Climate Analysis Branch
We would greatly appreciate feedback on this webpage's use, particularly in the classroom, for presentations or for research. Please email Cathy Smith.
Climate Division Plots
Help
How to read file used in plot.
How to reference plots
RSS: Dataset updates RSS (Info)
Climate Division Information
Get data and more info from NCDC.
Get climate division boundaries, Divisional Areas and other useful files from NCDC.
US Map with list of map climate divisions and individual state maps of the climate divisions (with counties).
Get State averaged temperature and precipitation climatologies.
Related Pages
Atmospheric and Ocean Time series (SOI, PNA, etc.).
Get timeseries from climate division dataset and other datasets.
Plot maps and time series at one climate division (from NCDC). Choose "map interface to selected online data". Under select products, choose "divisional data".
Current PSD (Web/Data Status). PSD has undergone major URL restructuring so that all URLs start with http://www.esrl.noaa.gov/psd/ (More Info). OPeNDAP Data access is now open without IP restrictions.
 

Total Precipitation in inches by month for climate divisions

Climatology by state based on climate division data: 1971-2000

State Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total
Alabama 5.91 5.18 6.65 4.77 4.69 4.59 5.39 3.90 4.26 3.16 4.79 5.01 58.28
Arizona 1.30 1.25 1.35 0.54 0.42 0.31 1.74 2.09 1.30 1.20 0.97 1.13 13.61
Arkansas 3.65 3.61 4.93 4.82 5.20 4.31 3.52 2.87 3.72 4.08 5.34 4.72 50.78
California 4.14 3.95 3.55 1.40 0.83 0.32 0.19 0.30 0.58 1.20 2.63 3.11 22.20
Colorado 0.79 0.75 1.29 1.47 1.92 1.44 2.01 1.95 1.35 1.20 1.03 0.77 15.97
Connecticut 4.30 3.23 4.42 4.30 4.33 4.05 4.19 4.39 4.36 4.31 4.42 4.08 50.39
Delaware 3.92 3.10 4.34 3.51 4.18 3.52 4.05 4.63 4.19 3.38 3.31 3.55 45.68
Florida 3.61 3.17 4.13 2.84 3.92 6.94 7.19 7.26 6.39 3.46 2.88 2.76 54.57
Georgia 5.20 4.49 5.28 3.62 3.58 4.44 5.05 4.66 3.89 3.01 3.55 3.94 50.72
Idaho 2.12 1.72 1.73 1.56 1.97 1.51 0.92 0.84 1.08 1.30 2.07 2.14 18.96
Illinois 1.97 1.99 3.22 3.83 4.31 4.12 3.94 3.69 3.24 2.87 3.41 2.74 39.32
Indiana 2.44 2.31 3.40 3.96 4.47 4.25 4.20 3.88 3.18 2.92 3.62 3.09 41.72
Iowa 0.95 0.98 2.20 3.33 4.23 4.62 4.27 4.18 3.40 2.51 2.13 1.24 34.05
Kansas 0.77 0.91 2.25 2.59 4.18 3.88 3.61 3.16 2.68 2.18 1.73 0.98 28.92
Kentucky 3.77 3.77 4.60 4.19 5.05 4.34 4.47 3.71 3.49 3.13 4.09 4.38 48.98
Louisiana 5.91 4.66 5.32 4.89 5.46 5.20 5.15 4.47 4.55 4.05 5.06 5.38 60.09
Maine 3.46 2.52 3.37 3.46 3.64 3.77 3.74 3.61 3.68 3.70 3.82 3.51 42.28
Maryland 3.66 3.03 4.09 3.43 4.27 3.80 4.11 4.01 4.04 3.38 3.41 3.41 44.64
Massachusetts 4.17 3.34 4.16 4.11 3.91 3.84 3.83 4.02 3.94 4.16 4.35 4.05 47.88
Michigan 2.02 1.45 2.22 2.69 2.94 3.23 3.15 3.58 3.65 2.85 2.77 2.28 32.84
Minnesota 0.86 0.64 1.45 2.06 3.06 4.17 3.95 3.69 2.91 2.29 1.58 0.77 27.44
Mississippi 5.92 4.96 6.30 5.61 5.39 4.47 4.80 3.67 3.81 3.45 5.19 5.64 59.23
Missouri 1.95 2.15 3.51 4.04 4.82 4.26 3.96 3.58 3.97 3.36 3.82 2.81 42.23
Montana 0.80 0.60 0.90 1.30 2.34 2.40 1.65 1.35 1.33 1.05 0.86 0.80 15.37
Nebraska 0.51 0.60 1.66 2.38 3.75 3.45 3.27 2.63 2.10 1.56 1.16 0.57 23.63
Nevada 0.96 0.92 1.09 0.76 1.01 0.63 0.51 0.63 0.71 0.75 0.81 0.76 9.54
New Hampshire 3.42 2.62 3.37 3.50 3.76 3.85 3.94 3.97 3.66 3.95 3.93 3.44 43.42
New Jersey 3.94 2.96 4.18 3.93 4.28 3.77 4.46 4.57 4.14 3.51 3.70 3.71 47.15
New Mexico 0.67 0.60 0.71 0.63 1.11 1.23 2.27 2.64 1.82 1.34 0.83 0.78 14.63
New York 2.99 2.41 3.12 3.42 3.68 4.00 3.81 3.86 4.14 3.48 3.74 3.24 41.90
North Carolina 4.51 3.71 4.67 3.47 4.28 4.40 5.04 4.97 4.78 3.61 3.45 3.57 50.45
North Dakota 0.50 0.45 0.80 1.40 2.31 3.19 2.75 2.10 1.74 1.41 0.73 0.44 17.82
Ohio 2.51 2.27 3.06 3.47 4.06 4.10 4.09 3.77 3.10 2.62 3.16 2.93 39.16
Oklahoma 1.48 1.78 3.07 3.32 5.13 4.24 2.73 2.75 3.80 3.39 2.79 2.05 36.55
Oregon 3.79 3.16 2.93 2.18 1.88 1.27 0.62 0.73 1.07 1.90 3.97 4.06 27.55
Pennsylvania 3.04 2.58 3.41 3.55 4.07 4.45 4.15 3.78 4.08 3.18 3.58 3.16 43.02
Rhode Island 4.45 3.63 4.65 4.32 3.72 3.52 3.20 3.99 3.80 3.79 4.55 4.36 47.98
South Carolina 4.70 3.79 4.64 3.16 3.69 4.72 5.05 5.29 4.51 3.42 3.21 3.67 49.84
South Dakota 0.45 0.53 1.30 2.11 3.10 3.24 2.75 2.13 1.66 1.62 0.82 0.44 20.14
Tennessee 4.65 4.31 5.60 4.51 5.33 4.48 4.67 3.52 3.88 3.32 4.77 5.18 54.22
Texas 1.59 1.67 1.85 2.14 3.52 3.35 2.22 2.54 3.19 2.95 2.02 1.84 28.87
Utah 1.05 0.99 1.21 1.07 1.20 0.64 0.88 1.01 1.07 1.30 0.99 0.82 12.26
Vermont 3.11 2.33 3.07 3.28 3.84 3.93 4.21 4.49 3.97 3.67 3.73 3.19 42.82
Virginia 3.64 3.13 4.04 3.42 4.26 3.79 4.34 3.84 4.00 3.50 3.29 3.15 44.39
Washington 5.38 4.37 3.76 2.71 2.23 1.77 1.02 1.05 1.65 3.05 5.85 5.93 38.78
West Virginia 3.46 3.11 3.97 3.62 4.57 4.23 4.75 4.13 3.51 3.05 3.46 3.43 45.30
Wisconsin 1.22 1.00 1.96 2.86 3.37 4.02 4.07 4.27 3.74 2.50 2.29 1.35 32.64
Wyoming 0.63 0.57 0.86 1.36 2.06 1.58 1.33 1.02 1.14 1.04 0.76 0.62 12.97

Calculated at NOAA-CIRES PSD based on data obtained from NCDC