Round Rock

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

Wednesday, March 10, 2010
3:49:00 AM (Central)

69th day of the year

Updated and refreshed every 1 minutes.

Weather computer in use: Davis Vantage Pro

  Current Today's Highs and Lows
Temperature 60.5°F (15.8°C) ↑ 60.7° 3:28 AM
55.4° 1:47 AM
Dew Point 59.4°F (15.2°C) ↑ 59.6° 3:30 AM
48.8° 12:01 AM
Humidity 96% ↑ 96% 3:30 AM
76% 12:00 AM
Wind Gust SW 6 mph SSW 12 3:26 AM
WSW 0 12:00 AM
Wind Speed SW 1 mph ↑
Light air (1)		 SW 5 3:25 AM
WSW 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 0.001"  
Barometer 29.572" (1001.5 mb)
Rising		 29.617" 12:00 AM
29.558" 2:49 AM
Wind Chill Gust 60.5°F (15.8°C) 60.7° 3:28 AM
55.4° 1:47 AM
Wind Chill Avg 60.5°F (15.8°C) 60.7° 3:28 AM
55.4° 1:47 AM
Heat Index 60°F (15.6°C) 60° 2:54 AM
55° 1:38 AM
Sunshine 0 W/m2 0 12:00 AM
0 12:00 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 100949Z AUTO 23001KT 16/15 A2957 RMK AO1 SLP015 T01580152 

Alarms

None. 

Battery

Transmitters All OK
Console 4.71V

Number of Days

For March For 2010
Rain: 4
Snow: 0
Heavy Fog: 0
Thunder: 3
High ≥ 90°F: 0
Low ≤ 32°F: 0
High ≤ 32°F: 0
Low ≤ 0°F: 0
Cloudy: 4
Partly Cloudy: 1
Clear: 4 		Rain: 30
Snow: 0
Heavy Fog: 3
Thunder: 6
High ≥ 90°F: 0
Low ≤ 32°F: 20
High ≤ 32°F: 0
Low ≤ 0°F: 0
Cloudy: 29
Partly Cloudy: 4
Clear: 35
Date of last rainfall: March 9, 2010 (1 days)

Observed Conditions

Precipitation types none
Snowfall today 0.0 inches
Snow on the ground 0 inches
Snowfall this season 0.4 inches

Observer Notes for Today

None. 

Degree Days

  Today Month Season
Heating - Base 65°F 7 81 2009
Cooling - Base 65°F 0 1 3

Wind Run

Today 2.3 miles
This month 234.3 miles
This year 2140.8 miles

Sun, Moon

Twilight begins 6:36 AM
Sunrise 6:48 AM
Sunset 6:33 PM
Twilight ends 6:45 PM
Moonrise 3:42 AM
Moonset 2:14 PM

Sunshine Minutes

Sunshine intensity ≥ 120 W/m2

Today 0
This Month 3,805
This Year 23,204
Yesterday 547
One Year Ago 515

Other Calculated Parameters

Wet Bulb 59.8°F
Temperature-Humidity Index 59.7°F
Equilibrium Moisture Content 16.70 %
Mixing Ratio 11.14 g/kg
Saturated Mixing Ratio 11.62 g/kg
Air Density 1.207 kg/m3
Density Altitude 1484 ft
Estimated Potential Cloud Base 258 ft

Averages

  Last 5 minutes Current Hour Current Day
Temperature °F 60.5 60.4 57.6
Dew Point °F 59.4 59.0 53.8
Humidity 96 95.1 87.1
Wind Speed (mph) 226° 0.6 223° 1.7 223° 0.6
Precipitation (inches) 0.00 0.00 0.00
Barometer (inches Hg.) 29.570 29.560 29.582
Wind Chill °F 60.5 60.4 57.6
Heat Index °F 60.0 60.0 57.1
Sunshine 0.0 0.0 0.0
UV Index 0.00 0.00 0.00

Yesterday

March 9, 2010

  Maximum
Minimum		 Mean/Total
Temperature 81.1°F 2:59 PM
49.6°F 6:08 AM		 65.3°
Dew Point 63.3°F 12:00 AM
36.3°F 2:27 PM		 47.0°
Humidity 99% 8:16 AM
21% 2:27 PM		 60.4°
Wind Gust W 25 mph 12:42 AM
SW 0 mph 12:00 AM		 1.2 242°
Wind Speed W 15 mph 12:43 AM
SW 0 mph 2:25 AM		  
Barometer 29.803" 9:12 AM
29.617" 11:58 PM		 29.713
Wind Chill Gust 81.1°F 2:59 PM
49.6°F 6:08 AM		 64.9°
Wind Chill Avg 81.1°F 2:59 PM
49.6°F 6:08 AM		  
Heat Index 78°F 2:59 PM
49°F 5:52 AM		 63.4°
Sunshine 896 W/m2 12:42 PM
0 W/m2 12:00 AM		 246.6
UV Index 7.9 12:23 PM
0.0 12:00 AM		 1.70°
Degree Days Heating (Base 65°F): 0
Cooling (Base 65°F): 1
Precipitation   0.46"
Evapotranspiration   0.167"
Precipitation Types Thunder Hail
Snowfall 0.0"
Snowcover 0"
Observer Notes None. 

One Year Ago

March 10, 2009

  Maximum
Minimum		 Mean/Total
Temperature 84.0°F 4:55 PM
66.9°F 12:37 AM		 75.4°
Dew Point 66.3°F 9:29 AM
55.3°F 9:02 PM		 61.1°
Humidity 90% 4:39 AM
39% 4:47 PM		 67.0°
Wind Gust S 13 mph 7:15 AM
S 0 mph 12:00 AM		 1.4 233°
Wind Speed SSW 5 mph 11:12 AM
SW 0 mph 9:19 AM		  
Barometer 29.966" 11:36 PM
29.836" 4:42 AM		 29.900
Wind Chill Gust 84.0°F 4:55 PM
66.9°F 12:37 AM		 73.9°
Wind Chill Avg 84.0°F 4:55 PM
66.9°F 12:37 AM		  
Heat Index 91°F 2:53 PM
76°F 12:37 AM		 82.6°
Sunshine 993 W/m2 1:46 PM
0 W/m2 12:00 AM		 102.6
UV Index 9.2 W/m2 1:46 PM
0.0 W/m2 12:00 AM		 0.98
Degree Days Heating (Base 65°F): 0
Cooling (Base 65°F): 11
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 81.1° on Mar 9 2:59 PM
35.0° on Mar 2 7:01 AM
Mean 56.6°		 81.1° on Mar 9 2:59 PM
12.1° on Jan 9 6:10 AM
Mean 50.0°
Dew Point °F 65.6° on Mar 8 5:32 PM
30.3° on Mar 2 6:44 AM
Mean 46.5°		 67.3° on Jan 20 12:03 PM
2.1° on Jan 8 5:07 PM
Mean 39.8°
Humidity 100% on Mar 1 7:58 AM
21% on Mar 9 2:27 PM
Mean 74.3%		 100% on Jan 7 2:24 AM
15% on Jan 21 2:24 PM
Mean 73.3%
Wind Gust (mph) W 25 on Mar 9 12:42 AM
ENE 0 on Mar 1 12:00 AM
Mean 290° 1.1		 NW 27 on Jan 23 2:36 PM
ENE 0 on Jan 1 12:00 AM
Mean 332° 1.3
Wind Speed W 15 on Mar 9 12:43 AM
NW 0 on Mar 1 3:00 AM		 W 17 on Jan 29 12:16 AM
ENE 0 on Jan 1 2:00 PM
Barometer 30.234" on Mar 6 10:20 AM
29.558" on Mar 10 2:49 AM
Mean 30.013"		 30.706" on Jan 10 10:00 AM
29.501" on Jan 20 3:15 PM
Mean 30.071"
Precipitation Total 1.36" Total 7.42"
Evapotranspiration Total 0.793" Total 4.735"
Wind Chill Gust °F 27.2° on Mar 2 6:49 AM 10.6° on Jan 8 5:59 AM
Wind Chill Average °F 30.5° on Mar 2 6:50 AM
Mean 55.8°		 12.1° on Jan 9 6:10 AM
Mean 49.1°
Heat Index °F 78° on Mar 9 2:59 PM
Mean 55.3°		 78° on Mar 9 2:59 PM
Mean 48.8°
Sunshine 1195 W/m2 on Mar 1 12:43 PM
0 W/m2 on Mar 1 12:00 AM
Mean 145.4 W/m2		 1195 W/m2 on Mar 1 12:43 PM
0 W/m2 on Jan 1 12:00 AM
Mean 128.0 W/m2
UV Index 7.9 on Mar 9 12:23 PM
0.0 on Mar 1 12:00 AM
Mean 0.97		 7.9 on Mar 9 12:23 PM
0.0 on Jan 1 12:00 AM
Mean 0.75
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 81.1° on Jul 3, 2007 11:45 AM
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 10.6° on Jan 8, 2010 5:59 AM
Wind Chill Average °F 10.6° on Jan 9, 2010 6:10 AM
Heat Index °F 113° on Jul 8, 2009 1:02 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 1.8.5.2, Build 2010.02.02.