.5 29.63 1003.25 1003.25		99					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas							20–30%. 2/10–3/10. 2 oktas	300-600 984-1968			20.0 12.4	11.5 53	No precipitation No precipitation	1
	09	10.8 51	742.0 29.21 989.25 989.25	752.4 29.62 1003.12 1003.12		99					100%. 10/10. 8 oktas				9.7 49	11.5 53		100%. 10/10. 8 oktas	1500-2000 4921-6562			20.0 12.4	10.7 51	0.7 0.03	12
	08	9.9 50	741.9 29.21 989.12 989.12	752.3 29.62 1002.98 1002.98		100					20–30%. 2/10–3/10. 2 oktas	Mist.							2500 or more, or no clouds. 8202 or more, or no clouds.			10.0 6.2	9.9 50	No precipitation No precipitation	1
	07	10.5 51	741.7 29.2 988.85 988.85	752.1 29.61 1002.72 1002.72		99					60%. 6/10. 5 oktas	Mist.							2500 or more, or no clouds. 8202 or more, or no clouds.			6.0 3.7	10.4 51	No precipitation No precipitation	1
	06	11.0 52	741.6 29.2 988.72 988.72	751.9 29.6 1002.45 1002.45		100					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Mist.						20–30%. 2/10–3/10. 2 oktas	50-100 164-328			2.1 1.3	11.0 52	No precipitation No precipitation	1
	05	11.3 52	741.6 29.2 988.72 988.72	751.9 29.6 1002.45 1002.45		100					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	100-200 328-656			9.0 5.6	11.3 52	0.7 0.03	1
	04	11.1 52	741.4 29.19 988.45 988.45	751.7 29.59 1002.18 1002.18		99					100%. 10/10. 8 oktas	Rain shower(s) or intermittent rain, slight.						100%. 10/10. 8 oktas	50-100 164-328			6.0 3.7	11.0 52	No precipitation No precipitation	1
	03	10.8 51	741.3 29.19 988.32 988.32	751.6 29.59 1002.05 1002.05		100					100%. 10/10. 8 oktas	Rain (not freezing).						60%. 6/10. 5 oktas	50-100 164-328			15.0 9.3	10.8 51	No precipitation No precipitation	1