HAMweather Climate Center - July Normals for Chatham, MA

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Climatological Normals

Day	Temperatures (°F)			Precipitation (in)	Degree Days
Day	Min	Max	Avg	Precipitation (in)	Heating	Cooling
1	61	76	68	0.09	--	4
2	61	76	69	0.09	--	4
3	62	76	69	0.09	--	4
4	62	76	69	0.09	--	5
5	62	77	69	0.09	0	5
6	62	77	70	0.09	0	5
7	62	77	70	0.09	0	5
8	62	77	70	0.09	0	5
9	63	77	70	0.09	0	5
10	63	77	70	0.09	0	5
11	63	78	70	0.09	0	6
12	63	78	71	0.09	0	6
13	63	78	71	0.09	0	6
14	63	78	71	0.09	0	6
15	63	78	71	0.09	0	6
16	64	78	71	0.09	0	6
17	64	78	71	0.09	0	6
18	64	78	71	0.09	0	6
19	64	78	71	0.09	0	6
20	64	78	71	0.09	0	6
21	64	78	71	0.09	0	6
22	64	79	71	0.09	0	6
23	64	79	71	0.09	0	6
24	64	79	71	0.09	0	6
25	64	79	71	0.09	0	6
26	64	79	71	0.09	0	7
27	64	79	72	0.09	0	7
28	64	79	71	0.09	0	7
29	64	79	71	0.09	0	6
30	64	78	71	0.1	0	6
31	64	78	71	0.1	0	6
Month	63	78	71	2.81	4	176

Data Controls
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Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation		- Forecast - Past Weather