Weather History for Alturas, CA

Tuesday, August 21, 2012 — View Current Weather Conditions

Tuesday, August 21, 2012

	Actual	Average	Record
Temperature
Mean Temperature	65 °F	64 °F
Max Temperature	87 °F	85 °F	102 °F (1967)
Min Temperature	43 °F	42 °F	31 °F (1918)
Degree Days
Heating Degree Days	0	3
Month to date heating degree days	0	33
Since 1 June heating degree days	251	254
Since 1 July heating degree days	12	74
Cooling Degree Days	0	1
Month to date cooling degree days	115	46
Year to date cooling degree days	216	141
Since 1 June cooling degree days	215	141
Growing Degree Days	16 (Base 50)
Moisture
Dew Point	33 °F
Average Humidity	41
Maximum Humidity	70
Minimum Humidity	11
Precipitation
Precipitation	0.00 in	0.02 in	0.47 in (1965)
Month to date precipitation	0.06	0.24
Year to date precipitation	5.96	9.02
Sea Level Pressure
Sea Level Pressure	29.91 in
Wind
Wind Speed	5 mph (WSW)
Max Wind Speed	23 mph
Max Gust Speed	30 mph
Visibility	7 miles
Events

T = Trace of Precipitation, MM = Missing Value

Source: NWS Daily Summary

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Astronomy

Aug. 21, 2012	Rise	Set
Actual Time	6:17 AM PDT	7:51 PM PDT
Civil Twilight	5:48 AM PDT	8:21 PM PDT
Nautical Twilight	5:13 AM PDT	8:56 PM PDT
Astronomical Twilight	4:35 AM PDT	9:33 PM PDT
Moon	10:58 AM PDT (8/21)	9:50 PM PDT (8/21)
Length Of Visible Light	14h 32m
Length of Day	13h 34m

Waxing Crescent, 20% 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 Weather History & Observations

Time (PDT)	Temp.	Dew Point	Humidity	Pressure	Visibility	Wind Dir	Wind Speed	Gust Speed	Precip	Conditions
12:55 AM	54.0 °F	37.0 °F	53%	29.91 in	7.0 mi	Calm	Calm	-	N/A	Clear
1:55 AM	53.1 °F	35.1 °F	50%	29.90 in	7.0 mi	Calm	Calm	-	N/A	Clear
2:55 AM	51.1 °F	37.0 °F	59%	29.90 in	7.0 mi	South	4.6 mph	-	N/A	Clear
3:55 AM	51.1 °F	37.0 °F	59%	29.90 in	7.0 mi	Calm	Calm	-	N/A	Partly Cloudy
4:55 AM	46.9 °F	34.0 °F	61%	29.91 in	7.0 mi	Calm	Calm	-	N/A	Scattered Clouds
5:55 AM	45.0 °F	35.1 °F	68%	29.92 in	7.0 mi	Calm	Calm	-	N/A	Clear
6:55 AM	45.0 °F	35.1 °F	68%	29.94 in	5.0 mi	Calm	Calm	-	N/A	Haze
7:55 AM	55.0 °F	37.0 °F	51%	29.94 in	5.0 mi	Calm	Calm	-	N/A	Haze
8:55 AM	64.0 °F	37.9 °F	38%	29.93 in	6.0 mi	Calm	Calm	-	N/A	Haze
9:55 AM	72.0 °F	37.9 °F	29%	29.93 in	8.0 mi	Calm	Calm	-	N/A	Clear
10:55 AM	79.0 °F	39.0 °F	24%	29.91 in	7.0 mi	Calm	Calm	-	N/A	Clear
11:55 AM	81.0 °F	39.0 °F	22%	29.91 in	8.0 mi	Calm	Calm	-	N/A	Clear
12:55 PM	84.0 °F	37.9 °F	19%	29.90 in	8.0 mi	West	10.4 mph	17.3 mph	N/A	Clear
1:55 PM	86.0 °F	35.1 °F	16%	29.88 in	9.0 mi	West	12.7 mph	20.7 mph	N/A	Partly Cloudy
2:55 PM	86.0 °F	30.9 °F	14%	29.88 in	10.0 mi	West	11.5 mph	20.7 mph	N/A	Clear
3:55 PM	87.1 °F	26.1 °F	11%	29.86 in	10.0 mi	West	15.0 mph	24.2 mph	N/A	Clear
4:55 PM	87.1 °F	27.0 °F	11%	29.87 in	10.0 mi	West	16.1 mph	23.0 mph	N/A	Clear
5:55 PM	84.0 °F	24.1 °F	11%	29.87 in	10.0 mi	West	16.1 mph	-	N/A	Clear
6:55 PM	81.0 °F	24.1 °F	12%	29.88 in	10.0 mi	West	12.7 mph	-	N/A	Clear
7:55 PM	73.9 °F	26.1 °F	17%	29.88 in	4.0 mi	West	8.1 mph	-	N/A	Haze
8:55 PM	66.9 °F	28.9 °F	24%	29.90 in	5.0 mi	SSE	5.8 mph	-	N/A	Haze
9:31 PM	66.2 °F	30.2 °F	26%	30.04 in	5.0 mi	South	5.8 mph	-	N/A	Haze
9:40 PM	66.2 °F	30.2 °F	26%	30.04 in	5.0 mi	South	6.9 mph	-	N/A	Haze
9:55 PM	64.9 °F	28.9 °F	26%	29.92 in	6.0 mi	SW	8.1 mph	-	N/A	Haze
10:55 PM	62.1 °F	35.1 °F	37%	29.92 in	5.0 mi	Calm	Calm	-	N/A	Haze
11:55 PM	60.1 °F	39.0 °F	46%	29.94 in	8.0 mi	Calm	Calm	-	N/A	Clear
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