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SNOWFALL (inches) 1997 RAND JUNCTION, CO (GJT) <br />YEAR JUL AUG SEP OCT NOV DEC JPN FEH P1AR AFR MA _' JUN TOTAL <br />1968-69 0.0 0.0 0.0 0.0 0.2 7.8 3.4 3.B 9.5 T T 0.0 29.7 <br />1969-70 0.0 0.0 0.0 0.6 0.5 9.8 5.2 T 12.4 1.2 0.0 0.0 24.7 <br />1970-77 D.0 D.0 0.0 3.1 T 9.1 3.2 1.5 0.2 1.1 T 0.0 13.2 <br />1971-7,: 0.0 0.0 D.0 D.5 3.9 10.9 4.0 T 0.0 T O.G 0.0 18.8 <br />1971-7b 0.0 D.0 0.0 5.7 1.3 9.7 12.8 1.2 1.3 2.0 T 0.0 34.0 <br />1973-74 0.0 0.0 0.0 0.0 7.7 5.7 17.0 5.5 T 1.2 0.0 0.0 37.1 <br />1974-75 0.0 D.0 D.0 T 0.1 9.6 7 9 9.4 8.8 1d.3 1.] D.0 91.9 <br />1975-7E 0.0 0.0 0.0 6.1 3.9 7.2 1.7 9.0 6.6 0.2 0.0 0.0 29.5 <br />1976-77 0.0 0.0 0.0 D.0 T 0.1 4.2 T 2.3 1.7 0.0 0.0 8.3 <br />1977-7E 0.0 0.0 0.0 T 3.3 2.5 12.0 2.5 0.6 T T 0.0 20.9 <br />1978-79 0.0 D.0 0.0 O.G 2.9 11.8 18.7 9.E 3.4 1.1 S.D 0.0 52.5 <br />1979-80 0.0 O.D 0.0 0.0 8.2 3.5 2.2 0.5 7.3 0.2 0.0 0.0 21.9 <br />1980-81 0.0 O.D 0.0 0.0 T 0.0 3.9 0.8 1.2 T 0.0 0.0 5.9 <br />1981-82 O.C 0.0 0.0 0.5 3.3 3.4 3.4 9.0 0.8 T 0.0 0.0 15.4 <br />1982-83 0.0 0.0 0.0 T T 1.9 6.1 3.1 "..5 2.2 T 0.0 19.8 <br />1983-84 0.0 0.0 0.0 0.0 4.2 19.0 3.7 0.6 6.1 2.9 0.0 0.0 36.5 <br />1989-85 0.0 0.0 C'.0 0.7 2.0 2.7 S.D 2.7 5.6 0.1 0.0 0.0 18.8 <br />1985-Bti 0.0 0.0 0.0 O.C 9.6 4.4 1.8 0.7 T 0.2 T 0.0 11.7 <br />1986-87 0.0 0.0 0.0 2.2 1.2 1.0 3.0 5.5 9.4 0.6 T 0.0 22.9 <br />1987-88 0.0 0.0 D.0 0.0 1.1 7.i 12.2 2.2 4.3 O.D 0.0 0.0 26.9 <br />1988-89 0.0 0.0 C.0 0.0 0.9 3.1 10.2 16.0 3.1 T T 0.0 31.3 <br />1989-90 0.0 0.0 0.0 0.0 0.0 1.1 6.2 8.6 1.8 0.8 0.0 0.0 18.5 <br />1990 -9's 0.0 0.0 0.0 0.0 1.5 5.1 12.7 0.3 3.7 4.7 0.0 0.0 28.0 <br />1991-92 0.0 0.0 T 2.5 1.9 7.6 2.7 1.9 T 0.0 T 0.0 16.6 <br />1992-93 0.0 O.D 0.0 0.0 2.0 q.4 6.0 8.4 0.0 0.4 T 0.0 21.2 <br />1993-94 O.D T 0.0 0.0 0.6 5.9 1.1 9.6 0.3 T 0.0 D.0 12.5 <br />1999-95 0.0 0.0 0.0 T 5.4 2.2 4.0 1.1 3.7 T T 0.0 16.4 <br />1995-96 0.0 0.0 T 1.2 T 3.7 2.1 0.5 ].0 T 0.0 0.0 10.5 <br />1996-97 0-0 O.D 0.0 1.1 9.2 3.5 4.9 3.2 1.2 6.5 T T 29.6 <br />1997- 0.0 T 0.0 0.5 T 1.7 <br />POR= <br />5D YAS 0.0 T 0.1 0.5 2.6 5.1 6.9 9.0 3.7 1.1 0.2 0.0 24.2 <br />WHAN 23066 <br />P.EFERENCE NOTES: <br />PAGE 1: <br />THE TEMPEP.ATUAE GRA?H EHDWE NORMAL MAYi MUM AND NORf1AL <br />MINIMUM DP.I LY TEMP'cRATU RES (SOLID CURVLS) MID THE <br />P CTUAL DAILY HIGH AIJO LOW TEM PERATUR E$ (VEP.TIrAL BAPS) <br />PAGE c AIJD ]: <br />H/C SN RICA?EE HEATING AND CO]LIIJG DEGREE DAYS. <br />RH IMIIGATES RELATIVE HiR1I DI TY <br />W/0 INDICATES WEATHEP MID 035TP.UCTIONS <br />S INCI GATES SUNSHINE. <br />PR INIJI GATES PRESSURE. <br />C LOUDCNESg ON PAGE 3 IE THE SUM OF THE cILONETE P. AND <br />SATELLITE DATA NOT TO EXCEED EIGHT EICHTHSIOi:TA51. <br />GENERAL: <br />T INDICATES TRACE PRECIPITATION, AN MfOUNT GREATER <br />THAI: ZERO BUT LESS TH A6 THE LOYJEST REPORTABLE VALUE. <br />. INDICATES THE VALU F. AL50 OCCORE ON EARLIER DATES. <br />9LANK ENTRIES DENOTE NISSIRG OR UNREPORTED DATA. <br />NOPJM LS ARE 30-YEAP. AVERAGES (1961 - 1990). <br />ASOS INDICATES AUTOMATED SURFACE OBSERVING SYSTEM.. <br />PN. INDICATES THE LAST DAY OF THE PREVIOUS HONTH. <br />POP. (PEP.I OD OF RECORD) BEGIIJS WITH THE dANU AR't DATA <br />MONTH AND IS THE tNMBEP. OF YEARS USED TO COMPUTE <br />THE MEAN. INDIVIDUAL MONTHS WITHIIJ THE POR MAY <br />BE MISSING. <br />WHEN THE POR FOR A NORMAI, IS LE55 TH MJ 30 YEAP.S, <br />THE NORMAL IS PROVISIONAL AND IS BAS ED ON THE NUMBER <br />OF 'i ERAS INDICATED. <br />0.' Ok INDICATES THE VALUE OR MEAN-DAYS-WITH <br />IS EE^..'E EN O.OD AND 0.05. <br />CLOUDINESS FOR ASOS STATI OIJS DIFFERS FROM THE NON-ASOS <br />OBSERVATION TAKIIJ BY A HUMAN 085 ERVER. A505 STATION <br />CLOUDINESS IS BASED OA TIME-AVERAGED CEILOHET ER DATA <br />FOP. CLOUDS AT OP. BELOW 12,000 FEET AND OIJ SATELLITE <br />DATA FOk CLOUDS ABOVE 12,000 FEET. <br />THE NUMBER OF DAYS 'dI TH CLEAR, PARTLY CLOUDY, AIJD <br />C LOL DY CONDITIONS FOR ASOS STATIONS IE THE SIR: <br />OF THE CEILOMETER AND SATELLITE DATA FOP THE <br />SLl1PS SE TO SUNSET PEAL OD. <br />GENERAL CONTINUED: <br />CLEAR IIJDI GATES 0 - 2 OY.TAS, PAP TLY CLOll DY INDICATES <br />3 - 6 OKTAS, MJD CLOUDY INDICATES 7 OP R OKTAS. <br />WHEN AT LEAST ONE OF THE ELEMENTS ICES LOMETEP. OR <br />SATELLITE) IS MISSING, THE DAILY CLOUDINESS IS <br />NOT CON PUTED. <br />IJI ND DIRECTION I$ RECDADED IN TENS OF DEGREES 12 DIGITS) <br />CLOCKWISE FROM TRUE NORTH. •DO' INDICATES CALM. '36• <br />INT)I GATES TRUE NGATH. <br />ft ESULTAIJT WIND 15 THE VECTOR AVERAGE OF TY.E SPEED AND <br />DIRECTI O[J. <br />AVEPAGE TEMPERATURE LS THE SUM OF THE MEAN DAI L1' MAXIFRtl1 <br />AIJD MINIMUM TEMPEPATURE DIVI DPD BY 2. <br />SNOWFALL DATA COMPRISE ALL FORMS OF FROZEN <br />PRECIPITATION, INCLUDING HAIL. <br />A HEATING ICOOLINCI DEGREE DAY IE THE DI FFDREIJCE BETWEEN <br />THE AVERAGE DAS LY TEMPEPATURE AND 65•F. <br />OP.Y BULB IS THE TFM AERATORS OF THE AMBIENT FIR. <br />OEW POINT IS THE TEMPERATURE TO YJHI CH THE AIR MUST BE <br />CGOLED TO ACHIEVE 100 PERCENT RELATIVE HUMIDITY. <br />WET BULB IS THE TEMPERATUPE THE AIR WOULD HAVE IF THE <br />MOISTURE CONTENT WAS INCREASED TO 100 PEP.CENT RELATi VE <br />HUMIDITY. <br />ON JULY 1, 1996, THE NATIONAL WEATHEP BEP.`II CE BEGAIJ USING <br />THE •METpR' OBSERVATION CODE THAT WAS ALREADY EMPLOYED <br />8Y MOST OTHER NATIONS OF THE WORLD. THE HOST NOTICEABLE <br />DSFFERENCE IN THIS ANIJUAL PUBLICATION WILL BE THE CH.gNGE <br />IN UNITS FROM TENTHS TO EIGIITS (OKTAS) FOP. REPORTING THE <br />AMOUNT OF SKY COVER. <br />pub'Lished by: NCDC Asheville, NC <br />1 I <br />1 <br />1 <br />1 <br />t <br />1 <br />