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

Friday, September 5, 2008
7:23:00 PM (Central)

249th day of the year

Updated and refreshed every 1 minutes.

Weather computer in use: Davis Vantage Pro

1 Daily total rainfall.
2 Maximum and minimum rainfall are the instantaneous rainfall rates.

  Current Today's Highs and Lows
Temperature 88.6°F (31.4°C) ↓ 93.6° 3:45 PM
67.3° 7:46 AM
Dew Point 59.0°F (15.0°C) ↓ 69.4° 12:11 PM
57.7° 4:27 PM
Humidity 37% ↑ 87% 8:01 AM
31% 4:27 PM
Wind Gust E 3 mph W 13 2:20 PM
NE 0 12:00 AM
Max Gust Past Hour E 4 mph  
   
Wind Speed E 0 mph ↑
Calm (0)		 ENE 5 2:22 PM
NE 0 12:01 AM
Precipitation 0.00" (0.00 mm) 1
Last 24 hours 0.00"		 0.00"2 12:00 AM
0.00"2 12:00 AM
Evapotranspiration  0.182"  
Barometer 29.838" (1010.5 mb)
Rising		 29.922" 10:59 AM
29.824" 4:59 PM
Wind Chill Gust 88.6°F (31.4°C) 93.6° 3:45 PM
67.3° 7:46 AM
Wind Chill Avg 88.6°F (31.4°C) 93.6° 3:45 PM
67.3° 7:46 AM
Heat Index 88°F (31.1°C) 97° 3:43 PM
67° 7:13 AM
Sunshine 56 W/m2 ↓ 896 1:55 PM
0 12:00 AM
UV Index  0.0 9.9 1:43 PM
0.0 12:00 AM

 

METAR

METAR RRTX 060023Z AUTO 08000KT 31/15 A2984 RMK AO1 SLP105 T03140150 

Alarms

None. 

Number of Days

For September For 2008
Rain: 0
Snow: 0
Heavy Fog: 0
Thunder: 0
High > 90°F: 5
Low < 32°F: 0
High < 32°F: 0
Low < 0°F: 0
Cloudy: 0
Partly Cloudy: 2
Clear: 3 		Rain: 50
Snow: 0
Heavy Fog: 8
Thunder: 27
High > 90°F: 114
Low < 32°F: 14
High < 32°F: 0
Low < 0°F: 0
Cloudy: 28
Partly Cloudy: 18
Clear: 176
Date of last rainfall: August 20, 2008 (16 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

 

Degree Days

  Today Month Season
Heating - Base 65°F  0 0 0
Cooling - Base 65°F 16 106 2756

Wind Run

Today  11.2 miles
This month  246.1 miles
This year  9105.2 miles

Sunrise, Sunset

Twilight begins  6:58 AM
Sunrise  7:11 AM
Sunset  7:46 PM
Twilight ends  7:59 PM

Sunshine Minutes
Sunshine intensity > 120 W/m2

Today  623
This Month  623
This Year  623
Yesterday  0
One Year Ago  583

Other Calculated Parameters

Wet Bulb  69.1°F
Temperature-Humidity Index  95.9°F
Equilibrium Moisture Content  6.84 %
Mixing Ratio  10.91 g/kg
Saturated Mixing Ratio  30.31 g/kg
Air Density  1.156 kg/m3
Density Altitude  2941 ft
Estimated Potential Cloud Base  6652 ft

 

Averages

  Last 5 minutes  Current Hour  Current Day 
Temperature °F 88.7 88.9 79.5
Dew Point °F 59.1 59.3 62.8
Humidity 37 37.0 59.6
Wind Speed (mph) 84° 0.3 95° 0.8 84° 0.6
Precipitation (inches) 0.00 0.00 0.00
Barometer (inches Hg.) 29.838 29.836 29.868
Wind Chill °F 88.7 88.9 79.5
Heat Index °F 88.0 88.4 79.9
Sunshine 64.6 91.8 328.6
UV Index 0.00 0.00 2.83

Normals, Records

 

Normals for September 5, 2008

High Temperature:  °F
Low Temperature:  °F
Mean Temperature:  °F
Rainfall: n/a"
Snowfall: n/a"

Records for September 5, 2008

Highest Temperature:  ° -16777215
Lowest High Temperature:  ° 5768064
Highest Low Temperature:  ° --
Lowest Temperature:  ° 2089878984
Rainfall: n/a" 18480324
Snowfall: n/a" 14288712

 

Yesterday
Thursday, September 4, 2008

  Maximum
Minimum		 Mean/Total
Temperature 93.2°F 4:23 PM
66.3°F 7:19 AM		 79.8°
Dew Point 64.7°F 11:25 AM
59.2°F 5:41 PM		 61.5°
Humidity 81% 7:26 AM
33% 4:23 PM		 57.2°
Wind Gust WNW 14 mph 4:21 AM
WNW 0 mph 12:00 AM		 1.7 8°
Wind Speed NW 7 mph 3:27 AM
NE 0 mph 9:00 PM		  
Barometer 29.867" 8:29 AM
29.750" 4:59 PM		 29.809
Wind Chill Gust 93.2°F 4:23 PM
66.2°F 7:50 AM		 79.1°
Wind Chill Avg 93.2°F 4:23 PM
66.3°F 7:19 AM		  
Heat Index 95°F 4:23 PM
66°F 6:28 AM		 79.3°
Sunshine 882 W/m2 1:44 PM
0 W/m2 12:00 AM		 268.9
UV Index 10.3 1:21 PM
0.0 12:00 AM		 2.40°
Degree Days Heating (Base 65°F): 0
Cooling (Base 65°F): 15
Precipitation   0.00"
Evapotranspiration   0.214"
Precipitation Types none
Snowfall 0.0"
Snowcover 0"
Observer Notes None. 

 

One Year Ago
September 5, 2007

  Maximum
Minimum		 Mean/Total
Temperature 89.9°F 3:40 PM
74.4°F 12:09 AM		 82.2°
Dew Point 75.9°F 1:03 PM
70.3°F 5:42 PM		 73.3°
Humidity 97% 1:07 AM
56% 4:59 PM 		79.5°
Wind Gust W 15 mph 3:44 AM
NE 0 mph 12:00 AM		 1.9 231°
Wind Speed SW 6 mph 3:45 AM
N 0 mph 7:13 PM		  
Barometer 29.904" 10:23 AM
29.815" 3:07 AM		 29.858
Wind Chill Gust 89.9°F 3:40 PM
74.4°F 12:09 AM		 80.8°
Wind Chill Avg 89.9°F 3:40 PM
74.4°F 12:09 AM		  
Heat Index 98°F 1:02 PM
77°F 12:00 AM		 85.5°
Sunshine 1167 W/m2 3:14 PM
0 W/m2 12:00 AM		 179.3
UV Index 12.3 W/m2 1:08 PM
0.0 W/m2 12:00 AM		 1.94
Degree Days Heating (Base 65°F): 0
Cooling (Base 65°F): 17
Precipitation   0.14"
Precipitation Types Thunder
Snowfall 0.0"
Snowcover 0"
Observer Notes None. 

 

Monthly and Yearly Statistics

Extremes are the first of multiple occurrences.
  Monthly
Maximum, Minimum, Mean/Total		 Yearly
Maximum, Minimum, Mean/Total
Temperature °F 99.0° on Sep 2 2:16 PM
66.3° on Sep 4 7:19 AM
Mean 82.7°		 105.4° on Aug 3 3:43 PM
20.3° on Jan 20 7:53 AM
Mean 72.9°
Dew Point °F 73.3° on Sep 1 10:56 AM
57.7° on Sep 5 4:27 PM
Mean 64.5°		 77.9° on Jun 6 12:02 PM
8.3° on Jan 1 5:25 PM
Mean 57.0°
Humidity 87% on Sep 1 7:08 AM
31% on Sep 2 2:30 PM
Mean 58.1%		 100% on Feb 16 2:30 PM
10% on Mar 14 4:20 PM
Mean 63.2%
Wind Gust (mph) NW 25 on Sep 3 9:00 AM
E 0 on Sep 1 12:00 AM
Mean 348° 2.1		 NW 35 on Jan 31 2:52 PM
NE 0 on Jan 1 12:00 AM
Mean 273° 1.6
Wind Speed NW 12 on Sep 3 8:57 AM
E 0 on Sep 1 12:56 AM		 NW 19 on Jan 29 1:01 PM
NE 0 on Jan 1 12:07 AM
Barometer 29.922" on Sep 5 10:59 AM
29.640" on Sep 2 4:59 PM
Mean 29.775"		 30.965" on Jan 2 9:54 AM
29.392" on May 22 6:23 PM
Mean 29.935"
Precipitation Total 0.00" Total 16.21"
Evapotranspiration Total 1.054" Total 55.319"
Wind Chill Gust °F 66.2° on Sep 4 7:50 AM 18.4° on Jan 17 8:03 AM
Wind Chill Average °F 66.3° on Sep 4 7:19 AM
Mean 81.9°		 20.3° on Jan 20 7:53 AM
Mean 72.0°
Heat Index °F 105° on Sep 2 2:16 PM
Mean 83.4°		 112° on Jul 31 4:00 PM
Mean 73.2°
Sunshine 1060 W/m2 on Sep 3 1:15 PM
0 W/m2 on Sep 1 12:00 AM
Mean 272.2 W/m2		 1362 W/m2 on Aug 19 1:32 PM
0 W/m2 on Jan 1 12:00 AM
Mean 219.0 W/m2
UV Index 11.0 on Sep 3 1:15 PM
0.0 on Sep 1 12:00 AM
Mean 2.39		 15.0 on Jun 6 1:24 PM
0.0 on Jan 1 12:00 AM
Mean 1.81

All-Time Records

Records begin 9/24/2006.
Extremes are the first of multiple occurrences.
  Maximum, Minimum
Temperature °F 105.4° on Aug 3, 2008 3:43 PM
19.7° on Feb 16, 2007 7:16 AM
Dew Point °F 81.1° on Jul 3, 2007 11:45 AM
3.9° on Feb 24, 2007 5:07 PM
Humidity 100% on Oct 25, 2006 2:49 PM
7% on Feb 24, 2007 5:07 PM
Wind Gust (mph) NNW 36 on Nov 15, 2006 10:35 AM
N 0 on Sep 24, 2006 11:58 AM
Wind Speed NW 22 on Nov 15, 2006 11:22 AM
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 15.7° on Jan 15, 2007 10:30 AM
Wind Chill Average °F 15.7° on Feb 16, 2007 7:16 AM
Heat Index °F 112° on Aug 11, 2007 2:55 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

 

Data generated by WxSolution Version 1.8.1, Build 2008.06.03.

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