The 2012 Monsoon Season Officially began as of 6/26/12
Today June 28th marked the third day in row with a average dewpoint
reading at 55.0°F or higher, this marks the begin of the season based on older
criteria of dewpoint*, by the newer set date system the season began
on June 15th!!
Pepper Ridge Dewpoint averages over the last 6 days.
June 23rd ---- 43.5°F
June 26th*---- 55.4°F
June 24th ---- 54.7°F
June 27th ---- 59.2°F
June 25th ---- 52.6°F
June 28th ---- 58.9°F
The Monsoon has officially started at Phoenix Sky Harbor,on June 15th
06/27 - Marked the first major Dust Storm of the season due to thunderstorm outflows from storms near Case Grande. It appears that high pressure system will move back overhead this weekend bringing excessive heat and a temporary break in monsoonal moisture flow through early next week. So the season is here but little storm impact is expected for now.
07/14 - Major Thunderstorm outbreak accross parts of the state including the East Valley East Mesa, Gilbert and parts of Chandler get up to 1 - 1/2 inches of rain
Here in the North Valley debris clouds bring a Whopping 0.02 Inches of rain.
Season total is now at 0.24 inches as the dry start to the Monsoon continues!!!
07/21 - So far the first 3 weeks of the Monsoon has been a dud in the North Valley. 5 storms that have brang a total of a mere 0.35 inches, leaving the year todate rainfall at 1.69 inches which is right now the driest year on record in 16 years of data keeping thru July 21st!!!
This evening started with A Impresive dust storm but the rainfall was only 0.10 inches Futher to north in New River they got up to 1 - 3/4 inches which is more than our yearly total!!!
07-31 - July 2012 closes 0.08 inches from a brief thunderstorm bringing the monthly total to 0.76 inches Which is -0.46 inches below normal and makes this July the 7th Driest on record The drought continues as 2012 is now the 2nd driest year on record thru July 31st!!
Only 1997 had less rain thru July 31st with 2.04 inches compared with 2.10 inches this year
Further to North the Anthem / New River area got hit hard again with street flooding and 1.5 inches of rain
This was a very isolated storm as the strange Monsoon Season continues with some areas receiving more rain than normal and other areas very little... for an active season 2012 has been a big disappointment so far.
08-14 - The monsoon tries to return after 2 weeks relentless heat but was unimpressive again!! Only 0.09 inches fell here in the North Valley the only thing it really did is prevented the daily Low of 90°F This would have been only the 4th time the low was 90°F or higher the storm cooled to it to 83°F The Monsoon Season total is only 0.86 inches less than 60% of normal so far and it stands as the 2nd driest on record.
08-21 - Finally Monsoon 2012 produces a storm that delivers meaningfull rain in the North Valley!!
Moderate rain has been falling from a thunderstorm complex over Phoenix for last 2 hours since 10pm These storms brang heavier rain south of the valley of 1 inch + but so far Pepperidge has received 0.48 inches Bringing the season total to 1.36 inches now the 3rd driest on record!!!
8-23 - Very Early Morning severe thunderstorm brings a impressive light show and heavy rain and localized flooding. Pepperridge received 0.52 inches from the storm that brang 1.5+ inches in localized valley locations. Sky Harbor received daily rainfall record 0.80 incbes a impressive storm nearly valley wide.
9-09 - Another uneventful storm for the North Phoenix Valley with only 0.14 inches of rain from morning Thundershowers. However East Mesa and Apache Junction got hit again with up to 2 1/2 inches of rain and street flooding. Even Sky Harbor picked up 0.51 inches while Pepperridge finally manage to hit the 2 inch mark for the season. 2012 remains the 7th Driest Monsoon on Record with only 65% of normal precipitation for the Monsoon.
9-10-11 - The monsoon that has been hitting many areas harder this summer finally delivers a series of decent Thunderstorms. PepperRidge received 1.30 inches from theseries of storms thanks to Low pressure system effective the state The bulk of the rain that fell within a little 1hr between 10:40PM and 12midnight on Sept 10th with 0.81 inches Additional morning showers on the 11th added another 0.22 inches which brings the Monsoon Season total to 3.39 inches Which is slightly above the normal Monsoon Season total of 3.22 inches September has been the wettest month of the season with 1.44 inches and the wettest Sept since the record breaking Sept 2006.
THE 2011 MONSOON SEASON HAS BEGAN AT PEPPERRIDGE!
The 2011 Monsoon Season Officially began as of 7/03/11
Today Jul 5th marked the third day in row with a average dewpoint
reading at 55.0°F or higher, this marks the begin of the season based on older
criteria of dewpoint*, by the newer set date system the season began
on June 15th!!
Pepper Ridge Dewpoint averages over the last 6 days.
June 30th ---- 46.2°F
July 3rd*---- 62.2°F
July 1st ---- 43.1°F
July 4th ---- 65.9°F
July 2nd ---- 49.7°F
July 5th ---- 67.1°F
The Monsoon has officially started at Phoenix Sky Harbor,on June 15th
07/03 - First Measurable rain of Monsoon 2011 at Pepperridge fell on July 3rd
with 0.25 inches which ended a 83 day rainless streak at Pepperridge. (Apr 11th - July 2nd) This tied with
2000 for the sixth longest rainless streak at this station.
07/05 - Major Dust Storm hit the Phoenix Area, reducing visibility to near zero
Only a little rain accompanied the storm with 0.13 inches. This that marked the 3rd day in row
with measurable rain at Pepperidge as 0.24 inches fell on the 4th of July with strong winds
The 3 Day total is 0.62 inches meaning this is best start to the season since 2008!!
07/11 - Overnight thundershowers and thunderstorms produce the largest rain event so far.
Moderate to heavy rain totaled 0.48 inches between 3am to 6am bringing July's rainfall to 1.10 inches.
With this storm more rain has fallen so far in Monsoon 2011 than during the entire 2009 Season!! We are also closing in on 2010's Monsoon Season total of 1.63 inches, meaning the best start to Monsoon Season since 2008 continues!!
07/24 - Active Evening with Thunderstorms across the valley with some areas receiving up
to 1"+ rain
Here at Pepperridge the total rainfall was 0.53 inches with 0.06 inches of that after midnight on 7/25
This active storm with brillent Lightning display brings the season total to 1.63 inches which is a tie
with 2010s season total which means one more storm should make this the wetest Monsoon since 2008!!
07/30 - Brief Thunderstorms affected the valley this evening droping 0.29 inches of rain at Pepperridge with this rain the Monsoon Season exceed last year's total for the entire season
07/31 - Thunderstorms affected the Valley for the second night in a row with a active evening with lightning this storm dropped 0.44 inches between 9:30pm and 11:30pm at Pepperridge with periods of brief heavy rain. With this storm July's rainfall total was 2.36 inches making it the
3rd wettest July on record at Pepperridge
08/03 - A surprise thunderstorm poped up this evening bringing welcoming rain after a excessively hot day. Tonight's strong storm delivered heavy rain with 0.50 inches between 8:30pm and 8:40pm!! The temperature fell from 98°F to 77°F during the same period with winds gusting to 32mph!! Total rainfall from this storm was 0.75 inches which brings the season total to 3.11 inches.
08/13 - Overnight Thundershowers brang some brief Heavy Rain totalling 0.24 inches!!
Bringing the August total to 0.99 inches and the season total 3.35 inches - 6th Wetest Overall.
08/18 - Another Dust storm "Haboob" rolled accross the valley this evening in it's wake brief moderately heavy rain fell amounting to only 0.13 inches a disappointing dusty evening!!
09/30 - Monsoon 2011 ended with a disappointing final 6 weeks with only 0.09 inches of rain falling. What started as a decent season fizzled with only 0.08 inches rain falling in September The season ended with 3.57 inches rain making Monsoon 2011 the 6th wetest overall.
THE 2010 MONSOON SEASON HAS BEGAN AT PEPPERRIDGE!
The 2010 Monsoon Season Officially began as of 7/09/10
Today Jul 11th, marked the third day in row with a average dewpoint
reading at 55.0°F or higher, this marks the begin of the season based on older
criteria of dewpoint*, by the newer set date system the season began
on June 15th!!
Pepper Ridge Dewpoint averages over the last 6 days.
July 6th ---- 45.8°F
July 9th*---- 58.8°F
July 7th ---- 45.8°F
July 10th ---- 61.4°F
July 8th ---- 52.3°F
July 11th ---- 50.8°F
The Monsoon also officially started at Phoenix Sky Harbor,as of July 9th
The season began on June 15th based on the calendar date criteria!!!
THE 2010 MONSOON SEASON IS ALMOST HERE AT PEPPERRIDGE!
The 2010 Monsoon Season looks as if it could began on 7/11
Today Jul 10th, looks likely to mark the second day in a row with a average
dewpoint reading at 55.0°F or higher, this is based on the older
criteria by the newer set date system the season began
on June 15th!!
Pepper Ridge Dewpoint averages over the last 6 days.
July 4th ---- 52.1°F
July 7th ---- 45.8°F
July 5th ---- 46.0°F
July 8th ---- 52.3°F
July 6th ---- 45.8°F
July 9th ---- 58.8°F
The Monsoon has officially started at Phoenix Sky Harbor,on June 15th
07/22 - First Measurable rain of Monsoon 2010 at Pepperridge fell on July 22nd
The mere 0.04 inches ended a 120 day rainless streak at Pepperridge. (Mar 24th - July 21st) This is the second longest rainless streak at this station.
07/29 - First Major storm of Monsoon effects parts of the valley primary in Tempe, Chandler , South and Central Phoenix, Glendale, Peoria and Sun City.
Winds even damaged a section of the roof at University of Phoenix Stadium. Here at Pepperridge we received only a glancing blow from this storm.
While up to 1/2 inch to 1 inch of rain fell as close as about 5 miles West and NW of this station
Here results were very disappointing with 0.03 inches bringing the month only to a dismal 0.07 inches
With only 2 days left in the month this could be the driest July on record beating last years 0.13 inches
07/31 - Overnight Thundershowers bring a wet end to July with the first significant rainfall at Pepperridge
0.49 inches fell between 2:30am and 5:00am ending the month with 0.56 inches the 6th driest July on record
However afternoon showers left parts of south central Phoenix with up to 1 1/2 inches of rain this included a daily record at Sky Harbor with 1.33 inches, so for parts of valley July ended fairly wet with up to 2 1/4 inches. But at Pepperridge it has been a fairly dry month and Monsoon 2010 has been a NONSOON so far.
8/21-8/22 - The 2nd Major storm of this Monsoon season again effected mainly the East Valley with rainfall totals of up to 1.50 inches this storm ended up producing decent 0.41 inches here at Pepperridge This storm moves Monsoon 2010 into 2nd place for the Driest Monsoon on record!!
8/24 - Another promising storm goes bust here at Pepperridge with brief heavy rain but only 0.08 inches total!
Futher north of our location they received up to 1/2 inch. However this storm produced some strong winds
These were the strongest so far of this Monsoon with substained winds of 29 mph & peak gust 40 mph at 4:32 pm!!
8/28 - A unusually strong front for late summer influences the season as westerlies begin to drive the moisture out.
However a brief Heavy thunderstorm effected the area with 0.19 inches of rain bringing the month to 0.86 inches.
8/31 - As August closes Monsoon 2010 remains one of the driest in 3rd place overall for driest Monsoon. The August rainfall was 0.86 inches which was (0.42 inches) below the normal 1.28 inches.
The month closed out dry as westeries again disrupted the monsoon because of the lingering effects of El nino.
9/30 - Monsoon 2010 closes with little fanfare it was the 3rd driest on record thanks to a dry
September which produced only 0.21 inches with 0.20 inches falling on Sept 22nd from the remanents of Tropical Storm Georgette. Otherwise the Monsoon was almost non existant in September.
THE 2009 MONSOON SEASON HAS BEGAN AT PEPPERRIDGE!
The 2009 Monsoon Season has officially began at Pepper Ridge North Valley on 6/29
Today Jul 1st, marks the third day in a row with a average
dewpoint reading at 55.0°F or higher, this is based on the older
criteria by the newer set date system the season began
on June 15th!!
Pepper Ridge Dewpoint averages over the last 6 days.
June 26th ---- 55.1°F
June 29th*---- 58.4°F
June 27th ---- 54.5°F
June 30th ---- 61.3°F
June 28th ---- 54.9°F
July 1st ---- 60.9°F
The Monsoon has officially started at Phoenix Sky Harbor,on June 15th
8/13 - Finally a storm as "NONsoon 2009" continues. A decent early morning storm
produces 0.32 inches of badly need rain as the dismal 2009 season continues Unfortunately more
unusually dry weather is forecast thru next week
8/31 - NONsoon 2009" breathes a little new life at month's end
A evening thunderstorm produces 0.20 inches of badly need rain as the dismal 2009 season continues
9/23 - With only 7 days left in the season it looks like this will be the
Driest Monsoon on record with only 0.69 inches, it has been a disappointing Summer!
10/01 - It's Official Monsoon 2009 is officially over and it was the
Driest Monsoon on record with only 0.69 inches the prior driest Monsoon was 2001 with 1.28 inches
THE 2008 MONSOON SEASON HAS BEGAN AT PEPPERRIDGE!
The 2008 Monsoon Has Began at Pepper Ridge North Valley
Based on the dewpoint criteria which has to have average 55°F or above for 3 days in a row
This criteria was met on July 5th which means the Monsoon began on July 3rd
HOWEVER based on the new Method of preset dates the Monsoon began on June 15th!!
Yesterday July 5th, marked the third day in a row with a
Dewpoint average at 55.0°F or above, which means based on criteria for
dewpoint averages* the Monsoon began three days ago on July 3rd.
Last years season began on July 8th.
Pepper Ridge Dewpoint averages over the last 6 days.
June 30th ---- 53.4°F
July 3rd* ---- 58.0°F
July 1st ---- 53.5°F
July 4th ---- 60.9°F
July 2nd ---- 53.3°F
July 5th ---- 59.9°F
The Monsoon has officially started at Phoenix Sky Harbor,on June 15th
1st Decent Storm of Monsoon 2008 produces 1.07 inches
On July 11th and 12th with a peak Wind Gust of 25 Mph at 8pm on July 11th.
2nd Decent Storm of Monsoon 2008 produces 0.85 inches
On Aug 7th with a peak Wind Gust of 37 Mph at 9pm.
3rd Decent Storm of Monsoon 2008 produces 0.99 inches
On Aug 25th with a peak Wind Gust of 26 Mph at 7:55pm.
4th Decent Storm of Monsoon 2008 produces 0.21 inches
On Aug 28th with a peak Wind Gust of 37 Mph at 9pm. The Brunt of the storm hit S.E. of this
location in Tempe/Mesa and Central Phoenix. A 75 Mph Gust was recorded at Sky Harbor
Severe ThunderStorm details.
Daily lightning totals were alltime records with 94,333 lightning Flashes or Strikes,
including 553 nearby strokes
The total stroke count from those flashes was 231,460 strokes
The storm lasted into the Early hours of 8/29 and produced
an additional 0.17 inches and Pea Size Hail Shortly after midnight
The complete summary of the 2007 Monsoon Season can be found at
the following link: 2007 Monsoon Summary Page
Monsoon Rainfall for Pepper Ridge # 1 North Valley Phoenix - 1997 - 2009
YEAR
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
MAX MNTH
MIN MNTH
MNTLY AVG
JUN
0.00
0.00
0.07*
0.96
0.01
0.00
0.00
0.00
0.02
0.05*
0.00
0.00
0.00
0.96
0.00
0.11*
JUL
0.34
0.95
4.03
0.13
0.33
1.92
0.44
0.47
2.62
1.12
1.63
1.32
0.13
4.03
0.13
1.25
AUG
1.33
0.48
1.30
2.65
0.94
0.08
1.84
0.91
2.15
1.89
0.07
2.85
0.54
2.85
0.07
1.30
SEP
0.27
0.60
0.77
0.01
0.00
1.14
0.29
0.85
0.32
5.24
0.02
0.02
0.02
5.24
0.00
0.47
Min Month
0.00
0.00
0.07
0.01
0.01
0.00
0.00
0.00
0.02
0.05
0.00
0.00
0.02
0.96
0.00
0.69 season
Max Month
1.33
0.95
4.03
2.65
0.94
1.92
1.84
0.91
2.62
5.24
1.63
2.85
0.54
5.24
0.13
8.25 season
Avg/Totals
1.94
2.03
6.10
3.75
1.28
3.14
2.57
2.23
5.11
8.25
1.72
4.19
0.69
----
----
3.13
Monsoon Normals listed above are based on the years 1997- 2005
*0.07 in 1999 & 0.05 in 2006 Fell Before Jun 15 and is not included in Monsoon Totals Monsoon Rainfall is statistically measured from June 15th thru Sept 30th!!
Monsoon Rainfall for Pepper Ridge # 1 North Valley Phoenix - 2009 - 2012
YEAR
2009
2010
2011
2012
MAX MNTH
MIN MNTH
MNTLY AVG
JUN
0.00
0.00
0.00
0.00
0.96
0.00
0.07*
JUL
0.13
0.56
2.36
0.76
4.03
0.13
1.22
AUG
0.54
0.86
1.13
1.19
2.85
0.07
1.27
SEP
0.02
0.21
0.08
1.47
5.24
0.00
0.66
Min Month
0.00
0.00
0.00
0.00
0.96
0.02
0.69 season
Max Month
0.54
0.86
2.36
1.47
5.24
0.13
8.25 season
Avg/Totals
0.69
1.63
3.57
3.42
----
----
3.22
Monsoon Normals are based on the years 1997- 2011
*0.07 in 1999 & 0.05 in 2006 Fell Before Jun 15 and is not included in Monsoon Totals Monsoon Rainfall is statistically measured from June 15th thru Sept 30th!!
