Manhattan
Station Metadata
Current Observations
Growth Stage
Degree Days
Normal DD
Date
Map Legend
Table
Chart
Calculate
Download
Resources
Color GDD °F Estimated Wheat Growth Stage
0 to 600 Seedling growth or tillering
600 to 800 Tillering or strongly upright tillers
800 to 1000 Strongly upright tillers or jointing (first node)
1000 to 1200 Jointing (first node) or approaching flag leaf emergence
1200 to 1400 Flag leaf emergence or boot
1400 to 1600 Boot or heading
1600 to 1800 Heading to flowering
1800 to 2000 Heading or flowering
2000 to 2200 Flowering or watery ripe
2200 to 2400 Watery ripe or milk
2400 to 2600 Milk or dough
2600 to 2800 Dough or kernels maturing
2800 to 3000 Dough or kernels maturing
More than 3000 Physiologically mature or approaching harvest

Data as of May 27 2025 22:40 (CDT) -- Click column headers to sort data

STATIONWHEATGDDNORMWHEATSTAGENORMWHEATGDDOBSWHEATSTAGEOBS
Ashland 8S2221.0Watery Ripe2447.0Milk
Ashland Bottoms1994.0Heading2362.0Watery Ripe
Belleville 2W1915.0Heading2110.0Flowering
Bennington 3N1933.0Heading2317.0Watery Ripe
Bentley 2S GMD2192.0FloweringNewNew
Bunker Hill 3NE1911.0Heading2358.0Watery Ripe
Butler2156.0Flowering2473.0Milk
Cherokee2313.0Watery Ripe2684.0Dough
Cheyenne1572.0Boot1822.0Heading
Clay1880.0Heading2228.0Watery Ripe
Colby1552.0Boot1960.0Heading
Corning 2NW1847.0Heading2251.0Watery Ripe
Elmdale 1SE1936.0Heading2446.0Milk
Flickner Tech Farm2066.0Flowering2317.0Watery Ripe
Garden City1862.0Heading2260.0Watery Ripe
Goodland Tech Farm1553.0Boot1888.0Heading
Gove 5SE1621.0Heading2124.0Flowering
Grant1829.0Heading2151.0Flowering
Gray1956.0Heading2097.0Flowering
Gypsum1857.0Heading2191.0Flowering
Hamilton1796.0Heading2133.0Flowering
Harper2290.0Watery Ripe2647.0Dough
Hays1857.0Heading2243.0Watery Ripe
Haysville 3SE2192.0Flowering2506.0Milk
Hiawatha1720.0Heading2095.0Flowering
Hill City1798.0Heading2197.0Flowering
Hodgeman1848.0Heading2294.0Watery Ripe
Hoisington 4S1900.0Heading2314.0Watery Ripe
Howard 14NW2098.0Flowering2502.0Milk
Hutchinson 10SW1934.0Heading2353.0Watery Ripe
Hutchinson 1NW GMD1934.0Heading2464.0Milk
Jewell1542.0Boot2237.0Watery Ripe
Kinsley 6S1910.0Heading2330.0Watery Ripe
La Crosse1742.0Heading2242.0Watery Ripe
Lake City2523.0Milk2579.0Milk
Lakin2040.0Flowering2190.0Flowering
Lane1796.0Heading2146.0Flowering
Larned 6SW2015.0Flowering2276.0Watery Ripe
Lebanon 2SW1720.0Heading2033.0Flowering
Leoti1621.0Heading2063.0Flowering
Little River 2W1957.0Heading2356.0Watery Ripe
Lorraine1890.0Heading2213.0Watery Ripe
Ludell 3N1575.0Boot2063.0Flowering
Manhattan1962.0Heading2390.0Watery Ripe
Mayetta 6W1725.0HeadingNewNew
McPherson 1S1974.0Heading2350.0Watery Ripe
Meade1970.0Heading2190.0Flowering
Miami2008.0Flowering2465.0Milk
Mitchell1842.0Heading2135.0Flowering
Moscow 10NW2143.0Flowering2319.0Watery Ripe
Mount Hope 3NE GMD2107.0Flowering2438.0Milk
Ness City1775.0Heading2230.0Watery Ripe
Norton 4SW1547.0Boot2056.0Flowering
Oberlin 7NE1598.0Boot2002.0Flowering
Olathe1995.0Heading2445.0Milk
Osborne1629.0Heading2191.0Flowering
Oskaloosa 1SE1858.0Heading2326.0Watery Ripe
Ottawa 2SE1925.0Heading2320.0Watery Ripe
Overbrook2085.0Flowering2424.0Milk
Parsons2178.0Flowering2580.0Milk
Phillipsburg 1SW1691.0Heading2099.0Flowering
Plainville 5N1715.0Heading2263.0Watery Ripe
Pretty Prairie GMD1934.0Heading2455.0Milk
Richfield2060.0Flowering2215.0Watery Ripe
Rock Springs2027.0Flowering2348.0Watery Ripe
Rocky Ford1823.0Heading2353.0Watery Ripe
Rossville 2SE1838.0Heading2324.0Watery Ripe
Roth Tech Farm1862.0Heading2099.0Flowering
Russell Springs 3SW1624.0Heading2048.0Flowering
Satanta2115.0Flowering2337.0Watery Ripe
Scandia1915.0Heading2055.0Flowering
Scott City 3SE1703.0Heading1966.0Heading
Sedan2325.0Watery Ripe2698.0Dough
Seguin 3E1736.0Heading1905.0Heading
Sherman1553.0Boot1865.0Heading
Silver Lake 4E2098.0Flowering2307.0Watery Ripe
Spearville2084.0Flowering2214.0Watery Ripe
St John 1NW2131.0Flowering2329.0Watery Ripe
Stanton2088.0Flowering2263.0Watery Ripe
Sublette 1E2307.0Watery Ripe2224.0Watery Ripe
Tribune1606.0Heading1992.0Heading
Tribune 6NE1620.0Heading1923.0Heading
Uniontown 3NW2111.0Flowering2571.0Milk
Viola2177.0Flowering2465.0Milk
WaKeeney1782.0Heading2241.0Watery Ripe
Wallace1675.0Heading1922.0Heading
Washington1733.0Heading2161.0Flowering
Welda 3E1996.0Heading2486.0Milk
Willis Tech Farm1862.0Heading2189.0Flowering
Woodson2074.0Flowering2525.0Milk
Zoom:
Calculate Growing Degrees for a custom date range. Using . To change station, select from "Change Station" dropdown above. Available dates start at station's period of record (2010 for our oldest stations) and continue until yesterday.
Start Date:
End Date:

Observed GDD:

Norm GDD:

Growing Degrees =     Daily Max Air Temp + Daily Min Air Temp   - 32
2
Negative values are set to 0