Pasadena 2N

39° 08' 31"N, 76° 30' 27"W, Elevation 43 ft.

Saturday, July 31, 2010
11:30:00 AM (Eastern)

212nd day of the year

Updated and refreshed every 10 minutes.

Weather computer in use: Davis Vantage Pro

  Current Today's Highs and Lows
Temperature 82.1°F (27.8°C) ↑ 82.3° 11:16 AM
61.2° 5:47 AM
Dew Point 68.3°F (20.2°C) ↑ 70.2° 11:24 AM
59.1° 5:13 AM
Humidity 63% ↓ 94% 5:54 AM
60% 10:50 AM
Wind Gust NNE 7 mph NNE 7 11:15 AM
SSE 0 12:00 AM
Wind Speed N 2 mph ↑
Light air (1)		 ENE 4 11:22 AM
SSE 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 0.035"  
Barometer 29.942" (1014.0 mb)
Falling		 29.958" 7:20 AM
29.928" 4:42 AM
Wind Chill Gust 82.1°F (27.8°C) 82.3° 11:16 AM
61.2° 5:47 AM
Wind Chill Avg 82.1°F (27.8°C) 82.3° 11:16 AM
61.2° 5:47 AM
Heat Index 85°F (29.4°C) 86° 11:12 AM
61° 2:01 AM
Sunshine 842 W/m2 ↑ 851 11:28 AM
0 12:00 AM
1. Daily total rainfall.
2. Maximum and minimum rainfall are the instantaneous rainfall rates.

METAR

METAR ??? 311530Z AUTO 01001KT 28/20 A2994 RMK AO1 SLP140 T02780202 

Alarms

None. 

Battery

Transmitters All OK
Console 4.59V

Number of Days

For July For 2010
Rain: 10
Snow: 0
Heavy Fog: 0
Thunder: 0
High ≥ 90°F: 20
Low ≤ 32°F: 0
High ≤ 32°F: 0
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 29 		Rain: 78
Snow: 6
Heavy Fog: 0
Thunder: 1
High ≥ 90°F: 41
Low ≤ 32°F: 63
High ≤ 32°F: 10
Low ≤ 0°F: 0
Cloudy: 0
Partly Cloudy: 0
Clear: 210
Date of last rainfall: July 29, 2010 (2 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 7 451 1036

Wind Run

Today 3.1 miles
This month 879.2 miles
This year 11852.2 miles

Sunrise, Sunset

Twilight begins 5:46 AM
Sunrise 6:07 AM
Sunset 8:17 PM
Twilight ends 8:38 PM

Sunshine Minutes

Sunshine intensity ≥ 120 W/m2

Today 209
This Month 18,891
This Year 104,129
Yesterday 667
One Year Ago 564

Other Calculated Parameters

Wet Bulb 72.7°F
Temperature-Humidity Index 81.1°F
Equilibrium Moisture Content 11.10 %
Mixing Ratio 14.81 g/kg
Saturated Mixing Ratio 23.81 g/kg
Air Density 1.174 kg/m3
Density Altitude 1817 ft
Estimated Potential Cloud Base 3111 ft

Averages

  Last 5 minutes Current Hour Current Day
Temperature °F 82.1 82.0 67.0
Dew Point °F 68.2 68.3 62.2
Humidity 63 63.3 85.5
Wind Speed (mph) 9° 1.4 45° 1.8 38° 0.3
Precipitation (inches) 0.00 0.00 0.00
Barometer (inches Hg.) 29.944 29.946 29.944
Wind Chill °F 82.1 82.0 67.0
Heat Index °F 85.0 84.4 67.1
Sunshine 823.0 781.0 149.7

Yesterday

July 30, 2010

  Maximum
Minimum		 Mean/Total
Temperature 84.4°F 4:02 PM
63.8°F 11:58 PM		 74.1°
Dew Point 69.7°F 12:21 AM
56.9°F 6:50 AM		 61.8°
Humidity 90% 11:37 PM
43% 3:36 PM		 64.1°
Wind Gust NE 13 mph 1:31 AM
N 0 mph 12:00 AM		 1.4 36°
Wind Speed ENE 7 mph 2:43 AM
N 0 mph 12:19 AM		  
Barometer 29.977" 10:30 AM
29.872" 12:01 AM		 29.932
Wind Chill Gust 84.4°F 4:02 PM
63.8°F 11:58 PM		 75.3°
Wind Chill Avg 84.4°F 4:02 PM
63.8°F 11:58 PM		  
Heat Index 86°F 4:09 PM
63°F 11:54 PM		 75.4°
Sunshine 993 W/m2 1:24 PM
0 W/m2 12:00 AM		 294.9
Degree Days Heating (Base 65°F): 0
Cooling (Base 65°F): 9
Precipitation   0.00"
Evapotranspiration   0.198"
Precipitation Types none
Snowfall 0.0"
Snowcover 0"
Observer Notes None. 

One Year Ago

July 31, 2009

  Maximum
Minimum		 Mean/Total
Temperature 89.7°F 1:50 PM
68.2°F 11:53 PM		 78.9°
Dew Point 79.9°F 12:56 PM
68.2°F 11:53 PM		 74.1°
Humidity 100% 4:22 PM
68% 1:46 PM		 91.3°
Wind Gust WNW 31 mph 3:28 PM
S 0 mph 12:03 AM		 2.6 200°
Wind Speed W 18 mph 3:30 PM
S 0 mph 1:27 AM		  
Barometer 30.026" 11:26 PM
29.763" 3:20 PM		 29.883
Wind Chill Gust 89.7°F 1:50 PM
68.2°F 11:53 PM		 77.1°
Wind Chill Avg 89.7°F 1:50 PM
68.2°F 11:53 PM		  
Heat Index 104°F 1:20 PM
68°F 11:16 PM		 81.8°
Sunshine 1065 W/m2 1:37 PM
0 W/m2 12:00 AM		 181.1
Degree Days Heating (Base 65°F): 0
Cooling (Base 65°F): 14
Precipitation   0.37"
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 103.1° on Jul 6 1:31 PM
55.5° on Jul 3 5:26 AM
Mean 79.8°		 103.1° on Jul 6 1:31 PM
9.8° on Feb 8 5:51 AM
Mean 56.6°
Dew Point °F 81.9° on Jul 24 4:54 PM
50.5° on Jul 1 8:22 PM
Mean 69.7°		 81.9° on Jul 24 4:54 PM
4.8° on Jan 29 6:08 AM
Mean 47.8°
Humidity 100% on Jul 4 7:05 AM
32% on Jul 6 1:30 PM
Mean 74.3%		 100% on Jan 1 12:00 AM
25% on Mar 8 1:30 PM
Mean 76.0%
Wind Gust (mph) NE 29 on Jul 26 3:51 PM
SSE 0 on Jul 1 12:00 AM
Mean 169° 1.3		 SSE 45 on Jan 26 7:46 AM
E 0 on Jan 1 12:00 AM
Mean 265° 2.3
Wind Speed WNW 13 on Jul 25 3:59 PM
SSE 0 on Jul 1 12:00 AM		 S 22 on Jan 25 7:55 AM
E 0 on Jan 1 12:00 AM
Barometer 30.277" on Jul 2 8:17 AM
29.760" on Jul 25 3:23 PM
Mean 29.964"		 30.616" on Apr 14 10:35 AM
29.209" on Jan 25 1:05 PM
Mean 29.945"
Precipitation Total 5.60" Total 20.93"
Evapotranspiration Total 5.711" Total 27.846"
Wind Chill Gust °F 55.5° on Jul 3 5:26 AM -1.9° on Jan 3 5:56 AM
Wind Chill Average °F 55.5° on Jul 3 5:26 AM
Mean 79.6°		 1.7° on Jan 3 4:39 AM
Mean 55.3°
Heat Index °F 124° on Jul 24 4:49 PM
Mean 83.7°		 124° on Jul 24 4:49 PM
Mean 57.1°
Sunshine 1190 W/m2 on Jul 13 1:37 PM
0 W/m2 on Jul 1 12:00 AM
Mean 250.3 W/m2		 1331 W/m2 on Apr 18 2:10 PM
0 W/m2 on Jan 1 12:00 AM
Mean 181.8 W/m2
Extremes are the first of multiple occurrences.

All-Time Records

  Maximum, Minimum
Temperature °F 103.1° on Jul 6, 2010 1:31 PM
1.5° on Jan 17, 2009 7:23 AM
Dew Point °F 85.0° on Jun 7, 2008 1:12 PM
-13.4° on Feb 5, 2007 9:18 AM
Humidity 100% on Dec 13, 2006 8:29 PM
12% on Mar 2, 2007 2:03 PM
Wind Gust (mph) SSE 45 on Jan 26, 2010 7:46 AM
NNE 0 on Dec 24, 2005 3:00 PM
Wind Speed N 26 on Sep 1, 2006 7:41 PM
N 0 on Dec 24, 2005 3:00 PM
Barometer 30.817" on Jan 21, 2008 10:10 AM
29.079" on Apr 16, 2007 4:53 AM
Precipitation Max rate: 72.00"/hr on Jun 9, 2009 7:05 AM
Evapotranspiration Max day: 3.313" on Aug 24, 2007 10:00 PM
Wind Chill Gust °F -8.3° on Feb 6, 2007 6:19 AM
Wind Chill Average °F -8.3° on Feb 6, 2007 6:21 AM
Heat Index °F 125° on Jun 7, 2008 1:30 PM
Sunshine 1331 W/m2 on Apr 18, 2010 2:10 PM
0 W/m2 on Dec 24, 2005 3:00 PM
Records begin .
Extremes are the first of multiple occurrences.

 

Data generated by WxSolution Version 1.8.5.2, Build 2010.02.02.