IDAHO MONTHLY AVERAGE NUMBER OF DAYS MINIMUM TEMPERATURE LESS THAN OR EQUAL TO 32 DEGREES F | PERIOD | | OF RECORD | JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC YEAR ABERDEEN EXPERIMNT STN | 1914-2010 | 30 27 28 20 7 1 0 0 6 20 27 30 196 AMERICAN FALLS 1 SW | 1948-2009 | 28 24 23 13 3 0 0 0 2 11 22 28 156 ANDERSON DAM | 1948-2006 | 28 25 25 13 2 0 0 0 0 6 19 28 146 ARBON 2 NW | 1962-2002 | 30 27 26 19 8 1 0 0 5 17 25 30 189 ARCO 3 SW | 1948-2010 | 31 28 29 21 8 1 0 0 6 20 28 30 203 ARCO 17 SW (CRN) | 2003-2010 | 31 28 27 19 7 1 0 0 1 13 26 31 185 ARROWROCK DAM | 1916-2009 | 28 24 22 9 1 0 0 0 1 8 20 27 140 ASHTON | 1948-2010 | 30 28 29 21 8 2 0 0 6 21 27 31 204 ATLANTA | 1955-1975 | 30 28 31 28 19 6 2 3 15 25 28 30 244 AVERY RANGER STN | 1913-1968 | 29 25 25 16 5 1 0 0 2 10 20 27 161 AVERY RANGER STN 2 | 1968-2010 | 28 25 24 14 4 0 0 0 2 10 21 28 155 BAYVIEW MODEL BASIN | 1948-2010 | 28 24 26 17 6 0 0 0 4 15 22 28 169 BERN | 1992-2010 | 31 28 30 23 11 3 0 1 9 24 28 31 218 BIG CREEK 1 S | 1948-1970 | 31 28 31 29 23 13 9 13 22 28 29 31 285 BLACKFOOT 2 SSW | 1948-2010 | 29 26 25 15 4 0 0 0 3 14 24 29 170 BLISS 4 NW | 1931-2000 | 28 24 23 12 3 0 0 0 2 12 22 27 153 BOISE 7 N | 1973-2010 | 27 21 17 10 4 0 0 0 0 5 18 26 129 BOISE LUCKY PEAK DAM | 1951-2010 | 26 20 17 8 2 0 0 0 0 4 16 26 119 BOISE WSFO AIRPORT | 1940-2010 | 26 21 16 8 2 0 0 0 0 5 17 26 121 BONNERS FERRY | 1907-2010 | 28 24 23 13 3 0 0 0 2 12 21 27 154 BROWNLEE DAM | 1966-2010 | 25 20 10 3 0 0 0 0 0 1 12 24 95 BRUNEAU | 1962-2010 | 25 21 17 8 2 0 0 0 1 9 18 25 126 BUHL | 1948-1963 | 27 22 22 9 1 0 0 0 0 6 18 26 131 BUHL 2 | 1978-2010 | 29 25 21 10 2 0 0 0 1 8 23 29 148 BURKE 2 ENE | 1948-1967 | 30 28 30 27 15 2 0 1 5 16 27 30 212 BURLEY | 1948-1967 | 28 24 24 11 2 0 0 0 0 10 22 28 150 BURLEY FACTORY | 1948-2008 | 29 26 26 14 4 0 0 0 3 14 24 29 170 BURLEY FAA AP | 1948-2010 | 28 25 23 13 3 0 0 0 2 13 23 28 158 CABINET GORGE | 1956-2010 | 28 25 25 14 4 0 0 0 1 9 19 27 153 CALDWELL | 1904-1997 | 28 23 19 9 2 0 0 0 2 11 21 27 140 CAMBRIDGE | 1931-2010 | 30 26 23 12 4 0 0 0 3 16 24 29 166 CASCADE 1 NW | 1948-2010 | 30 27 30 26 14 4 1 1 10 24 27 30 225 CASTLEFORD 2 N | 1963-2010 | 28 24 22 12 4 0 0 0 2 11 22 28 153 CHALLIS | 1931-1996 | 30 27 28 18 6 1 0 0 4 16 27 30 187 CHILLY BARTON FLAT | 1948-2010 | 31 28 30 26 16 5 1 3 13 25 29 31 236 CLARKIA RANGER STN | 1950-1975 | 30 27 29 21 11 2 2 3 12 21 23 30 211 COBALT | 1961-1986 | 31 28 30 27 17 4 1 2 12 26 29 30 238 COBALT BLACKBIRD MINE | 1951-1960 | 30 28 31 29 20 8 2 2 13 26 29 30 249 COEUR D ALENE 1 E | 1895-2010 | 26 23 22 11 2 0 0 0 1 7 18 24 136 CONDA | 1948-1978 | 29 27 29 24 13 4 1 1 11 24 27 30 220 COTTONWOOD | 1948-1976 | 28 25 26 18 6 0 0 0 2 11 24 27 168 COTTONWOOD 2 WSW | 1950-2010 | 27 22 20 12 3 0 0 0 0 6 20 27 137 COUNCIL | 1948-2010 | 28 25 24 12 4 0 0 0 2 13 22 29 159 CRAIGMONT | 1950-1996 | 28 25 25 17 7 1 0 0 4 14 24 29 174 CRATERS OF THE MOON NM | 1958-2010 | 30 28 29 22 9 1 0 0 4 16 27 30 198 DEADWOOD DAM | 1929-1975 | 31 28 31 29 24 11 4 7 19 27 30 30 270 DEER FLAT DAM | 1916-2010 | 26 22 16 7 1 0 0 0 0 7 18 26 123 DEER POINT | 1954-1970 | 29 27 28 23 11 4 0 1 4 13 25 28 193 DIXIE | 1952-2008 | 31 28 31 29 24 12 6 11 22 29 29 31 283 DRIGGS | 1930-2010 | 30 28 29 24 14 3 0 1 9 23 28 30 219 DUBOIS EXPERIMENT STN | 1925-2010 | 31 28 29 19 6 1 0 0 3 14 27 31 189 DUBOIS FAA AIRPORT | 1948-1962 | 31 28 30 22 7 1 0 0 3 18 29 31 200 DWORSHAK FISH HATCHERY | 1966-2010 | 23 19 13 4 0 0 0 0 0 5 13 22 100 ELK CITY RANGER STN | 1950-2010 | 30 28 30 26 16 4 2 6 16 25 28 30 240 ELK RIVER 1 S | 1952-2010 | 30 27 29 20 8 1 0 0 6 20 25 30 198 EMMETT 2 E | 1926-2010 | 27 22 18 10 3 0 0 0 1 9 20 26 135 FAIRFIELD R S | 1948-2010 | 31 28 30 23 11 3 0 1 10 23 28 30 218 FAIRFIELD 3 SE | 1978-1998 | 31 28 30 22 12 4 1 2 13 27 28 31 229 FENN RANGER STN | 1948-2010 | 28 24 20 9 1 0 0 0 1 6 16 27 132 FORT HALL INDIAN AGENCY | 1948-2010 | 28 26 26 18 5 0 0 0 3 16 24 29 176 GALENA | 1963-1996 | 31 28 31 30 28 17 10 12 25 30 30 31 302 GARDEN VALLEY R S | 1948-2010 | 29 26 26 18 8 1 0 0 6 18 23 29 184 GIBBONSVILLE | 1963-2010 | 30 28 30 23 12 2 0 0 8 23 28 31 216 GLENNS FERRY | 1948-2010 | 26 23 21 11 3 0 0 0 2 14 21 26 147 GOODING 2 S | 1948-1997 | 28 25 24 12 2 0 0 0 1 9 22 28 152 GRACE | 1907-2010 | 30 27 29 21 9 2 0 0 6 19 27 30 200 GRAND VIEW 2 W | 1933-2010 | 27 23 20 9 2 0 0 0 2 12 21 27 142 GRANGEVILLE | 1948-2010 | 26 24 24 15 5 0 0 0 2 11 21 27 155 GRANGEVILLE 11 SE | 1964-1989 | 27 23 20 12 2 0 0 0 2 10 20 27 143 GRASMERE | 1953-1974 | 29 25 27 22 9 1 0 0 6 16 25 29 190 GREENCREEK 3 N | 1964-1972 | 27 24 26 20 6 0 0 0 4 12 21 28 168 GROUSE | 1948-2004 | 31 28 31 27 18 7 3 5 18 28 29 31 255 HAGERMAN 2 SW | 1982-2010 | 28 24 18 9 1 0 0 0 2 12 22 27 144 HAILEY 3 NNW | 1948-1988 | 30 28 30 21 8 2 0 0 6 17 27 30 199 HAMER 4 NW | 1948-2010 | 30 28 30 22 9 2 0 1 8 23 28 30 210 HAZELTON | 1948-2010 | 29 26 24 14 3 0 0 0 2 13 23 29 162 HEADQUARTERS | 1959-2010 | 30 27 30 24 12 1 0 0 8 21 26 30 211 HILL CITY 1 W | 1931-2006 | 31 28 30 22 12 4 1 2 11 23 28 30 220 HOLLISTER | 1948-2010 | 27 24 24 16 6 1 0 0 2 11 21 27 158 HOWE | 1948-2010 | 30 27 28 18 6 0 0 0 6 21 27 30 193 IDAHO CITY | 1931-2010 | 30 28 29 24 12 4 0 1 10 23 27 30 220 IDAHO FALLS 2 ESE | 1952-2010 | 29 26 26 16 5 0 0 0 3 16 25 29 177 IDAHO FALLS 16 SE | 1955-2010 | 30 27 28 22 12 2 0 1 8 21 27 30 209 IDAHO FALLS FAA ARPT | 1948-2001 | 30 27 28 18 5 0 0 0 4 18 27 30 186 IDAHO FALLS 43 NW WB | 1954-1969 | 31 28 30 24 9 1 0 1 8 25 29 31 216 IDAHO FALLS 46 W | 1954-2010 | 31 28 29 22 9 2 0 0 8 23 28 31 211 IRWIN 2 SE | 1948-1960 | 30 26 29 20 9 1 0 0 4 18 26 30 194 ISLAND PARK | 1937-2010 | 31 28 31 28 19 6 1 3 15 27 29 31 248 JEROME | 1919-2010 | 29 26 24 14 3 0 0 0 1 11 23 28 159 KELLOGG | 1905-2010 | 28 24 23 13 4 0 0 0 2 11 20 26 150 KETCHUM RANGER STN | 1973-2010 | 31 28 31 26 16 6 1 2 11 26 29 30 236 KILGORE | 1960-1977 | 31 28 31 29 19 5 2 3 16 27 30 31 252 KOOSKIA | 1908-1987 | 27 22 19 9 2 0 0 0 2 10 18 25 136 KOOSKIA 5 SSE | 1989-2006 | 28 23 19 8 2 0 0 0 0 8 20 28 137 KUNA 2 NNE | 1948-1996 | 26 22 20 13 3 0 0 0 2 11 20 26 144 LAVA HOT SPRINGS | 1999-2010 | 30 27 24 16 7 1 0 0 3 16 24 29 179 LEADORE 2 | 1965-2010 | 29 26 29 25 18 6 2 3 15 25 27 30 236 LEWISTON WATER PLANT | 1948-1955 | 21 16 14 5 0 0 0 0 0 7 12 20 96 LEWISTON WSO AP | 1948-2010 | 20 16 11 3 0 0 0 0 0 3 12 20 86 LIFTON PUMPING STN | 1935-2010 | 31 28 30 21 5 0 0 0 5 20 28 31 201 LOWMAN | 1948-2008 | 30 27 28 22 12 4 1 3 12 22 26 30 216 LOWMAN 3E #2 | 1964-1975 | 30 27 29 24 13 2 0 1 9 21 23 30 208 MACKAY RANGER STN | 1931-2010 | 31 28 30 22 9 2 0 0 5 19 29 31 205 MACKAY 4 NW | 1965-1988 | 31 28 30 22 9 2 0 0 5 19 28 30 203 MALAD | 1931-1982 | 30 27 27 15 4 0 0 0 2 13 26 30 174 MALAD CITY | 1948-2010 | 30 27 27 20 6 1 0 0 5 20 27 30 194 MALTA 2 E | 1963-2002 | 28 25 24 16 7 1 0 0 5 16 24 29 176 MASSACRE ROCKS ST PK | 1973-2010 | 29 25 23 13 4 0 0 0 2 12 23 28 158 MAY | 1948-2010 | 30 27 29 24 11 2 0 0 9 23 28 30 215 MCCALL | 1930-2010 | 30 27 29 25 13 4 0 2 11 23 27 30 221 MCCAMMON | 1949-2010 | 29 26 26 16 6 1 0 0 4 17 26 29 181 MERIDIAN 1 SSW | 1948-1960 | 26 23 22 12 2 0 0 0 2 10 21 26 143 MIDDLE FORK LODGE | 1971-2010 | 31 28 29 22 10 2 0 0 7 23 28 31 209 MINIDOKA 10 WNW | 1966-1988 | 30 27 28 21 8 1 0 0 7 22 27 30 200 MINIDOKA DAM | 1947-2010 | 29 26 25 14 3 0 0 0 1 10 22 29 161 MONTPELIER RANGER STN | 1931-1991 | 31 28 30 24 11 2 0 1 8 23 28 30 217 MOSCOW UNIV OF IDAHO | 1893-2010 | 26 22 19 10 3 0 0 0 2 8 17 25 133 MOUNTAIN HOME | 1948-2007 | 27 24 21 12 3 0 0 0 2 11 22 27 149 MULLAN | 1975-1997 | 28 24 25 16 6 1 0 0 3 15 23 28 169 MULLAN AIRPORT | 1958-1971 | 29 26 29 23 11 1 0 0 5 14 25 29 192 MULLAN PASS | 1948-1958 | 31 27 31 24 14 6 0 0 5 18 27 30 213 MURPHY HOT SPRINGS | 1987-2010 | 29 26 25 19 9 2 0 0 5 17 24 29 186 MURPHY 10 W (CRN) | 2003-2010 | 28 25 24 14 4 0 0 0 2 12 23 27 159 NAMPA 2 NW | 1948-1960 | 26 22 21 10 1 0 0 0 1 10 23 27 140 NAMPA SUGAR FACTORY | 1976-2010 | 28 24 18 8 1 0 0 0 0 9 22 28 138 NEW MEADOWS RANGER STN | 1948-2010 | 30 27 30 25 15 5 2 3 16 26 27 30 235 NEZPERCE | 1901-2010 | 27 24 24 15 5 0 0 0 2 12 22 27 158 NORTH STAR RANCH | 1966-1991 | 30 26 27 18 7 0 0 0 5 19 25 30 188 OAKLEY | 1914-2010 | 28 24 23 14 4 0 0 0 2 9 21 27 153 OBSIDIAN 2 NNW | 1948-1962 | 31 28 30 29 27 18 12 15 23 28 29 31 301 OLA | 1948-2010 | 30 27 24 16 5 1 0 0 4 18 25 29 178 OLA 4 S | 1951-1988 | 28 25 24 17 6 1 0 0 5 19 23 28 178 OROFINO | 1948-1981 | 24 18 17 7 1 0 0 0 0 6 14 22 110 PALISADES | 1947-1993 | 29 26 28 20 7 1 0 0 4 14 24 29 184 PARMA EXPERIMENT STN | 1922-2010 | 29 24 21 10 2 0 0 0 2 13 22 27 149 PAUL 1 ENE | 1948-2010 | 29 26 25 16 4 0 0 0 2 15 25 29 171 PAYETTE | 1948-2010 | 28 23 18 9 2 0 0 0 1 10 21 27 140 PICABO | 1958-2010 | 31 28 30 24 12 2 0 0 7 22 29 31 215 PIERCE | 1963-2010 | 30 28 30 25 12 2 0 2 13 24 27 30 222 PIERCE RANGER STN | 1913-1962 | 30 28 30 25 10 2 0 1 8 18 26 30 208 PLUMMER 3 WSW | 1950-2010 | 25 23 20 12 4 0 0 0 1 12 18 28 143 POCATELLO 2 | 1899-2010 | 29 24 22 13 3 0 0 0 1 10 23 28 153 POCATELLO WSO ARPT | 1939-2010 | 29 25 25 15 4 0 0 0 3 14 24 28 166 PORTHILL | 1948-2010 | 29 26 25 14 3 0 0 0 3 16 23 29 167 POTLATCH 3 NNE | 1915-2010 | 26 23 23 16 7 1 0 1 5 14 21 26 163 POWELL | 1962-2010 | 31 28 30 25 13 2 0 1 9 23 27 31 219 PRESTON | 1964-2010 | 30 27 26 16 5 0 0 0 3 16 26 30 180 PRESTON SUGAR FACTRY 2 | 1948-1980 | 30 26 28 17 5 0 0 0 4 17 26 30 184 PRIEST RIVER EXP STN | 1911-2010 | 30 27 28 20 8 1 0 0 6 16 24 29 191 RED RIVER R S | 1998-2010 | 31 28 31 27 18 5 1 4 17 26 29 31 247 REXBURG RICKS COLLEGE | 1977-2010 | 31 27 28 18 6 0 0 0 5 19 28 30 193 REYNOLDS | 1961-2010 | 27 25 24 15 5 0 0 0 3 14 24 27 164 RICHFIELD | 1948-2010 | 30 27 27 19 7 1 0 0 3 16 26 30 186 RIGGINS | 1940-2010 | 21 16 11 4 0 0 0 0 0 2 11 20 85 RUPERT 3 WSW | 1931-2002 | 29 25 25 14 3 0 0 0 2 14 25 29 165 ST ANTHONY 1 WNW | 1948-2010 | 30 28 30 23 10 2 0 0 8 22 28 30 210 SAINT MARIES | 1948-2010 | 26 23 22 13 3 0 0 0 2 11 19 26 146 SALMON AIRPORT | 1930-1967 | 30 27 28 20 8 1 0 0 7 22 28 30 200 SALMON KSRA | 1967-2010 | 30 27 26 15 4 0 0 0 3 17 26 30 180 SANDPOINT EXPERMNT STN | 1910-2010 | 28 24 23 13 4 0 0 0 4 13 21 27 158 SHOSHONE 1 WNW | 1931-2010 | 29 26 25 15 4 0 0 0 2 12 23 29 166 SHOUP | 1966-2010 | 30 27 25 14 3 0 0 0 2 14 25 30 170 SILVER CITY 5 W | 1978-2010 | 28 25 24 18 6 2 0 0 2 10 22 28 167 SLATE CREEK RANGER STN | 1960-1971 | 19 15 15 6 1 0 0 0 1 6 12 17 92 SODA SPRINGS AIRPORT | 1978-2010 | 30 28 29 24 13 4 1 1 10 23 27 30 219 SPENCER RANGER STN | 1948-2009 | 31 28 30 26 12 4 1 1 10 24 28 30 225 SPRINGFIELD | 1948-1956 | 29 26 28 20 7 2 0 0 4 20 25 30 192 STANLEY | 1963-2010 | 30 28 30 28 23 13 9 14 23 29 29 30 286 STIBNITE | 1949-1958 | 31 28 31 29 22 12 2 2 12 24 29 30 254 STREVELL | 1948-1986 | 28 25 26 18 8 1 0 0 3 14 24 29 178 SUGAR | 1948-2010 | 29 27 28 23 9 1 0 1 9 22 26 30 205 SUN VALLEY | 1948-1972 | 31 28 31 28 22 12 6 8 20 28 29 31 273 SWAN FALLS POWER HOUSE | 1948-2010 | 24 18 11 3 0 0 0 0 0 2 14 24 97 SWAN VALLEY 2 E | 1960-2010 | 30 27 28 22 12 3 0 1 9 22 26 30 209 TAYLOR RANCH | 1974-2010 | 31 28 28 17 5 0 0 0 3 18 27 30 187 TENSED | 1963-1983 | 26 22 24 17 8 2 0 1 8 18 23 24 175 TETONIA EXPERIMENT STN | 1952-2010 | 30 27 29 25 14 4 0 1 10 23 28 30 222 THREE CREEK | 1940-1987 | 29 26 29 25 16 6 3 6 14 24 26 29 234 TWIN FALLS KMVT | 1980-2010 | 28 24 20 10 2 0 0 0 1 10 22 28 145 TWIN FALLS 2 NNE | 1905-1974 | 29 25 24 13 4 0 0 0 3 13 23 28 163 TWIN FALLS 3 SE | 1948-1977 | 28 25 26 14 3 0 0 0 1 13 23 28 160 TWIN FALLS WSO | 1963-2010 | 28 25 23 14 3 0 0 0 2 12 23 28 159 WALLACE | 1907-1962 | 27 24 24 14 5 0 0 0 3 10 21 26 156 WALLACE WOODLAND PARK | 1948-2010 | 28 25 26 17 5 0 0 0 3 14 22 28 168 WARREN | 1959-2010 | 30 28 30 29 25 14 9 12 22 29 29 31 288 WEISER 2 SE | 1948-2010 | 28 24 19 10 2 0 0 0 2 13 22 28 147 WINCHESTER 1 SE | 1948-1965 | 29 26 28 20 9 1 0 0 5 14 24 28 183 WINCHESTER | 1965-2010 | 28 25 26 20 9 1 0 0 5 15 24 28 181 YELLOW PINE 7 S | 1970-2007 | 30 28 30 28 21 9 3 6 20 28 29 30 262 YELLOWPINE BAR | 1987-2010 | 30 27 24 10 2 0 0 0 1 12 22 30 158 Copyright ©2011 Western Regional Climate Center - Desert Research Institute - Reno, Nevada.