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Degree Day Details: Boston / Easterm MA

September 2006 - May 2007

This season's summary · 30-year details

	Degree Days		Month-to-date degree days			Season-to-date degree days
Date	06-07	05-06	06-07	05-06	% diff.	06-07	05-06	% diff.
Sep 1	0	0	0	0	0%	0	0	0%
Sep 2	1	0	1	0	0%	1	0	0%
Sep 3	1	0	2	0	0%	2	0	0%
Sep 4	0	0	2	0	0%	2	0	0%
Sep 5	0	0	2	0	0%	2	0	0%
Sep 6	0	0	2	0	0%	2	0	0%
Sep 7	0	0	2	0	0%	2	0	0%
Sep 8	0	0	2	0	0%	2	0	0%
Sep 9	0	0	2	0	0%	20	0	0%
Sep 10	0	0	2	0	0%	2	0	0%
Sep 11	6	1	11	1	1000%	11	1	1000%
Sep 12	6	0	16	1	1500%	16	1	1500%
Sep 13	6	0	22	1	2100%	22	1	2100%
Sep 14	0	0	22	1	2100%	22	1	2100%
Sep 15	0	0	22	1	2100%	22	1	2100%
Sep 16	0	0	22	1	2100%	22	1	2100%
Sep 17	0	0	22	1	2100%	22	1	2100%
Sep 18	0	0	22	1	2100%	22	1	2100%
Sep 19	0	0	22	1	2100%	22	1	2100%
Sep 20	0	0	22	1	2100%	22	1	2100%
Sep 21	5	0	27	1	2600%	27	1	2600%
Sep 22	4	0	31	1	3000%	31	1	3000%
Sep 23	0	0	31	1	3000%	31	1	3000%
Sep 24	0	8	31	9	244.4%	31	9	244.4%
Sep 25	4	7	36	16	125%	36	16	125%
Sep 26	2	0	36	16	125%	36	16	125%
Sep 27	5	0	41	16	156.3%	41	16	156.3%
Sep 28	4	6	45	22	104.5%	45	22	104.5%
Sep 29	5	0	50	22	127.3%	50	22	127.3%
Sep 30	12	10	62	32	93.8%	62	32	93.8%
Date	06-07	05-06	06-07	05-06	% diff.	06-07	05-06	% diff.
Oct 1	8	5	8	5	60%	70	37	89.2%
Oct 2	6	4	14	9	55.6%	76	41	85.4%
Oct 3	2	5	16	14	14.3%	78	46	69.6%
Oct 4	0	2	16	16	0%	78	48	62.5%
Oct 5	5	0	21	16	31.3%	85	48	77.1%
Oct 6	12	0	32	16	100%	94	48	95.8%
Oct 7	12	0	44	16	175%	106	48	120.8%
Oct 8	9	2	53	18	194.4%	115	50	130%
Oct 9	0	11	53	29	82.8%	115	61	88.5%
Oct 10	6	10	59	39	51.3%	121	71	70.4%
Oct 11	9	10	68	49	38.8%	130	81	60.5%
Oct 12	0	12	68	61	11.5%	133	93	43%
Oct 13	13	7	81	68	19.1%	146	100	46%
Oct 14	14	7	95	75	26.7%	160	107	49.5%
Oct 15	16	8	112	83	34.9%	176	115	53%
Oct 16	15	9	127	92	38%	188	124	51.6%
Oct 17	16	8	143	100	43%	204	132	54.5%
Oct 18	3	9	145	109	33%	209	141	48.2%
Oct 19	5	5	148	114	29.8%	212	146	45.2%
Oct 20	10	12	158	126	25.4%	222	158	40.5%
Oct 21	16	14	174	140	24.3%	238	172	38.4%
Oct 22	17	20	191	160	19.4%	252	192	31.3%
Oct 23	14	18	208	178	16.9%	269	210	28.1%
Oct 24	16	19	224	197	13.7%	285	229	24.5%
Oct 25	16	19	240	216	11.1%	301	248	21.4%
Oct 26	19	21	259	237	9.3%	320	269	19%
Oct 27	22	20	278	257	8.2%	342	289	18.3%
Oct 28	10	22	288	279	3.2%	352	311	13.2%
Oct 29	16	28	307	307	0%	368	339	8.6%
Oct 30	14	11	321	318	0.9%	382	350	9.1%
Oct 31	10	7	330	325	1.5%	394	357	10.4%
Date	06-07	05-06	06-07	05-06	% diff.	06-07	05-06	% diff.
Nov 1	6	7	6	7	-14.3%	398	364	9.3%
Nov 2	18	13	24	20	20%	416	377	10.3%
Nov 3	23	13	47	33	42.4%	439	390	12.6%
Nov 4	24	11	71	44	61.4%	463	401	15.5%
Nov 5	24	10	95	54	75.9%	487	411	18.5%
Nov 6	17	12	112	66	69.7%	504	423	19.1%
Nov 7	17	11	129	77	67.5%	529	434	21.9%
Nov 8	12	12	141	89	58.4%	535	446	20%
Nov 9	6	17	147	106	38.7%	539	463	16.4%
Nov 10	10	16	157	122	28.7%	551	479	15%
Nov 11	11	26	168	148	13.5%	562	505	11.3%
Nov 12	11	24	179	172	4.1%	573	529	8.3%
Nov 13	13	13	192	185	3.8%	584	542	7.7%
Nov 14	8	11	200	196	2%	594	553	7.4%
Nov 15	7	20	207	216	-4.2%	601	573	4.9%
Nov 16	4	9	211	225	-6.2%	603	582	3.6%
Nov 17	6	22	217	247	-12.1%	611	604	1.2%
Nov 18	17	29	234	276	-15.2%	628	633	-0.8%
Nov 19	22	29	256	305	-16.1%	648	662	-2.1%
Nov 20	26	19	282	324	-13%	676	681	-0.7%
Nov 21	28	15	310	339	-8.6%	702	696	0.9%
Nov 22	25	22	335	361	-7.2%	729	718	1.5%
Nov 23	22	33	357	394	-9.4%	751	751	0%
Nov 24	17	30	374	424	-11.8%	768	781	-1.7%
Nov 25	25	38	399	462	-13.6%	793	819	-3.2%
Nov 26	18	34	417	496	-15.9%	811	853	-4.9%
Nov 27	12	27	429	523	-18%	823	880	-6.5%
Nov 28	18	19	447	542	-17.5%	841	899	-6.5%
Nov 29	19	12	466	554	-15.9%	860	911	-5.6%
Nov 30	4	11	470	565	-16.8%	864	922	-6.3%
Date	06-07	05-06	06-07	05-06	% diff.	06-07	05-06	% diff.
Dec 1	2	22	2	22	-90.9%	866	944	-8.3%
Dec 2	14	26	16	48	-66.7%	880	970	-9.3%
Dec 3	25	31	41	79	-48.1%	905	1001	-9.6%
Dec 4	29	36	70	115	-39.1%	934	1037	-9.9%
Dec 5	34	35	104	150	-30.7%	968	1072	-9.7%
Dec 6	29	32	133	182	-26.9%	997	1104	-9.7%
Dec 7	21	39	154	221	-30.3%	1018	1143	-10.9%
Dec 8	38	39	192	260	-26.2%	1056	1182	-10.7%
Dec 9	24	33	226	293	-22.9%	1090	1215	-10.3%
Dec 10	22	33	248	326	-23.9%	1112	1248	-10.9%
Dec 11	23	31	271	357	-24.1%	1135	1279	-11.3%
Dec 12	26	32	297	389	-23.7%	1161	1311	-11.4%
Dec 13	20	47	317	436	-27.3%	1181	1358	-13%
Dec 14	14	47	330	483	-31.7%	1194	1405	-15%
Dec 15	16	43	346	526	-34.2%	1210	1448	-16.4%
Dec 16	18	26	364	552	-34.1%	1228	1474	-16.7%
Dec 17	19	29	383	581	-34.1%	1247	1503	-17%
Dec 18	16	32	399	613	-34.9%	1263	1535	-17.7%
Dec 19	27	35	426	648	-34.3%	1290	1570	-17.8%
Dec 20	29	36	455	684	-33.5%	1319	1606	-17.9%
Dec 21	19	40	474	724	-34.5%	1338	1646	-18.7%
Dec 22	27	36	501	760	-34.1%	1365	1682	-18.8%
Dec 23	14	25	515	785	-34.4%	1379	1707	-19.2%
Dec 24	21	22	536	807	-33.6%	1400	1729	-19%
Dec 25	26	27	562	834	-32.6%	1426	1756	-18.8%
Dec 26	21	24	583	858	-32.1%	1447	1780	-18.7%
Dec 27	26	30	609	888	-31.4%	1473	1810	-18.6%
Dec 28	26	30	635	918	-30.8%	1499	1840	-18.5%
Dec 29	35	20	670	938	-28.6%	1534	1860	-17.5%
Dec 30	34	27	704	965	-27%	1568	1887	-16.9%
Dec 31	31	36	735	1001	-26.6%	1599	1923	-16.8%
Date	06-07	05-06	06-07	05-06	% diff.	06-07	05-06	% diff.
Jan 1	24	37	24	37	-35.1%	1623	1960	-17.2%
Jan 2	25	32	49	69	-29%	1648	1992	-17.3%
Jan 3	22	31	71	100	-29%	1670	2023	-17.4%
Jan 4	19	36	90	136	-33.8%	1689	2059	-18%
Jan 5	9	31	99	167	-40.7%	1698	2090	-18.8%
Jan 6	5	30	104	197	-47.2%	1703	2120	-19.7%
Jan 7	18	37	122	234	-47.9%	1721	2157	-20.2%
Jan 8	18	34	140	268	-47.8%	1739	2191	-20.6%
Jan 9	26	26	166	294	-43.5%	1765	2217	-20.4%
Jan 10	35	26	201	320	-37.2%	1800	2243	-19.8%
Jan 11	37	20	238	340	-30%	1837	2263	-18.8%
Jan 12	22	16	260	356	-27%	1859	2279	-18.4%
Jan 13	20	20	280	376	-25.5%	1879	2299	-18.3%
Jan 14	29	14	309	390	-20.8%	1908	2313	-17.5%
Jan 15	29	39	338	429	-21.2%	1937	2352	-17.6%
Jan 16	35	44	373	473	-21.1%	1970	2396	-17.8%
Jan 17	51	34	424	507	-16.4%	2021	2430	-16.8%
Jan 18	40	16	464	523	-11.3%	2061	2446	-15.7%
Jan 19	28	26	492	549	-10.4%	2091	2472	-15.4%
Jan 20	41	19	533	568	-6.2%	2132	2491	-14.4%
Jan 21	45	16	578	584	-1%	2175	2507	-13.2%
Jan 22	41	32	619	616	0.5%	2216	2539	-12.7%
Jan 23	38	32	657	648	1.4%	2256	2571	-12.3%
Jan 24	31	30	688	678	1.5%	2285	2601	-12.1%
Jan 25	48	28	736	706	4.2%	2333	2629	-11.3%
Jan 26	57	35	793	741	7%	2390	2664	-10.3%
Jan 27	49	35	842	776	8.5%	2439	2699	-9.6%
Jan 28	33	21	875	797	9.8%	2472	2720	-9.1%
Jan 29	41	23	916	820	11.7%	2513	2743	-8.4%
Jan 30	40	25	956	845	13.1%	2553	2768	-7.8%
Jan 31	39	31	995	876	13.6%	2592	2799	-7.4%
Date	06-07	05-06	06-07	05-06	% diff.	06-07	05-06	% diff.
Feb 1	35	29	35	29	20.7%	2627	2830	-7.2%
Feb 2	32	27	67	56	19.6%	2659	2857	-6.9%
Feb 3	36	18	103	74	39.2%	2695	2875	-6.3%
Feb 4	45	21	148	95	55.8%	2740	2896	-5.4%
Feb 5	50	19	198	114	73.7%	2790	2915	-4.3%
Feb 6	44	28	242	142	70.4%	2834	2943	-3.7%
Feb 7	47	33	289	175	65.1%	2881	2976	-3.2%
Feb 8	44	36	333	211	57.8%	2925	3012	-2.9%
Feb 9	41	38	374	249	50.2%	2966	3050	-2.8%
Feb 10	39	42	413	291	41.9%	3005	3092	-2.8%
Feb 11	40	42	453	333	36%	3045	3134	-2.8%
Feb 12	36	43	489	376	30.1%	3081	3177	-3%
Feb 13	49	40	538	416	29.3%	3130	3217	-2.7%
Feb 14	39	31	577	447	29.1%	3169	3248	-2.4%
Feb 15	46	23	623	470	32.6%	3215	3271	-1.7%
Feb 16	45	21	668	491	36%	3260	3292	-1%
Feb 17	36	22	704	513	37.2%	3296	3314	-0.5%
Feb 18	38	43	742	556	33.5%	3334	3357	-0.7%
Feb 19	50	46	792	602	31.6%	3384	3403	-0.6%
Feb 20	30	38	822	640	28.4%	3414	3441	-0.8%
Feb 21	25	34	847	674	25.7%	3439	3475	-1%
Feb 22	31	30	878	704	24.7%	3470	3505	-1%
Feb 23	39	28	917	732	25.3%	3509	3533	-0.7%
Feb 24	40	34	957	766	24.9%	3549	3567	-0.5%
Feb 25	31	41	988	807	22.4%	3580	3608	-0.8%
Feb 26	31	47	1019	854	19.3%	3611	3655	-1.2%
Feb 27	31	50	1050	904	16.2%	3642	3705	-1.7%
Feb 28	29	43	1079	947	13.9%	3671	3748	-2.1%
Feb 29	0		0	0	0%	0	0	0%
Date	06-07	05-06	06-07	05-06	% diff.	06-07	05-06	% diff.
Mar 1	32	39	32	39	-17.9%	3703	3787	-2.2%
Mar 2	27	36	59	75	-21.3%	3730	3823	-2.4%
Mar 3	21	39	80	114	-29.8%	3751	3862	-2.9%
Mar 4	29	35	109	149	-26.8%	3780	3897	-3%
Mar 5	34	28	143	177	-19.2%	3814	3925	-2.8%
Mar 6	50	33	193	210	-8.1%	3864	3958	-2.4%
Mar 7	50	32	243	242	0.4%	3914	3990	-1.9%
Mar 8	48	32	291	274	6.2%	3962	4022	-1.5%
Mar 9	47	27	338	301	12.3%	4009	4049	-1%
Mar 10	27	13	365	314	16.2%	4036	4062	-0.6%
Mar 11	19	14	384	328	17.1%	4055	4076	-0.5%
Mar 12	20	19	404	347	16.4%	4075	4095	-0.5%
Mar 13	15	18	419	365	14.8%	4090	4113	-0.6%
Mar 14	8	18	427	383	11.5%	4098	4131	-0.8%
Mar 15	17	28	444	411	8%	4115	4159	-1.1%
Mar 16	33	28	477	439	8.7%	4148	4187	-0.9%
Mar 17	32	32	509	471	8.1%	4180	4219	-0.9%
Mar 18	36	35	545	506	7.7%	4216	4254	-0.9%
Mar 19	31	35	577	541	6.7%	4248	4289	-1%
Mar 20	31	37	608	578	5.2%	4279	4326	-1.1%
Mar 21	37	30	645	608	6.1%	4316	4356	-0.9%
Mar 22	19	28	664	636	4.4%	4335	4384	-1.1%
Mar 23	15	20	679	656	3.5%	4350	4404	-1.2%
Mar 24	26	24	705	680	3.7%	4376	4428	-1.2%
Mar 25	25	26	730	706	3.4%	4401	4454	-1.2%
Mar 26	23	22	753	728	3.4%	4424	4476	-1.2%
Mar 27	15	18	768	746	2.9%	4439	4494	-1.2%
Mar 28	17	22	785	768	2.2%	4456	4516	-1.3%
Mar 29	22	20	807	788	2.4%	4478	4536	-1.3%
Mar 30	15	14	822	802	2.5%	4493	4550	-1.3%
Mar 31	24	8	846	810	4.4%	4517	1558	189.9%
Date	06-07	05-06	06-07	05-06	% diff.	06-07	05-06	% diff.
Apr 1	22	5	22	5	340%	4539	4563	-0.5%
Apr 2	25	10	47	15	213.3%	4564	4573	-0.2%
Apr 3	24	19	71	34	108.8%	4588	4592	-0.1%
Apr 4	28	21	99	55	80%	4616	4613	0.1%
Apr 5	34	29	133	84	58.3%	4650	4642	0.2%
Apr 6	31	21	164	105	56.2%	4681	4663	0.4%
Apr 7	29	16	193	121	59.5%	4710	4679	0.7%
Apr 8	29	19	222	140	58.6%	4739	4698	0.9%
Apr 9	23	25	245	165	48.5%	4762	4723	0.8%
Apr 10	25	18	270	183	47.5%	4787	4741	1%
Apr 11	23	15	293	199	47.2%	4810	4757	1.1%
Apr 12	27	10	320	209	53.1%	4837	4767	1.5%
Apr 13	23	3	343	212	61.8%	4860	4770	1.9%
Apr 14	19	8	362	220	64.5%	4879	4778	2.1%
Apr 15	24	3	386	223	73.1%	4903	4781	2.6%
Apr 16	20	12	406	235	72.8%	4923	4793	2.7%
Apr 17	25	17	431	252	71%	4948	4810	2.9%
Apr 18	24	10	455	262	73.7%	4972	4820	3.2%
Apr 19	20	4	476	266	78.9%	4993	4824	3.5%
Apr 20	21	10	496	276	79.7%	5013	4834	3.7%
Apr 21	5	19	501	295	69.8%	5018	4853	3.4%
Apr 22	7	21	508	316	60.8%	5025	4875	3.1%
Apr 23	0	19	508	335	51.6%	5025	4893	2.7%
Apr 24	2	19	510	354	44.1%	5027	4912	2.3%
Apr 25	13	8	523	362	44.5%	5040	4920	2.4%
Apr 26	15	16	538	378	42.3%	5055	4936	2.4%
Apr 27	18	16	556	394	41.1%	5073	4952	2.4%
Apr 28	17	20	573	414	38.4%	5090	4972	2.4%
Apr 29	18	18	591	432	36.8%	5108	4990	2.4%
Apr 30	8	17	599	449	33.4%	5116	5007	2.2%
Date	06-07	05-06	06-07	05-06	% diff.	06-07	05-06	% diff.
May 1	7	15	7	15	-53.3%	5123	5022	2%
May 2	8	19	15	34	-55.9%	5131	5041	1.8%
May 3	7	15	22	49	-55.1%	5138	5056	1.6%
May 4	6	3	28	52	-46.2%	5144	5059	1.7%
May 5	7	0	35	52	-32.7%	5151	5059	1.8%
May 6	17	4	52	56	-7.1%	5168	5063	2.1%
May 7	11	11	63	67	-6%	5179	5074	2.1%
May 8	1	13	64	80	-20%	5180	5087	1.8%
May 9	0	14	64	94	-31.9%	5180	5101	1.5%
May 10	0	16	64	110	-41.8%	5180	5147	0.6%
May 11	0	15	64	127	-49.6%	5180	5134	0.9%
May 12	5	15	69	140	-50.7%	5185	5147	0.7%
May 13	6	17	75	157	-52.2%	5191	5164	0.5%
May 14	4	17	79	174	-54.6%	5195	5181	0.3%
May 15	0	16	79	190	-58.4%	5195	5197	0%
May 16	8	13	87	203	-57.1%	5203	5210	-0.1%
May 17	19	5	106	208	-49%	5222	5215	0.1%
May 18	21	1	127	209	-39.2%	5243	5216	0.5%
May 19	17	6	144	215	-33%	5260	5222	0.7%
May 20	8	6	152	221	-31.2%	5268	5228	0.8%
May 21	7	8	159	229	-30.6%	5275	5236	0.7%
May 22	7	9	166	238	-30.3%	5282	5245	0.7%
May 23	3	10	169	248	-31.9%	5285	5255	0.6%
May 24	0	5	169	253	-33.2%	5285	5260	0.5%
May 25	0	3	169	256	-34%	5285	5263	0.4%
May 26	0	0	169	256	-34%	5285	5263	0.4%
May 27	1	0	170	256	-33.6%	5286	5263	0.4%
May 28	0	0	170	256	-33.6%	5286	5263	0.4%
May 29	0	0	170	256	-33.6%	5286	5263	0.4%
May 30	0	2	170	258	-34.1%	5286	5265	0.4%
May 31	4	0	174	258	-32.6%	5290	5265	0.5%