Chino Hills Daily Rain Amounts History

Other Years:

Monthly 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	00.00	00.20	00.00	00.00	00.00	00.00	00.00
2	00.00	00.00	00.00	00.21	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00
3	00.00	00.00	00.00	00.19	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00
4	00.00	00.00	00.00	00.49	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00
5	00.00	00.00	00.00	00.01	00.00	00.00	00.00	00.08	00.00	00.00	00.00	00.00
6	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.66
7	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00
8	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	---
9	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	---
10	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	---
11	00.00	00.00	00.00	00.00	00.62	00.00	00.00	00.00	00.00	00.00	00.00	---
12	00.00	00.00	00.00	00.00	00.00	00.00	00.30	00.00	00.00	00.00	00.00	---
13	00.00	00.00	00.00	00.00	00.00	00.00	00.03	00.00	00.00	00.00	00.00	---
14	01.34	01.09	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	---
15	00.04	01.54	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	---
16	00.00	00.92	00.00	00.00	01.11	00.00	00.00	00.00	00.00	00.00	00.00	---
17	00.00	00.55	00.00	00.00	00.32	00.00	00.00	00.00	00.00	00.00	00.00	---
18	00.00	00.01	00.00	00.00	00.49	00.00	00.00	00.00	00.00	00.00	00.00	---
19	00.00	00.00	00.00	00.00	00.83	00.00	00.00	00.00	00.00	00.00	00.00	---
20	00.00	00.84	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	---
21	00.00	00.42	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	---
22	00.00	00.00	00.00	00.25	00.00	00.00	00.00	00.00	00.00	00.00	00.00	---
23	00.00	00.00	00.08	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	---
24	00.00	00.00	01.66	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	---
25	00.00	00.00	00.04	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.00	---
26	00.00	00.00	00.85	00.00	00.00	00.00	00.07	00.00	00.00	00.00	00.00	---
27	00.00	00.00	00.01	00.00	00.00	00.00	00.00	00.01	00.00	00.00	00.00	---
28	00.00	00.00	00.00	00.00	00.00	00.00	00.00	00.01	00.00	00.00	00.00	---
29	00.00	00.00	00.00	00.00	---	00.00	00.00	00.00	00.00	00.00	00.00	---
30	00.00	00.00	00.00	00.00	---	00.00	00.00	00.00	00.00	00.00	00.00	---
31	00.00	---	00.38	00.00	---	00.01	---	00.00	---	00.00	00.00	---
Rain Days	2	7	6	6	5	1	4	3	0	0	0	1
Monthly Total	1.38 in	5.37 in	3.02 in	2.39 in	3.37 in	0.01 in	0.60 in	0.10 in	0.00 in	0.00 in	0.00 in	0.66 in
WYTD Total	1.38 in	6.75 in	9.77 in	12.16 in	15.53 in	15.54 in	16.14 in	16.24 in	16.24 in	16.24 in	16.24 in	16.90 in
Normal	0.58 in	0.85 in	2.38 in	3.23 in	3.69 in	2.24 in	0.72 in	0.29 in	0.10 in	0.06 in	0.01 in	0.10 in
Actual - Normal	0.80 in	4.52 in	0.64 in	-0.84 in	-0.32 in	-2.23 in	-0.12 in	-0.19 in	-0.10 in	-0.06 in	-0.01 in	0.56 in
WYTD Normal	0.58 in	1.43 in	3.81 in	7.04 in	10.73 in	12.97 in	13.69 in	13.98 in	14.08 in	14.14 in	14.15 in	14.25 in
WYTD % Normal	238 %	472 %	256 %	173 %	145 %	120 %	118 %	116 %	115 %	115 %	115 %	119 %


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 source: PRISM Climate Data Explorer, 1991-2020 monthly precipitation normals for Chino Hills, Ca (800-meter grid with interpolation). The annual normal is 14.26 inches.

Note: in 2015, the California NWS offices began using the hydrologic "Water Year" definition of October 1 through September 30. Previously, the offices used July 1 through June 30.