Iowa Environmental Mesonet

Iowa State University Department of Agronomy

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NWS COOP   >   Growing Season Data

With this application, you can total a parameter of your choice over a duration of your choice. The resulting data is presented graphically as well as textually for use in a GIS. Data is updated through a couple of months ago.

Growing Season Charts

Select Parameter: Year Month Day

Plot

Open this plot in a new window for comparison with other plots. Once the image is loaded up in another window, you can modify this plots parameters.

*Note: Only a sub-sample of stations are plotted on the map due to space restrictions.

Data Listing

# 2004 Growing Degree Days (base=50) (May 01 - Oct 01)
# Download From: http://mesonet.agron.iastate.edu/GIS/apps/coop/gsplot.phtml
# Download Date: 04 Jul 2008
# Data Contact: Daryl Herzmann akrherz@iastate.edu 515.294.5978
#-----------------------snip------------------
        ID,         StationName,  Latitude, Longitude,     gdd50
    ia3584,HAMPTON-2-NW        ,   42.7500,  -93.2000,      2450
    ia3517,GUTTENBERG-L-AND-D-10,   42.7800,  -91.1000,      2752
    ia3509,GUTHRIE-CENTER      ,   41.6800,  -94.5000,      2615
    ia3487,GRUNDY-CENTER       ,   42.3700,  -92.7800,      2481
    ia3473,GRINNELL-3-SW       ,   41.7200,  -92.7300,      2473
    ia3438,GREENFIELD          ,   41.3000,  -94.4700,      2861
    ia3290,GLENWOOD            ,   41.0000,  -95.7700,      2884
    ia2367,Dubuque Wso Ap      ,   42.3978,  -90.7036,      2415
    ia2364,DUBUQUE-LOCK-AND-DAM,   42.5300,  -90.6500,      2710
    ia2209,Des Moines Wsfo Johnston,   41.7367,  -93.7239,      2662
    ia2171,DENISON             ,   42.0300,  -95.3300,      2625
    ia2110,DECORAH-2-N         ,   43.3200,  -91.7800,      2581
    ia1962,Creston 2 Sw        ,   41.0372,  -94.3942,      2603
    ia1954,CRESCO-1-NE         ,   43.3800,  -92.1000,      2261
    ia1833,CORNING             ,   41.0000,  -94.7500,      2636
    ia1731,COLUMBUS-JCT-2-SSW  ,   41.2500,  -91.3700,      2921
    ia1710,Colo                ,   42.0169,  -93.3189,      2570
    ia0149,Allerton            ,   40.7036,  -93.3633,      2513
    ia1635,CLINTON-1           ,   41.8000,  -90.2700,      2788
    ia1541,CLARION             ,   42.7300,  -93.7500,      2519
    ia1533,CLARINDA            ,   40.7200,  -95.0300,      2676
    ia1442,CHEROKEE            ,   42.7500,  -95.5300,      2540
    ia1402,CHARLES-CITY        ,   43.0500,  -92.6700,      2559
    ia1394,CHARITON            ,   41.0000,  -93.3200,      2600
    ia1354,CENTERVILLE         ,   40.7200,  -92.8700,      2731
    ia1319,CEDAR-RAPIDS-1      ,   42.0300,  -91.5800,      2823
    ia1314,Cedar Rapids Ap     ,   41.8844,  -91.7086,      2559
    ia1277,CASTANA-EXP-FARM    ,   42.0700,  -95.8200,      2597
    ia1257,CASCADE             ,   42.3000,  -91.0200,      2480
    ia1233,CARROLL-2-SSW       ,   42.0700,  -94.8500,      2597
    ia1063,Burlington Airport  ,   40.7808,  -91.1192,      3022
    ia1060,Burlington Radio Kbur,   40.8167,  -91.1667,      2875
    ia0923,BRITT               ,   43.0700,  -93.8000,      2331
    ia0753,BLOOMFIELD          ,   40.7500,  -92.4300,      2707
    ia0608,BELLEVUE-L-AND-D-12 ,   42.2700,  -90.4200,      2576
    ia0600,BELLE-PLAINE        ,   41.8800,  -92.2700,      2533
    ia0576,BEDFORD-1-NNW       ,   40.6800,  -94.7200,      2700
    ia0536,Beaconsfield        ,   40.8236,  -94.0475,      2543
    ia0385,AUDUBON             ,   41.7200,  -94.9300,      2461
    ia0364,ATLANTIC-1-NE       ,   41.4200,  -95.0000,      2785
    ia0241,ANKENY-3-S          ,   41.6800,  -93.6000,      2727
    ia0213,ANAMOSA-1-WNW       ,   42.1200,  -91.3000,      2481
    ia0200,AMES-8-WSW          ,   42.0300,  -93.8000,      2726
    ia0157,ALLISON             ,   42.7500,  -92.7800,      2619
    ia0133,ALGONA              ,   43.0700,  -94.3000,      2275
    ia0112,ALBIA               ,   41.0300,  -92.8000,      2598
    ia5198,MARSHALLTOWN        ,   42.0700,  -92.9300,      2537
    ia5131,MAQUOKETA-2-W       ,   42.0700,  -90.7000,      2390
    ia5123,Mapleton No.2       ,   42.1667,  -95.7869,      2638
    ia5086,MANCHESTER-2        ,   42.4700,  -91.4500,      2439
    ia4894,LOGAN               ,   41.6300,  -95.8000,      2756
    ia4758,Leon 6 Ese          ,   40.7244,  -93.6453,      2625
    ia4735,LEMARS              ,   42.8000,  -96.1700,      2507
    ia4705,Le Claire L&D 14    ,   41.5697,  -90.3956,      2802
    ia4585,Lamoni              ,   40.6233,  -93.9508,      2814
    ia4561,Lake Park           ,   43.4483,  -95.3247,      2213
    ia4502,KNOXVILLE           ,   41.3200,  -93.1300,      2773
    ia4389,KEOSAUQUA           ,   40.7200,  -91.9700,      3061
    ia4381,KEOKUK LOCK DAM 19  ,   40.3800,  -91.3700,      3009
    ia4228,JEFFERSON           ,   42.0200,  -94.3800,      2642
    ia4142,IOWA-FALLS          ,   42.5300,  -93.2700,      2434
    ia4101,IOWA-CITY           ,   41.6500,  -91.5300,      2957
    ia4063,INDIANOLA-2-SSW     ,   41.3700,  -93.5500,      2640
    ia4049,INDEPENDENCE-2-W    ,   42.4800,  -91.8200,      2417
    ia4038,IDA-GROVE           ,   42.3500,  -95.4800,      2593
    ia3980,HUMBOLDT-2          ,   42.6800,  -94.2000,      2367
    ia3718,HAWARDEN            ,   43.0000,  -96.4800,      2470
    ia3632,HARLAN              ,   41.6500,  -95.3200,      2600
    ia6200,OELWEIN-2-S         ,   42.6500,  -91.9200,      2436
    ia6151,OAKLAND-2-E         ,   41.3200,  -95.3800,      2633
    ia6103,NORTHWOOD           ,   43.4500,  -93.2200,      2160
    ia5992,NEWTON              ,   41.7000,  -93.0500,      2619
    ia8693,Washta              ,   42.5750,  -95.7153,      2490
    ia9132,WINTERSET           ,   41.3300,  -94.0000,      2527
    ia9067,WILLIAMSBURG        ,   41.6700,  -92.0200,      2554
    ia8806,WEBSTER-CITY        ,   42.4700,  -93.8000,      2462
    ia8755,WAUKON              ,   43.2700,  -91.4800,      2293
    ia8706,WATERLOO            ,   42.5500,  -92.4000,      2614
    ia8688,WASHINGTON          ,   41.2800,  -91.6800,      2715
    ia8568,VINTON              ,   42.1700,  -92.0000,      2668
    ia8339,TRIPOLI-4-N         ,   42.8200,  -92.2500,      2476
    ia8296,TOLEDO              ,   41.9800,  -92.5800,      2468
    ia8266,TIPTON              ,   41.7800,  -91.1200,      2456
    ia8026,Swea City 4w        ,   43.4022,  -94.3831,      2296
    ia7979,STORM-LAKE-2-E      ,   42.6300,  -95.1800,      2535
    ia7726,SIOUX-RAPIDS        ,   42.8800,  -95.1500,      2458
    ia7708,SIOUX-CITY-WSO-AP   ,   42.4000,  -96.3800,      2707
    ia7700,Sioux Center 2 Se   ,   43.0558,  -96.1525,      2691
    ia7678,SIGOURNEY           ,   41.3300,  -92.2000,      2602
    ia7669,SIDNEY              ,   40.7500,  -95.6500,      2836
    ia7664,SIBLEY-5-NNE        ,   43.4500,  -95.7200,      2221
    ia7613,SHENANDOAH-1-NE     ,   40.7800,  -95.3500,      3041
    ia7594,Sheldon             ,   43.1808,  -95.8528,      2418
    ia7386,Sanborn             ,   43.1792,  -95.6603,      2298
    ia7312,SAC-CITY            ,   42.4300,  -95.0000,      2508
    ia7161,ROCKWELL-CITY       ,   42.4000,  -94.6200,      2430
    ia7147,ROCK-RAPIDS         ,   43.4300,  -96.1700,      2481
    ia6940,RED-OAK             ,   41.0000,  -95.2300,      2857
    ia6910,Rathbun Dam         ,   40.8250,  -92.8925,      2721
    ia6800,PRIMGHAR            ,   43.0800,  -95.6300,      2478
    ia6719,POCAHONTAS          ,   42.7000,  -94.6700,      2575
    ia6566,PERRY               ,   41.8300,  -94.1200,      2623
    ia6389,Ottumwa Industrial Ap,   41.1078,  -92.4467,      2696
    ia6327,OSKALOOSA           ,   41.3200,  -92.6500,      2645
    ia6316,OSCEOLA-3-WSW       ,   41.0194,  -93.7502,      2679
    ia6305,OSAGE               ,   43.2800,  -92.8000,      2325
    ia6243,ONAWA               ,   42.0200,  -96.1000,      2943
    ia5952,NEW-HAMPTON         ,   43.0500,  -92.3200,      2438
    ia5837,MUSCATINE           ,   41.4000,  -91.0700,      2964
    ia5796,MOUNT-PLEASANT      ,   40.9500,  -91.5500,      2930
    ia5769,MOUNT-AYR           ,   40.7000,  -94.2500,      2760
    ia5493,MILFORD-4-NW        ,   43.3800,  -95.1800,      2436
    ia5235,Mason City Muni Ap  ,   43.1544,  -93.3269,      2298
    ia5230,MASON-CITY          ,   43.1500,  -93.2000,      2298
    ia5200,Marshalltown 4 Se   ,   42.0089,  -92.8522,      2539
    ia3007,FORT-MADISON        ,   40.6100,  -91.3300,      3084
    ia2999,FORT-DODGE          ,   42.5000,  -94.2000,      2484
    ia2977,FOREST-CITY         ,   43.2800,  -93.6300,      2401
    ia2864,FAYETTE             ,   42.8300,  -91.8000,      2280
    ia2789,FAIRFIELD           ,   41.0300,  -91.9500,      2980
    ia2724,ESTHERVILLE-2-N     ,   43.4200,  -94.8300,      2295
    ia2689,EMMETSBURG          ,   43.1000,  -94.6800,      2624
    ia2603,Elkader 6 Ssw       ,   42.7753,  -91.4536,      2471
    ia2573,Eldora              ,   42.3619,  -93.0989,      2554
    ia2203,Des Moines Ap       ,   41.5339,  -93.6531,      2846
    ia0807,Boone               ,   42.0417,  -93.8906,      2605

You should be able to 'copy & paste' this raw data listing into a simple text editor and save the data file on your machine. Most GIS systems can then import this dataset as a layer. You may have to omit the commented lines (#) if your GIS has trouble importing the data.