Water Resources Bulletin, 5/2/2013 – page 1
May 30, 2013
1 The Fractional Water Index ranges from very dry soil having a value of 0 to soil at field capacity illustrated by a value of 1.
[1.0-0.8 = Enhanced Growth; 0.8-0.5 = Limited Growth; 0.5-0.3 = Plants Wilting; 0.3-0.1 = Plants Dying; <0.1 = Barren Soil.] PRECIPITATION Statewide Precipitation CLIMATE DIVISION Last 60 Days March 29, 2013 – May 27, 2013 Last 365 Days May 28, 2012 – May 27, 2013 TOTAL RAINFALL (INCHES) DEPARTURE FROM NORMAL (INCHES) PERCENT OF NORMAL RANK SINCE 1921 TOTAL RAINFALL (INCHES) DEPARTURE FROM NORMAL (INCHES) PERCENT OF NORMAL RANK SINCE 1921 Panhandle 0.97" -3.97" 20% 1st driest
10.93"
-10.17"
52%
4th driest
North Central
5.61"
-1.72"
77%
33rd driest
19.14"
-12.51"
60%
5th driest
Northeast
9.36"
+0.24"
103%
37th wettest
30.37"
-11.60"
72%
9th driest
West Central
3.68"
-3.42"
52%
12th driest
17.19"
-11.90"
59%
4th driest
Central
10.75"
+2.01"
123%
17th wettest
29.06"
-8.93"
76%
19th driest
East Central
12.27"
+2.41"
124%
21st wettest
35.67"
-10.42"
77%
19th driest
Southwest
5.74"
-1.48"
80%
38th driest
20.11"
-10.69"
65%
6th driest
South Central
10.05"
+1.07"
112%
26th wettest
29.71"
-11.25"
73%
11th driest
Southeast
12.35"
+1.89"
118%
27th wettest
39.81"
-11.13"
78%
13th driest
Statewide
7.97"
-0.23"
97%
40th wettest
25.81"
-10.88"
70%
6th driest
SOIL MOISTURE Fractional Water Index1 May 28, 2013
This Oklahoma state government publication is provided for educational purposes under U.S. copyright law. Other usage requires permission of copyright holders.
Water Resources Bulletin, 5/2/2013 – page 1
May 30, 2013
1 The Fractional Water Index ranges from very dry soil having a value of 0 to soil at field capacity illustrated by a value of 1.
[1.0-0.8 = Enhanced Growth; 0.8-0.5 = Limited Growth; 0.5-0.3 = Plants Wilting; 0.3-0.1 = Plants Dying; <0.1 = Barren Soil.] PRECIPITATION Statewide Precipitation CLIMATE DIVISION Last 60 Days March 29, 2013 – May 27, 2013 Last 365 Days May 28, 2012 – May 27, 2013 TOTAL RAINFALL (INCHES) DEPARTURE FROM NORMAL (INCHES) PERCENT OF NORMAL RANK SINCE 1921 TOTAL RAINFALL (INCHES) DEPARTURE FROM NORMAL (INCHES) PERCENT OF NORMAL RANK SINCE 1921 Panhandle 0.97" -3.97" 20% 1st driest
10.93"
-10.17"
52%
4th driest
North Central
5.61"
-1.72"
77%
33rd driest
19.14"
-12.51"
60%
5th driest
Northeast
9.36"
+0.24"
103%
37th wettest
30.37"
-11.60"
72%
9th driest
West Central
3.68"
-3.42"
52%
12th driest
17.19"
-11.90"
59%
4th driest
Central
10.75"
+2.01"
123%
17th wettest
29.06"
-8.93"
76%
19th driest
East Central
12.27"
+2.41"
124%
21st wettest
35.67"
-10.42"
77%
19th driest
Southwest
5.74"
-1.48"
80%
38th driest
20.11"
-10.69"
65%
6th driest
South Central
10.05"
+1.07"
112%
26th wettest
29.71"
-11.25"
73%
11th driest
Southeast
12.35"
+1.89"
118%
27th wettest
39.81"
-11.13"
78%
13th driest
Statewide
7.97"
-0.23"
97%
40th wettest
25.81"
-10.88"
70%
6th driest
SOIL MOISTURE Fractional Water Index1 May 28, 2013