Weather archive in Nurmijarvi Geomagnetic Observatory

To receive explanations, hover over the appropriate heading

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 July 9, Thursday	12	17.7 64	744.4 29.31 992.45 992.45	754.5 29.7 1005.92 1005.92		68					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	11.7 53	No precipitation No precipitation	1
	11	17.2 63	744.0 29.29 991.92 991.92	754.1 29.69 1005.38 1005.38		74					100%. 10/10. 8 oktas							100%. 10/10. 8 oktas	2000-2500 6562-8202			20.0 12.4	12.4 54	No precipitation No precipitation	1
	10	16.3 61	743.5 29.27 991.25 991.25	753.7 29.67 1004.85 1004.85		76					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	12.1 54	No precipitation No precipitation	1
	09	15.1 59	743.3 29.26 990.99 990.99	753.5 29.67 1004.58 1004.58		79					100%. 10/10. 8 oktas	Rain (not freezing).			13.9 57	15.2 59		100%. 10/10. 8 oktas	2000-2500 6562-8202			20.0 12.4	11.5 53	No precipitation No precipitation	12
	08	14.4 58	743.0 29.25 990.59 990.59	753.3 29.66 1004.32 1004.32		81					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	11.2 52	No precipitation No precipitation	1
	07	14.1 57	742.7 29.24 990.19 990.19	752.9 29.64 1003.78 1003.78		82					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	11.0 52	No precipitation No precipitation	1
	06	14.2 58	742.5 29.23 989.92 989.92	752.8 29.64 1003.65 1003.65		83					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	11.4 53	No precipitation No precipitation	1
	05	14.1 57	742.3 29.22 989.65 989.65	752.5 29.63 1003.25 1003.25		86					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	11.7 53	No precipitation No precipitation	1
	04	14.1 57	742.3 29.22 989.65 989.65	752.5 29.63 1003.25 1003.25		86					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	11.8 53	No precipitation No precipitation	1
	03	14.0 57	742.2 29.22 989.52 989.52	752.5 29.63 1003.25 1003.25		86					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	11.7 53	No precipitation No precipitation	1
	02	14.4 58	741.8 29.2 988.99 988.99	752.0 29.61 1002.58 1002.58		85					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	11.9 53	No precipitation No precipitation	1
	01	14.5 58	741.8 29.2 988.99 988.99	752.0 29.61 1002.58 1002.58		86					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	12.1 54	No precipitation No precipitation	1
	00	14.6 58	741.8 29.2 988.99 988.99	752.0 29.61 1002.58 1002.58		87					70 – 80%. 7/10 – 8/10. 6 oktas							50%. 5/10. 4 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
July 8, Wednesday	23	14.8 59	741.6 29.2 988.72 988.72	751.8 29.6 1002.32 1002.32		90					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	13.2 56	No precipitation No precipitation	1
	22	15.1 59	741.2 29.18 988.19 988.19	751.4 29.58 1001.78 1001.78		90					70 – 80%. 7/10 – 8/10. 6 oktas	Rain (not freezing).						70 – 80%. 7/10 – 8/10. 6 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.			20.0 12.4	13.5 56	No precipitation No precipitation	1
	21	14.9 59	741.3 29.19 988.32 988.32	751.5 29.59 1001.92 1001.92		93					100%. 10/10. 8 oktas	Rain, not freezing, slight.			12.5 55	19.3 67		100%. 10/10. 8 oktas	2000-2500 6562-8202			20.0 12.4	13.8 57	2.0 0.08	12
	20	14.8 59	741.1 29.18 988.05 988.05	751.3 29.58 1001.65 1001.65		91					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	13.4 56	No precipitation No precipitation	1
	19	13.7 57	740.8 29.17 987.65 987.65	751.0 29.57 1001.25 1001.25		97					60%. 6/10. 5 oktas	Rain (not freezing).						10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1500-2000 4921-6562			19.0 11.8	13.2 56	No precipitation No precipitation	1
	18	13.4 56	740.6 29.16 987.39 987.39	750.9 29.56 1001.12 1001.12		96					100%. 10/10. 8 oktas	Rain shower(s) or intermittent rain, heavy.						100%. 10/10. 8 oktas	600-1000 1968-3281			8.0 5.0	12.8 55	2.0 0.08	1
	17	15.3 60	740.4 29.15 987.12 987.12	750.5 29.55 1000.58 1000.58		89					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.						90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	1000-1500 3281-4921			19.0 11.8	13.4 56	No precipitation No precipitation	1
	16	15.6 60	740.2 29.14 986.85 986.85	750.3 29.54 1000.32 1000.32		84					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.						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			15.0 9.3	12.8 55	No precipitation No precipitation	1
	15	18.0 64	739.6 29.12 986.05 986.05	749.8 29.52 999.65 999.65		67					90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 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			20.0 12.4	11.7 53	No precipitation No precipitation	1
	14	18.2 65	739.5 29.11 985.92 985.92	749.5 29.51 999.25 999.25		70					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	600-1000 1968-3281			20.0 12.4	12.5 55	No precipitation No precipitation	1
	13	16.3 61	739.3 29.11 985.65 985.65	749.4 29.5 999.12 999.12		74					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			20.0 12.4	11.6 53	No precipitation No precipitation	1
	12	16.0 61	739.0 29.09 985.25 985.25	749.2 29.5 998.85 998.85		73					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	600-1000 1968-3281			20.0 12.4	11.1 52	No precipitation No precipitation	1