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Texas, San Jacinto

Public Information Statement

Statement as of 7:55 AM CDT on April 01, 2015



... March 2015 was much wetter than normal...

The month of March was much wetter than normal across all of
southeast Texas. In turn... the rainy periods during the month
helped bring about a month of near normal daily average
temperatures. The wet conditions reversed the results of a very
dry February and raised most year-to-date rainfall at the climate
sites to at or above normal.

Rainfall for March at the first-order climate sites actually
ranked in the top 15 wettest months on record. Hobby Airport
ranked 7th... the city of Galveston 8th... College Station 11th...
and the city of Houston ranked 13th. The following table lists
the top 15 wettest months of March on record for each first-order
climate site.

      ... highest monthly rainfall for the month of March...
       Houston hobby Houston Galveston College Station
rank value date value date value date value date
1 11.42 1957 10.66 1922 11.33 1997 8.66 2012
2 8.77 2007 9.85 1905 9.49 1973 8.03 1926
3 7.93 1979 9.18 1926 9.39 1926 6.73 2007
4 6.64 1944 8.58 1896 9.10 2007 6.63 1941
5 6.48 2001 8.52 1972 8.79 1944 6.58 1912
6 6.45 1941 7.97 2001 8.11 1903 6.24 1934
7 6.25 2015 7.96 1997 7.73 1957 6.08 2001
8 6.06 1997 7.14 2012 7.69 2015 6.07 1980
9 5.77 1993 7.05 1957 7.29 1934 6.07 1923
10 5.68 1995 6.80 1903 6.87 1900 5.86 1969
11 5.48 1985 6.41 1993 6.65 1941 5.83 2015
12 5.23 1970 6.40 2007 6.54 1880 5.68 1957
13 5.02 1988 6.34 2015 6.40 1970 5.55 1983
14 4.98 2012 6.28 1992 5.63 1985 5.54 1947
15 4.84 1951 5.59 1941 5.52 1933 5.44 1951


The rainfall reversed a trend that has seen most of the past 15
months see below normal rainfall. Still... the city of Houston
has now only had four months out of 15 with above normal
precipitation... while College Station... hobby Airport... and
Galveston have only had five months with above normal rainfall
during the same 15 month span. For this year... all of the first-
and second-order climate sites received above normal rainfall in
March. Of the 12 sites... 11 received in excess of 2 inches above
normal... five recording more than 3... two more than 4... and one
with greater than 6 inches above normal! The following table gives
the rainfall with the deficits for the first three months of 2015.


           January February March
site rain deficit rain deficit rain deficit
iah 3.17 -0.21 0.66 -2.54 6.34 +2.93
hou 5.13 +1.26 0.75 -2.46 6.25 +3.05
cll 6.66 +3.42 0.75 -2.10 5.83 +2.66
gls 5.44 +1.24 0.70 -1.87 7.69 +4.53
cxo 3.18 -0.60 0.75 -2.51 6.04 +2.85
dwh 2.63 -0.92 1.24 -1.79 6.39 +2.80
lbx 5.71 +1.26 0.65 -2.29 6.63 +3.16
lvj 5.41 +1.19 0.61 -2.57 5.89 +2.86
psx 3.58 +0.21 0.60 -1.75 3.50 +0.50
sgr 3.22 -0.38 0.62 -2.60 5.34 +2.09
uts 4.72 +0.90 0.75 -2.31 7.58 +4.17
hgx 6.27 +1.80 0.93 -1.98 9.65 +6.41


The daily average temperature across southeast Texas was generally
within 1 degree of normal for the month of March. Only College
Station recorded average temperatures for the month lower than a
degree... with 1.9 degrees below normal.

The following table lists the preliminary monthly temperature and
rainfall data for the first- and second-order climate sites across
southeast Texas...


                         March 2015 data

        Ave Ave monthly Ave monthly year-to-date
site high low daily dep rain dep rain dep

Iah 72.0 52.9 62.5 -0.2 6.34 +2.93 10.17 +0.18
gls 67.8 57.1 62.4 -1.0 7.69 +4.53 13.83 +3.90
cll 68.7 50.3 59.5 -1.9 5.83 +2.66 13.24 +3.98
hou 71.7 55.1 63.4 +0.1 6.25 +3.05 12.13 +1.85
cxo 69.1 49.1 59.1 -1.2 6.04 +2.85 9.97 -0.26
uts 68.6 50.5 59.6 -1.0 7.58 +4.17 13.05 +2.76
dwh 71.0 52.3 61.6 +0.8 6.39 +2.80 10.26 +0.09
sgr 71.5 52.9 62.2 +0.4 5.34 +2.09 9.18 -0.89
lbx 70.2 53.2 61.7 -0.3 6.63 +3.16 12.99 +2.13
psx 70.5 56.1 63.3 +0.4 3.50 +0.50 7.68 -1.04
lvj 72.8 55.4 64.1 +1.6 5.89 +2.86 11.91 +1.78
hgx 70.6 54.2 62.4 +0.6 9.65 +6.41 16.85 +6.23


The following table lists the rainfall data from the volunteer network
of co-op observers. Note that these numbers will be updated later this
month.


Location March rainfall

Anahuac 6.80
Bay City 5.33
Baytown 11.72
Bellville 8.40
Brenham 12.02
Crockett 8.49
Danevang 6.46
Freeport 6.30
Houston Westbury 6.19
Katy 5.07
Liberty 10.46
Madisonville 6.67
Matagorda 5.82
Richmond 4.92
Somerville 4.15
Washington State Park 8.27
Wharton 6.03


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