Analysis of atmospheric precipitation, irregular data

Date	RAIN	vodivost	pH	Na⁺	K⁺	NH₄⁺	Mg²⁺	Ca²⁺	Mn	Al	Fe	F⁻	Cl⁻	NO₃⁻	SO₄²⁻
	mm	µS/cm	-	ug/l	ug/l	ug/l	ug/l	ug/l	ug/l	ug/l	ug/l	ug/l	ug/l	ug/l	ug/l
	VOL	EC meter	pH meter	IC	IC	IC	IC	IC	AAS	AAS	AAS	IC	IC	IC	IC
2021-01-07	30.4	20.2	5.07	84	18	353	17	73	2.4	20	20	0	244	1 209	188
2021-01-22	131.5	4.7	5.31	3	6	66	4	5	1.1	2	3	0	32	321	70
2021-02-04	13.3	11.9	5.33	185	58	596	60	573	5.4	37	36	0	189	3 677	960
2021-02-19	16.9	13.5	5.98	83	35	774	36	585	6.1	46	35	0	180	2 165	740
2021-03-11	30.0	22.0	6.46	662	215	1 344	92	331	5.8	36	30	0	1 079	2 205	1 031
2021-04-01	31.2	13.7	5.86	73	20	494	11	108	3.8	21	19	0	272	823	362
2021-04-21	37.3	12.4	6.13	61	33	1 088	27	416	3.8	30	25	0	96	2 333	1 115
2021-05-04	108.1	4.8	5.74	70	18	187	30	160	1.5	3	3	0	60	388	110
2021-05-14	28.3	7.0	5.70	100	6	290	6	48	1.4	5	6	0	120	478	140
2021-05-21	68.9	8.6	5.75	130	180	450	8	108	3.6	4	3	0	107	584	219
2021-06-11	68.3	8.8	6.03	49	180	257	27	490	8.2	21	11	0	100	324	150
2021-06-23	55.7	4.9	6.03	26	14	342	11	254	1.8	8	6	0	40	385	230
2021-06-26	65.7	5.3	5.95	42	120	308	44	270	8.0	16	10	0	73	582	280
2021-07-09	40.5	5.0	5.50	45	48	169	47	190	7.3	4	4	0	64	603	340
2021-07-24	121.3	4.1	5.61	30	120	99	10	140	4.1	4	3	0	50	303	116
2021-08-06	47.5	4.0	5.83	80	190	197	13	140	6.5	5	4	0	80	439	170
2021-08-19	74.3	4.0	5.58	40	190	28	3	80	5.9	3	3	0	40	217	71
2021-09-03	14.1	12.2	6.34	170	1 340	270	220	544	57.2	16	9	10	180	775	610
2021-09-29	36.0	13.1	5.26	125	30	63	41	200	10.4	8	8	0	170	549	416
2021-10-16	3.6	14.6	4.82	354	83	304	107	301	20.0	34	45	0	580	1 567	1 106
2021-10-26	32.2	5.5	5.44	24	22	75	4	120	3.1	16	16	0	68	317	88
2021-11-12	44.2	9.3	4.91	37	13	329	10	120	1.6	22	21	0	102	1 534	320
2021-12-02	46.5	2.4	5.51	19	6	24	2	40	0.8	24	42	0	85	122	16
2021-12-24	95.0	6.2	5.25	102	33	168	11	47	1.6	10	10	0	180	628	210