Iowa Environmental Mesonet

Iowa State University Department of Agronomy

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Based on the 1 minute AWOS data archive provided by the DOT, here is our best estimate for rainfall totals from the AWOS sites.

2006 Iowa AWOS Precipitation Report

Download this dataset: Gnumeric or MS Excel or CDF Text
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec MJJA Year
ADU 0.72 0.03 1.81 5.11 2.63 0.76 3.72 4.16 M 0.92 1.02 3.27 11.27 24.15
AIO 0.86 0 2.06 4.8 3.85 2.32 5.29 8.15 6.01 1.3 0.71 2.89 19.61 38.24
AWG 2.51 0.48 4.07 3.51 2.71 2.16 4.26 7.03 1.42 2.25 3.15 3.3 16.16 36.85
AXA 0.33 0.04 2.6 5.29 0.64 2.16 2.36 2.78 3.44 0.63 0.79 1.17 7.94 22.23
BNW 0.48 0.09 2.49 4.9 2.29 0 2.19 5.28 6.87 2.34 1.33 2.6 9.76 30.86
CAV 0.33 0.06 2.89 3.84 1.3 1.71 2.45 3.27 3.9 1.41 1.4 0.88 8.73 23.44
CBF 0.74 0.01 1.19 3.98 1.21 0.85 1.97 6.28 3.32 0.2 0.21 1.45 10.31 21.41
CCY 0.31 0 2.54 4.96 1.42 4.36 2.38 2.09 4.94 1.12 2.34 2.46 10.25 28.92
CIN 0.24 0.03 1.96 3.92 1.21 1.39 3.02 5.57 5.08 1.62 0.91 2.15 11.19 27.1
CKP 0.09 0.04 3.32 3.25 0.92 4.55 0.78 5.6 3.55 0.26 0.96 1.54 11.85 24.86
CNC 0.82 0.19 3.1 3.52 2.64 1.22 1.3 6.83 2.71 2.16 2.25 2.17 11.99 28.91
CSQ 0.72 0.01 2.85 5.27 2.33 1.78 2.16 7.54 2.78 1.91 1.5 2.16 13.81 31.01
DEH 0.48 0.01 1.42 3.41 2.04 3.16 0.75 2.04 2.36 0.65 1.38 1.37 7.99 19.07
DNS 0.45 0.02 2.22 4.84 2.5 0.32 2.26 6.42 2.77 0.21 0.47 2.09 11.5 24.57
EBS 0.19 0.02 0.53 3.55 1.57 1.31 1.62 3.46 5.08 1.69 1.61 2.74 7.96 23.37
EOK 2.38 0.38 3.43 3.03 1.27 3.13 1.83 3.49 0.99 1.94 3.21 1.39 9.72 26.47
FFL 2.49 0.3 3.21 2.22 1.76 2.33 3.88 4.09 1.56 2.54 2.84 2.34 12.06 29.56
FSW 3.32 0.19 3.76 4.48 0.48 1.63 1.5 2.22 1.23 2.5 2.81 1.83 5.83 25.95
GGI M M M M M M M M 2.7 1.38 1.54 1.68 0 7.3
HNR 1.02 0 1.63 3.8 2.49 1.12 4.09 6.02 3.65 1.15 0.28 2.42 13.72 27.67
ICL 0.01 0 2.37 4.04 2.45 2.75 2.45 4.96 3.67 2.75 1.79 3.25 12.61 30.49
IIB 0 0 0 0 0 0 0 0 0 0 0 0 0 0
IKV 0.37 0.01 3.62 4.84 1.24 0.57 5.41 2.36 0 0 0.37 0 9.58 18.79
LRJ 0.15 0.07 2.2 3.71 0.95 3.83 0.09 6.07 4.22 0.59 0.46 2.26 10.94 24.6
MPZ 0 0 0 0 0 0 0 0 0 0 0 0 0 0
MUT 3.42 0.42 4.4 4.08 1.05 2.05 2.91 4.74 1.01 2.4 2.59 2.94 10.75 32.01
MXO 0 0 0 0 0 1.67 5.47 3.41 3.26 0 0 0 10.55 13.81
OLZ 1.22 0.04 3.31 3.71 1.67 3.38 4.25 2.75 5.17 1.7 2.23 1.7 12.05 31.13
OOA 0.96 0.18 4.03 3.07 1.92 0.97 2.38 4.44 2.33 2.67 2.46 1.8 9.71 27.21
ORC 0.47 0.06 2.08 5.1 0.9 2.57 0.21 4.59 5.76 0.41 0.39 1.5 8.27 24.04
OXV 0.89 0.05 3.27 3.05 1.78 1.15 2.86 5.1 M 1.94 0 0 10.89 20.09
PEA 0 0 0 0 0 0 0 0 0 0 0 0 0 0
RDK 0.08 0.03 1.88 3.75 3.24 2.53 2.21 6.28 3.49 2.12 0.65 2.99 14.26 29.25
SDA 0.99 0 1.93 3.91 1.82 2.22 1.78 5.92 4.53 2.51 0.79 2.47 11.74 28.87
SHL 0.36 0.08 1.89 5.9 0.95 3.12 0.41 5.44 3.29 0.31 0.02 0.02 9.92 21.79
SLB 0.62 0.04 3.78 4.44 0.72 1.14 0.4 5.36 5.38 0.62 1.1 1.79 7.62 25.39
TNU 0.68 0.02 4.11 3.71 1.94 0.84 3.89 4.69 4.09 1.67 1.3 1.55 11.36 28.49
VTI 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Known Issues:

  • These numbers are not official and there is missing data in this dataset.
  • Vinton (VTI), Pella (PEA), Mount Pleasant (MPZ), and Independence (IIB) do not have a precipitation sensor, so their totals are 0.
  • A precip sensor was added to Monticello (MXO) in June.
  • Precipitation amounts during the cold season are not accurate.