Weather station map: pan, zoom and click on pin (red pin shows current location): El Monte CA  station: KEMT METAR elev: 295 ft lat/long: 34.0831 -118.0331
threecornered alfalfa hopper  [legumes, grapes] OSU OIPMC model analysis     Model category:  select category all models beneficial insects plant diseases insects invasive insects endangered spp. other crop models apple and pear stone fruits and nuts CROPTIME models weeds    Model:  degree-day calculator (general purpose) T-Sum 200 Forage Management Asian citrus psyllid, Diaphorina citri [citrus] OSU OIPMC model analysis Asian longhorned beetle [num. trees] OSU OIPMC model analysis apple maggot 1st emerge [cherry, apple] Jones et al 89 apple maggot % emerge [cherry, apple] Jones et al 89 apple scab [apple] Gadoury et al 1995 pear scab infection season [pear] Spotts et al. 2000 Asiatic rice borer (Chilo suppressalis) [rice] OSU OIPMC model analysis Alfalfa Weevil [alfalfa] U WY from: Harcourt 1981 bertha armyworm [vegetables] Bailey 1976 bronze birch borer [birch trees] OSU OIPMC model analysis black cutworm [vegetables] UC Davis brown marmorated stink bug [multiple] Nielsen et al 08 bean-5630 [direct seeded] Andrews et al. 2020 bean-Provider [direct seeded] Andrews et al. 2020 bean-Sahara [direct seeded] Andrews et al. 2020 broccoli [Arcadia] Andrews et al 2016 broccoli [Emerald Pride] Andrews et al 2016 broccoli [Green Magic] Andrews et al 2016 broccoli [Imperial] Andrews et al 2016 Barley Miller MSU boxwood leafminer [boxwood] dEustachio and Raupp 2001 OSU OIPMC model revised analysis cabbage looper [vegetables] Toba et al 1973 corn earworm [sweet corn] Hartstack et al 1976 w. cherry fruit fly v2 [cherry E. of Cascades] Jones et al 91 w. cherry fruit fly [cherry W. of Cascades] AliNiazee 1979 honeydew moth [citrus, many hosts] OSU OIPMC model anal. chick pea Desi Miller MSU codling moth revised 07 [apple & pear] Knight 2007 cereal leaf beetle [grasses] Fulton et al 1975 codling moth [apple & pear] Brunner and Hoyt 1987 codling moth (new version) [apple & pear] Brief instruction page cabbage maggot - OSU DDs info cards (pdf) cucumber-Marketmore 76 (dir. seeded) Andrews et al 2021 cucumber-Marketmore 76 (transplant) Andrews et al 2021 canola (B. napus, Arg) Miller MSU canola (B. rapa, Pol) Miller MSU canary seed Miller MSU Pear psylla, Cacopsylla pyricola [pear] WSU model cucumber-Cobra (direct seeded) Andrews et al 2021 cucumber-Dasher II (direct seeded) Andrews et al 2016 cucumber-Extreme (direct seeded) Andrews et al 2016 cucumber-Supremo (direct seeded) Andrews et al 2016 cucumber-Zapata (direct seeded) Andrews et al 2016 downy brome Dan Ball Diorhabda carinulatata [weed biocontrol] OSU OIPMC model analysis douglas-fir twig weevil [fir] OSU OIPMC model analysis douglas-fir needle midge [fir] OSU OIPMC model analysis emerald ash borer [ash trees] Duarte 2013 OSU OIPMC model analysis emerald ash borer v2 [ash trees] Duarte 2013 OSU OIPMC model revised analysis early blight (A. solani) [potato tomato] Gent Schwartz 03 Egyptian cotton worm (Spodop. littoralis) [polyphagous] OSU OIPMC model analysis european grapevine moth [grapes] UC Coop Ext 2010-11 european pine shoot moth [nursery] Regan et al 1990 Fenders blue butterfly [Kincades Lupine] OSU OIPMC model analysis cougarblight 2010ez-fire blight [apple, pear] Smith and Pusey 2010 filbertworm [hazelnut] Aliniazee 1983 false codling moth [citrus, many hosts] OSU OIPMC model analysis Flax Miller MSU fruittree leafroller [tree fruits & ornament.] Judd et al 93 Galerucella calmariensis [weed biocontrol] OSU OIPMC model analysis v2 USDA ARS grasshoppers [rangeland, crops] OSU OIPMC model analysis spongy moth egg hatch [mixed oak] Russo et al 1993 spongy moth larvae & pupae [mixed oak] Carter et al 1992 spongy moth from Jan 1 [oak-maple] Sheehan-simpl. hop downy mildew [hop] Gent et al 2010 CROPTIME models CROPTIME weed model isomate-c+ Pacific Biocontrol Corporation Data Japanese flower thrips [vegetables] OSU OIPMC model analysis Japanese knotweed psyllid, Aphalara itadori [weed biocontrol] CABI abstract Japanese knotweed UMN model Japanese beetle [multiple crops] OSU OIPMC model analysis Japanese pine sawyer beetle [pine trees] OSU OIPMC model analysis Light Brown Apple Moth [omnivorous] OSU OIPMC model analysis CROPTIME models CROPTIME weed model lentil (int. grwth chars) Miller MSU Lacanobia fruitworm [apple & pear] Doerr and Brunner 2007 Lygus bug [alfalfa seed] Ben Simko 2000 Mormon cricket [rangeland, crops] OSU OIPMC model analysis mint flea beetle Berry et al mummy berry infection season [blueberry] Pscheidt 2014 Metaseiulus occidentalis Tanagoshi et al 1975 mint root borer Berry et al mustard (B. juncea, Brwn&Orntl) MSU mustard (B. alba, Wht/Yell) Miller MSU Neoseiulus fallacis Dover et al 1979 Oak Ambrosia Beetle [oak trees] OSU OIPMC model analysis Oat Miller MSU obliquebanded leafroller [tree fruits] Brunner et al 1997 obliquebanded leafroller [hazelnut] Gang. and Ali. 1985 oriental fruit moth [stone fruit] CA IPM omnivorous leaftier [multiple crops] OSU OIPMC model analysis vers. 1.0 orange tortrix (cold winter) [small fruit] Knight 1988 orange tortrix (mild winter) [small fruit] Knight 1988 Helicoverpa armigera [cotton, corn, others] OSU OIPMC model analysis pink bollworm [cotton] UC Davis Cotton IPM 1996 model pecan nut casebearer [pecan] Jackman and Harris 1988 pea (yellow-det. or indet. growth) Miller MSU Photuris frontalis - a synchronous firefly [misc] OIPMC model analysis Pandemis leafroller [tree fruits] Brunner 1991 pepper-Bell king (transplant 4-7 lvs) Croptime project pepper-Gatherers gold (transplant 4-7 lvs) Croptime project pepper-King Arthur (transplant 4-7 lvs) Croptime project pine shoot beetle [pine trees] OSU OIPMC model analysis pepper-Stocky red roaster (transplant 4-7 lvs) Croptime project potato psyllid [potato, tomato] OSU OIPMC model analysis peach twig borer [stone fruits] 2007 USU Ext. Pine Tree Lappet Moth [pine trees] OSU OIPMC model analysis redroot pigweed CROPTIME weed model Safflower (Saffire) Miller MSU small broomrape (red clover) Eizenberg et al 2005 sweet corn-4001 [variety 4001-direct seeded] Andrews et al. 2019 sweet corn-Kokanee [Kokanee-direct seeded] Andrews et al. 2019 sweet corn-Luscious DS [Luscious-direct seeded] Andrews et al. 2019 sweet corn-Luscious TP [Luscious-transplanted] Andrews et al. 2019 seedcorn maggot [corn, soybean] IA State sweet corn-Jubilee DS [Jubilee-direct seeded] Coop et al 1993 sweet corn-Sugar Pearl DS [Sugar Pearl+Temptation-dir. seed] Andrews et al. 2019 sweet corn-Sugar Pearl TP [Sugar Pearl+Temptation-transpl.] Andrews et al. 2019 San Jose scale [tree fruits] Rice et al 1982 spotted lanternfly [numerous including wine grapes, tree fruits, ornamentals] OIPMC Analysis Spodoptera litura [omnivorous] OSU OIPMC model analysis silver Y moth (Autographa gamma) [omnivorous] OSU OIPMC model analysis sunflower early dwarf hybrds Miller MSU sugarbeet root maggot Bechinski et al 1990 strawberry root weevil [peppermint] Cacka 1982 strawberry root weevil [strawb.] Umble, Fisher 2002 sunflower stem weevil Merrill et al 2010 Neoleucinodes elegantalis [solanaceae] OSU OIPMC model analysis Sunn pest (Eurygaster integriceps) [wheat, barley] OSU OIPMC model analysis spotted wing Drosophila [fruit] OSU OIPMC model analysis vers. 3.0 spotted wing Drosoph overwint mortal [fruit] OSU OIPMC model analysis Tomato leafminer [solanaceae] OSU OIPMC model anal. tomato [Big Beef] Croptime project threecornered alfalfa hopper [legumes, grapes] OSU OIPMC model analysis tomato [Indigo Rose] Croptime project tomato [Monica] Croptime project tomato [New Girl] Croptime project variegated cutworm [peppermint] Coop & Berry 1987 western bean cutworm [corn & beans] Neb. IPM western flower thrips [vegetables] OSU OIPMC model analysis wheat (Bauer model) [spring wheat] Bauer et al 1984 walnut husk fly [walnut] Kasana & AliNiazee 1997 wheat (Hard Red) Miller MSU winter wheat Karow et al 1993 wild parsnip UMN model wheat stem sawfly OSU OIPMC model summary  params  Start:   (starting date based on: calendar date - set on Jan 1)         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 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026   End:  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 same year next year    Note - start date was set to over-ride database default. Is that what you want?   Output:  Condensed:  no yes Show Daylength:  no yes                  Output preview: show 0 1 2 3 4 5 6 7 all future events:               Weather station QA score 0.95; 0 days missing Date Days from today DDs(F) Event  Mar 12 6 days ago 780 OW adult peak OV  Apr 5 18 days away 1180 F1 late instar nymphs  Apr 25 38 days away 1430 First F1 adults  Jun 16 90 days away 2180 F1 peak adults, also F2 young nymphs  Jul 5 109 days away 2580 F2 late instar nymphs
[Home] [user survey] [Intro] [US State/Network Index] [DD Map Calculator] [Links] 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, The OSU Agricultural Experiment Station, various USDA CSREES/NIFA grants, USDA SARE, USDA RMA, and USDA IPM Centers - Western Region. Climate map data provided by OSU PRISM Group, real-time public weather data provided by U. Utah Mesowest and other networks including WSU AgWeatherNET, AGRIMET, CPS Adcon Networks, IFPNet Automata, California CIMIS, California PestCast, and others. Previous versions online since May 16, 1997, new version 6.01, updated Dec 31, 2025 Contact Len Coop at coopl@science.oregonstate.edu if you have any questions about this program.