Weather archive in Seymchan

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
2025 December 4, Thursday	05	-28.9 -20	742.1 29.22 989.39 989.39	764.2 30.09 1018.85 1018.85	-2.0 -0.08 -2.67 -2.67	72	Calm, no wind	Calm			100%. 10/10. 8 oktas	Snow shower(s), slight.	Shower(s).	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.			Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	60%. 6/10. 5 oktas	1000-1500 3281-4921	Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole.		4.0 2.5	-32.3 -26
2025 December 4, Thursday	02	-31.7 -25	744.1 29.3 992.05 992.05	766.6 30.18 1022.05 1022.05	-1.2 -0.05 -1.6 -1.6	70	Calm, no wind	Calm			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	no clouds no clouds no clouds	2500 or more, or no clouds. 8202 or more, or no clouds.	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	50.0 31.1	-35.3 -32
December 3, Wednesday	23	-35.0 -31	745.3 29.34 993.65 993.65	768.1 30.24 1024.05 1024.05	0.0 0 0 0	69	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	no clouds no clouds no clouds	2500 or more, or no clouds. 8202 or more, or no clouds.	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	50.0 31.1	-38.7 -38
	20	-33.9 -29	745.3 29.34 993.65 993.65	767.9 30.23 1023.78 1023.78	0.5 0.02 0.67 0.67	70	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas					-23.8 -11	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	no clouds no clouds no clouds	2500 or more, or no clouds. 8202 or more, or no clouds.	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	50.0 31.1	-37.4 -35	2.0 0.08	12
	17	-31.4 -25	744.8 29.32 992.99 992.99	767.2 30.2 1022.85 1022.85	0.0 0 0 0	72	Calm, no wind	Calm			20–30%. 2/10–3/10. 2 oktas	Clouds generally dissolving or becoming less developed.	Shower(s).	Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.			No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	no clouds no clouds no clouds	2500 or more, or no clouds. 8202 or more, or no clouds.	No Altocumulus, Altostratus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	50.0 31.1	-34.8 -31
	14	-24.8 -13	744.8 29.32 992.99 992.99	766.6 30.18 1022.05 1022.05	-1.0 -0.04 -1.33 -1.33	69	Calm, no wind	Calm			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Clouds generally dissolving or becoming less developed.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Stratocumulus other than Stratocumulus cumulogenitus.	60%. 6/10. 5 oktas	1000-1500 3281-4921	Altocumulus translucidus at a single level.	Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole, but the continuous veil does not reach 45 degrees above the horizon.	20.0 12.4	-28.8 -20
	11	-25.6 -14	745.8 29.36 994.32 994.32	767.7 30.22 1023.52 1023.52	-1.1 -0.04 -1.47 -1.47	72	Calm, no wind	Calm			100%. 10/10. 8 oktas	Snow shower(s), slight.	Shower(s).	Snow and/or other types of solid precipitation			Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	70 – 80%. 7/10 – 8/10. 6 oktas	1000-1500 3281-4921	Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole.		4.0 2.5	-29.2 -21
	08	-26.2 -15	746.9 29.41 995.79 995.79	768.9 30.27 1025.12 1025.12	-1.3 -0.05 -1.73 -1.73	72	Calm, no wind	Calm			100%. 10/10. 8 oktas	Snow shower(s), slight.	Shower(s).	Snow and/or other types of solid precipitation	-32.2 -26		Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus.	50%. 5/10. 4 oktas	1000-1500 3281-4921	Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole.		4.0 2.5	-29.7 -21	0.4 0.02	12			Even layer of loose dry snow covering ground completely.	19 7.5
	05	-27.0 -17	748.2 29.46 997.52 997.52	770.2 30.32 1026.85 1026.85	-0.9 -0.04 -1.2 -1.2	72	Calm, no wind	Calm			100%. 10/10. 8 oktas	Diamond dust (with or without fog).	Snow and/or other types of solid precipitation	Cloud covering more than 1/2 of the sky throughout the appropriate period.			No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	70 – 80%. 7/10 – 8/10. 6 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	Altocumulus translucidus at a single level.	Cirrostratus covering the whole sky.	50.0 31.1	-30.5 -23