History for Mason City, IA

Tuesday, August 21, 2012 — View Current Conditions

Tuesday, August 21, 2012

	Actual	Average	Record
Temperature
Mean Temperature	61 °F	69 °F
Max Temperature	81 °F	80 °F	100 °F (1947)
Min Temperature	41 °F	58 °F	36 °F (2004)
Degree Days
Heating Degree Days	4	1
Month to date heating degree days	31	16
Since 1 June heating degree days	50	69
Since 1 July heating degree days	31	25
Cooling Degree Days	0	5
Month to date cooling degree days	90	119
Year to date cooling degree days	751	513
Since 1 June cooling degree days	669	478
Growing Degree Days	11 (Base 50)
Moisture
Dew Point	44 °F
Average Humidity	59
Maximum Humidity	92
Minimum Humidity	26
Precipitation
Precipitation	0.00 in	0.13 in	3.25 in (1979)
Month to date precipitation	0.53	2.80
Year to date precipitation	14.96	25.12
Snow
Snow	0.00 in	0.00 in	- ()
Month to date snowfall	0.0	0.0
Since 1 June snowfall	0.0	0.0
Since 1 July snowfall	0.0	0.0
Snow Depth	0.00 in
Sea Level Pressure
Sea Level Pressure	30.07 in
Wind
Wind Speed	4 mph (SSE)
Max Wind Speed	12 mph
Max Gust Speed	17 mph
Visibility	9 miles
Events

T = Trace of Precipitation, MM = Missing Value

Source: NWS Daily Summary

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Astronomy

May. 21, 2013	Rise	Set
Actual Time	6:26 AM CDT	8:05 PM CDT
Civil Twilight	5:55 AM CDT	8:35 PM CDT
Nautical Twilight	5:19 AM CDT	9:12 PM CDT
Astronomical Twilight	4:39 AM CDT	9:51 PM CDT
Moon	11:06 AM CDT	9:55 PM CDT
Length Of Visible Light	14h 39m
Length of Day	13h 39m

Waxing Crescent, 19% of the Moon is Illuminated
Aug 21 Waxing Crescent	Aug 24 First Quarter	Aug 31 Full	Sep 8 Last Quarter	Sep 15 New

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Hourly Observations

Time (CDT)	Temp.	Dew Point	Humidity	Pressure	Visibility	Wind Dir	Wind Speed	Gust Speed	Precip	Conditions
12:53 AM	48.0 °F	43.0 °F	83%	30.06 in	10.0 mi	Calm	Calm	-	N/A	Clear
1:53 AM	46.9 °F	43.0 °F	86%	30.06 in	10.0 mi	Calm	Calm	-	N/A	Clear
2:53 AM	45.0 °F	42.1 °F	90%	30.06 in	10.0 mi	Calm	Calm	-	N/A	Clear
3:53 AM	45.0 °F	41.0 °F	86%	30.07 in	10.0 mi	Calm	Calm	-	N/A	Clear
4:53 AM	43.0 °F	39.9 °F	89%	30.06 in	10.0 mi	Calm	Calm	-	N/A	Clear
5:53 AM	43.0 °F	39.9 °F	89%	30.07 in	9.0 mi	Calm	Calm	-	N/A	Clear
6:34 AM	42.8 °F	39.2 °F	87%	30.10 in	0.8 mi	Calm	Calm	-	N/A	Clear
6:42 AM	42.8 °F	41.0 °F	93%	30.10 in	2.5 mi	Calm	Calm	-	N/A	Clear
6:49 AM	42.8 °F	39.2 °F	87%	30.10 in	9.0 mi	Calm	Calm	-	N/A	Clear
6:53 AM	43.0 °F	39.9 °F	89%	30.09 in	10.0 mi	Calm	Calm	-	N/A	Clear
7:53 AM	54.0 °F	48.0 °F	80%	30.10 in	5.0 mi	Calm	Calm	-	N/A	Haze
8:53 AM	63.0 °F	46.9 °F	56%	30.10 in	10.0 mi	Calm	Calm	-	N/A	Clear
9:53 AM	70.0 °F	45.0 °F	41%	30.09 in	10.0 mi	SE	5.8 mph	-	N/A	Clear
10:53 AM	73.0 °F	41.0 °F	31%	30.10 in	10.0 mi	South	6.9 mph	-	N/A	Clear
11:53 AM	75.9 °F	42.1 °F	30%	30.09 in	10.0 mi	Variable	6.9 mph	-	N/A	Clear
12:53 PM	77.0 °F	43.0 °F	30%	30.09 in	10.0 mi	SE	4.6 mph	-	N/A	Clear
1:53 PM	80.1 °F	43.0 °F	27%	30.07 in	10.0 mi	South	8.1 mph	-	N/A	Clear
2:53 PM	79.0 °F	43.0 °F	28%	30.06 in	10.0 mi	Variable	5.8 mph	-	N/A	Clear
3:53 PM	79.0 °F	43.0 °F	28%	30.05 in	10.0 mi	Variable	3.5 mph	-	N/A	Clear
4:53 PM	80.1 °F	43.0 °F	27%	30.05 in	10.0 mi	Variable	5.8 mph	-	N/A	Clear
5:53 PM	80.1 °F	45.0 °F	29%	30.04 in	10.0 mi	South	6.9 mph	-	N/A	Clear
6:53 PM	78.1 °F	46.9 °F	33%	30.03 in	10.0 mi	South	8.1 mph	-	N/A	Clear
7:53 PM	72.0 °F	48.9 °F	44%	30.02 in	10.0 mi	SSE	6.9 mph	-	N/A	Clear
8:53 PM	62.1 °F	51.1 °F	67%	30.04 in	6.0 mi	South	4.6 mph	-	N/A	Haze
9:53 PM	57.0 °F	51.1 °F	81%	30.04 in	9.0 mi	South	5.8 mph	-	N/A	Clear
10:53 PM	55.9 °F	48.9 °F	77%	30.03 in	10.0 mi	South	6.9 mph	-	N/A	Clear
11:53 PM	55.0 °F	48.9 °F	80%	30.02 in	10.0 mi	South	5.8 mph	-	N/A	Clear
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