Chino Hills Daily Rain Amounts History

Other Years:

Monthy Rain Summary for: Water Year (October 2025 - September 2026)

Note: Rain totals are updated after midnight each day

Day	Oct	Nov	Dec	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep
1	00.00	00.00	00.00	01.24	00.00	---	---	---	---	---	---	---
2	00.00	00.00	00.00	00.21	00.00	---	---	---	---	---	---	---
3	00.00	00.00	00.00	00.19	00.00	---	---	---	---	---	---	---
4	00.00	00.00	00.00	00.49	00.00	---	---	---	---	---	---	---
5	00.00	00.00	00.00	00.01	00.00	---	---	---	---	---	---	---
6	00.00	00.00	00.00	00.00	00.00	---	---	---	---	---	---	---
7	00.00	00.00	00.00	00.00	00.00	---	---	---	---	---	---	---
8	00.00	00.00	00.00	00.00	00.00	---	---	---	---	---	---	---
9	00.00	00.00	00.00	00.00	00.00	---	---	---	---	---	---	---
10	00.00	00.00	00.00	00.00	00.00	---	---	---	---	---	---	---
11	00.00	00.00	00.00	00.00	---	---	---	---	---	---	---	---
12	00.00	00.00	00.00	00.00	---	---	---	---	---	---	---	---
13	00.00	00.00	00.00	00.00	---	---	---	---	---	---	---	---
14	01.34	01.09	00.00	00.00	---	---	---	---	---	---	---	---
15	00.04	01.54	00.00	00.00	---	---	---	---	---	---	---	---
16	00.00	00.92	00.00	00.00	---	---	---	---	---	---	---	---
17	00.00	00.55	00.00	00.00	---	---	---	---	---	---	---	---
18	00.00	00.01	00.00	00.00	---	---	---	---	---	---	---	---
19	00.00	00.00	00.00	00.00	---	---	---	---	---	---	---	---
20	00.00	00.84	00.00	00.00	---	---	---	---	---	---	---	---
21	00.00	00.42	00.00	00.00	---	---	---	---	---	---	---	---
22	00.00	00.00	00.00	00.25	---	---	---	---	---	---	---	---
23	00.00	00.00	00.08	00.00	---	---	---	---	---	---	---	---
24	00.00	00.00	01.66	00.00	---	---	---	---	---	---	---	---
25	00.00	00.00	00.04	00.00	---	---	---	---	---	---	---	---
26	00.00	00.00	00.85	00.00	---	---	---	---	---	---	---	---
27	00.00	00.00	00.01	00.00	---	---	---	---	---	---	---	---
28	00.00	00.00	00.00	00.00	---	---	---	---	---	---	---	---
29	00.00	00.00	00.00	00.00	---	---	---	---	---	---	---	---
30	00.00	00.00	00.00	00.00	---	---	---	---	---	---	---	---
31	00.00	---	00.38	00.00	---	---	---	---	---	---	---	---
Rain Days	2	7	6	6	0	0	0	0	0	0	0	0
Mnth TTL	1.38 in	5.37 in	3.02 in	2.39 in	0.00 in	0.00 in	0.00 in	0.00 in	0.00 in	0.00 in	0.00 in	0.00 in
YTD TTL	1.38 in	6.75 in	9.77 in	12.16 in	12.16 in	12.16 in	12.16 in	12.16 in	12.16 in	12.16 in	12.16 in	12.16 in
Normal	0.65 in	1.11 in	2.01 in	3.12 in	3.86 in	2.64 in	0.88 in	0.22 in	0.09 in	0.02 in	0.04 in	0.18 in
Act - Normal	0.73 in	4.26 in	1.01 in	-0.73 in	-3.86 in	-2.64 in	-0.88 in	-0.22 in	-0.09 in	-0.02 in	-0.04 in	-0.18 in
YTD Normal	0.65 in	1.76 in	3.77 in	6.89 in	10.75 in	13.39 in	14.27 in	14.49 in	14.58 in	14.60 in	14.64 in	14.82 in
YTD % Normal	212 %	384 %	259 %	176 %	113 %	91 %	85 %	84 %	83 %	83 %	83 %	82 %


Color Key
< 0.25	0.25 - 0.50	0.50 - 0.75	0.75 - 1.00	1.00 - 1.25	1.25 - 1.50	1.50 - 1.75	1.75 - 2.00	2.00 - 2.25	2.25 - 2.50	2.50 - 2.75	2.75 - 3.00	3.00>

'Normals data' source: CoCoRAHS CA-SC-15 (Precipitation estimates from the PRISM Climate Mapping System 30-year normal (1981-2010) for this location.)

Note: in 2015, the California NWS offices began using the hydrology "Water Year" definition which uses October 1 to September 30 as the period. Previously, the offices had used July 1 to June 30 as the period