History for Ottumwa, IA

Month of August, 2012 — View Current Conditions

	Monthly Summary

Monthly

	Max:	Avg:	Min:	Sum:
Temperature:
Max Temperature	100 °F	86 °F	74 °F
Mean Temperature	82 °F	72 °F	62 °F
Min Temperature	69 °F	59 °F	47 °F
Degree Days:
Heating Degree Days (base 65)	3	0	0	5
Cooling Degree Days (base 65)	17	8	0	237
Growing Degree Days (base 50)	32	22	10	685
Dew Point:
Dew Point	75 °F	58 °F	43 °F
Precipitation:
Precipitation	1.29 in	0.11 in	0.00 in	2.99 in
Snowdepth	-	-	-	-
Wind:
Wind	31 mph	6 mph	0 mph
Gust Wind	40 mph	20 mph	16 mph
Sea Level Pressure:
Sea Level Pressure	30.18 in	29.97 in	29.73 in

Change Location:

Trip Planner:

Search our historical database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it will be!

Go To The Trip Planner

Local Photos:

Rainbows after storm

A thunderstorm passed through quickly, followed by this beautiful double rainbow!

View More WunderPhotos

Astronomy for August 19, 2012:

	Rise:	Set:
Actual Time:	6:23 AM CDT	8:01 PM CDT
Civil Twilight:	5:54 AM CDT	8:31 PM CDT
Nautical Twilight:	5:19 AM CDT	9:06 PM CDT
Astronomical Twilight:	4:41 AM CDT	9:43 PM CDT
Moon:	8:40 AM CDT (8/19)	8:48 PM CDT (8/19)
Length Of Visible Light:	14h 36m
Length of Day:	13h 38m

Waxing Crescent, 5% Moon Illumination

Aug 19	Aug 24 First Quarter	Aug 31 Full	Sep 8 Last Quarter	Sep 15 New

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

Definitions of Astronomy Terms

: Top of Page :

	Monthly Calendar Overview

August 2012

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

1
Actual:	97 \| 60
Precip:	0.00
Average:	85 \| 64
Precip:	0.15

2
Actual:	94 \| 69
Precip:	0.00
Average:	85 \| 64
Precip:	0.14

3
Actual:	97 \| 67
Precip:	0.00
Average:	85 \| 64
Precip:	0.14

4
Actual:	86 \| 64
Precip:	0.25
Average:	85 \| 64
Precip:	0.14

5
Actual:	81 \| 56
Precip:	0.00
Average:	85 \| 64
Precip:	0.14

6
Actual:	89 \| 49
Precip:	T
Average:	85 \| 64
Precip:	0.14

7
Actual:	100 \| 61
Precip:	0.01
Average:	85 \| 64
Precip:	0.15

8
Actual:	85 \| 64
Precip:	0.09
Average:	85 \| 64
Precip:	0.15

9
Actual:	83 \| 61
Precip:	0.00
Average:	84 \| 63
Precip:	0.14

10
Actual:	80 \| 54
Precip:	0.00
Average:	84 \| 63
Precip:	0.15

11
Actual:	80 \| 49
Precip:	0.00
Average:	84 \| 63
Precip:	0.15

12
Actual:	74 \| 61
Precip:	1.29
Average:	84 \| 63
Precip:	0.15

13
Actual:	74 \| 58
Precip:	0.00
Average:	84 \| 63
Precip:	0.15

14
Actual:	84 \| 56
Precip:	0.00
Average:	84 \| 63
Precip:	0.16

15
Actual:	88 \| 59
Precip:	0.00
Average:	84 \| 63
Precip:	0.15

16
Actual:	78 \| 53
Precip:	0.61
Average:	84 \| 63
Precip:	0.17

17
Actual:	76 \| 49
Precip:	0.00
Average:	84 \| 63
Precip:	0.16

18
Actual:	76 \| 47
Precip:	0.00
Average:	84 \| 62
Precip:	0.16

19
Actual:	77 \| 53
Precip:	T
Average:	84 \| 62
Precip:	0.15

20
Actual:	80 \| 50
Precip:	0.00
Average:	83 \| 62
Precip:	0.15

21
Actual:	83 \| 49
Precip:	0.00
Average:	83 \| 62
Precip:	0.15

22
Actual:	93 \| 54
Precip:	0.00
Average:	83 \| 62
Precip:	0.15

23
Actual:	94 \| 64
Precip:	0.00
Average:	83 \| 61
Precip:	0.15

24
Actual:	92 \| 64
Precip:	T
Average:	83 \| 61
Precip:	0.15

25
Actual:	91 \| 64
Precip:	0.05
Average:	83 \| 61
Precip:	0.15

26
Actual:	80 \| 66
Precip:	0.69
Average:	83 \| 61
Precip:	0.15

27
Actual:	88 \| 59
Precip:	0.00
Average:	82 \| 61
Precip:	0.15

28
Actual:	90 \| 61
Precip:	0.00
Average:	82 \| 60
Precip:	0.14

29
Actual:	92 \| 63
Precip:	0.00
Average:	82 \| 60
Precip:	0.14

30
Actual:	96 \| 66
Precip:	0.00
Average:	82 \| 60
Precip:	0.14

31
Actual:	84 \| 65
Precip:	0.00
Average:	81 \| 59
Precip:	0.15

« Previous Month

« 2011

Precip: Actual Month Total: 2.99 Normal month total: 4.61

2013 »

Next Month »

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

Print This Calendar

: Top of Page :

	Daily Observations

2012	Temp. (°F)			Dew Point (°F)			Humidity (%)			Sea Level Pressure (in)			Visibility (mi)			Wind (mph)		Gust Speed (mph)	Precip. (in)	Events
August	high	avg	low	high	avg	low	high	avg	low	high	avg	low	high	avg	low	high	avg	high	sum
1	97	79	60	66	60	52	90	56	22	29.96	29.89	29.81	10	10	9	8	4	-	0.00	Rain
2	94	82	69	66	63	59	73	55	36	29.83	29.79	29.74	10	10	10	13	7	18	0.00
3	97	82	67	70	65	61	81	56	31	29.87	29.80	29.77	10	10	8	15	6	23	0.00	Rain
4	86	75	64	75	69	61	93	82	70	29.99	29.86	29.77	10	9	2	29	8	38	0.25	Rain , Thunderstorm
5	81	69	56	60	56	52	97	67	36	30.18	30.13	30.01	10	10	10	18	8	25	0.00	Rain
6	89	69	49	60	54	48	96	64	31	30.18	30.10	29.99	10	10	2	9	4	18	T
7	100	81	61	71	60	51	90	55	19	29.98	29.94	29.89	10	10	5	15	5	20	0.01	Rain , Thunderstorm
8	85	75	64	68	65	61	93	72	51	30.02	29.95	29.86	10	10	9	31	6	40	0.09	Rain , Thunderstorm
9	83	72	61	64	62	59	93	70	47	29.97	29.92	29.87	10	10	8	20	9	24	0.00
10	80	67	54	59	56	53	97	72	46	30.08	30.02	29.96	10	10	9	16	9	20	0.00
11	80	65	49	55	51	48	96	66	35	30.08	30.04	29.99	10	9	2	12	5	15	0.00
12	74	68	61	63	60	52	93	78	63	30.00	29.94	29.87	10	8	2	18	8	22	1.29	Rain , Thunderstorm
13	74	66	58	61	60	56	100	81	61	30.01	29.95	29.88	10	9	3	16	8	22	0.00
14	84	70	56	60	56	53	93	65	37	30.01	29.96	29.90	10	10	10	9	5	21	0.00
15	88	74	59	61	57	55	84	60	36	29.95	29.87	29.78	10	10	10	16	8	21	0.00
16	78	66	53	66	60	51	87	68	49	30.06	29.89	29.73	10	9	2	23	12	35	0.61	Rain , Thunderstorm
17	76	63	49	52	48	43	93	63	33	30.10	30.06	30.03	10	10	10	14	6	22	0.00
18	76	62	47	55	49	43	100	66	31	30.04	30.01	29.96	10	10	9	13	4	17	0.00
19	77	65	53	56	53	51	93	68	43	30.03	29.99	29.96	10	10	10	15	6	21	T	Rain , Thunderstorm
20	80	65	50	56	52	50	100	70	39	30.03	29.99	29.96	10	10	6	14	4	17	0.00
21	83	66	49	51	48	43	89	57	24	30.07	30.04	30.01	10	10	10	12	5	15	0.00
22	93	74	54	57	52	48	77	51	25	30.04	29.99	29.93	10	10	10	12	5	14	0.00
23	94	79	64	55	51	47	63	43	22	30.02	29.96	29.91	10	10	10	21	9	29	0.00
24	92	78	64	56	52	46	67	44	21	29.98	29.93	29.89	10	10	10	22	8	28	T	Rain
25	91	78	64	68	60	53	97	66	34	29.95	29.92	29.88	10	9	5	22	8	30	0.05	Rain
26	80	73	66	72	70	64	100	86	71	30.03	29.95	29.90	10	7	2	14	6	18	0.69	Rain
27	88	74	59	68	62	58	100	70	40	30.14	30.09	30.03	10	5	0	9	3	12	0.00	Fog , Rain
28	90	76	61	65	62	59	97	68	38	30.16	30.07	29.99	10	10	9	9	3	12	0.00	Rain
29	92	78	63	65	61	57	87	61	34	30.02	29.97	29.89	10	10	10	15	8	20	0.00	Rain
30	96	81	66	62	59	55	81	54	26	29.99	29.93	29.88	10	10	10	15	8	22	0.00	Rain
31	84	75	65	70	65	58	87	72	57	30.03	29.98	29.95	10	10	10	13	6	17	0.00	Rain

Comma Delimited File