This template makes refreshing precipitation days background colors. Template:Weather box/oneline/date will apply a length of month multiplication factor in this template's parameter, so that 28.25 days in February, 30 days in a 30-day month, 31 days in a 31-day month, and 365.25 days in a year, will appear as navy blue (#000080).

Days of precipitation in a 30-day month

0.0	0.2	0.4	0.6	0.8	1.0	1.2	1.4	1.6	1.8
2.0	2.2	2.4	2.6	2.8	3.0	3.2	3.4	3.6	3.8
4.0	4.2	4.4	4.6	4.8	5.0	5.2	5.4	5.6	5.8
6.0	6.2	6.4	6.6	6.8	7.0	7.2	7.4	7.6	7.8
8.0	8.2	8.4	8.6	8.8	9.0	9.2	9.4	9.6	9.8
10.0	10.2	10.4	10.6	10.8	11.0	11.2	11.4	11.6	11.8
12.0	12.2	12.4	12.6	12.8	13.0	13.2	13.4	13.6	13.8
14.0	14.2	14.4	14.6	14.8	15.0	15.2	15.4	15.6	15.8
16.0	16.2	16.4	16.6	16.8	17.0	17.2	17.4	17.6	17.8
18.0	18.2	18.4	18.6	19.0	19.2	19.4	19.6	19.8	20.0
20.2	20.4	20.6	20.8	21.0	21.2	21.4	21.6	21.8	22.0
22.2	22.4	22.6	22.8	23.0	23.2	23.4	23.6	23.8	24.0
24.2	24.4	24.6	24.8	25.0	25.2	25.4	25.6	25.8	26.0
26.2	26.4	26.6	26.8	27.0	27.2	27.4	27.6	27.8	28.0
28.2	28.4	28.6	28.8	29.0	29.2	29.4	29.6	29.8	30.0

Days of precipitation a year

0	2	4	6	8	10	12	14	16	18
20	22	24	26	28	30	32	34	36	38
40	42	44	46	48	50	52	54	56	58
60	62	64	66	68	70	72	74	76	78
80	82	84	86	88	90	92	94	96	98
100	102	104	106	108	110	112	114	116	118
120	122	124	126	128	130	132	134	136	138
140	142	144	146	148	150	152	154	156	158
160	162	164	166	168	170	172	174	176	178
180	182	184	186	190	192	194	196	198	200
202	204	206	208	210	212	214	216	218	220
222	224	226	228	230	232	234	236	238	240
242	244	246	248	250	252	254	256	258	260
262	264	266	268	270	272	274	276	278	280
282	284	286	288	290	292	294	296	298	300