Contiguous U.S.:
For additional national, regional, and
statewide data and graphics from 1895-present, for July, the last 3
months or other periods, please visit the Climate At A Glance page. |
- July Temperature: 15th
warmest July in the 1895—2007 record. The preliminary
nationally-averaged temperature was 75.74°F (24.30°C),
which was 1.44°F (0.80°C) above the 1901—2000 (20th
century) mean.
- July Precipitation: 46th
wettest nationally in the 1895—2007 record. An average of
2.85 inches (72.39 mm) fell over the contiguous U.S. in July, which
was 0.09 inches (2.26 mm) above the 20th century mean for the
month.
- May—July Temperature
(3-Month): 4th warmest in the 1895-to-present record,
1.64°F (0.91°C) above the 20th century mean. The
preliminary nationally-averaged May—July temperature was
69.85°F (21.03°C).
- May—July Precipitation
(3-month): An average total of 8.14 inches (206.76 mm) of
precipitation fell during this 3-month period, which corresponds to
a ranking of 35th driest over the 1895—2007 period.
- February—July (6-month):
The national average temperature was the 15th warmest for this
6-month period. The preliminary nationally-averaged temperature was
57.04°F (13.91°C), which was 1.39°F (0.77°C)
above the 20th century mean. At 14.52 inches (368.81 mm), the
February—July precipitation was below average and ranked as
the 31st driest such period in the 1895—2007 record with 0.86
inches (21.79 mm) below the mean.
- January—July
(Year-to-date): The 19th warmest January—July on record.
The preliminary nationally-averaged year-to-date temperature was
53.41°F (11.89°C), or 1.30°F (0.72°C) above the
mean. The year-to-date period was the 30th driest
January—July in the 113-year record, receiving a national
average of 16.71 inches (424.43 mm) of precipitation during the
period, or 0.89 inches (22.56 mm) below the 20th century mean.
- August 2006—July 2007:
This was the 13th warmest such period in the 1895—2007
record. The preliminary nationally-averaged annual
temperature was 53.88°F (12.16°C), which was 1.06°F
(0.59°C) above the mean. Precipitation for the August
2006—July 2007 period ranked as the 41st wettest August to
July in the 112-year record. The nationally-averaged annual
precipitation accumulation was 30.12 inches (765.05 mm), ranking
just above the 20th century mean.
Alaska:
- Alaska
had its 10th warmest July since records began in 1918, with a
temperature 1.26°F (0.70°C) above the 1971—2000
average.
- Alaska
had its 8th warmest May—July on record, with a temperature
1.30°F (0.72°C) below the 1971—2000 average.
- Alaska
had its 30th warmest January—July on record, with a
temperature 0.05°F (0.03°C) below the 1971—2000
average.
Other Statewide and Regional
Highlights:
- The average July
temperatures were above average across many of the western and
northwestern states and set new records in three of the northern
mountain states: Idaho,
Montana,
and Wyoming.
Idaho's preliminary record high average temperature of 73.7°F
(23.2°C) was 1.9°F (1.1°C) warmer than the previous
record set in 2003. Despite this warmth, much of the nation from
the Deep South to the Northeast remained cool during July. Texas
and Arkansas
ranked 4th and 6th coolest, respectively.
Texas
had the 4th wettest July on record. Precipitation for the month
resulted in the 4th driest July for South
Dakota and the 7th driest July for Minnesota
on record.
- May—July temperatures
across Texas
ranked 5th coolest on record. Idaho
set a new record average temperature for this period. Nevada
tied for 2nd warmest, and Utah
was also ranked as the 2nd warmest three month May—July on
record, both second only to 2006. Texas
set a new record for the most precipitation with 16.17 inches from
May—July, and Oklahoma
ranked as the 2nd wettest. On the dry side, Tennessee,
North
Carolina, and Nevada
all had the 2nd driest May—July period.
- The South region had the
second wettest May—July period with an average total of 15.67
inches (398.02 mm). This is 4.78 inches (121.41 mm) above the
mean.
- Temperatures over the past 6
months (February—July) were much above average in the
West, Northwest, Southwest, and West North Central regions.
Precipitation ranked the period the 2nd driest in the Southeast,
and thirteenth wettest in the South.
- February—July (6-month)
temperatures were much above average for 9 states, including
Nevada,
Wyoming,
Idaho
and Utah.
No states had temperatures much below normal for this period.
Tennessee
had the driest February to July period on record and had 12.30
inches (312.35 mm) less precipitation than normal. Both Alabama
and North
Carolina had the second-driest period on record. However,
Texas
experienced its 3rd wettest and Oklahoma
its 5th wettest such period on record.
- So far during 2007, the
average temperatures have been above average for 24 states,
including Idaho,
Wyoming,
and Utah.
Tennessee
had its driest such period on record, and both Alabama
and Idaho
were the second-driest for the period. In contrast, Texas
experienced its wettest January through July on record, and
Oklahoma experienced its 3rd wettest.
- Overall, the January—July precipitation
across the Southeast
was 2nd driest. It was the 7th driest in the West
region, and 8th wettest in the South
region.
- The average temperatures over the past twelve months from
August 2006—July 2007 were
near average to much warmer than average for the Lower 48 States.
Four states, including Idaho
and Montana,
experienced average temperatures much above normal. The West
North Central region experienced temperatures much above
normal. Although the temperatures in much of the U.S. were warmer
than normal, many states experienced precipitation much wetter than
normal as well. Both Oklahoma
and Texas
had their third wettest August—July period. In the west,
Nevada
set a new record precipitation low for the same period.
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