WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS53 KDMX 300910
CF6MCW
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: MASON CITY IA
MONTH: DECEMBER
YEAR: 2025
LATITUDE: 43 9 N
LONGITUDE: 93 20 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 18 12 15 -12 50 0 T T 6 6.5 14 210 M M 10 1 17 220
2 29 6 18 -8 47 0 T T 6 9.5 18 230 M M 6 1 27 220
3 31 -4 14 -12 51 0 T T 6 16.6 24 330 M M 7 18 30 330
4 14 -13 1 -25 64 0 0.00 0.0 6 10.9 20 180 M M 3 26 180
5 32 10 21 -4 44 0 T T 6 13.8 28 320 M M 7 1 33 320
6 25 10 18 -7 47 0 0.16 4.0 6 7.8 22 320 M M 9 1 30 310
7 22 -7 8 -16 57 0 T T 10 9.1 20 360 M M 3 18 24 360
8 24 5 15 -9 50 0 T T 10 13.1 20 180 M M 10 168 24 170
9 39 19 29 5 36 0 0.02 T 10 13.8 35 290 M M 6 16 45 300
10 36 13 25 2 40 0 T T 9 23.5 43 300 M M 10 1689 58 290
11 21 6 14 -9 51 0 0.00 0.0 8 6.3 16 320 M M 8 20 320
12 23 0 12 -11 53 0 T T 6 12.9 28 320 M M 9 18 35 320
13 4 -1 2 -20 63 0 0.00 0.0 6 16.6 24 330 M M 5 30 320
14 8 -10 -1 -23 66 0 0.00 0.0 5 12.4 23 180 M M 0 31 180
15 30 8 19 -3 46 0 0.00 0.0 5 8.8 25 180 M M 0 37 180
16 41 13 27 6 38 0 0.00 0.0 5 13.3 25 300 M M 0 32 310
17 37 21 29 8 36 0 0.00 0.0 4 12.8 22 150 M M 0 1 30 150
18 39 3 21 0 44 0 0.03 T 3 24.9 44 300 M M 8 189 58 300
19 25 -1 12 -8 53 0 0.00 0.0 3 16.1 32 320 M M 4 8 41 320
20 33 9 21 1 44 0 0.00 0.0 2 14.0 32 320 M M 1 43 320
21 34 6 20 0 45 0 0.00 0.0 2 9.3 16 200 M M 3 22 200
22 37 27 32 12 33 0 0.00 0.0 M 10.0 18 160 M M 3 24 170
23 38 25 32 13 33 0 0.00 0.0 M 7.7 14 310 M M 0 1 16 310
24 34 26 30 11 35 0 0.00 0.0 M 7.4 20 150 M M 6 12 27 150
25 34 33 34 15 31 0 T M M 10.4 21 130 M M 10 12 30 130
26 36 31 34 16 31 0 0.00 0.0 0 7.6 20 330 M M 10 12 24 320
27 37 31 34 16 31 0 0.00 0.0 0 12.0 21 150 M M 10 12 28 140
28 37 7 22 4 43 0 0.30 M M 24.9 43 320 M M 10 129 59 320
29 10 3 7 -11 58 0 T M M 23.3 40 310 M M 7 129 55 310
================================================================================
SM 828 288 1320 0 0.51 4.0 375.3 M 165
================================================================================
AV 28.6 9.9 12.9 FASTST M M 6 MAX(MPH)
MISC ----> 44 300 59 320
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: MASON CITY IA
MONTH: DECEMBER
YEAR: 2025
LATITUDE: 43 9 N
LONGITUDE: 93 20 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 19.2 TOTAL FOR MONTH: 0.51 1 = FOG OR MIST
DPTR FM NORMAL: -2.6 DPTR FM NORMAL: -0.71 2 = FOG REDUCING VISIBILITY
HIGHEST: 41 ON 16 GRTST 24HR 0.30 ON 28-28 TO 1/4 MILE OR LESS
LOWEST: -13 ON 4 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 4.0 INCHES 5 = HAIL
GRTST 24HR 4.0 ON 6- 6 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: 10 ON 9, 8 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: 15 0.01 INCH OR MORE: 4
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 2
MIN 32 OR BELOW: 28 0.50 INCH OR MORE: 0
MIN 0 OR BELOW: 7 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 1320 CLEAR (SCALE 0-3) 9
DPTR FM NORMAL 71 PTCLDY (SCALE 4-7) 9
TOTAL FM JUL 1 2633 CLOUDY (SCALE 8-10) 11
DPTR FM NORMAL -273
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 759 HIGHEST SLP M ON M
DPTR FM NORMAL 157 LOWEST SLP 29.26 ON 18
[REMARKS]