Precipitation Data for Castle Rock, CO 80109

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Total	% of 30yr Avg
30yr Avg (1981-2010) View in Rain Harvest Calculator	0.62	0.65	1.83	2.2	2.18	2.05	2.46	2.71	1.24	1.11	1.0	0.74	18.79	-
5yr Avg (2013-2017) View in Rain Harvest Calculator	0.49	0.83	1.18	2.18	3.06	2.15	3.07	1.56	2.33	0.73	0.68	0.56	18.82	100%
Recent Years
2017 View in Rain Harvest Calculator	0.50	0.25	1.10	1.40	3.93	0.32	4.71	1.40	1.58	0.53	0.48	0.25	16.45	88%
2016 View in Rain Harvest Calculator	0.47	0.76	1.54	3.28	1.87	3.54	1.69	1.32	0.22	0.21	0.42	0.62	15.94	85%
2015 View in Rain Harvest Calculator	0.51	1.78	1.17	3.48	5.06	4.68	2.08	0.80	0.11	1.21	1.95	0.68	23.51	125%
2014 View in Rain Harvest Calculator	0.82	0.28	1.10	1.56	2.41	1.78	5.09	1.38	2.92	0.96	0.42	0.74	19.46	104%
2013 View in Rain Harvest Calculator	0.15	1.06	0.97	1.18	2.03	0.43	1.78	2.88	6.82	0.72	0.13	0.50	18.65	99%