Wailupe Valley Rainfall

Aina Haina is a community in the Wailupe Valley ahupua'a (land division extending from the sea to the mountains), east of Kaimuki and west of Hawaii Kai. This page could also be called "Aina Haina Rainfall."

Rainfall Measurement

Rainfall at 672 Lawelawe Street (elevation = 42 feet), in the middle of the developed part of the Wailupe Valley, right by the stream, is recorded daily at 8:00 AM in the spreadsheet linked below (file updated monthly).

Monthly rainfall summary for 2012-2024.

Rainfall (Excel file)

Rainfall by year in inches.

Rainfall monthly average in inches.

Rainfall monthly median in inches.

Month	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024
January		0.67	6.60	3.17	1.69	0.72	1.23	0.735	3.23	4.57	11.34	6.83	4.22	1.60
February		1.34	2.02	3.20	0.99	1.03	5.06	8.525	10.08	3.45	1.39	0.98	4.08	1.07
March		16.04	3.48	5.33	2.28	0.9	2.60	4.69	0.89	5.92	11.89	1.83	2.79	1.80
April		1.67	1.69	3.41	1.95	3.52	2.84	8.48	2.49	2.40	3.49	1.12	5.40	2.77
May		0.38	1.59	2.51	1.19	1.35	1.89	1.42	1.19	0.67	0.52	1.20	2.32	10.06
June	1.58+	1.555	2.51	2.80	1.82	2.20	1.37	1.23	4.12	0.71	1.15	0.54	1.25	1.08
July	1.15	1.34	1.46	4.55	1.46	6.37	1.34	1.48	0.9	2.54	1.24	1.98	1.94	1.39
August	0.855	0.93	1.26	1.81	8.79	4.45	0.745	2.48	0.6	0.52	2.37	1.03	1.12	2.48
September	0.71	1.785	2.70	2.05	8.49	4.36	0.43	7.15	1.55	0.65	2.32	1.55	1.59	0.69
October	1.795	0.595	0.64	9.87	2.77	1.90	4.685	6.82	2.23	3.83	1.47	2.17	0.49	1.28
November	2.085	1.17	6.39	2.99	10.03	2.09	3.32	3.21	1.12	3.61	1.1	1.91	5.12	2.56
December	5.11	1.82	4.09	8.00	1.84	3.53	8.04	4.75	7.82	2.92	13.27	3.99	4.78
Total	13.285	29.295	34.43	49.69	43.2	32.42	33.55	50.97	36.22	31.79	51.55	25.13	35.10	26.78

Mid-Wailupe Rainfall (inches)

June 2011 rainfall was not measured for the full month. Rainfall measurements continue on a daily basis.

Rain Gage and Rain Barrel Installation

Our rain gage supplied by Malama Maunalua for measuring mid-Wailupe Valley rainfall.

The rain gage installation in our yard. The hummingbird rain gage is inaccurate and for decoration only.

The rain barrel installation.

Wailupe Stream Pollution

Andrea, Lenore, and I attended a meeting called by Malama Maunalua to discuss the next steps in implementing a plan to mitigate pollution from Wailupe stream. Report.

July 8^th, 2011 meeting at Calvary Church for pollution mitigation planning.

Wailupe Valley Circa 1935

Aina Haina is located in the Wailupe Valley.

Wailupe valley circa 1935. Click the image for the full resolution version of the photo.

The late Gregg Kashiwa has some interesting remarks about the photograph.

Email Richard dot J dot Wagner at gmail dot com