1975	January	February	march	april	may	juny	july	august	september	october	november	december
Days
1	no	11.01	9.57	6.78	8.66	9.82	no	14.73	17.80	20.38	no	34.21
2	16.84	no	no	13.85	6.18	no	13.24	15.65	20.40	17.32	32.08	18.01
3	12.76	5.10	7.33	13.74	6.14	no	17.89	no	25.00	15.90	43.78	15.04
4	20.92	15.88	10.05	3.82	no	12.66	20.65	23.40	22.59	20.39	no	17.54
5	no	18.33	10.71	no	7.94	14.83	30.50	16.35	23.80	no	35.76	17.14
6	20.43	15.58	10.49	no	6.00	13.40	19.14	31.08	15.24	13.51	25.12	21.62
7	16.47	15.61	11.18	14.44	21.83	10.15	20.20	18.69	no	14.22	20.97	no
8	10.16	12.42	13.77	8.39	17.64	no	17.02	11.55	20.62	15.53	no	no
9	15.07	no	no	5.55	10.41	17.64	10.91	23.33	19.62	17.37	22.10	14.21
10	17.29	16.90	no	7.45	5.12	12.30	no	no	22.31	15.77	no	23.84
11	15.99	10.94	no	10.90	no	9.13	18.36	24.69	no	no	38.13	no
12	no	no	no	5.71	15.19	9.19	22.97	no	26.00	no	27.13	no
13	19.72	22.64	14.48	no	15.32	17.94	no	21.66	19.60	29.41	no	no
14	16.82	18.99	10.00	0.87	14.08	15.29	20.00	28.30	18.33	28.47	33.78	no
15	11.47	15.78	6.25	4.54	9.48	no	29.00	29.77	no	22.75	36.30	no
16	22.26	13.60	no	0.98	11.71	16.96	19.13	26.00	24.65	no	no	no
17	16.80	14.04	12.28	8.76	16.00	16.66	28.09	26.86	21.27	36.78	16.66	no
18	no	15.20	13.66	0.39	no	15.09	18.18	20.85	19.82	27.10	34.10	no
19	no	13.06	12.15	9.66	10.85	13.93	no	23.49	16.35	no	27.54	no
20	16.43	8.68	15.42	no	17.48	no	no	32.59	14.19	29.81	33.33	no
21	19.51	9.62	6.15	6.32	12.95	19.60	17.34	27.90	11.74	30.89	16.89	no
22	17.68	11.25	8.93	no	10.40	no	17.54	no	18.10	19.23	no	17.58
23	16.70	no	7.35	no	15.95	15.43	21.67	no	17.25	20.27	24.77	14.70
24	16.96	9.92	13.90	no	27.64	14.92	20.00	no	15.78	21.31	33.01	18.07
25	21.42	9.88	7.56	1.61	no	14.49	19.31	37.95	17.72	17.82	13.97	16.50
26	21.68	8.33	7.35	5.05	20.00	7.20	14.92	36.66	11.64	no	21.26	17.18
27	no	9.06	7.44	5.15	20.32	21.26	13.15	31.33	18.08	24.83	no	16.37
28	11.70	8.22	3.79	6.07	22.54	19.65	17.76	22.55	no	29.61	26.92	no
29	15.18		9.83	4.43	no	no	16.50	25.37	21.42	26.20	30.52	15.94
30	15.12		no	6.61	13.93	no	19.10	25.86	10.52	18.40	no	13.88
31	11.00		7.46		16.47		10.29	no		22.03		17.94