WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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968 CXUS55 KBOU 010900 CF6BDU PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: BOULDER AIRPORT MONTH: APRIL YEAR: 2021 LATITUDE: 40 2 N LONGITUDE: 105 14 W TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND ================================================================================ 1 2 3 4 5 6A 6B 7 8 9 10 11 12 13 14 15 16 17 18 12Z AVG MX 2MIN DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR ================================================================================ 1 70 28 49 M 16 0 0.00 M M 4.1 9 230 M M 0 M M 2 73 39 56 M 9 0 0.00 M M 3.8 8 220 M M 0 18 160 3 79 39 59 M 6 0 0.00 M M 3.9 9 110 M M 0 17 120 4 79 50 65 M 0 0 0.00 M M 6.3 15 290 M M 0 24 290 5 79 48 64 M 1 0 0.00 M M 6.2 16 360 M M 0 29 360 6 54 36 45 M 20 0 0.10 M M 5.4 13 350 M M 4 22 330 7 63 32 48 M 17 0 0.00 M M 5.9 24 270 M M 4 35 270 8 70 39 55 M 10 0 0.00 M M 9.8 21 250 M M 1 33 260 9 55 36 46 M 19 0 0.00 M M 6.4 18 250 M M 2 31 250 10 68 30 49 M 16 0 0.00 M M 5.5 22 280 M M 0 31 280 11 55 34 45 M 20 0 0.00 M M 6.0 10 50 M M 4 25 0 12 41 30 36 M 29 0 0.00 M M 3.0 8 350 M M 8 M M 13 39 28 34 M 31 0 0.01 M M 4.7 10 270 M M 10 18 0 14 41 28 35 M 30 0 0.00 M M 4.2 13 350 M M 10 16 350 15 37 30 34 M 31 0 0.19 M M 5.9 12 360 M M 10 1 17 360 16 36 28 32 M 33 0 0.04 M M 1.6 7 360 M M 9 M M 17 45 30 38 M 27 0 0.00 M M 2.8 8 240 M M 2 16 240 18 57 34 46 M 19 0 0.00 M M 6.0 15 270 M M 0 25 0 19 48 21 35 M 30 0 0.37 M M 6.0 20 20 M M 8 1 31 20 20 34 16 25 M 40 0 0.00 M M 2.7 7 50 M M 2 M M 21 32 28 30 M 35 0 0.00 M M 2.5 7 30 M M 8 M M 22 50 32 41 M 24 0 0.00 M M 3.9 14 250 M M 3 1 24 250 23 55 37 46 M 19 0 0.00 M M 5.7 22 290 M M 1 32 290 24 63 34 49 M 16 0 0.00 M M 2.4 8 310 M M 3 M M 25 81 43 62 M 3 0 0.00 M M 4.3 9 240 M M 0 17 110 26 77 50 64 M 1 0 0.00 M M 8.2 16 300 M M 0 38 170 27 59 37 48 M 17 0 0.58 M M 6.8 20 360 M M 5 3 26 0 28 61 37 49 M 16 0 0.21 M M 2.1 7 240 M M 6 M M 29 70 43 57 M 8 0 0.00 M M 4.3 8 240 M M 0 M M 30 79 46 63 M 2 0 0.00 M M 3.8 8 240 M M 0 M M ================================================================================ SM 1750 1043 545 0 1.50 M 144.2 M 100 ================================================================================ AV 58.3 34.8 4.8 FASTST M M 3 MAX(MPH) MISC ----> 24 270 38 170 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: BOULDER AIRPORT MONTH: APRIL YEAR: 2021 LATITUDE: 40 2 N LONGITUDE: 105 14 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 46.6 TOTAL FOR MONTH: 1.50 1 = FOG OR MIST DPTR FM NORMAL: 0.0 DPTR FM NORMAL: M 2 = FOG REDUCING VISIBILITY HIGHEST: 81 ON 25 GRTST 24HR 0.58 ON 27-27 TO 1/4 MILE OR LESS LOWEST: 16 ON 20 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: M 5 = HAIL GRTST 24HR M ON M 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: M ON M 7 = DUSTSTORM OR SANDSTORM: VSBY 1/2 MILE OR LESS 8 = SMOKE OR HAZE [NO. OF DAYS WITH] [WEATHER - DAYS WITH] 9 = BLOWING SNOW X = TORNADO MAX 32 OR BELOW: 1 0.01 INCH OR MORE: 7 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 5 MIN 32 OR BELOW: 13 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 545 CLEAR (SCALE 0-3) 18 DPTR FM NORMAL M PTCLDY (SCALE 4-7) 8 TOTAL FM JUL 1 5346 CLOUDY (SCALE 8-10) 4 DPTR FM NORMAL M [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL M [PRESSURE DATA] TOTAL FM JAN 1 0 HIGHEST SLP M ON M DPTR FM NORMAL M LOWEST SLP M ON M [REMARKS] #FINAL-04-21#