| Year |
Spring Frost |
Fall Frost |
||||||
| 36°F |
32°F |
28°F |
24°F |
36°F |
32°F |
28°F |
24°F |
|
ABERDEEN REGIONAL ARPT(390020) |
05/27 |
05/20 |
05/13 |
05/02 |
09/24 |
10/02 |
10/13 |
10/24 |
ACADEMY 2 NE(390043) |
05/27 |
05/20 |
05/08 |
04/23 |
10/02 |
10/12 |
10/25 |
10/30 |
ALEXANDRIA(390128) |
05/25 |
05/15 |
05/09 |
04/17 |
10/04 |
10/12 |
10/25 |
11/10 |
ANDOVER(390198) |
05/24 |
05/24 |
05/24 |
05/02 |
10/01 |
10/09 |
10/14 |
10/21 |
ARDMORE 2 N(390236) |
06/19 |
06/01 |
05/20 |
05/10 |
09/22 |
09/25 |
10/09 |
10/21 |
ARLINGTON 1 W(390281) |
05/20 |
05/20 |
05/04 |
04/17 |
09/26 |
10/04 |
10/13 |
10/31 |
ARMOUR(390296) |
05/25 |
05/15 |
05/02 |
04/22 |
10/04 |
10/09 |
10/26 |
11/02 |
BELLE FOURCHE(390559) |
06/02 |
05/25 |
05/14 |
05/10 |
09/24 |
10/05 |
10/19 |
10/25 |
BELLE FOURCHE 22 NNW(390565) |
06/29 |
06/12 |
05/18 |
05/10 |
09/22 |
10/09 |
10/16 |
10/27 |
BELLE FOURCHE 29 NNW(390567) |
06/02 |
05/20 |
05/04 |
05/03 |
09/19 |
09/28 |
10/05 |
10/16 |
BISON(390701) |
06/07 |
05/27 |
05/20 |
05/09 |
09/25 |
10/11 |
10/23 |
11/01 |
BONESTEEL(390778) |
05/28 |
05/16 |
05/08 |
04/23 |
10/07 |
10/25 |
10/27 |
11/06 |
BRIDGEWATER(391032) |
05/24 |
05/15 |
05/03 |
04/20 |
10/02 |
10/12 |
10/25 |
11/06 |
BRITTON(391049) |
06/07 |
05/25 |
05/15 |
05/10 |
09/24 |
10/05 |
10/14 |
10/22 |
BROOKINGS 2 NE(391076) |
06/07 |
05/25 |
05/15 |
05/09 |
09/21 |
10/02 |
10/16 |
10/25 |
CAMP CROOK(391294) |
06/19 |
06/05 |
05/23 |
05/11 |
09/18 |
09/24 |
10/05 |
10/21 |
CANTON 4 WNW(391392) |
05/28 |
05/15 |
05/09 |
05/01 |
10/02 |
10/06 |
10/16 |
10/30 |
CASTLEWOOD(391519) |
06/08 |
05/25 |
05/19 |
05/09 |
09/21 |
10/02 |
10/16 |
10/21 |
CEDAR BUTTE 1 NE(391539) |
05/29 |
05/20 |
05/11 |
05/01 |
10/05 |
10/12 |
10/25 |
11/08 |
CENTERVILLE 6 SE(391579) |
05/24 |
05/16 |
05/09 |
05/04 |
09/27 |
10/06 |
10/18 |
10/29 |
CHAMBERLAIN(391609) |
05/15 |
05/08 |
05/04 |
04/16 |
10/02 |
10/25 |
11/03 |
11/13 |
CHAMBERLAIN 5 S(391621) |
05/26 |
05/24 |
05/07 |
04/20 |
10/05 |
10/13 |
10/25 |
11/02 |
CLARK(391739) |
05/28 |
05/20 |
05/10 |
04/29 |
10/04 |
10/09 |
10/19 |
11/04 |
CLEAR LAKE(391777) |
06/01 |
05/21 |
05/10 |
04/30 |
10/04 |
10/07 |
10/20 |
11/01 |
COLUMBIA 8 N(391873) |
05/30 |
05/24 |
05/13 |
05/10 |
09/27 |
10/04 |
10/20 |
10/24 |
CONDE(391917) |
05/25 |
05/20 |
05/20 |
05/03 |
09/22 |
09/27 |
10/09 |
10/20 |
COTTONWOOD 2 E(391972) |
06/15 |
06/02 |
05/20 |
05/11 |
09/23 |
09/28 |
10/14 |
10/24 |
CUSTER(392087) |
06/24 |
06/20 |
05/28 |
05/14 |
09/18 |
09/24 |
10/09 |
10/25 |
DEADWOOD(392207) |
06/24 |
06/16 |
06/01 |
05/25 |
09/22 |
09/27 |
10/12 |
10/22 |
DE SMET(392302) |
05/25 |
05/14 |
05/10 |
05/08 |
10/07 |
10/09 |
10/23 |
11/06 |
DUPREE(392429) |
06/08 |
05/24 |
05/15 |
05/06 |
09/24 |
10/05 |
10/13 |
10/26 |
DUPREE 15 SSE(392446) |
06/06 |
05/30 |
05/15 |
05/09 |
10/06 |
10/11 |
10/23 |
10/26 |
EDGEMONT(392557) |
06/10 |
05/24 |
05/14 |
05/06 |
09/23 |
10/07 |
10/15 |
10/25 |
EDGEMONT 23 NNW(392565) |
06/19 |
05/27 |
05/17 |
05/07 |
10/04 |
10/07 |
10/09 |
10/29 |
ELM SPRINGS 3 ESE(392647) |
06/03 |
05/20 |
05/14 |
04/30 |
10/01 |
10/19 |
10/24 |
10/31 |
EUREKA(392797) |
06/03 |
05/20 |
05/14 |
05/08 |
09/24 |
10/02 |
10/14 |
10/27 |
FAITH(392852) |
06/02 |
05/24 |
05/10 |
04/30 |
10/02 |
10/11 |
10/23 |
10/26 |
FAULKTON 1 NW(392927) |
06/08 |
05/25 |
05/15 |
05/08 |
09/25 |
10/05 |
10/13 |
10/26 |
FLANDREAU(392984) |
06/04 |
05/16 |
05/09 |
04/28 |
09/24 |
10/07 |
10/20 |
10/29 |
FORESTBURG 3 NE(393029) |
05/27 |
05/19 |
05/08 |
05/07 |
09/25 |
10/05 |
10/13 |
10/26 |
FORT MEADE(393069) |
06/03 |
05/18 |
05/11 |
04/30 |
10/02 |
10/11 |
10/21 |
11/03 |
FORT PIERRE 17 WSW(393076) |
06/06 |
05/28 |
05/24 |
04/30 |
09/22 |
09/29 |
10/14 |
10/25 |
FORT SULLY 8 NE(393082) |
05/24 |
05/24 |
05/10 |
05/10 |
09/27 |
10/15 |
10/23 |
10/29 |
GANN VALLEY 4 NW(393217) |
06/01 |
05/21 |
05/13 |
05/07 |
09/25 |
10/06 |
10/13 |
10/26 |
GETTYSBURG(393294) |
05/30 |
05/25 |
05/08 |
05/02 |
10/02 |
10/11 |
10/21 |
11/03 |
GETTYSBURG 14 W(393300) |
06/16 |
05/24 |
05/08 |
05/07 |
10/02 |
10/06 |
10/12 |
11/09 |
GLAD VALLEY 2 W(393316) |
06/07 |
05/24 |
05/21 |
05/08 |
09/25 |
10/09 |
10/12 |
10/26 |
GREGORY(393452) |
05/30 |
05/24 |
05/18 |
05/09 |
09/25 |
10/12 |
10/25 |
10/29 |
HARRINGTON(393574) |
06/06 |
05/29 |
05/15 |
05/10 |
09/23 |
10/07 |
10/13 |
10/25 |
HARROLD 12 SSW(393608) |
06/15 |
05/30 |
05/14 |
05/10 |
09/22 |
10/02 |
10/15 |
10/22 |
HIGHMORE 1 W(393832) |
06/09 |
05/27 |
05/20 |
05/08 |
10/01 |
10/05 |
10/21 |
10/26 |
HIGHMORE 23 N(393838) |
06/16 |
06/01 |
05/24 |
05/10 |
09/24 |
10/04 |
10/15 |
10/26 |
HILLAND 2 NW(393857) |
06/03 |
05/28 |
05/14 |
04/30 |
09/27 |
10/19 |
10/24 |
10/26 |
HILL CITY(393868) |
06/29 |
06/29 |
06/05 |
05/24 |
09/16 |
09/21 |
09/25 |
10/09 |
HOPEWELL 1 SE(393987) |
05/31 |
05/16 |
05/14 |
05/10 |
10/05 |
10/14 |
11/09 |
11/09 |
HOT SPRINGS(394007) |
06/12 |
05/29 |
05/18 |
05/04 |
09/22 |
10/07 |
10/19 |
10/25 |
HOWARD(394037) |
05/25 |
05/21 |
05/10 |
04/24 |
10/02 |
10/07 |
10/24 |
11/05 |
HURON REGIONAL ARPT(394127) |
06/01 |
05/20 |
05/10 |
05/01 |
09/27 |
10/09 |
10/20 |
11/03 |
INTERIOR 3 NE(394184) |
05/30 |
05/14 |
05/12 |
04/23 |
10/11 |
10/13 |
10/26 |
11/04 |
IPSWICH(394206) |
06/08 |
05/25 |
05/24 |
05/09 |
09/22 |
10/03 |
10/12 |
10/22 |
KADOKA(394413) |
05/24 |
05/24 |
05/24 |
04/24 |
10/05 |
10/12 |
11/02 |
11/09 |
KENNEBEC(394516) |
06/07 |
05/24 |
05/20 |
05/08 |
09/25 |
10/06 |
10/15 |
10/25 |
KIRLEY 6 N(394596) |
05/27 |
05/20 |
05/09 |
04/27 |
10/02 |
10/12 |
10/22 |
11/04 |
KYLE(394630) |
06/02 |
05/31 |
05/12 |
04/19 |
09/12 |
09/12 |
09/21 |
09/30 |
LAKE SHARPE PROJECT(394766) |
05/24 |
05/19 |
05/08 |
05/06 |
10/01 |
10/20 |
10/26 |
11/02 |
LEAD(394834) |
06/18 |
06/12 |
05/19 |
05/10 |
09/21 |
10/04 |
10/23 |
10/31 |
LEMMON(394864) |
06/04 |
05/27 |
05/14 |
05/09 |
10/01 |
10/09 |
10/19 |
10/26 |
LEOLA(394891) |
06/02 |
05/24 |
05/14 |
05/07 |
09/30 |
10/05 |
10/13 |
10/25 |
LONG VALLEY(394983) |
06/06 |
05/29 |
05/15 |
05/07 |
09/28 |
10/09 |
10/23 |
11/01 |
LUDLOW 3 SSE(395048) |
06/19 |
06/03 |
05/27 |
05/14 |
09/22 |
10/07 |
10/11 |
10/23 |
MADISON 2 SE(395090) |
05/25 |
05/15 |
05/09 |
05/01 |
10/04 |
10/05 |
10/20 |
11/04 |
MANDERSON 3 NE(395154) |
06/06 |
05/25 |
05/20 |
05/02 |
10/05 |
10/10 |
10/24 |
10/30 |
MARCUS 8 NNW(395184) |
06/16 |
05/24 |
05/24 |
04/09 |
09/02 |
09/21 |
09/28 |
09/30 |
MARION(395228) |
05/24 |
05/15 |
05/01 |
04/18 |
10/06 |
10/12 |
10/25 |
11/02 |
MARTIN(395281) |
06/03 |
05/15 |
05/14 |
04/29 |
09/24 |
10/08 |
10/23 |
11/01 |
MARTIN 5 E(395285) |
06/23 |
06/01 |
05/27 |
05/17 |
09/18 |
09/23 |
10/09 |
10/20 |
MAURINE 10 SW(395325) |
06/08 |
06/01 |
05/24 |
05/10 |
09/22 |
10/03 |
10/13 |
10/24 |
MC INTOSH 6 SE(395381) |
06/07 |
05/27 |
05/14 |
04/30 |
09/24 |
10/09 |
10/14 |
11/03 |
MC LAUGHLIN(395406) |
06/04 |
05/28 |
05/15 |
05/09 |
09/24 |
10/02 |
10/12 |
10/22 |
MELLETTE(395456) |
06/03 |
05/24 |
05/15 |
05/09 |
09/23 |
10/05 |
10/10 |
10/25 |
MENNO(395481) |
05/21 |
05/15 |
05/08 |
04/22 |
09/26 |
10/05 |
10/18 |
10/29 |
MIDLAND(395506) |
06/16 |
06/06 |
05/15 |
05/06 |
09/20 |
09/28 |
10/15 |
10/23 |
MILBANK 2 SSW(395536) |
05/27 |
05/17 |
05/09 |
04/23 |
09/26 |
10/05 |
10/21 |
11/01 |
MILESVILLE 5 NE(395544) |
06/03 |
05/24 |
05/14 |
05/04 |
09/25 |
10/19 |
10/22 |
10/29 |
MILLER(395561) |
05/27 |
05/17 |
05/08 |
04/30 |
10/04 |
10/14 |
10/22 |
11/02 |
MISSION(395620) |
06/03 |
05/30 |
05/20 |
05/09 |
09/24 |
10/11 |
10/21 |
10/26 |
MISSION 14 S(395638) |
06/04 |
05/20 |
05/15 |
05/09 |
10/05 |
10/11 |
10/24 |
11/01 |
MITCHELL 2 N(395671) |
05/27 |
05/13 |
05/09 |
04/17 |
10/04 |
10/15 |
10/26 |
11/05 |
MOBRIDGE 2 NNW(395691) |
05/27 |
05/10 |
05/04 |
04/20 |
10/06 |
10/19 |
10/22 |
11/06 |
MT RUSHMORE NATL MEM(395870) |
06/12 |
06/09 |
05/30 |
05/12 |
10/03 |
10/06 |
10/28 |
11/06 |
MURDO(395891) |
05/29 |
05/24 |
05/14 |
05/01 |
10/09 |
10/23 |
10/25 |
11/06 |
NEWELL(396054) |
06/02 |
05/27 |
05/20 |
05/02 |
10/05 |
10/12 |
10/23 |
10/31 |
OAHE DAM(396170) |
05/27 |
05/20 |
05/09 |
04/26 |
10/13 |
10/21 |
10/27 |
11/10 |
OELRICHS(396212) |
06/10 |
05/30 |
05/14 |
05/10 |
09/25 |
10/10 |
10/17 |
10/29 |
ONIDA 4 NW(396292) |
06/06 |
05/24 |
05/15 |
05/07 |
09/30 |
10/10 |
10/15 |
10/29 |
ORAL(396304) |
06/18 |
05/28 |
05/20 |
05/04 |
09/23 |
10/08 |
10/21 |
11/01 |
PACTOLA DAM(396427) |
06/30 |
06/28 |
06/03 |
05/24 |
09/15 |
09/22 |
10/08 |
10/20 |
PHILIP 1 S(396552) |
06/05 |
05/29 |
05/11 |
05/07 |
09/25 |
10/04 |
10/23 |
10/29 |
PICKSTOWN(396574) |
05/24 |
05/13 |
05/07 |
04/18 |
10/07 |
10/16 |
10/26 |
11/16 |
PIERRE MUNICIPAL AP(396597) |
05/24 |
05/15 |
05/08 |
04/29 |
10/01 |
10/14 |
10/25 |
11/03 |
PLAINVIEW 4 SSW(396636) |
05/30 |
05/20 |
05/20 |
04/30 |
10/02 |
10/11 |
10/23 |
11/06 |
POLLOCK(396712) |
05/31 |
05/24 |
05/10 |
05/02 |
10/02 |
10/09 |
10/21 |
10/27 |
PORCUPINE 11 N(396736) |
06/14 |
06/02 |
05/23 |
05/20 |
09/30 |
10/05 |
10/12 |
10/21 |
PRESHO 7 NW(396790) |
06/07 |
05/24 |
05/24 |
05/08 |
09/25 |
10/05 |
10/23 |
10/25 |
RALPH 1 N(396907) |
06/28 |
06/07 |
05/24 |
05/14 |
09/18 |
09/25 |
10/09 |
10/19 |
RAPID CITY REGIONAL ARPT(396937) |
06/05 |
05/24 |
05/12 |
04/30 |
09/26 |
10/10 |
10/22 |
11/03 |
RAPID CITY 4 NW(396947) |
06/05 |
05/24 |
05/12 |
05/02 |
10/05 |
10/12 |
10/29 |
11/02 |
REDFIELD(397047) |
05/24 |
05/24 |
05/08 |
05/08 |
10/02 |
10/02 |
10/08 |
11/04 |
REDFIELD 2 NE(397052) |
06/07 |
05/25 |
05/15 |
05/09 |
09/22 |
10/04 |
10/12 |
10/23 |
REDIG 11 NE(397062) |
06/18 |
06/03 |
05/20 |
05/14 |
09/22 |
09/27 |
10/13 |
10/23 |
RED OWL(397073) |
06/04 |
05/29 |
05/25 |
05/10 |
09/24 |
10/03 |
10/19 |
10/19 |
ROCHFORD 2WNW(397227) |
06/30 |
06/29 |
06/24 |
06/14 |
08/16 |
09/18 |
09/18 |
09/25 |
ROSCOE(397277) |
05/25 |
05/24 |
05/16 |
04/30 |
09/30 |
10/01 |
10/19 |
11/02 |
SCENIC(397512) |
05/30 |
05/11 |
05/11 |
05/03 |
10/02 |
10/10 |
10/23 |
11/09 |
SELBY(397545) |
05/30 |
05/27 |
05/14 |
05/07 |
09/25 |
10/07 |
10/13 |
10/27 |
SHADEHILL DAM(397567) |
06/16 |
05/24 |
05/24 |
05/08 |
09/12 |
09/24 |
09/28 |
10/10 |
SIOUX FALLS FOSS FIELD(397667) |
05/27 |
05/15 |
05/09 |
04/21 |
10/04 |
10/07 |
10/16 |
10/30 |
SISSETON(397742) |
05/27 |
05/16 |
05/10 |
04/24 |
10/03 |
10/13 |
10/22 |
10/31 |
SPEARFISH(397882) |
06/07 |
05/20 |
05/08 |
04/29 |
10/05 |
10/18 |
10/30 |
11/06 |
STEPHAN 1 ENE(397992) |
06/17 |
05/25 |
05/18 |
05/10 |
09/25 |
10/05 |
10/14 |
10/25 |
SUMMIT 1 W(398116) |
06/16 |
06/07 |
05/20 |
05/08 |
09/24 |
10/03 |
10/13 |
10/16 |
TIMBER LAKE(398307) |
05/30 |
05/24 |
05/11 |
05/02 |
09/26 |
10/12 |
10/16 |
10/26 |
TYNDALL(398472) |
05/20 |
05/13 |
05/06 |
04/17 |
10/05 |
10/19 |
10/25 |
11/05 |
UNION CENTER(398494) |
05/31 |
05/23 |
05/03 |
04/08 |
08/31 |
09/14 |
09/28 |
09/30 |
USTA 8 WNW KELLY RANCH(398528) |
06/08 |
05/26 |
05/20 |
05/14 |
09/15 |
09/25 |
10/01 |
10/25 |
VALE(398552) |
06/01 |
05/30 |
05/04 |
05/04 |
09/19 |
10/05 |
10/11 |
10/12 |
VERMILLION 2 SE(398622) |
05/25 |
05/16 |
05/13 |
05/01 |
10/05 |
10/12 |
10/25 |
11/04 |
VICTOR 4 NNE(398652) |
05/25 |
05/15 |
05/03 |
04/18 |
09/24 |
10/09 |
10/21 |
10/31 |
VIVIAN(398727) |
06/16 |
05/24 |
05/15 |
04/23 |
08/31 |
09/13 |
09/28 |
09/30 |
WAGNER(398767) |
05/20 |
05/11 |
05/02 |
04/23 |
10/04 |
10/19 |
10/25 |
11/06 |
WASTA(398911) |
06/02 |
05/27 |
05/14 |
05/09 |
09/25 |
10/12 |
10/22 |
11/09 |
WATERTOWN MUNICIPAL AP(398932) |
06/04 |
05/25 |
05/15 |
05/08 |
09/24 |
10/03 |
10/12 |
10/30 |
WAUBAY NATL WILDLIFE REF(398980) |
05/27 |
05/24 |
05/14 |
04/29 |
10/04 |
10/13 |
10/23 |
11/09 |
WEBSTER(399004) |
06/03 |
05/15 |
05/14 |
05/06 |
10/04 |
10/13 |
10/21 |
10/25 |
WENTWORTH 2 WNW(399042) |
05/25 |
05/18 |
05/09 |
05/02 |
10/04 |
10/09 |
10/24 |
11/02 |
WESSINGTON SPRINGS(399070) |
05/24 |
05/14 |
04/30 |
04/23 |
10/07 |
10/14 |
10/31 |
11/13 |
WHITE LAKE(399232) |
05/28 |
05/21 |
05/09 |
04/30 |
10/01 |
10/12 |
10/25 |
10/29 |
WIND CAVE(399347) |
06/11 |
05/27 |
05/24 |
05/04 |
09/24 |
10/08 |
10/13 |
10/30 |
WINNER(399367) |
05/29 |
05/20 |
05/10 |
05/07 |
10/07 |
10/19 |
10/25 |
11/11 |
WOOD(399442) |
05/26 |
05/20 |
05/20 |
05/09 |
09/26 |
10/12 |
10/23 |
11/04 |
Data indicates day of year - 90 percentile (last 30-yr)