Round Rock

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

Thursday, July 29, 2010
11:07:00 AM (Central)

210th day of the year

Updated and refreshed every 1 minutes.

Weather computer in use: Davis Vantage Pro

  Current Today's Highs and Lows
Temperature 86.3°F (30.2°C) ↑ 86.3° 10:40 AM
74.4° 2:15 AM
Dew Point 74.9°F (23.9°C) ↓ 79.8° 8:40 AM
73.5° 10:54 AM
Humidity 69% ↓ 100% 12:03 AM
67% 10:42 AM
Wind Gust SW 4 mph SSW 7 10:01 AM
SW 0 12:00 AM
Wind Speed SW 0 mph ↑
Calm (0)		 SSW 2 10:03 AM
SW 0 12:01 AM
Precipitation 0.00" (0.00 mm) 1
Last 24 hours 0.68"
Instantaneous rate 0.00"/hr
Storm total 0.89"		 0.00"2 12:00 AM
0.00"2 12:00 AM
Evapotranspiration 0.032"  
Barometer 30.143" (1020.8 mb)
Falling		 30.156" 8:48 AM
30.094" 12:00 AM
Wind Chill Gust 86.3°F (30.2°C) 86.3° 10:40 AM
74.4° 2:15 AM
Wind Chill Avg 86.3°F (30.2°C) 86.3° 10:40 AM
74.4° 2:15 AM
Heat Index 94°F (34.4°C) 96° 10:23 AM
78° 1:16 AM
Sunshine 650 W/m2 ↑ 814 10:53 AM
0 12:00 AM
UV Index  6.4 6.4 11:03 AM
0.0 12:00 AM
1. Daily total rainfall.
2. Maximum and minimum rainfall are the instantaneous rainfall rates.

METAR

METAR RRTX 291607Z AUTO 24000KT 30/24 A3014 RMK AO1 SLP208 T03020239 

Alarms

None. 

Battery

Transmitters All OK
Console 4.70V

Number of Days

For July For 2010
Rain: 9
Snow: 0
Heavy Fog: 0
Thunder: 6
High ≥ 90°F: 24
Low ≤ 32°F: 0
High ≤ 32°F: 0
Low ≤ 0°F: 0
Cloudy: 9
Partly Cloudy: 9
Clear: 10 		Rain: 64
Snow: 0
Heavy Fog: 4
Thunder: 32
High ≥ 90°F: 72
Low ≤ 32°F: 20
High ≤ 32°F: 0
Low ≤ 0°F: 0
Cloudy: 67
Partly Cloudy: 33
Clear: 108
Date of last rainfall: July 28, 2010 (1 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 0 0 0
Cooling - Base 65°F 15 581 1734

Wind Run

Today 1.2 miles
This month 332.5 miles
This year 5407.9 miles

Sun, Moon

Twilight begins 6:33 AM
Sunrise 6:48 AM
Sunset 8:25 PM
Twilight ends 8:39 PM
Moonrise 10:19 PM
Moonset 9:56 AM

Sunshine Minutes

Sunshine intensity ≥ 120 W/m2

Today 200
This Month 18,729
This Year 200
Yesterday 578
One Year Ago 673

Other Calculated Parameters

Wet Bulb 78.0°F
Temperature-Humidity Index 84.4°F
Equilibrium Moisture Content 12.00 %
Mixing Ratio 18.94 g/kg
Saturated Mixing Ratio 27.78 g/kg
Air Density 1.173 kg/m3
Density Altitude 2609 ft
Estimated Potential Cloud Base 2556 ft

Averages

  Last 5 minutes Current Hour Current Day
Temperature °F 86.0 86.0 77.2
Dew Point °F 74.2 74.1 75.6
Humidity 68 67.8 95.5
Wind Speed (mph) 231° 0.6 224° 0.6 218° 0.1
Precipitation (inches) 0.00 0.00 0.00
Barometer (inches Hg.) 30.144 30.144 30.123
Wind Chill °F 86.0 86.0 77.2
Heat Index °F 92.4 92.1 82.5
Sunshine 656.3 689.2 114.9
UV Index 5.99 6.03 0.70

Yesterday

July 28, 2010

  Maximum
Minimum		 Mean/Total
Temperature 83.2°F 4:14 PM
76.0°F 5:57 AM		 79.6°
Dew Point 81.2°F 10:55 AM
72.1°F 7:30 PM		 75.3°
Humidity 100% 1:43 AM
75% 4:19 PM		 90.8°
Wind Gust SW 12 mph 5:08 PM
ESE 0 mph 12:00 AM		 0.3 216°
Wind Speed SSW 5 mph 4:22 PM
ESE 0 mph 12:00 AM		  
Barometer 30.108" 11:20 PM
29.973" 3:43 AM		 30.048
Wind Chill Gust 83.2°F 4:14 PM
76.0°F 5:57 AM		 78.4°
Wind Chill Avg 83.2°F 4:14 PM
76.0°F 5:57 AM		  
Heat Index 94°F 9:32 AM
79°F 10:27 PM		 84.0°
Sunshine 898 W/m2 4:02 PM
0 W/m2 12:00 AM		 110.9
UV Index 10.2 11:57 AM
0.0 12:00 AM		 1.01°
Degree Days Heating (Base 65°F): 0
Cooling (Base 65°F): 15
Precipitation   0.89"
Evapotranspiration   0.154"
Precipitation Types none
Snowfall 0.0"
Snowcover 0"
Observer Notes None. 

One Year Ago

July 29, 2009

  Maximum
Minimum		 Mean/Total
Temperature 97.8°F 3:07 PM
79.9°F 6:52 AM		 88.9°
Dew Point 73.6°F 3:51 AM
64.2°F 7:50 PM		 70.8°
Humidity 79% 3:51 AM
37% 5:41 PM		 60.6°
Wind Gust W 15 mph 9:02 AM
SW 0 mph 12:00 AM		 1.6 226°
Wind Speed SSW 6 mph 9:08 AM
N 0 mph 3:21 AM		  
Barometer 29.878" 10:14 AM
29.723" 6:48 PM		 29.797
Wind Chill Gust 97.8°F 3:07 PM
79.9°F 6:52 AM		 87.0°
Wind Chill Avg 97.8°F 3:07 PM
79.9°F 6:52 AM		  
Heat Index 106°F 3:02 PM
84°F 6:52 AM		 92.4°
Sunshine 1051 W/m2 2:47 PM
0 W/m2 12:00 AM		 172.1
UV Index 10.1 W/m2 1:50 PM
0.0 W/m2 12:00 AM		 1.47
Degree Days Heating (Base 65°F): 0
Cooling (Base 65°F): 24
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 99.4° on Jul 17 3:29 PM
72.3° on Jul 27 3:31 AM
Mean 84.9°		 99.4° on Jul 17 3:29 PM
12.1° on Jan 9 6:10 AM
Mean 66.9°
Dew Point °F 82.6° on Jul 22 2:02 PM
61.3° on Jul 16 5:52 PM
Mean 73.9°		 82.6° on Jul 22 2:02 PM
2.1° on Jan 8 5:07 PM
Mean 54.8°
Humidity 100% on Jul 1 5:49 AM
32% on Jul 16 5:24 PM
Mean 75.3%		 100% on Jan 7 2:24 AM
14% on Mar 22 5:05 PM
Mean 70.8%
Wind Gust (mph) SE 17 on Jul 8 3:18 PM
E 0 on Jul 1 12:00 AM
Mean 176° 0.5		 NNW 29 on Mar 20 1:19 PM
ENE 0 on Jan 1 12:00 AM
Mean 295° 1.1
Wind Speed E 10 on Jul 8 3:20 PM
E 0 on Jul 1 2:20 AM		 NW 19 on Mar 21 11:42 AM
ENE 0 on Jan 1 2:00 PM
Barometer 30.156" on Jul 29 8:48 AM
29.729" on Jul 12 7:27 PM
Mean 29.925"		 30.706" on Jan 10 10:00 AM
29.397" on Apr 30 4:47 PM
Mean 29.962"
Precipitation Total 3.67" Total 20.81"
Evapotranspiration Total 4.726" Total 27.007"
Wind Chill Gust °F 72.3° on Jul 27 3:31 AM 10.6° on Jan 8 5:59 AM
Wind Chill Average °F 72.3° on Jul 27 3:31 AM
Mean 83.6°		 12.1° on Jan 9 6:10 AM
Mean 65.9°
Heat Index °F 113° on Jul 19 3:04 PM
Mean 90.1°		 113° on Jul 19 3:04 PM
Mean 67.6°
Sunshine 1371 W/m2 on Jul 10 2:21 PM
0 W/m2 on Jul 1 12:00 AM
Mean 244.4 W/m2		 1371 W/m2 on Jul 10 2:21 PM
0 W/m2 on Jan 1 12:00 AM
Mean 194.3 W/m2
UV Index 14.3 on Jul 2 2:00 PM
0.0 on Jul 1 12:00 AM
Mean 2.21		 14.3 on Jul 2 2:00 PM
0.0 on Jan 1 12:00 AM
Mean 1.47
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 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.