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 16, Wednesday	12	13.3 56	745.3 29.34 993.65 993.65	755.7 29.75 1007.52 1007.52		99					100%. 10/10. 8 oktas	Rain, not freezing, moderate.						100%. 10/10. 8 oktas	100-200 328-656			5.0 3.1	13.1 56	1.0 0.04	1
	11	13.7 57	745.4 29.35 993.79 993.79	755.7 29.75 1007.52 1007.52		95					100%. 10/10. 8 oktas	Drizzle, not freezing, slight.						100%. 10/10. 8 oktas	200-300 656-984			6.0 3.7	12.9 55	No precipitation No precipitation	1
	10	13.8 57	745.8 29.36 994.32 994.32	756.1 29.77 1008.05 1008.05		93					100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	200-300 656-984			19.0 11.8	12.6 55	No precipitation No precipitation	1
	09	13.1 56	746.1 29.37 994.72 994.72	756.4 29.78 1008.45 1008.45		96					100%. 10/10. 8 oktas	Rain (not freezing).			10.7 51	13.2 56		100%. 10/10. 8 oktas	200-300 656-984			19.0 11.8	12.5 55	0.1	12
	08	13.0 55	746.7 29.4 995.52 995.52	757.0 29.8 1009.25 1009.25		94					100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	200-300 656-984			20.0 12.4	12.0 54	No precipitation No precipitation	1
	07	12.5 55	746.9 29.41 995.79 995.79	757.3 29.81 1009.65 1009.65		95					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	200-300 656-984			20.0 12.4	11.7 53	No precipitation No precipitation	1
	06	12.3 54	747.7 29.44 996.85 996.85	758.0 29.84 1010.58 1010.58		94					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).						70 – 80%. 7/10 – 8/10. 6 oktas	200-300 656-984			20.0 12.4	11.4 53	No precipitation No precipitation	1
	05	12.0 54	748.1 29.45 997.38 997.38	758.5 29.86 1011.25 1011.25		94					100%. 10/10. 8 oktas	Rain (not freezing).						20–30%. 2/10–3/10. 2 oktas	300-600 984-1968			20.0 12.4	11.0 52	No precipitation No precipitation	1
	04	11.7 53	748.6 29.47 998.05 998.05	759.1 29.89 1012.05 1012.05		92					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Precipitation						10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281			20.0 12.4	10.5 51	No precipitation No precipitation	1
	03	11.6 53	749.1 29.49 998.72 998.72	759.5 29.9 1012.58 1012.58		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).						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	10.0 50	No precipitation No precipitation	1
	02	11.4 53	749.6 29.51 999.38 999.38	760.0 29.92 1013.25 1013.25		89					100%. 10/10. 8 oktas	Rain shower(s) or intermittent rain, slight.						20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921			20.0 12.4	9.6 49	No precipitation No precipitation	1
	01	11.2 52	750.1 29.53 1000.05 1000.05	760.5 29.94 1013.92 1013.92		89					100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			20.0 12.4	9.4 49	No precipitation No precipitation	1
	00	11.0 52	750.4 29.54 1000.45 1000.45	760.9 29.96 1014.45 1014.45		88					100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			20.0 12.4	9.0 48	No precipitation No precipitation	1
September 15, Tuesday	23	10.8 51	750.9 29.56 1001.12 1001.12	761.4 29.98 1015.12 1015.12		87					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	8.7 48	No precipitation No precipitation	1
	22	10.9 52	751.3 29.58 1001.65 1001.65	761.8 29.99 1015.65 1015.65		87					100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			20.0 12.4	8.8 48	No precipitation No precipitation	1
	21	10.9 52	751.7 29.59 1002.18 1002.18	762.2 30.01 1016.18 1016.18		84					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas				7.9 46	16.3 61		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	8.2 47	No precipitation No precipitation	12
	20	11.1 52	751.9 29.6 1002.45 1002.45	762.4 30.02 1016.45 1016.45		81					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	8.0 46	No precipitation No precipitation	1
	19	12.2 54	752.1 29.61 1002.72 1002.72	762.5 30.02 1016.58 1016.58		75					no clouds no clouds no clouds											20.0 12.4	7.8 46	No precipitation No precipitation	1
	18	14.2 58	752.3 29.62 1002.98 1002.98	762.7 30.03 1016.85 1016.85		71					no clouds no clouds no clouds											20.0 12.4	8.9 48	No precipitation No precipitation	1
	17	15.4 60	752.5 29.63 1003.25 1003.25	762.9 30.04 1017.12 1017.12		64					50%. 5/10. 4 oktas							50%. 5/10. 4 oktas	1000-1500 3281-4921			20.0 12.4	8.6 47	No precipitation No precipitation	1
	16	15.5 60	752.9 29.64 1003.78 1003.78	763.3 30.05 1017.65 1017.65		65					40%. 4/10. 3 oktas							40%. 4/10. 3 oktas	1000-1500 3281-4921			20.0 12.4	8.8 48	No precipitation No precipitation	1
	15	15.5 60	753.4 29.66 1004.45 1004.45	763.7 30.07 1018.18 1018.18		59					70 – 80%. 7/10 – 8/10. 6 oktas							70 – 80%. 7/10 – 8/10. 6 oktas	1000-1500 3281-4921			20.0 12.4	7.5 46	No precipitation No precipitation	1
	14	15.2 59	753.7 29.67 1004.85 1004.85	764.0 30.08 1018.58 1018.58		61					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	600-1000 1968-3281			20.0 12.4	7.7 46	No precipitation No precipitation	1
	13	13.7 57	754.0 29.69 1005.25 1005.25	764.5 30.1 1019.25 1019.25		67					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	7.6 46	No precipitation No precipitation	1
	12	13.0 55	754.3 29.7 1005.65 1005.65	764.7 30.11 1019.52 1019.52		75					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	8.6 47	No precipitation No precipitation	1