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June 21, 2019/report

June 21, 2019

Summary: Temperatures will be fairly mild by the standards of late June as a pool of modified marine air is entrenched on the valley floor.  As we all know, with the sun angle at its pinnacle, this relatively mild air will mix out quickly with a warming trend beginning Saturday as weak high pressure begins to push in.  Satellite imagery shows coastal low clouds and fog are pushed all the way inland to the last range of mountains separating the Coast Range from the valley floor.  The marine layer, which is currently 2,800 feet deep, will begin to peel back towards the coast as the weekend progresses.  By Sunday, readings will be pushing the century mark at the warmer locations.

 

The good news is there is no truly hot weather on the horizon.  By Tuesday, a significant low will be off the coast of Washington, eventually digging a trough into northern and central California Wednesday through Friday of next week.

 

A very dry southwest flow will be flanked underneath this storm for a continuation of clear skies, but from the middle of  next week on, below average temperatures will prevail.

 

There is some indication of our old friend the Four Corners summertime high beginning to develop towards the end of the month and early July.  This could, in theory, bring true summertime heat back to the valley.

 

Forecast: Mostly clear skies through Tuesday.  Continued to be mostly clear Tuesday night through Friday.

 

Short Term:                                                                        

Madera 88/57/94/61/98 Reedley 89/57/95/60/99 Dinuba 88/57/93/61/98
Porterville 89/58/94/61/99 Lindsay 89/57/93/61/98 Delano 89/61/94/64/98
Bakersfield 88/63/95/65/100 Taft 90/67/95/71/99 Arvin 90/62/95/64/99
Lamont 88/61/94/64/100 Pixley 88/58/93/62/99 Tulare 88/57/93/61/97
Woodlake 88/57/93/61/97 Hanford 88/59/94/61/98 Orosi 88/56/93/60/97

 

Seven Day Forecast:

Monday

Mostly clear

65/99

Tuesday

Mostly clear

62/95

Wednesday

Mostly clear

57/88

Thursday

Mostly clear

56/87

Friday

Mostly clear

55/90

 

Two Week Outlook: June 28 through July 4:  This model shows the possibility of high pressure building over the Four Corners region.  If this happens, we may see fairly hot weather during this time frame with no chance of precipitation.

 

 

July: July, of course, is typically hot and if this model has any credence, it will be hotter than average.  With a dominant Four Corners high and a trough over the middle of the country, usual July dry conditions will prevail.

 

July, August, September: This model is indicating that the western U.S., including California, will experience above average temperatures overall during the mid to late summer period.  Precipitation is expected to be near average, which, of course, is very little and there’s no reason to believe otherwise.

 

Winds:  Winds will be mainly out of the northwest at 8 to 15 MPH today with gusts to 25 MPH possible, mainly this  morning.  Later tonight through Monday, winds will be generally at or less than 15 MPH afternoons and evenings and generally less than 10 MPH during the later night and morning hours.

 

Rain: Expect dry conditions for the next 7 to 10 days.

___________________________________________________________________________________________

Afternoon Dew Points Today:  Mid to upper 40s.  Kern: Mid to upper 40s. Humidity values ranging from 20%/75% at Hanford.  Bakersfield 20%/65%

Actual Humidity June 20, 2019: Delano, 71%/24% Porterville, 79%/22%

 

Percentage of Sunshine Today/Tomorrow: Visalia: Today: 100%, tomorrow 100%  Bakersfield: Today: 100% Tomorrow: 100%

 

ET Rates Over the Past Seven Days: Stratford 1.98, Parlier 1.97, Blackwell 2.23, Arvin 2.18, Orange Cove 2.06, Porterville 2.04, Delano 1.98. Courtesy University of California *=estimate, NA=not available

 

Seven Day Soil Temperatures: Stratford 75, Parlier 77, Blackwell 87, Lindcove, 76, Arvin, 79, Orange Cove 80, Porterville 86, Delano 83

Record Temperatures: 110/51. Average Temperatures: 94/62

Cooling Degree Days this Season: 498 +135

Courtesy of the NWS

Average temperature for June so far: 80.0 +6.4

Precipitation:  Seasonal total/average/above or below average

Since Oct 1, 2018  Fresno: 11.85 season. or +.56.  Month to Date: .00 -.19

Since Oct 1, 2018,  Bakersfield:  7.80, or +1.46.  Month to Date: .23 +.16

Water year season is from October 1st through September.

Chilling Hours November 1st through February 28: Orange Cove,  Parlier,  Arvin, Shafter, Stratford, Lindcove, Porterville,

Hours at 45 or below 45.

Sunrise: 5:40 am  Sunset: 8:21 pm. Hours of Daylight:  14:42

Yesterday’s Weather:

MAE   : Madera               253 : DH1600 /  79 /  62 / 0.00 /

FAT   : Fresno Airport       333 : DH1600 /  85 /  69 / 0.00 /

HJO   : Hanford Airport      242 : DH1600 /  86 /  65 / 0.00 /

NLC   : Lemoore Naval AS     234 : DH1700 /  92 /  64 / 0.00 /

BFL   : Bakersfield Airport  496 : DH1700 /  96 /  88 / 0.00 /

VIS   : Visalia Airport      292 : DH1600 /  83 /  67 / 0.00 /

ATEC1 : Avenal               787 : DH1651 /  92 /  64 / 0.00 /

PTV   : Porterville Airport  442 : DH1600 /  84 /  66 / 0.00 /

TFTC1 : Taft                 759 : DH1654 /  98 /  73 / 0.00 /

LOSC1 : Los Banos            120 : DH1600 /  79 /  59 / 0.00 /

 

 

Rainfall:  Water year Oct 1st through September 30th

24hr             Season        %            L.Y.               %               Ave.      Ave. yearly total

STOCKTON                      0.00   18.37   134    9.22    67    13.75    14.06

MODESTO                       0.00   13.35   104    8.17    64    12.81    13.11

MERCED                        0.00   13.27   109    7.06    58    12.19    12.50

MADERA                        0.00   11.42    98    7.22    62    11.71    12.02

FRESNO                        0.00   11.85   105    6.73    60    11.29    11.50

HANFORD                       0.00    9.50    96    4.70    48     9.88    10.10

BAKERSFIELD                   0.00    7.80   123    3.95    62     6.34     6.47

BISHOP                        0.00    8.47   183    1.49    32     4.64     5.18

SALINAS                          T   13.80   109    7.15    57    12.62    12.83

PASO ROBLES                   0.00   14.88   120    9.62    77    12.45    12.78

SANTA MARIA                   0.00   15.68   114    6.01    44    13.75    13.95

Next report:  Saturday, June 22