It is definitely warming up
across the contiguous U.S.
The warmest day of the month
occurred on April 25, when the temperature reached 109 degrees at Death
Valley, California.
The lowest high temperature
in April was 89 degrees on April 1, at Thermal, California. April 1, was the
only date that a temperature of less than 90 degrees was recorded. There were
11 days where the high temperature was in the nineties, with all other days
recording a temperature between 100 and 109.
The average high
temperature for April was 99.67 degrees, an almost 8 degree increase over the
average high temperature in March.
Somewhat surprisingly, the
coldest day was recorded late in the month when a temperature of -8 degrees
was recorded at Placer Basin, Montana on April 29.
The highest low temperature
in April was 19 degrees on April 9, at two locations; Flag Island, Minnesota
and Mount Washington, New Hampshire. There were only 5 days during April that
the low temperature was below zero.
The average low temperature
for April was 7.33 degrees, a huge increase over the average low temperature
of -17 degrees in March.
Once again, the greatest
temperature differential between the low temperature and the high temperature
occurred on the coldest day of the month. The -8 degrees on April 29, combined
with a 101-degree temperature at Rio Grande Village, Texas to produce a
temperature differential of 109 degrees.
The smallest temperature
differential occurred on April 6. The low temperature of 14 degrees at Pikes
Peak Summit, Colorado combined with the high temperature of 98 degrees at
Falcon Lake, Texas to produce a temperature differential of 84 degrees.
|
YEAR TO DATE
|
||||
January
|
February
|
March
|
April
|
|
Hottest
|
88
|
99
|
102
|
109
|
Average High
|
83
|
88
|
92
|
100
|
Lowest High
|
72
|
80
|
84
|
89
|
Coldest
|
-56
|
-50
|
-46
|
-8
|
Average Low
|
-29
|
-32
|
-17
|
7
|
Highest Low
|
3
|
-21
|
10
|
19
|
Greatest Differential
|
136
|
137
|
137
|
109
|
Smallest Differential
|
81
|
104
|
90
|
84
|
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