Online current and historical weather data/degree-days: Montana USA Weather Data and Pest Models APRSWXNET Network Other network tables for MT include: All Networks, AGRIMET, COOP, HADS, METAR, RAWS, MT_DOT, see also: Oregon (past data), Medford OR grower network, Hood River OR grower network, Walla Walla VIeW OR grower network, Alaska, Hawaii, NW USA, SW USA, NE USA, SE USA, South Central USA, North Central USA, Great Lakes Central USA, and Canada

Daily and Interactive Degree-Day Maps Degree-day & Phenology Model Calculator  Also try the full-featured calculator/DD model (NW states only) To calculate degree-days: Select model or enter thresholds, calc. method, optional NWS forecast zone, and click radio button for location/year in the table.  Select model:  Degree-Day Calculator enter your own thresholds Apple maggot 1st emerg [cherry, apple] Jones 1989 Apple maggot % emerg [cherry, apple] Jones 1989 apple scab infec seas [apple] Gadoury et al. 1995 pear scab infec seas [pear] OSU Hd Rvr/Bob Spotts bertha armyworm [vegetables] Bailey 1976 black cutworm [vegetables] Luckmann et al. 1976 Barley P. Miller, MSU cabbage looper [vegetables] Toba etal 1973 corn earworm [sweet corn] Hartstack et al. 1976 western cherry fruit fly [cherry] Jones et al (1991) western cherry fruit fly [cherry] AliNiazee (1979) Chick Pea (Desi not Kabuli) P. Miller, MSU codling moth revised 06 [apple & pear] Knight 2007 codling moth [apple & pear] Brunner & Hoyt 1987 Cabbage Maggot - Dreves 2005 newsletter (pdf) Canola (Argentine) P. Miller, MSU Canola (Polish) P. Miller, MSU Canary P. Miller, MSU downy brome Dan Ball eur. pine shoot moth [nursery crops] Regan 1990 cougarblight (fire blight) [apple & pear] Smith 1998 filbertworm [hazelnut] Aliniazee (1983) Flax P. Miller, MSU isomate-c+ Pacific Biocontrol Corporation Data Lentil (intermediate P. Miller, MSU Lacanobia fruitworm [apple & pear] Brunner 2003 Lygus bug [alfalfa seed] Ben Simko 2000 mint flea beetle Berry et al. Metaseiulus occidentalis Tanagoshi et al. 1975 mint root borer Berry et al. Mustard J (Brown and Oriental) P. Miller, MSU Mustard (Yellow) P. Miller, MSU Neoseiulus fallacis Dover et al. 1979 Oat P. Miller, MSU obliquebanded leafroller [tree fruit] Brunner 1997 obliquebanded leafroller [hazelnut] Gang.; Ali. 1985 oriental fruit moth [stone fruit] CA IPM: Rice et al. orange tortrix (cold winter) [small fruit] Knight 1988 orange tortrix (mild winter) [small fruit] Knight 1988 Pea (yellow-determinate or indeterm) P. Miller MSU Pandemis leafroller [tree fruits] Brunner (1991) Safflower (Saffire) P. Miller, MSU small broomrape (red clover) J. Colquhoun sweet corn [Jubilee] Coop et al. (1993) San Jose Scale [tree fruits] Rice et al. (1982) Sunflower (depends on maturity class) P. Miller MSU Sugarbeet Root Maggot Bechinski et al. 1990 strawberry root weevil [mint] Cacka 1982 strawberry rt weev [strawberry] Umble Fisher 2002 variegated cutworm [mint] Coop & Berry 1987 Wheat R P. Miller, MSU winter wheat Karow et al. 1993 Thresholds: lower: °F   upper: °F (or celsius °C:)   Calc. method: simple average growing dds single triangle double triangle single sine double sine heating dds cooling dds Start (biofix) date:  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31  End date:  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Forecast zipcode or city, state: and

Montana USA APRSWXNET Network weather station table (click on most headers to SORT table)

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All data provided "as is" and users assume all risk in its use - see full disclaimer. All NWS derived data is not subject to copyright protection. This site hosted by the Integrated Plant Protection Center at Oregon State University with support from the USDA National Plant Diagnostic Network, various USDA grants, and USDA IPM Centers - Western Region. Climate map data provided by OSU PRISM Group, realtime public weather data provided by U. Utah Mesowest and various grower networks.
This site on-line since April 5, 1996; last update Feb 24, 2008
Contact Len Coop, OSU IPPC and Botany & Plant Pathology Dept. at coopl@science.oregonstate.edu or 541-737-5523 if you have any questions about this information.