Round Rock

30° 32' 55"N, 97° 37' 34"W, Elevation 709 ft.

Saturday, December 10, 2011
7:52:00 AM (Central)

344th day of the year

Updated and refreshed every 1 minutes.

Weather computer in use: Davis Vantage Pro

  Current Today's Highs and Lows
Temperature 44.1°F (6.7°C) 60.1° 12:00 AM
44.1° 3:42 AM
Dew Point 40.8°F (4.9°C) 50.7° 12:00 AM
40.8° 3:42 AM
Humidity 88% 88% 3:23 AM
71% 12:00 AM
Wind Gust NNE 1 mph NE 6 3:33 AM
ENE 0 12:00 AM
Wind Speed NNE 1 mph
Light air (1)		 N 3 3:28 AM
ENE 0 12:00 AM
Precipitation 0.00" (0.00 mm) 1
Last 24 hours 0.00"
Instantaneous rate 0.00"/hr
Storm total 0.00"		 0.00"2 12:00 AM
0.00"2 12:00 AM
Evapotranspiration 0.000"  
Barometer 30.399" (1029.5 mb)
Steady		 30.399" 3:23 AM
30.200" 12:00 AM
Wind Chill Gust 44°F (7°C) 60° 12:00 AM
41° 3:44 AM
Wind Chill Avg 44°F (7°C) 60° 12:00 AM
44° 3:33 AM
Heat Index 44°F (6.7°C) 60° 12:00 AM
44° 3:23 AM
Sunshine 0 W/m2 141 12:00 AM
0 3:23 AM
UV Index  0.0 0.0 12:00 AM
0.0 12:00 AM
1. Daily total rainfall.
2. Maximum and minimum rainfall are the instantaneous rainfall rates.

METAR

METAR RRTX 101352Z AUTO 03001KT 07/05 A3040 RMK AO1 SLP295 T00670049 

Alarms

None. 

Battery

Transmitters All OK
Console 4.71V

Number of Days

For December For 2011
Rain: 0
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 0
Low ≤ 32°F: 0
High ≤ 32°F: 0
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 0 		Rain: 0
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 0
Low ≤ 32°F: 3
High ≤ 32°F: 3
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 0
Date of last rainfall: n/a (n/a days)

Observed Conditions

Precipitation types none
Snowfall today 0.0 inches
Snow on the ground 0 inches
Snowfall this season 0.0 inches

Observer Notes for Today

None. 

Degree Days

  Today Month Season
Heating - Base 65°F 13 49 49
Cooling - Base 65°F 0 0 0

Wind Run

Today 4.6 miles
This month 14.4 miles
This year 3323.5 miles

Sun, Moon

Twilight begins 7:04 AM
Sunrise 7:18 AM
Sunset 5:27 PM
Twilight ends 5:41 PM
Moonrise 5:47 PM
Moonset 7:17 AM

Sunshine Minutes

Sunshine intensity ≥ 120 W/m2

Today 204
This Month 1,461
This Year 204
Yesterday 839
One Year Ago 455

Other Calculated Parameters

Wet Bulb 42.6°F
Temperature-Humidity Index 42.1°F
Equilibrium Moisture Content 15.66 %
Mixing Ratio 5.38 g/kg
Saturated Mixing Ratio 6.12 g/kg
Air Density 1.282 kg/m3
Density Altitude -684 ft
Estimated Potential Cloud Base 748 ft

Averages

  Last 5 minutes Current Hour Current Day
Temperature °F 44.1 44.1 50.9
Dew Point °F 40.8 40.8 45.0
Humidity 88 88.0 80.8
Wind Speed (mph) 34° 1.0 34° 1.0 32° 0.6
Precipitation (inches) 0.00 0.00 0.00
Barometer (inches Hg.) 30.399 30.399 30.314
Wind Chill °F 44.1 44.1 50.9
Heat Index °F 44.0 44.0 50.8
Sunshine 0.0 0.0 60.1
UV Index 0.00 0.00 0.00

Yesterday

December 9, 2011

  Maximum
Minimum		 Mean/Total
Temperature 60.2°F 3:25 PM
37.5°F 2:17 AM		 48.8°
Dew Point 52.1°F 12:34 PM
35.4°F 2:17 AM		 46.7°
Humidity 100% 3:48 AM
69% 2:11 PM		 85.2°
Wind Gust WSW 5 mph 9:31 AM
WSW 0 mph 12:00 AM		 0.1 268°
Wind Speed WSW 3 mph 10:43 AM
WSW 0 mph 12:00 AM		  
Barometer 30.262" 10:35 AM
30.112" 4:03 AM		 30.186
Wind Chill Gust 60°F 3:25 PM
38°F 2:17 AM		 51.4°
Wind Chill Avg 60°F 3:25 PM
38°F 2:17 AM		  
Heat Index 60°F 2:27 PM
37°F 1:52 AM		 51.0°
Sunshine 740 W/m2 12:42 PM
0 W/m2 12:00 AM		 128.2
UV Index 3.3 12:42 PM
0.0 12:00 AM		 0.41°
Degree Days Heating (Base 65°F): 16
Cooling (Base 65°F): 0
Precipitation   0.00"
Evapotranspiration   0.056"
Precipitation Types none
Snowfall 0.0"
Snowcover 0"
Observer Notes None. 

One Year Ago

December 10, 2010

  Maximum
Minimum		 Mean/Total
Temperature 73.2°F 2:19 PM
43.1°F 7:38 AM		 58.1°
Dew Point 54.2°F 9:17 AM
43.1°F 7:38 AM		 48.9°
Humidity 100% 6:39 AM
42% 2:55 PM		 73.1°
Wind Gust W 16 mph 10:23 AM
SSW 0 mph 12:00 AM		 1.0 224°
Wind Speed SW 7 mph 11:31 AM
SSW 0 mph 12:22 AM		  
Barometer 30.031" 9:30 AM
29.819" 11:57 PM		 29.930
Wind Chill Gust 73°F 2:19 PM
43°F 7:38 AM		 58.6°
Wind Chill Avg 73°F 2:19 PM
43°F 7:38 AM		  
Heat Index 71°F 2:17 PM
43°F 7:16 AM		 57.9°
Sunshine 626 W/m2 11:31 AM
0 W/m2 12:00 AM		 131.7
UV Index 3.1 W/m2 12:24 PM
0.0 W/m2 12:00 AM		 0.57
Degree Days Heating (Base 65°F): 7
Cooling (Base 65°F): 0
Precipitation   0.00"
Precipitation Types none
Snowfall 0.0"
Snowcover 0"
Observer Notes None. 

Monthly and Yearly Statistics

  Monthly
Maximum, Minimum, Mean/Total		 Yearly
Maximum, Minimum, Mean/Total
Temperature °F 60.2° on Dec 9 3:25 PM
33.4° on Dec 8 7:42 AM
Mean 48.7°		 91.4° on May 21 4:25 PM
25.7° on Jan 12 4:29 AM
Mean 14.9°
Dew Point °F 52.1° on Dec 9 12:34 PM
25.7° on Dec 8 1:57 PM
Mean 39.9°		 72.4° on May 21 4:25 PM
18.9° on Jan 12 4:29 AM
Mean 33.7°
Humidity 100% on Dec 9 3:48 AM
31% on Dec 8 1:56 PM
Mean 73.9%		 100% on Dec 9 3:48 AM
27% on Feb 28 6:52 AM
Mean 50.8%
Wind Gust (mph) SSE 9 on Dec 8 3:47 PM
ENE 0 on Dec 8 7:42 AM
Mean 225° 0.2		 SSE 9 on Dec 8 3:47 PM
NNW 0 on Jan 1 12:13 AM
Mean 339° 0.7
Wind Speed SSW 3 on Dec 8 4:17 PM
N 0 on Dec 8 7:42 AM		 NNE 3 on Jan 12 5:00 AM
N 0 on Jan 1 12:13 AM
Barometer 30.399" on Dec 10 3:23 AM
30.110" on Dec 8 3:53 PM
Mean 30.185"		 30.678" on Jan 12 4:29 AM
29.716" on May 21 4:25 PM
Mean 25.841"
Precipitation Total 0.00" Total 0.00"
Evapotranspiration Total 0.112" Total 0.135"
Wind Chill Gust °F 33° on Dec 8 7:42 AM 22° on Jan 12 4:31 AM
Wind Chill Average °F 33° on Dec 8 7:42 AM
Mean 48.8°		 26° on Jan 12 4:29 AM
Mean 47.4°
Heat Index °F 60° on Dec 9 2:27 PM
Mean 48.4°		 99° on May 21 4:25 PM
Mean 47.6°
Sunshine 807 W/m2 on Dec 8 12:31 PM
0 W/m2 on Dec 8 5:29 PM
Mean 143.3 W/m2		 807 W/m2 on Dec 8 12:31 PM
0 W/m2 on Jan 1 12:13 AM
Mean 110.4 W/m2
UV Index 3.7 on Dec 8 12:29 PM
0.0 on Dec 8 7:42 AM
Mean 0.59		 3.7 on Dec 8 12:29 PM
0.0 on Jan 1 12:13 AM
Mean 0.57
Extremes are the first of multiple occurrences.

All-Time Records

  Maximum, Minimum
Temperature °F 106.8° on Jul 8, 2009 3:55 PM
12.1° on Jan 9, 2010 6:10 AM
Dew Point °F 82.6° on Jul 22, 2010 2:02 PM
2.1° on Jan 8, 2010 5:07 PM
Humidity 100% on Oct 25, 2006 2:49 PM
7% on Feb 24, 2007 5:07 PM
Wind Gust (mph) NW 37 on Dec 24, 2009 2:35 PM
N 0 on Sep 24, 2006 11:58 AM
Wind Speed WNW 23 on Feb 10, 2009 9:42 PM
N 0 on Sep 24, 2006 11:58 AM
Barometer 30.965" on Jan 2, 2008 9:54 AM
29.392" on May 22, 2008 6:23 PM
Precipitation Max rate: 14.77"/hr on Oct 10, 2006 8:11 AM
Evapotranspiration Max day: 1.902" on Jun 1, 2008 10:35 AM
Wind Chill Gust °F 11° on Jan 8, 2010 5:59 AM
Wind Chill Average °F 11° on Jan 9, 2010 6:10 AM
Heat Index °F 116° on Aug 11, 2010 12:10 PM
Sunshine 1475 W/m2 on Jun 17, 2007 1:29 PM
0 W/m2 on Sep 24, 2006 7:32 PM
UV Index 15.0 on Jun 6, 2008 1:24 PM
0.0 on Sep 24, 2006 11:58 AM
Records begin 9/24/2006.
Extremes are the first of multiple occurrences.

 

Data generated by WxSolution Version 1.8.5.7, Build 2011.03.06.