HAMweather Climate Center - July Normals for Waltham, MA

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Climatological Normals

Day	Temperatures (°F)			Precipitation (in)	Degree Days
Day	Min	Max	Avg	Precipitation (in)	Heating	Cooling
1	58	83	70	0.12	--	6
2	58	83	71	0.12	--	6
3	59	83	71	0.11	0	6
4	59	83	71	0.11	0	6
5	59	84	71	0.11	0	7
6	59	84	71	0.11	0	7
7	59	84	72	0.11	0	7
8	59	84	72	0.11	0	7
9	60	84	72	0.11	0	7
10	60	84	72	0.11	0	7
11	60	84	72	0.11	0	7
12	60	85	72	0.11	0	7
13	60	85	73	0.1	0	8
14	60	85	73	0.1	0	8
15	60	85	73	0.1	0	8
16	61	85	73	0.1	0	8
17	61	85	73	0.1	0	8
18	61	85	73	0.1	0	8
19	61	85	73	0.1	0	8
20	61	85	73	0.1	0	8
21	61	85	73	0.1	0	8
22	61	85	73	0.1	0	8
23	61	85	73	0.1	0	8
24	61	85	73	0.1	0	8
25	61	85	73	0.1	0	8
26	61	85	73	0.1	0	8
27	61	85	73	0.1	0	8
28	61	85	73	0.1	0	8
29	61	85	73	0.1	0	8
30	61	85	73	0.1	0	8
31	61	85	73	0.1	0	7
Month	60	85	72	3.24	2	231

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