IEM "Climodat" Reports

These "Climodat" reports provide some answers to the most common climatological questions we get routinely asked. Here are some important notes about the products presented on this page.

  1. These reports are based on the daily climate observations from the NWS COOP network. Some quality control is done and estimating is done to create a complete time series without missing data. You can download the daily data.
  2. There is a station monitor app that allows you to see current summarized statistics for a station collection of your choice.
  3. The Automated Data Plotting application on this website contains charts and downloadable datasets that may interest you.

Data is available from the following states:

Select Climate Station:Select Report:

or Select from map

Download This Report Download This Report as Excel View This Report in Autoplot App

# IEM Climodat https://mesonet.agron.iastate.edu/climodat/
# Report Generated: 17 Apr 2024
# Climate Record: 1895-01-01 -> 2024-04-17
# Site Information: [IATALO] Waterloo Area
# Contact Information: Daryl Herzmann akrherz@iastate.edu 515.294.5978
# DAILY RECORD HIGHS AND LOWS OCCURRING DURING 1895-2024 FOR STATION NUMBER  IATALO
     JAN     FEB     MAR     APR     MAY     JUN     JUL     AUG     SEP     OCT     NOV     DEC
 DY  MX  MN  MX  MN  MX  MN  MX  MN  MX  MN  MX  MN  MX  MN  MX  MN  MX  MN  MX  MN  MX  MN  MX  MN
  1  61 -21  57 -30  67 -34  88  15  93  27 101  33 102  45 101  46 100  36  93  23  83  13  63  -5
  2  50 -21  59 -31  71 -15  83  13  91  24 106  40 100  45 101  44 100  38  93  19  77  10  65 -16
  3  51 -21  54 -31  80 -19  81   9  91  22  93  38  98  45 105  44 101  36  95  26  76   9  67 -18
  4  49 -28  55 -25  70 -12  82   4  93  22  96  36 109  43 101  45 101  34  89  22  74   4  67  -7
  5  59 -26  57 -27  70 -15  84   9  92  29  99  39 108  45 104  44  98  37  93  24  76   1  67 -16
  6  52 -26  56 -19  72 -11  88  -4  99  28  98  39 105  47  99  45 102  35  95  18  79   5  60 -14
  7  59 -27  52 -21  79 -19  80  12  90  25  98  37 104  42  99  46 102  37  90  24  78  -1  57 -19
  8  60 -25  64 -27  75  -9  87   9  90  28 102  38 102  46 100  43  99  35  84  21  80   3  65 -18
  9  58 -27  57 -27  69 -12  81  11  95  25  96  39 104  44 102  41  99  35  88  19  75  12  61 -16
 10  55 -27  57 -22  69  -9  92  17  93  29 101  39 106  45  97  44  98  35  89  18  76   9  60 -29
 11  51 -26  58 -25  77 -18  87  16  93  27  96  43 106  46  99  43  98  32  90  16  71   0  61 -18
 12  50 -32  63 -22  75 -13  88  18  94  30  94  37 110  46 102  45  97  32  95  22  68   0  58 -15
 13  56 -32  55 -27  74 -11  86  18  91  30 100  40 112  43  95  41  97  31  90  15  79  -1  57 -26
 14  54 -26  62 -20  77 -10  90  18  96  28  99  40 112  44 101  39  98  30  90  20  72  -3  57 -21
 15  56 -28  71 -22  79  -5  91  15  92  32  95  39 106  44 104  42 100  30  85  21  70  -1  74 -21
 16  51 -34  62 -19  82  -8  88  19  92  30  97  43 103  48 105  43  97  31  86  22  71   0  63 -20
 17  54 -28  69 -18  82  -4  85  14  94  32 100  40 105  48 105  46  95  32  84  21  74  -3  58 -16
 18  53 -28  64 -19  81  -2  92  20  98  32  98  44 102  49 110  43  93  28  87  18  73   1  57 -23
 19  50 -28  67 -23  80 -17  87  20  98  29  98  43 104  47 100  42  95  32  83  14  71   1  52 -25
 20  50 -33  60 -25  75   2  89  21  97  31 103  44 104  47 101  33  96  27  87  17  72   0  53 -20
 21  54 -31  65 -17  83  -5  93  20  93  33 103  41 106  46 100  39  93  27  86  13  73  -5  56 -27
 22  60 -33  69 -16  77   5 100  20 101  32  98  40 104  45  99  40  94  26  87  14  66  -4  55 -23
 23  53 -27  63 -12  86   0  89  19  93  31 103  42 103  46 105  43  92  28  86  17  63  -4  52 -25
 24  58 -29  62 -16  79  -5  90  20  94  34 102  43 107  49 103  41  91  29  81  19  66  -2  57 -27
 25  61 -29  65 -19  83   3  90  21  92  29 104  42 104  46  98  39  92  27  86  19  72  -9  59 -29
 26  65 -25  78 -14  86   4  85  23  94  33 105  40 109  46  97  40  88  26  86  16  67 -17  55 -28
 27  60 -23  67 -24  83  -5  89  24  97  32 107  43 102  45  96  41  89  28  85  15  67  -6  53 -28
 28  53 -29  61 -29  81   3  89  25  95  32 107  42 103  45  98  39  93  21  78   6  63  -9  62 -22
 29  54 -26  60  -8  87   4  92  25 101  29 105  44 104  44  98  37  91  22  85   6  69  -8  53 -23
 30  55 -29 *** ***  84   1  90  26 100  35 103  45 103  45  96  34  94  19  82   0  65  -9  60 -19
 31  57 -31 *** ***  82   6 *** *** 108  32 *** *** 105  43  99  36 *** ***  83  15 *** ***  59 -23