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MONTANA SOIL TEMPERATURE AND MOISTURE SUMMARY
NATIONAL WEATHER SERVICE GREAT FALLS MT
630 PM MDT Sun Apr 30 2017


... DAILY SOIL TEMPERATURE/MOISTURE SUMMARY...

SOIL TEMPERATURE AND MOISTURE OBSERVATIONS FROM ACROSS MONTANA
SOIL TEMPERATURE IS IN DEGREES FAHRENHEIT.

SOIL TEMPERATURE /F/ AT LISTED DEPTH
              ELEV   2IN   4IN  6IN  8IN  12IN  20IN  30IN  40IN
Alberton NR   6150          33        33          34          35
Bozeman EXPST 4774    45    48        46          47
Bozeman 12SE  6860                    35          35          36
Brusett 4SE   2643    58    56        49          50          46
CAMERON 15SW  8800          32        32          32          33
Cooke City NR 8700          32        32          33           M
Conrad SCAN   3706    57    50        51          42          42
FLATTOP MTN   6300                    32
GREAT FALLS   3776          54   51         49          48
HAVRE SCAN    2710    53    49        46          44          43
Jordan SCAN   2820    58    54        50          48           M
Lakeview NR   7400          32        32          28          33
Lakeview 15NW 7800          32        33          33          35
Lincoln 11SE  7020          32        33          34
LINDSAY SCAN  2680    53    51        47          46          45
LOOKOUT PASS  5140           M        33          34           M
MANY GLACIER  4900                    34
MAXVILLE NR   7210          33        34          34          35
MOCCASIN SCAN 4256    54    50        46          45          44
MT LOCKHART   6400          33        33          33          33
Neihart 12SE  8100          32        32          32          32
Poplar 13NE   2085    56    53        49          46          45
Sidney SCAN   2274     M     M         M           M           M
THREE FKS SCN 4775    52    50        45          45          44
Tiber Dam SCN 3225    58    53        50          47          44
Utica 11SW    5070    53    47        43          43          42
W Yellowstone 6700           M         M           M           M
W YELLOWST SO 8150          33        32          33          34
WHITE SS 13SE 7600          32        32          32          33

GROUND TEMPERATURE /F/ AT THE SURFACE AND 18 INCHES DEEP AT MT DOT
SITES

ABERDEEN HILL 4101    70                      51
ALZADA DOT    4327    88                      55
ARROW CREEK   3956    33                      51
AVON NORTH    5085    60                      60
BEARSMOUTH    3901    74                      55
BEAVER HILL   2551    80                      63
Biddle DOT    3418    77                      70
BIG HOLE PASS 7400    27                      29
Boulder PASS  5600    82                      51
BOWMANS CORNR 4301    69                      54
Bozeman PASS  5748    52                      51
BULL MOUNTAIN 3898    78                      49
COMERSTOWN    2099     M                       M
COW CREEK     2500    77                      56
CRYSTAL CREEK 3030    68                      52
DEEP CREEK    5870    52                      48
DEARBORN      3500    72                      54
Denton DOT    3557    63                      51
E Livingston  4555    63                      53
Ekalaka DOT   3687    83                      53
ESSEX DOT     3875    59                      51
GARRISON DOT  4327     M                       M
GEORGETOWN LK 6339    63                      48
Geyser DOT    4138    67                      49
GOVERNMENT HL 3165    86                      58
GREENOUGH HL  4070    64                      54
HAYS DOT      3697    61                      45
HELMVILLE DOT 4199    66                      54
HILLSIDE DOT  2998    82                      56
Hysham HILLS  3549    81                      56
Ingomar DOT   3018    83                      54
INVERNESS     3300    68                       M
Judith Gap    4677    72                      51
KARST DOT     5698    68                      47
LAME DEER     4327     M                       M
Lewistown DVD 4622    66                      45
LINDSAY DIV   3198     M                       M
Loma DOT      2557    81                      54
LOOKOUT PASS  4540    54                      45
MACDONALD PSS 6320     M                       M
Malta SOUTH   3122    72                      52
MCDONALDS DOT 2401    91                      46
MONARCH CANYN 5218    62                      60
MONIDA PASS   6824    68                      48
NAVAHO DOT    2570    78                      46
NINEMILE DOT  4301    61                      55
NORRIS HILL   5695    68                      66
PENDRoy DOT   4199    71                      52
RAYNOLDS PASS 6778    64                      51
REEDPOINT DOT 3890    66                      52
Rogers Pass   5406    54                      54
ROSCOE HILL   5337    62                      51
Saco DOT      2177    74                      42
SIEBEN DOT    4040    67                      56
SIOUX PASS    2480    68                      52
Swan Lake     3567    55                      53
SWEENEY CREEK 2598    80                      60
SWEET GRASS   3690    74                      52
Trout Creek   2384    82                      54
TWO MEDICINE  4920    46                      45
US2 STATELINE 2099    85                      47
Yaak HILL     2201    66                      59
YELLOWSTONE B 3194    80                      55

FROST...DEPTH OF SURFACE THAWED / DEPTH OF FROST PENETRATION...INCHES
WHEN FROST PENETRATION VALUES ARE LARGE, THESE VALUES MAY BE
OVERESTIMATED BY A FOOT OR MORE.

BILLINGS               M     M
Glasgow                M     M
GREAT FALLS            M     M

SOIL MOISTURE /VOLUMETRIC SOIL MOISTURE IN PERCENT/ AT LISTED DEPTH
SOIL MOISTURE IS IN UNITS OF PERCENT VOLUMETRIC SOIL MOISTURE.
VALUES AT OR NEAR ZERO MAY BE ERRONEOUS.
              ELEV   2IN   4IN  6IN  8IN  12IN  20IN  30IN  40IN
Alberton NR   6150          25       31          11          29
Bozeman 12SE  6860                   33          50          50
Brusett 4SE   2643    16    11       14           7          12
CAMERON 15SW  8800           M       38          38          41
Conrad SCAN   3706    33    36       32          38          37
Cooke City NR 8700          15        0           7           M
FLATTOP MTN   6300               26
HAVRE SCAN    2710    11    18       29          31          26
Jordan SCAN   2820    18    28       33          35          16
Lakeview NEAR 7400          31       17          37          31
Lakeview 15NW 7800         141      137         143         144
Lincoln 11SE  7020          26       28          24         140
LINDSAY SCAN  2860    15    14       15          12          16
LOOKOUT PASS  5140           M       40          34
MANY GLACIER  4900                   14
MAXVILLE NR   7210           8       15           0          37
MOCCASIN SCAN 4256    31    32       32          23          12
MT LOCKHART   6400          38       36          33
Neihart 12SE  8100          26       25          28          32
Poplar 13NE   2085    12   324       15         -486          11
Sidney SCAN   2274     M     M        M           M           M
THREE FKS SCN 4775    21    31       41          46           8
Tiber Dam SCN 3225    33    37       38          13           4
Utica 11SW    5070    12    20       12          14           8
W Yellowstone 6700           M        M           M           M
W YELLOWST SO 8150          24       24          26          31
WHITE SS 13SE 7600           5        7          14          24

FIELD CAPACITY OF SILT LOAM AND CLAY LOAM SOILS IS APPROXIMATELY
35 PERCENT OF VOLUMETRIC SOIL MOISTURE. THE PLANT AVAILABLE WATER
OF THESE SOILS IS AVAILABLE TO PLANTS AT VALUES BETWEEN 13 AND 45
PERCENT. TO APPROXIMATE PLANT AVAILABLE WATER AS LISTED IN THE NEXT
SECTION...DIVIDE THE LISTED VALUE BY 40 AND MULTIPLY BY 100. FOR
EXAMPLE...30/40 TIMES 100 EQUALS 75 PERCENT. VALUES GREATER THAN
50 INDICATE VERY MOIST SOIL CONDITIONS.

SOIL MOISTURE /CENTIBARS/ AT LISTED DEPTH
VALUES ARE IN CENTIBARS. 200 CB IS DRY...0 IS WET.
              ELEV   2IN   4IN  6IN  8IN  12IN  20IN  30IN  40IN
GREAT FALLS   3775               14         19    15    25
Following is a table on converting centibars to available water
in loam and clay/loam soils
 10cb or less...More than 95 percent plant available water
 20cb...........80 percent plant available water
 30cb...........75 percent plant available water
 40cb...........65 percent plant available water
 50cb...........55 percent plant available water
 60cb...........50 percent plant available water
 70cb...........45 percent plant available water
 80cb...........40 percent plant available water
 81-85cb........38 percent plant available water
 85cb or more...No available water
.END




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