IOWA

                MONTHLY AVERAGE NUMBER OF DAYS MAXIMUM TEMPERATURE GREATER THAN OR EQUAL TO 90 DEGREES F

                          |  PERIOD   |
                          | OF RECORD |   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP   OCT   NOV   DEC    YEAR

ALBIA 3 NNE               | 1948-2010 |     0     0     0     0     0     4    10     7     2     0     0     0      24
ALBIA PASTURE IMP FARM    | 1956-1972 |     0     0     0     0     0     5     8     8     2     0     0     0      23
ALGONA 3 W                | 1893-2010 |     0     0     0     0     1     4     7     4     2     0     0     0      18
ALLISON                   | 1948-2010 |     0     0     0     0     1     4     7     4     1     0     0     0      17
ALTA                      | 1948-1959 |     0     0     0     0     0     4     6     5     2     0     0     0      17
AMES 8 WSW                | 1964-2010 |     0     0     0     0     0     3     7     4     1     0     0     0      16
AMES 5 SE                 | 1978-2010 |     0     0     0     0     0     3     6     3     1     0     0     0      14
AMES 3 SW                 | 1893-1964 |     0     0     0     0     1     5    10     7     3     0     0     0      25
ANAMOSA 1 NW              | 1948-2010 |     0     0     0     0     0     3     6     4     1     0     0     0      16
ANKENY                    | 1950-2010 |     0     0     0     0     1     4     8     6     2     0     0     0      21
ATLANTIC 1 NE             | 1893-2010 |     0     0     0     0     1     6    12     8     3     0     0     0      30
AUDUBON 1 SSE             | 1948-2010 |     0     0     0     0     0     4     9     6     2     0     0     0      21
BEACONSFIELD 2 N          | 1956-2010 |     0     0     0     0     0     2     7     5     1     0     0     0      16
BEDFORD                   | 1948-2010 |     0     0     0     0     0     4    11     8     2     0     0     0      27
BELLE PLAINE              | 1948-2010 |     0     0     0     0     0     3     7     5     1     0     0     0      18
BELLEVUE LOCK & DAM 12    | 1948-2010 |     0     0     0     0     0     3     6     4     1     0     0     0      16
BLOOMFIELD 1 WNW          | 1948-2010 |     0     0     0     0     0     4    10     8     2     0     0     0      24
BOONE                     | 1948-2010 |     0     0     0     0     1     4     9     6     2     0     0     0      22
BRITT                     | 1948-2010 |     0     0     0     0     1     4     5     4     1     0     0     0      15
BURLINGTON RADIO KBUR     | 1965-2010 |     0     0     0     0     0     4     8     5     2     0     0     0      19
BURLINGTON AIRPORT        | 1948-2010 |     0     0     0     0     1     6     8     7     2     0     0     0      25
CARROLL                   | 1948-2010 |     0     0     0     0     1     5     9     6     2     0     0     0      23
CASCADE                   | 1948-2010 |     0     0     0     0     0     3     6     4     1     0     0     0      15
CASTANA EXPERIMENT FARM   | 1948-2010 |     0     0     0     0     0     4     7     5     2     0     0     0      18
CEDAR RAPIDS AP           | 1953-2010 |     0     0     0     0     1     3     6     4     1     0     0     0      16
CEDAR RAPIDS NO 1         | 1895-2010 |     0     0     0     0     1     4     9     6     2     0     0     0      23
CENTERVILLE               | 1948-2010 |     0     0     0     0     0     4    10     7     2     0     0     0      23
CHARITON 1 E              | 1948-2010 |     0     0     0     0     0     4    10     8     2     0     0     0      24
CHARLES CITY              | 1948-2010 |     0     0     0     0     0     3     5     4     1     0     0     0      13
CHEROKEE 2 S              | 1948-2010 |     0     0     0     0     1     4     8     6     2     0     0     0      21
CLARINDA                  | 1893-2010 |     0     0     0     0     1     6    13    10     4     0     0     0      34
CLARION                   | 1948-2010 |     0     0     0     0     1     4     6     3     1     0     0     0      15
CLINTON 1                 | 1948-2010 |     0     0     0     0     1     4     7     4     1     0     0     0      18
COLO                      | 1964-2009 |     0     0     0     0     0     3     6     4     1     0     0     0      13
COLUMBUS JUNCT 2 SSW      | 1948-2008 |     0     0     0     0     1     4    10     7     2     0     0     0      25
CORNING                   | 1896-2010 |     0     0     0     0     0     4    11     8     2     0     0     0      26
CORYDON 8 W               | 1950-1991 |     0     0     0     0     0     4    10     7     2     0     0     0      23
COUNCIL BLUFFS 5 NE       | 1948-1965 |     0     0     0     0     1     6    12     9     3     0     0     0      30
CRESCO 1 NE               | 1948-2010 |     0     0     0     0     0     2     3     2     1     0     0     0       8
CRESTON 2 SW              | 1948-2010 |     0     0     0     0     0     4     9     6     2     0     0     0      21
DAKOTA CITY               | 1948-1956 |     0     0     0     0     0     4     8     6     2     0     0     0      20
DAVENPORT LOCK & DAM 15   | 1948-1984 |     0     0     0     0     1     4     7     5     2     0     0     0      19
DECORAH                   | 1948-2010 |     0     0     0     0     0     3     5     4     1     0     0     0      13
DELAWARE 3 WSW            | 1893-1975 |     0     0     0     0     0     3     6     4     1     0     0     0      16
DENISON                   | 1900-2010 |     0     0     0     0     1     4     8     6     2     0     0     0      21
DES MOINES WSFO ARPT      | 1948-2010 |     0     0     0     0     0     4     9     7     2     0     0     0      22
DES MOINES 17 E (CRN)     | 2004-2010 |     0     0     0     0     0     1     6     2     1     0     0     0      11
DES MOINES WSO CITY       | 1948-1973 |     0     0     0     0     1     5    10     7     2     0     0     0      24
DES MOINES WSFO           | 1995-2010 |     0     0     0     0     0     3     7     4     2     0     0     0      16
DUBUQUE LOCK & DAM 11     | 1948-2010 |     0     0     0     0     0     3     6     4     1     0     0     0      14
DUBUQUE WSO AP            | 1951-2010 |     0     0     0     0     0     1     3     2     1     0     0     0       7
ELDORA                    | 1949-2010 |     0     0     0     0     1     3     7     4     1     0     0     0      16
ELKADER 5 SSW             | 1948-2010 |     0     0     0     0     1     4     7     5     1     0     0     0      17
EMMETSBURG                | 1948-2010 |     0     0     0     0     1     4     6     4     1     0     0     0      17
ESTHERVILLE               | 1948-2010 |     0     0     0     0     1     3     5     4     1     0     0     0      14
FAIRFIELD                 | 1896-2010 |     0     0     0     0     1     6    12     9     3     0     0     0      30
FAYETTE                   | 1900-2010 |     0     0     0     0     0     3     6     4     1     0     0     0      15
FOREST CITY 2 NNE         | 1948-2010 |     0     0     0     0     1     3     5     3     1     0     0     0      13
FORT DODGE                | 1948-2010 |     0     0     0     0     1     4     7     5     2     0     0     0      19
FORT MADISON              | 1952-2010 |     0     0     0     0     0     4     9     7     2     0     0     0      23
GLENWOOD 3 SW             | 1893-2008 |     0     0     0     0     2     8    14    10     5     0     0     0      39
GREENFIELD 1 WNW          | 1948-2010 |     0     0     0     0     0     4     9     6     2     0     0     0      22
GRINNELL 3 SW             | 1893-2010 |     0     0     0     0     0     4     8     6     2     0     0     0      20
GRUNDY CENTER             | 1948-2010 |     0     0     0     0     0     2     5     3     1     0     0     0      12
GUTHRIE CENTER            | 1895-2010 |     0     0     0     0     1     5    11     8     3     0     0     0      27
GUTTENBERG L & D 10       | 1948-2010 |     0     0     0     0     0     3     6     4     1     0     0     0      14
HAMPTON                   | 1893-2010 |     0     0     0     0     1     4     7     5     2     0     0     0      18
HARLAN                    | 1948-2010 |     0     0     0     0     1     5     9     6     2     0     0     0      22
HAWARDEN                  | 1948-2010 |     0     0     0     0     1     5     9     6     2     0     0     0      23
HOLSTEIN                  | 1951-2010 |     0     0     0     0     1     2     5     2     1     0     0     0      11
HUMBOLDT WATER PLANT      | 1997-2009 |     0     0     0     0     0     1     3     1     0     0     0     0       6
HUMBOLDT 3 W              | 1956-1997 |     0     0     0     0     1     5     7     4     1     0     0     0      18
IDA GROVE 5 NW            | 1948-2007 |     0     0     0     0     1     5     9     6     2     0     0     0      22
INDEPENDENCE 5 ENE        | 1978-2009 |     0     0     0     0     0     3     5     3     1     0     0     0      12
INDEPENDENCE              | 1948-1981 |     0     0     0     0     1     3     6     4     1     0     0     0      16
INDIANOLA                 | 1893-2010 |     0     0     0     0     1     5    11     8     3     0     0     0      28
INWOOD 2 SW               | 1948-1973 |     0     0     0     0     1     4     8     7     2     0     0     0      23
IOWA CITY 1 S             | 1948-2010 |     0     0     0     0     1     5    10     7     2     0     0     0      25
IOWA FALLS                | 1948-2010 |     0     0     0     0     1     3     6     4     1     0     0     0      16
JEFFERSON 1 S             | 1948-2010 |     0     0     0     0     0     4    10     6     2     0     0     0      23
KEOKUK                    | 1933-2010 |     0     0     0     0     1     6    11     9     3     0     0     0      30
KEOSAUQUA STATE PARK      | 1893-2010 |     0     0     0     0     1     6    13    11     4     0     0     0      35
KNOXVILLE                 | 1948-2010 |     0     0     0     0     0     4    10     8     2     0     0     0      25
LAKE CITY                 | 1948-1972 |     0     0     0     0     1     5     9     6     2     0     0     0      24
LAKE PARK                 | 1948-2010 |     0     0     0     0     0     3     6     4     1     0     0     0      15
LAMONI                    | 1948-2010 |     0     0     0     0     0     4    10     8     2     0     0     0      25
LAMONI FAA AIRPORT        | 1949-1962 |     0     0     0     0     0     6     9     7     4     0     0     0      26
LE CLAIRE L & D 14        | 1948-2010 |     0     0     0     0     0     4     7     5     1     0     0     0      16
LE MARS                   | 1896-2010 |     0     0     0     0     1     6    10     7     2     0     0     0      26
LEON 6 ESE                | 1962-2010 |     0     0     0     0     0     3    10     7     2     0     0     0      22
LITTLE SIOUX 2 NW         | 2002-2010 |     0     0     0     0     2     3     9     5     2     0     0     0      22
LOGAN                     | 1893-2010 |     0     0     0     0     2     7    12    10     4     0     0     0      34
MANCHESTER #2             | 1976-2010 |     0     0     0     0     0     2     4     3     1     0     0     0      10
MAPLETON NO 2             | 1948-2010 |     0     0     0     0     1     4     8     6     2     0     0     0      20
MAQUOKETA 3 S             | 1897-2010 |     0     0     0     0     0     4     7     5     2     0     0     0      18
MARSHALLTOWN 2            | 1893-2010 |     0     0     0     0     1     4     9     7     2     0     0     0      24
MASON CITY                | 1896-2010 |     0     0     0     0     1     3     6     4     2     0     0     0      16
MASON CITY AP             | 1948-2010 |     0     0     0     0     1     3     5     4     1     0     0     0      14
MILFORD 4 NW              | 1948-2010 |     0     0     0     0     1     3     6     4     1     0     0     0      14
MILLERTON                 | 1893-1951 |     0     0     0     0     1     4    11    10     4     0     0     0      31
MISSOURI VALLEY 1 NNE     | 1948-1956 |     0     0     0     0     2     9    16    11     5     0     0     0      44
MOUNT AYR 4 SW            | 1893-2010 |     0     0     0     0     0     4    10     8     3     0     0     0      26
MOUNT PLEASANT 1 SSW      | 1948-2010 |     0     0     0     0     0     4     9     7     2     0     0     0      22
MUSCATINE                 | 1948-2010 |     0     0     0     0     1     5     9     6     2     0     0     0      23
MUSCATINE 2 N             | 1999-2010 |     0     0     0     0     0     3     6     4     2     0     0     0      16
NEW HAMPTON 1 E           | 1897-2010 |     0     0     0     0     0     3     6     4     1     0     0     0      13
NEWTON 2 E                | 1899-2010 |     0     0     0     0     1     4     9     6     2     0     0     0      22
NORTHWOOD                 | 1948-2010 |     0     0     0     0     1     3     5     3     1     0     0     0      12
NORWICH SCS EXP FARM      | 1948-1970 |     0     0     0     0     1     4    10     8     2     0     0     0      26
OAKLAND 4 WSW             | 1948-2010 |     0     0     0     0     1     5     9     6     2     0     0     0      22
OELWEIN                   | 1948-2005 |     0     0     0     0     0     2     4     3     1     0     0     0      11
ONAWA                     | 1899-2010 |     0     0     0     0     2     7    12     9     3     0     0     0      33
OSAGE                     | 1948-2010 |     0     0     0     0     0     2     4     2     1     0     0     0      10
OSCEOLA 3 WSW             | 1948-2010 |     0     0     0     0     0     4    10     7     2     0     0     0      24
OSKALOOSA                 | 1893-2010 |     0     0     0     0     1     5    10     8     3     0     0     0      26
OTTUMWA AIRPORT           | 1948-2010 |     0     0     0     0     1     4     9     6     2     0     0     0      22
PERRY                     | 1948-2010 |     0     0     0     0     1     4     8     5     2     0     0     0      19
POCAHONTAS 2 SE           | 1948-2010 |     0     0     0     0     1     5     7     4     2     0     0     0      19
POSTVILLE                 | 1991-2010 |     0     0     0     0     0     2     3     2     0     0     0     0       7
PRIMGHAR                  | 1948-2010 |     0     0     0     0     1     4     8     5     2     0     0     0      20
RATHBUN DAM               | 1970-2010 |     0     0     0     0     0     3     8     6     2     0     0     0      19
RED OAK                   | 1948-2010 |     0     0     0     0     1     7    13    10     3     0     0     0      34
ROCK RAPIDS               | 1893-2010 |     0     0     0     0     1     5    10     7     2     0     0     0      25
ROCKWELL CITY             | 1894-2010 |     0     0     0     0     1     5     9     7     2     0     0     0      24
SAC CITY                  | 1948-2010 |     0     0     0     0     1     4     8     6     2     0     0     0      22
SANBORN                   | 1948-2010 |     0     0     0     0     1     3     6     4     1     0     0     0      14
SARATOGA 2 E              | 1949-1968 |     0     0     0     0     0     1     2     2     0     0     0     0       5
SHELDON                   | 1948-2010 |     0     0     0     0     1     3     6     4     1     0     0     0      16
SHENANDOAH                | 1948-2010 |     0     0     0     0     2     8    13    10     4     0     0     0      37
SIBLEY 5 NNE              | 1948-2010 |     0     0     0     0     1     3     5     4     1     0     0     0      14
SIDNEY 1 NNW              | 1949-2010 |     0     0     0     0     1     7    12    10     4     0     0     0      34
SIGOURNEY                 | 1948-2010 |     0     0     0     0     0     4     9     6     2     0     0     0      21
SIOUX CENTER 2 SE         | 1948-2010 |     0     0     0     0     2     6     9     6     2     0     0     0      24
SIOUX CITY WSO AP         | 1948-2010 |     0     0     0     0     1     6    10     7     2     0     0     0      27
SIOUX RAPIDS 4 E          | 1948-2010 |     0     0     0     0     1     4     7     5     1     0     0     0      19
SPENCER 1 N               | 1895-2010 |     0     0     0     0     1     5     9     6     2     0     0     0      24
SPIRIT LAKE               | 1998-2010 |     0     0     0     0     0     3     5     2     1     0     0     0      11
STORM LAKE 2 E            | 1893-2010 |     0     0     0     0     0     3     6     4     2     0     0     0      16
SWEA CITY                 | 1954-2010 |     0     0     0     0     1     4     5     3     1     0     0     0      14
TINGLEY                   | 1948-1956 |     0     0     0     0     0     5    10     8     4     0     0     0      28
TIPTON 4 NE               | 1902-2010 |     0     0     0     0     1     5     8     6     2     0     0     0      22
TOLEDO                    | 1948-2010 |     0     0     0     0     0     3     6     5     1     0     0     0      15
TRIPOLI                   | 1948-2010 |     0     0     0     0     0     3     5     3     1     0     0     0      13
VINTON                    | 1948-2010 |     0     0     0     0     1     4     8     5     2     0     0     0      18
WASHINGTON                | 1893-2010 |     0     0     0     0     1     5    11     8     3     0     0     0      28
WATERLOO                  | 1895-1950 |     0     0     0     0     1     5    11     8     3     0     0     0      27
WATERLOO WSO AP           | 1950-2010 |     0     0     0     0     1     4     6     4     2     0     0     0      16
WAUKON                    | 1948-2010 |     0     0     0     0     0     1     3     2     0     0     0     0       5
WEBSTER CITY              | 1893-2010 |     0     0     0     0     1     5     9     6     2     0     0     0      23
WILLIAMSBURG              | 1948-2010 |     0     0     0     0     1     4     8     6     2     0     0     0      19
WINTERSET 2 NNW           | 1948-2010 |     0     0     0     0     0     3     8     6     2     0     0     0      20
WOODWARD 7 N              | 1948-1974 |     0     0     0     0     1     4     7     6     2     0     0     0      20

 Copyright ©2011 Western Regional Climate Center - Desert Research Institute - Reno, Nevada.