History for Philadelphia, PA

Month of January, 2012 — View Current Conditions

	Monthly Summary

Monthly

	Max:	Avg:	Min:	Sum:
Temperature:
Max Temperature	63 °F	46 °F	29 °F
Mean Temperature	52 °F	38 °F	22 °F
Min Temperature	43 °F	30 °F	14 °F
Degree Days:
Heating Degree Days (base 65)	43	27	13	831
Cooling Degree Days (base 65)	0	0	0	0
Growing Degree Days (base 50)	2	0	0	2
Dew Point:
Dew Point	57 °F	24 °F	-5 °F
Precipitation:
Precipitation	0.68 in	0.10 in	0.00 in	2.59 in
Snowdepth	2.0 in	0.2 in	0.0 in	-
Wind:
Wind	38 mph	10 mph	0 mph
Gust Wind	47 mph	24 mph	16 mph
Sea Level Pressure:
Sea Level Pressure	30.63 in	30.05 in	29.31 in

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Local Photos:

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Astronomy for January 4, 2012:

	Rise:	Set:
Actual Time:	7:22 AM EST	4:49 PM EST
Civil Twilight:	6:52 AM EST	5:19 PM EST
Nautical Twilight:	6:18 AM EST	5:53 PM EST
Astronomical Twilight:	5:45 AM EST	6:25 PM EST
Moon:	1:10 PM EST (1/4)	3:08 AM EST (1/4)
Length Of Visible Light:	10h 26m
Length of Day:	9h 26m

Waxing Gibbous, 80% Moon Illumination

Jan 4	Jan 9 Full	Jan 16 Last Quarter	Jan 23 New	Jan 30 First Quarter

For more information about the solar system, view the complete star chart!

Definitions of Astronomy Terms

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	Monthly Calendar Overview

January 2012

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

1
Actual:	54 \| 35
Precip:	0.02
Average:	41 \| 27
Precip:	0.09

2
Actual:	49 \| 33
Precip:	0.00
Average:	41 \| 26
Precip:	0.10

3
Actual:	33 \| 19
Precip:	T
Average:	41 \| 26
Precip:	0.09

4
Actual:	30 \| 14
Precip:	0.01
Average:	41 \| 26
Precip:	0.10

5
Actual:	40 \| 28
Precip:	T
Average:	40 \| 26
Precip:	0.10

6
Actual:	56 \| 27
Precip:	0.00
Average:	40 \| 26
Precip:	0.09

7
Actual:	63 \| 34
Precip:	0.00
Average:	40 \| 26
Precip:	0.10

8
Actual:	48 \| 34
Precip:	0.00
Average:	40 \| 26
Precip:	0.09

9
Actual:	42 \| 31
Precip:	0.00
Average:	40 \| 26
Precip:	0.10

10
Actual:	49 \| 32
Precip:	0.00
Average:	40 \| 26
Precip:	0.10

11
Actual:	51 \| 28
Precip:	0.36
Average:	40 \| 26
Precip:	0.10

12
Actual:	53 \| 40
Precip:	0.68
Average:	40 \| 25
Precip:	0.10

13
Actual:	51 \| 29
Precip:	0.05
Average:	40 \| 25
Precip:	0.10

14
Actual:	35 \| 27
Precip:	0.00
Average:	40 \| 25
Precip:	0.10

15
Actual:	29 \| 18
Precip:	T
Average:	40 \| 25
Precip:	0.10

16
Actual:	38 \| 17
Precip:	0.03
Average:	40 \| 25
Precip:	0.10

17
Actual:	55 \| 37
Precip:	0.30
Average:	40 \| 25
Precip:	0.10

18
Actual:	54 \| 27
Precip:	0.00
Average:	40 \| 25
Precip:	0.10

19
Actual:	37 \| 20
Precip:	0.00
Average:	40 \| 25
Precip:	0.09

20
Actual:	36 \| 28
Precip:	0.00
Average:	40 \| 25
Precip:	0.10

21
Actual:	31 \| 25
Precip:	0.38
Average:	40 \| 25
Precip:	0.10

22
Actual:	34 \| 19
Precip:	0.00
Average:	40 \| 25
Precip:	0.09

23
Actual:	52 \| 34
Precip:	0.29
Average:	40 \| 25
Precip:	0.10

24
Actual:	54 \| 41
Precip:	0.00
Average:	40 \| 25
Precip:	0.10

25
Actual:	46 \| 38
Precip:	0.00
Average:	40 \| 25
Precip:	0.10

26
Actual:	45 \| 38
Precip:	0.05
Average:	40 \| 26
Precip:	0.09

27
Actual:	61 \| 43
Precip:	0.42
Average:	41 \| 26
Precip:	0.10

28
Actual:	49 \| 33
Precip:	0.00
Average:	41 \| 26
Precip:	0.09

29
Actual:	45 \| 31
Precip:	T
Average:	41 \| 26
Precip:	0.11

30
Actual:	42 \| 33
Precip:	T
Average:	41 \| 26
Precip:	0.10

31
Actual:	62 \| 35
Precip:	0.00
Average:	41 \| 26
Precip:	0.10

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Precip: Actual Month Total: 2.59 Normal month total: 3.03

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Calendar Key:

Sunny Clear	Mostly Cloudy Partly Sunny	Partly Cloudy Mostly Sunny	Cloudy	Rain	Snow
Hail Flurries	Thunderstorms	Hazy Fog	Sleet	'?' denotes 'chance of'	Unknown

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	Daily Observations

2012	Temp. (°F)			Dew Point (°F)			Humidity (%)			Sea Level Pressure (in)			Visibility (mi)			Wind (mph)		Gust Speed (mph)	Precip. (in)	Events
January	high	avg	low	high	avg	low	high	avg	low	high	avg	low	high	avg	low	high	avg	high	sum
1	54	45	35	43	37	32	89	72	54	30.13	29.96	29.74	10	10	10	23	9	29	0.02	Rain
2	49	41	33	29	17	8	52	41	29	29.89	29.84	29.78	10	10	10	36	16	43	0.00
3	33	26	19	18	6	-3	58	43	28	30.22	30.02	29.89	10	10	10	32	16	41	T	Snow
4	30	22	14	25	9	-5	53	45	36	30.31	30.13	30.00	10	8	2	16	10	23	0.01	Snow
5	40	34	28	25	23	20	85	65	44	30.01	29.97	29.93	10	10	10	22	8	29	T
6	56	42	27	30	27	22	85	60	35	29.98	29.88	29.80	10	10	10	16	8	21	0.00
7	63	49	34	36	30	23	76	53	29	30.03	29.85	29.76	10	10	10	22	8	25	0.00
8	48	41	34	25	23	18	59	48	36	30.35	30.22	30.06	10	10	10	17	9	22	0.00
9	42	37	31	30	20	11	75	53	30	30.36	30.22	30.03	10	10	8	12	3	14	0.00
10	49	41	32	31	28	24	89	64	39	30.06	30.00	29.95	10	8	5	21	9	26	0.00
11	51	40	28	42	32	26	92	69	46	30.10	29.96	29.71	10	8	5	16	7	22	0.36	Rain
12	53	47	40	52	46	40	96	91	86	29.64	29.47	29.39	10	5	1	20	7	28	0.68	Fog , Rain
13	51	40	29	45	26	10	92	65	38	29.92	29.56	29.31	10	9	5	38	21	47	0.05	Rain
14	35	31	27	16	13	11	58	48	38	30.14	30.04	29.94	10	10	10	23	14	32	0.00
15	29	24	18	18	6	-1	57	45	33	30.61	30.38	30.14	10	10	6	20	11	25	T	Snow
16	38	28	17	30	13	1	56	44	31	30.63	30.44	30.19	10	10	8	20	8	25	0.03	Rain
17	55	46	37	47	39	30	92	79	66	30.17	29.92	29.62	10	8	3	22	13	31	0.30	Rain , Snow
18	54	41	27	46	18	7	83	55	27	30.21	29.99	29.66	10	10	10	26	14	35	0.00
19	37	29	20	22	13	7	62	49	35	30.25	30.12	29.97	10	10	10	15	8	20	0.00
20	36	32	28	24	10	2	64	45	26	30.32	30.20	29.98	10	10	10	21	9	25	0.00
21	31	28	25	28	22	7	92	64	36	30.31	30.10	29.97	10	5	0	23	11	25	0.38	Fog , Rain , Snow
22	34	27	19	31	20	11	85	76	67	30.52	30.45	30.35	10	10	8	17	9	22	0.00
23	52	43	34	48	37	30	96	91	86	30.39	30.15	29.93	10	3	0	21	6	25	0.29	Fog , Rain
24	54	48	41	46	37	30	93	69	45	30.19	30.06	29.93	10	8	5	21	9	26	0.00
25	46	42	38	29	26	23	70	58	45	30.37	30.28	30.22	10	10	10	16	7	21	0.00
26	45	42	38	41	34	28	89	76	62	30.24	30.07	29.78	10	8	2	13	6	16	0.05	Rain
27	61	52	43	57	47	26	96	73	50	29.95	29.58	29.43	10	6	2	33	13	45	0.42	Rain
28	49	41	33	32	25	15	75	54	33	30.13	30.02	29.94	10	10	10	23	10	30	0.00
29	45	38	31	22	14	11	44	36	27	30.26	30.17	30.07	10	10	10	30	13	40	T
30	42	38	33	25	15	8	56	41	25	30.37	30.28	30.09	10	10	10	29	12	38	T
31	62	49	35	32	28	19	70	49	27	30.24	30.15	30.06	10	10	10	21	9	24	0.00

Comma Delimited File