Sanborn Field - Columbia

90F

32C
Heat Index96.7F
Humidity 55%
Wind Speed 3.9mph
Wind Dir. W
Pressure 29.94in.
Soil 2 in.98.0F
Rainfall 0.00in.

June 2016 Weather and Its Impacts on Missouri

Pat Guinan
State Climatologist
University of Missouri Extension

Statewide preliminary temperature data for Missouri indicates June 2016 will rank in the top 10 warmest Junes on record, similar to warmth experienced in 2010. The month will likely rank 9th warmest June since 1895, Table 1. The statewide average temperature was slightly above 77°F, more than 4 degrees above the long-term average. The last time June averaged cooler than normal was 2004, Figure 1. For the northern half of Missouri, it was the warmest June in decades. St. Joseph, Kansas City, Columbia and St. Louis recorded their warmest June since 1953. The mercury climbed into the 90's on a majority of days, with only a few days reporting below normal temperatures. Columbia broke a June record for reaching the 90's on 19 consecutive days, June 9-27, Figure 2.

Top 10 Warmest Junes for Missouri
Period of Record: 1895-2016
Year Avg Temp (F)
1. 1952 80.0
2. 1953 79.7
3. 1934 79.7
4. 1914 78.8
5. 1911 78.5
6. 1933 77.6
7. 1901 77.5
8. 2010 77.3
9. 2016 77.2*
10. 1918 76.6
*preliminary data for 2016
Table 1.

Preliminary precipitation data indicated a statewide average June total of 2.5 inches, or a little more than 2 inches below the long-term average. It was the driest June since 2012, Figure 3.

Rainfall was variable across the state with heaviest amounts reported across parts of northwestern and north central Missouri and southwestern and south central sections, where 3-4 inches were common. Lightest monthly totals ranged from 1-2 inches, and were typical over northeastern and east central sections and portions of central and southeastern Missouri. Pockets of extreme dryness, where less than 0.50 inches fell for the month, were located across far northeastern Missouri, and extended southward to the St. Louis area. A couple other pockets of extreme dryness were located around Kansas City and Cape Girardeau. By the last week of June, more than half of Missouri was experiencing abnormally dry to moderate drought conditions according to the Drought Monitor map, Figure 4. Some of the highest and lowest June rainfall totals are listed in Table 2.

Highest June 2016 Rainfall
Location County
June 1-30 Rainfall (in.)
1. Gallatin 1W Daviess 8.24
2. Alton 1.7NNW Oregon 7.04
3. Albany 0.7NE Gentry 6.74
4. Brookline 2.3NNW Greene 6.66
5. Bolivar1.0NE Polk 6.06
 
Lowest June 2016 Rainfall
Location County
June 1-30 Rainfall (in.)
1. Monticello 0.4SSW Lewis 0.08
2. Edina 2.3E Knox 0.19
3. Palmyra 1.0W Marion 0.40
4. Platte City 0.3ENE Platte 0.43
5. Bloomfield 2.9S Stoddard 0.48
 
Table 2.

An unusual number of sunny days occurred in June across Missouri. Columbia, MO recorded 21 mostly sunny days and two cloudy days during the month, Figure 5. The high temperatures and cloud-free days contributed toward higher than usual daily potential evapotranspiration rates. Potential evapotranspiration, or PET, is the amount of water lost due to evaporation from a well-watered soil surface and transpired from plants. Figure 6 shows the estimated amount of daily PET from irrigated turf grass during June 2016 in mid-Missouri compared to the 5-year average. Antecedent dry soil moisture conditions, much below normal June rainfall and high daily PET rates for the month resulted in vegetative stress for parts of Missouri and was evidenced by brown lawns and curling corn. Figure 7 shows two pictures taken on the University of Missouri campus 3 weeks apart, and is indicative of the deteriorating lawn conditions due to water stress. Figures 8 and 9 show a lawn picture taken on campus, and curling corn just southeast of Columbia, respectively. Columbia experienced its 6th driest January through June since records began (1890), and driest first-half of the year in 24 years, Figure 10.

According to the Missouri Agricultural Statistics Service, by the last week of June, 51% and 39% of the topsoil and subsoil moisture supplies, respectively, were in short to very short condition in the state. Corn was rated mostly fair to good at 82%, and soy conditions were mostly fair to good at 86%. Pasture conditions were in mostly fair to good condition at 89%. The majority of hay and stock water supplies were adequate.


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Missouri Average June Temperature 1895-2016

Figure 1.


Columbia, MO June Daily Max/Min Temperature Normal vs 2016

Figure 2.


Missouri Average June Precipitation 1895-2015*

Figure 3.


U.S. Drought Monitor - Missouri

Figure 4.


Solar Radiation for June Columbia, Missouri-Sanborn Field

Figure 5.


Columbia, Missouri June Daily Accumulated Potential Evapotranspiration Average vs. 2016

Figure 6.


Comparison pictures of University of Missouri lawn on June 6, 2016 & June 30, 2016

Figure 7.


University of Missouri, Rollins and College Avenue, Columbia, MO, June 20, 2016

Figure 8. University of Missouri, Rollins and College Avenue,
Columbia, MO, June 20, 2016


South Farm Research Center, Columbia, MO, June 20, 2016

Figure 9. South Farm Research Center,
Columbia, MO, June 20, 2016


Columbia, Missouri* Annual Accumulated Precipitation Normal vs. 2016

Figure 10.


Average Temperature (°F): June 01, 2016 to June 30, 2016

Average Temperature (°F): Departure from 1981-2010 Normals June 01, 2016 to June 30, 2016

Accumulated Precipitation (in): June 01, 2016 to June 30, 2016
Accumulated Precipitation (in): Departure from 1981-2010 Normals June 01, 2016 to June 30, 2016

Source: Pat Guinan, 573-882-5908