The Pepper Ridge North Valley's
April 2007 Weather Highlights

Summary of April 2007 Slightly Above Normal Temperatures and Below Normal Rainfall

April 2007 started off with warm weather following a cool dry storm that exited the state on the 28th of March. The high temperatures climb into the 90s on the 3rd and peaked on the 4th with 91.8F. Record highs were set on 3rd, 4th, 5th and 6th!

The dry spring season continued following a dry winter which failed to produce the forcasted El Nino rains. This was the fourth consecutive month with below normal rainfall. The April total rain was 0.26 inches below normal.

The first rainfall of the month occurred on April 12th, this was the start of a series of primary dry storms that moved though the area during the middle of the month. These storms produced cooler than normal temperatures and several dusty windy days. The coolest night of the month occured on the 16th with 45.8F . The coolest day of the month was on the 21st with mean of 57.9F and a high 67.0F, this was also the wetest day of the month with 0.12 inches. The last in the series of dry storms exited the state on 23rd of the month.

High pressure returned with continue dry weather and the temerature climb back into the 80s on the 24th. The warm up continued with the 90s being reach two days later. Record heat returned on the 28th as the 100F mark was reach for the first time (i.e. the ice broke on the Salt River!). This was the earliest occurance of this mark at Pepperridge. This broke the prior record highest April temperature of 99.2F on April 26th, 2000. At the same time a cutoff low sneaked into the state causing isolated thundershowers. These storms were primary high based and dry. In fact a dust storm moved though late in the afternoon on the 28th dropping the temperature from the high of 100.6F at 3:15pm down into the low 80s by 4:15pm, the peak wind gust was 36 mph at 4:20pm the highest of the month. The dust storm briefly reducing the visibily to 1/4 to 1/2 mile. The increased humidity and clouds led the warmest night of the month and year so far on April 30th.

By month's end there were only 4 days with measurable rainfall with only one day exceeding 0.10 inches on the 21st. Another dry month ended with only 0.29 inches on rain. The Temperatures for the month ended up slightly above average. With above average readings early in the month, below average through the middle of the month and above normal to end the month. Record highs were set on; 3rd,4th, 5th, 6th, 28th and 29th. This included the earliest 100 degree day at Pepperridge on April 28th a new record for the day and the record for the month. (full record details are listed in the hightlights box below)

April 2007 Highlights average mean temp 70.1F
The Normal Average Mean in 68.8F
So April 2007 was + 1.3F Above average

Hotest April Mean Temperature 73.1F in 2001
Lowest April Mean Temperature 63.6F in 1999

Average Max Temperature was 83.6F
The Normal Apr Average High is 81.5F
So Apr 2007 was + 2.1F Above average

Average Min Temperature was 55.0F
The Normal Apr Average Low is 54.7F
So Apr 2007 was + 0.3F Above average

Hotest April Average Max Temperature 86.6F in 2000
Lowest April Average Min Temperature 50.0F in 1999

Hotest April Max Temerature 100.6F on Apr 28th, 2007*
*Old record was 99.2F on April 26th, 2000.
Coolest April Min Temerature 37.3F on Apr 2nd, 1999

Apr Precipitation was 0.29 inches 6th Driest on record.
The greatest 24hr total 0.12 inches on Apr 21st

The April Precipation average is 0.57 inches
so the month was - 0.26 inches below normal.

Wetest April on record 2.12 inches in 2004
Driest April on record 0.00 inches in 2000

April 2007 Statistics
current thru April 30th, 2007

Hottest temperature ... 100.6F on April 28th

Coldest temperature ... 45.8F on April 16th

Lowest Maximum ... 67.0F on April 21st

Highest Minimum ... 66.9F on April 30th

Maximum Wind Gust this month ... 36 mph on April 28th

Total rain so far this year ... 2.20 in.

Most rain in one day ... 0.12 in. on April 21st

Total rain for this month ... 0.29 in. in April

The number of days this month
the HIGH temperature was

Less than 50 ... 0 days

Less than 60 ... 0 days

Less than 70 ... 1 day

80 or more ..... 20 days

90 or more ..... 9 days

100 or more .... 1 day

110 or more .... 0 days

The number of days this month
the LOW temperature was

32 or less ..... 0 days

45 or less ..... 0 days

60 or more ..... 5 days

70 or more ..... 0 days

Apr 2007 Weather Station Highlights

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