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 25, Tuesday	04	10.5 51	752.5 29.63 1003.25 1003.25	763.0 30.04 1017.25 1017.25		94					no clouds no clouds no clouds											20.0 12.4	9.6 49	No precipitation No precipitation	1
	03	11.1 52	752.2 29.61 1002.85 1002.85	762.7 30.03 1016.85 1016.85		92					no clouds no clouds no clouds											20.0 12.4	9.9 50	No precipitation No precipitation	1
	02	11.5 53	752.1 29.61 1002.72 1002.72	762.6 30.02 1016.72 1016.72		92					no clouds no clouds no clouds											20.0 12.4	10.2 50	No precipitation No precipitation	1
	01	11.9 53	751.9 29.6 1002.45 1002.45	762.3 30.01 1016.32 1016.32		91					no clouds no clouds no clouds											20.0 12.4	10.5 51	No precipitation No precipitation	1
	00	12.5 55	751.6 29.59 1002.05 1002.05	762.1 30 1016.05 1016.05		89					40%. 4/10. 3 oktas							40%. 4/10. 3 oktas	1500-2000 4921-6562			20.0 12.4	10.8 51	No precipitation No precipitation	1
August 24, Monday	23	13.1 56	751.3 29.58 1001.65 1001.65	761.7 29.99 1015.52 1015.52		88					20–30%. 2/10–3/10. 2 oktas							20–30%. 2/10–3/10. 2 oktas	1500-2000 4921-6562			20.0 12.4	11.1 52	No precipitation No precipitation	1
	22	13.4 56	751.1 29.57 1001.38 1001.38	761.5 29.98 1015.25 1015.25		88					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	11.4 53	No precipitation No precipitation	1
	21	14.7 58	750.9 29.56 1001.12 1001.12	761.2 29.97 1014.85 1014.85		81					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas				13.7 57	17.7 64		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	11.5 53	No precipitation No precipitation	12
	20	15.3 60	750.6 29.55 1000.72 1000.72	760.9 29.96 1014.45 1014.45		84					60%. 6/10. 5 oktas							40%. 4/10. 3 oktas	1000-1500 3281-4921			19.0 11.8	12.5 55	No precipitation No precipitation	1
	19	16.2 61	750.4 29.54 1000.45 1000.45	760.6 29.94 1014.05 1014.05		76					60%. 6/10. 5 oktas	Precipitation						60%. 6/10. 5 oktas	1000-1500 3281-4921			20.0 12.4	12.0 54	No precipitation No precipitation	1
	18	15.9 61	750.1 29.53 1000.05 1000.05	760.3 29.93 1013.65 1013.65		74					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	600-1000 1968-3281			20.0 12.4	11.3 52	No precipitation No precipitation	1
	17	16.1 61	749.7 29.52 999.52 999.52	760.0 29.92 1013.25 1013.25		76					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas							60%. 6/10. 5 oktas	600-1000 1968-3281			20.0 12.4	11.9 53	No precipitation No precipitation	1
	16	17.0 63	749.5 29.51 999.25 999.25	759.7 29.91 1012.85 1012.85		67					70 – 80%. 7/10 – 8/10. 6 oktas	Rain (not freezing).						40%. 4/10. 3 oktas	1000-1500 3281-4921			20.0 12.4	10.7 51	No precipitation No precipitation	1
	15	17.1 63	749.2 29.5 998.85 998.85	759.5 29.9 1012.58 1012.58		66					60%. 6/10. 5 oktas							20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281			19.0 11.8	10.7 51	No precipitation No precipitation	1
	14	17.0 63	749.0 29.49 998.58 998.58	759.2 29.89 1012.18 1012.18		63					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas							70 – 80%. 7/10 – 8/10. 6 oktas	600-1000 1968-3281			20.0 12.4	9.9 50	No precipitation No precipitation	1
	13	16.2 61	748.9 29.48 998.45 998.45	759.2 29.89 1012.18 1012.18		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	600-1000 1968-3281			20.0 12.4	11.1 52	No precipitation No precipitation	1
	12	15.5 60	748.6 29.47 998.05 998.05	758.9 29.88 1011.78 1011.78		76					100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	600-1000 1968-3281			20.0 12.4	11.2 52	No precipitation No precipitation	1
	11	14.5 58	748.4 29.46 997.78 997.78	758.7 29.87 1011.52 1011.52		82					100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	300-600 984-1968			18.0 11.2	11.5 53	No precipitation No precipitation	1
	10	14.5 58	748.1 29.45 997.38 997.38	758.4 29.86 1011.12 1011.12		83					100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	300-600 984-1968			14.0 8.7	11.7 53	No precipitation No precipitation	1
	09	13.7 57	747.7 29.44 996.85 996.85	758.1 29.85 1010.72 1010.72		86					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas				12.1 54	15.1 59		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			12.0 7.5	11.4 53	No precipitation No precipitation	12
	08	13.0 55	747.4 29.43 996.45 996.45	757.8 29.83 1010.32 1010.32		90					70 – 80%. 7/10 – 8/10. 6 oktas							20–30%. 2/10–3/10. 2 oktas	300-600 984-1968			11.0 6.8	11.4 53	No precipitation No precipitation	1
	07	12.1 54	747.1 29.41 996.05 996.05	757.5 29.82 1009.92 1009.92		95					no clouds no clouds no clouds	Mist.										9.0 5.6	11.3 52	No precipitation No precipitation	1
	06	12.4 54	746.8 29.4 995.65 995.65	757.2 29.81 1009.52 1009.52		96					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas							40%. 4/10. 3 oktas	600-1000 1968-3281			10.0 6.2	11.7 53	No precipitation No precipitation	1
	05	12.6 55	746.6 29.39 995.39 995.39	757.0 29.8 1009.25 1009.25		95					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	200-300 656-984			12.0 7.5	11.8 53	No precipitation No precipitation	1
	04	12.4 54	746.4 29.39 995.12 995.12	756.8 29.8 1008.98 1008.98		96					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.			14.0 8.7	11.8 53	No precipitation No precipitation	1