Iowa Environmental Mesonet

Iowa State University Department of Agronomy

Over 1 billion observations collected

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.

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

# 2008 Growing Degree Days (base=50) (May 01 - Oct 01)
# Download From: http://mesonet.agron.iastate.edu/GIS/apps/coop/gsplot.phtml
# Download Date: 15 Mar 2010
# Data Contact: Daryl Herzmann akrherz@iastate.edu 515.294.5978
#-----------------------snip------------------
        ID,         StationName,  Latitude, Longitude,     gdd50
    ia0112,ALBIA               ,   41.0300,  -92.8000,      2654
    ia0133,ALGONA              ,   43.0700,  -94.3000,      2424
    ia0157,ALLISON             ,   42.7500,  -92.7800,      2603
    ia0200,AMES-8-WSW          ,   42.0300,  -93.8000,      2762
    ia0213,ANAMOSA-1-WNW       ,   42.1200,  -91.3000,      2499
    ia0241,ANKENY-3-S          ,   41.6800,  -93.6000,      2822
    ia0364,ATLANTIC-1-NE       ,   41.4200,  -95.0000,      2904
    ia0385,AUDUBON             ,   41.7200,  -94.9300,      2569
    ia0576,BEDFORD-1-NNW       ,   40.6800,  -94.7200,      2839
    ia0600,BELLE-PLAINE        ,   41.8800,  -92.2700,      2581
    ia0608,BELLEVUE-L-AND-D-12 ,   42.2700,  -90.4200,      2645
    ia0753,BLOOMFIELD          ,   40.7500,  -92.4300,      2793
    ia0807,Boone               ,   42.0417,  -93.8906,      2533
    ia0923,BRITT               ,   43.0700,  -93.8000,      2441
    ia1063,Burlington          ,   40.7808,  -91.1192,      3017
    ia1233,CARROLL-2-SSW       ,   42.0700,  -94.8500,      2676
    ia1257,CASCADE             ,   42.3000,  -91.0200,      2488
    ia1277,CASTANA-EXP-FARM    ,   42.0700,  -95.8200,      2684
    ia1319,CEDAR-RAPIDS-1      ,   42.0300,  -91.5800,      2854
    ia1354,CENTERVILLE         ,   40.7200,  -92.8700,      2803
    ia1394,CHARITON            ,   41.0000,  -93.3200,      2564
    ia1402,CHARLES-CITY        ,   43.0500,  -92.6700,      2502
    ia1442,CHEROKEE            ,   42.7500,  -95.5300,      2575
    ia1533,CLARINDA            ,   40.7200,  -95.0300,      2748
    ia1541,CLARION             ,   42.7300,  -93.7500,      2573
    ia1635,CLINTON-1           ,   41.8000,  -90.2700,      2839
    ia1833,CORNING             ,   41.0000,  -94.7500,      2750
    ia1954,CRESCO-1-NE         ,   43.3800,  -92.1000,      2301
    ia1962,Creston             ,   41.0372,  -94.3942,      2732
    ia2110,DECORAH-2-N         ,   43.3200,  -91.7800,      2549
    ia2171,DENISON             ,   42.0300,  -95.3300,      2743
    ia2203,Des Moines Airport  ,   41.5300,  -93.6500,      2940
    ia2364,DUBUQUE-LOCK-AND-DAM,   42.5300,  -90.6500,      2826
    ia2573,Eldora              ,   42.3619,  -93.0989,      2621
    ia2689,EMMETSBURG          ,   43.1000,  -94.6800,      2516
    ia2724,ESTHERVILLE-2-N     ,   43.4200,  -94.8300,      2390
    ia2789,FAIRFIELD           ,   41.0300,  -91.9500,      2919
    ia2864,FAYETTE             ,   42.8300,  -91.8000,      2447
    ia2977,FOREST-CITY         ,   43.2800,  -93.6300,      2413
    ia2999,FORT-DODGE          ,   42.5000,  -94.2000,      2547
    ia3007,FORT-MADISON        ,   40.6100,  -91.3300,      3091
    ia3290,GLENWOOD            ,   41.0000,  -95.7700,      2922
    ia3438,GREENFIELD          ,   41.3000,  -94.4700,      2912
    ia3473,GRINNELL-3-SW       ,   41.7200,  -92.7300,      2498
    ia3487,GRUNDY-CENTER       ,   42.3700,  -92.7800,      2545
    ia3509,GUTHRIE-CENTER      ,   41.6800,  -94.5000,      2666
    ia3517,GUTTENBERG-L-AND-D-10,   42.7800,  -91.1000,      2773
    ia3584,HAMPTON-2-NW        ,   42.7500,  -93.2000,      2588
    ia3632,HARLAN              ,   41.6500,  -95.3200,      2733
    ia3718,HAWARDEN            ,   43.0000,  -96.4800,      2639
    ia3980,HUMBOLDT-2          ,   42.6800,  -94.2000,      2455
    ia4049,INDEPENDENCE-2-W    ,   42.4800,  -91.8200,      2597
    ia4063,INDIANOLA-2-SSW     ,   41.3700,  -93.5500,      2705
    ia4101,IOWA-CITY           ,   41.6500,  -91.5300,      3007
    ia4142,IOWA-FALLS          ,   42.5300,  -93.2700,      2509
    ia4228,JEFFERSON           ,   42.0200,  -94.3800,      2655
    ia4381,KEOKUK LOCK DAM 19  ,   40.3800,  -91.3700,      3053
    ia4389,KEOSAUQUA           ,   40.7200,  -91.9700,      3040
    ia4502,KNOXVILLE           ,   41.3200,  -93.1300,      2743
    ia4585,Lamoni              ,   40.6233,  -93.9508,      2885
    ia4705,Le Claire L&D 14    ,   41.5697,  -90.3956,      2923
    ia4735,LEMARS              ,   42.8000,  -96.1700,      2631
    ia4894,LOGAN               ,   41.6300,  -95.8000,      2844
    ia5086,MANCHESTER-2        ,   42.4700,  -91.4500,      2476
    ia5131,MAQUOKETA-2-W       ,   42.0700,  -90.7000,      2462
    ia5198,MARSHALLTOWN        ,   42.0700,  -92.9300,      2608
    ia5230,MASON-CITY          ,   43.1500,  -93.2000,      2445
    ia5769,MOUNT-AYR           ,   40.7000,  -94.2500,      2754
    ia5796,MOUNT-PLEASANT      ,   40.9500,  -91.5500,      2978
    ia5837,MUSCATINE           ,   41.4000,  -91.0700,      2995
    ia5952,NEW-HAMPTON         ,   43.0500,  -92.3200,      2314
    ia5992,NEWTON              ,   41.7000,  -93.0500,      2706
    ia6103,NORTHWOOD           ,   43.4500,  -93.2200,      2218
    ia6151,OAKLAND-2-E         ,   41.3200,  -95.3800,      2826
    ia6200,OELWEIN-2-S         ,   42.6500,  -91.9200,      2449
    ia6243,ONAWA               ,   42.0200,  -96.1000,      2771
    ia6305,OSAGE               ,   43.2800,  -92.8000,      2436
    ia6316,OSCEOLA-3-WSW       ,   41.0194,  -93.7502,      2751
    ia6327,OSKALOOSA           ,   41.3200,  -92.6500,      2721
    ia6389,Ottumwa             ,   41.1078,  -92.4467,      2735
    ia6566,PERRY               ,   41.8300,  -94.1200,      2684
    ia6719,POCAHONTAS          ,   42.7000,  -94.6700,      2684
    ia6800,PRIMGHAR            ,   43.0800,  -95.6300,      2775
    ia6940,RED-OAK             ,   41.0000,  -95.2300,      2977
    ia7147,ROCK-RAPIDS         ,   43.4300,  -96.1700,      2590
    ia7161,ROCKWELL-CITY       ,   42.4000,  -94.6200,      2513
    ia7312,SAC-CITY            ,   42.4300,  -95.0000,      2524
    ia7594,Sheldon             ,   43.1808,  -95.8528,      2412
    ia7613,SHENANDOAH-1-NE     ,   40.7800,  -95.3500,      3137
    ia7664,SIBLEY-5-NNE        ,   43.4500,  -95.7200,      2362
    ia7669,SIDNEY              ,   40.7500,  -95.6500,      2984
    ia7678,SIGOURNEY           ,   41.3300,  -92.2000,      2689
    ia7708,SIOUX-CITY-WSO-AP   ,   42.4000,  -96.3800,      2782
    ia7726,SIOUX-RAPIDS        ,   42.8800,  -95.1500,      2544
    ia7979,STORM-LAKE-2-E      ,   42.6300,  -95.1800,      2675
    ia8266,TIPTON              ,   41.7800,  -91.1200,      2793
    ia8296,TOLEDO              ,   41.9800,  -92.5800,      2516
    ia8339,TRIPOLI-4-N         ,   42.8200,  -92.2500,      2497
    ia8568,VINTON              ,   42.1700,  -92.0000,      2789
    ia8688,WASHINGTON          ,   41.2800,  -91.6800,      2731
    ia8706,WATERLOO            ,   42.5500,  -92.4000,      2660
    ia8755,WAUKON              ,   43.2700,  -91.4800,      2348
    ia8806,WEBSTER-CITY        ,   42.4700,  -93.8000,      2568
    ia9067,WILLIAMSBURG        ,   41.6700,  -92.0200,      2642
    ia9132,WINTERSET           ,   41.3300,  -94.0000,      2570
    ia0000,Iowa Average        ,   41.7500,  -93.2500,      2746

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.