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020003

PRESENT WEATHER Code/Flag Figure Description Status 0 CLOUD DEVELOPMENT NOT OBSERVED OR NOT OBSERVABLE 1 CLOUDS GENERALLY DISSOLVING OR BECOMING LESS DEVELOPED 2 STATE OF SKY ON THE WHOLE UNCHANGED 3 CLOUDS GENERALLY FORMING OR DEVELOPING 4 VISIBILITY REDUCED BY SMOKE, E.G. VELDT OR FOREST FIRES, INDUSTRIAL SMOKE OR VOLCANIC ASHES 5 HAZE 6 WIDESPREAD DUST IN SUSPENSION IN THE AIR, NOT RAISED BY WIND AT OR NEAR THE STATION AT THE TIME OF OBSERVATION 7 DUST OR SAND RAISED BY WIND AT OR NEAR THE STATION AT THE TIME OF OBSERVATION, BUT NO WELL-DEVELOPED DUST WHIRL(S) OR SAND WHIRL(S), AND NO DUSTSTORM OR SANDSTORM SEEN; OR, IN THE CASE OF SEA STATIONS AND COASTAL STATIONS, BLOWING SPRAY AT THE STATION 8 WELL-DEVELOPED DUST WHIRL(S) OR SAND WHIRL(S) SEEN AT OR NEAR THE STATION DURING THE PRECEDING HOUR OR AT THE SAME TIME OF OBSERVATION, BUT NO DUSTSTORM OR SANDSTORM 9 DUSTSTORM OR SANDSTORM WITHIN SIGHT AT THE TIME OF OBSERVATION, OR AT THE STATION DURING THE PRECEDING HOUR 10 MIST 11 PATCHES 12 MORE OR LESS CONTINUOUS 13 LIGHTNING VISIBLE, NO THUNDER HEARD 14 PRECIPITATION WITHIN SIGHT, NOT REACHING THE GROUND OR THE SURFACE OF THE SEA 15 PRECIPITATION WITHIN SIGHT, REACHING THE GROUND OR THE SURFACE OF THE SEA, BUT DISTANT, I.E. ESTIMATED TO BE MORE THAN 5 KM FROM THE STATION 16 PRECIPITATION WITHIN SIGHT, REACHING THE GROUND OR THE SURFACE OF THE SEA, NEAR TO, BUT NOT AT THE STATION 17 THUNDERSTORM, BUT NO PRECIPITATION AT THE TIME OF OBSERVATION 18 SQUALLS 19 FUNNEL CLOUD(S) 20 DRIZZLE (NOT FREEZING) OR SNOW GRAINS 21 RAIN (NOT FREEZING) 22 SNOW 23 RAIN AND SNOW OR ICE PELLETS 24 FREEZING DRIZZLE OR FREEZING RAIN 25 SHOWER(S) OF RAIN 26 SHOWER(S) OF SNOW, OR OF RAIN AND SNOW 27 SHOWER(S) OF HAIL*, OR OF RAIN AND HAIL* 28 FOG OR ICE FOG 29 THUNDERSTORM (WITH OR WITHOUT PRECIPITATION) 30 SLIGHT OR MODERATE DUSTSTORM OR SANDSTORM 31 SLIGHT OR MODERATE DUSTSTORM OR SANDSTORM 32 SLIGHT OR MODERATE DUSTSTORM OR SANDSTORM 33 SEVERE DUSTSTORM OR SANDSTORM 34 SEVERE DUSTSTORM OR SANDSTORM 35 SEVERE DUSTSTORM OR SANDSTORM 36 SLIGHT OR MODERATE DRIFTING SNOW 37 HEAVY DRIFTING SNOW 38 SLIGHT OR MODERATE BLOWING SNOW 39 HEAVY BLOWING SNOW 40 FOG OR ICE FOG AT A DISTANCE AT THE TIME OF OBSERVATION, BUT NOT AT THE STATION DURING THE PRECEDING HOUR, THE FOG OR ICE FOG EXTENDING TO A LEVEL ABOVE THAT OF THE OBSERVER 41 FOG OR ICE FOG IN PATCHES 42 FOG OR ICE FOG, SKY VISIBLE 43 FOG OR ICE FOG, SKY INVISIBLE 44 FOG OR ICE FOG, SKY VISIBLE 45 FOG OR ICE FOG, SKY INVISIBLE 46 FOG OR ICE FOG, SKY VISIBLE 47 FOG OR ICE FOG, SKY INVISIBLE 48 FOG, DEPOSITING RIME, SKY VISIBLE 49 FOG, DEPOSITING RIME, SKY INVISIBLE 50 DRIZZLE, NOT FREEZING, INTERMITTENT 51 DRIZZLE, NOT FREEZING, CONTINUOUS 52 DRIZZLE, NOT FREEZING, INTERMITTENT 53 DRIZZLE, NOT FREEZING, CONTINUOUS 54 DRIZZLE, NOT FREEZING, INTERMITTENT 55 DRIZZLE, NOT FREEZING, CONTINUOUS 56 DRIZZLE, FREEZING, SLIGHT 57 DRIZZLE, FREEZING, MODERATE OR HEAVY (DENSE) 58 DRIZZLE AND RAIN, SLIGHT 59 DRIZZLE AND RAIN, MODERATE OR HEAVY 60 RAIN, NOT FREEZING, INTERMITTENT 61 RAIN, NOT FREEZING, CONTINUOUS 62 RAIN, NOT FREEZING, INTERMITTENT 63 RAIN, NOT FREEZING, CONTINUOUS 64 RAIN, NOT FREEZING, INTERMITTENT 65 RAIN, NOT FREEZING, CONTINUOUS 66 RAIN, FREEZING, SLIGHT 67 RAIN, FREEZING, MODERATE OR HEAVY 68 RAIN OR DRIZZLE AND SNOW, SLIGHT 69 RAIN OR DRIZZLE AND SNOW, MODERATE OR HEAVY 70 INTERMITTENT FALL OF SNOWFLAKES 71 CONTINUOUS FALL OF SNOWFLAKES 72 INTERMITTENT FALL OF SNOWFLAKES 73 CONTINUOUS FALL OF SNOWFLAKES 74 INTERMITTENT FALL OF SNOWFLAKES 75 CONTINUOUS FALL OF SNOWFLAKES 76 DIAMOND DUST (WITH OR WITHOUT FOG) 77 SNOW GRAINS (WITH OR WITHOUT FOG) 78 ISOLATED STAR-LIKE SNOW CRYSTALS (WITH OR WITHOUT FOG) 79 ICE PELLETS 80 RAIN SHOWER(S), SLIGHT 81 RAIN SHOWER(S), MODERATE OR HEAVY 82 RAIN SHOWER(S), VIOLENT 83 SHOWER(S) OF RAIN AND SNOW MIXED, SLIGHT 84 SHOWER(S) OF RAIN AND SNOW MIXED, MODERATE OR HEAVY 85 SNOW SHOWER(S), SLIGHT 86 SNOW SHOWER(S), MODERATE OR HEAVY 87 SHOWER(S) OF SNOW PELLETS OR SMALL HAIL, WITH OR WITHOUT RAIN OR RAIN AND SNOW MIXED 88 SHOWER(S) OF SNOW PELLETS OR SMALL HAIL, WITH OR WITHOUT RAIN OR RAIN AND SNOW MIXED 89 SHOWER(S) OF HAIL, WITH OR WITHOUT RAIN OR RAIN AND SNOW MIXED, NOT ASSOCIATED WITH THUNDER 90 SHOWER(S) OF HAIL, WITH OR WITHOUT RAIN OR RAIN AND SNOW MIXED, NOT ASSOCIATED WITH THUNDER 91 SLIGHT RAIN AT TIME OF OBSERVATION 92 MODERATE OR HEAVY RAIN AT TIME OF OBSERVATION 93 SLIGHT SNOW, OR RAIN AND SNOW MIXED OR HAIL* AT TIME OF OBSERVATION 94 MODERATE OR HEAVY SNOW, OR RAIN AND SNOW MIXED OR HAIL* AT TIME OF OBSERVATION 95 THUNDERSTORM, SLIGHT OR MODERATE, WITHOUT HAIL*, BUT WITH RAIN AND/OR SNOW AT TIME OF OBSERVATION 96 THUNDERSTORM, SLIGHT OR MODERATE, WITH HAIL* AT TIME OF OBSERVATION 97 THUNDERSTORM, HEAVY, WITHOUT HAIL*, BUT WITH RAIN AND/OR SNOW AT TIME OF OBSERVATION 98 THUNDERSTORM COMBINED WITH DUSTSTORM OR SANDSTORM AT TIME OF OBSERVATION 99 THUNDERSTORM, HEAVY, WITH HAIL* AT TIME OF OBSERVATION 100 NO SIGNIFICANT WEATHER OBSERVED 101 CLOUDS GENERALLY DISSOLVING OR BECOMING LESS DEVELOPED DURING THE PAST HOUR 102 STATE OF SKY ON THE WHOLE UNCHANGED DURING THE PAST HOUR 103 CLOUDS GENERALLY FORMING OR DEVELOPING DURING THE PAST HOUR 104 HAZE OR SMOKE, OR DUST IN SUSPENSION IN THE AIR, VISIBILITY EQUAL TO, OR GREATER THAN, 1 KM 105 HAZE OR SMOKE, OR DUST IN SUSPENSION IN THE AIR, VISIBILITY LESS THAN 1 KM 110 MIST 111 DIAMOND DUST 112 DISTANT LIGHTNING 118 SQUALLS 119 RESERVED 120 FOG 121 PRECIPITATION 122 DRIZZLE (NOT FREEZING) OR SNOW GRAINS 123 RAIN (NOT FREEZING) 124 SNOW 125 FREEZING DRIZZLE OR FREEZING RAIN 126 THUNDERSTORM (WITH OR WITHOUT PRECIPITATION) 127 BLOWING OR DRIFTING SNOW OR SAND 128 BLOWING OR DRIFTING SNOW OR SAND, VISIBILITY EQUAL TO, OR GREATER THAN, 1 KM 129 BLOWING OR DRIFTING SNOW OR SAND, VISIBILITY LESS THAN 1 KM 130 FOG 131 FOG OR ICE FOG IN PATCHES 132 FOG OR ICE FOG, HAS BECOME THINNER DURING THE PAST HOUR 133 FOG OR ICE FOG, NO APPRECIABLE CHANGE DURING THE PAST HOUR 134 FOG OR ICE FOG, HAS BEGUN OR BECOME THICKER DURING THE PAST HOUR 135 FOG, DEPOSITING RIME 140 PRECIPITATION 141 PRECIPITATION, SLIGHT OR MODERATE 142 PRECIPITATION, HEAVY 143 LIQUID PRECIPITATION, SLIGHT OR MODERATE 144 LIQUID PRECIPITATION, HEAVY 145 SOLID PRECIPITATION, SLIGHT OR MODERATE 146 SOLID PRECIPITATION, HEAVY 147 FREEZING PRECIPITATION, SLIGHT OR MODERATE 148 FREEZING PRECIPITATION, HEAVY 149 RESERVED 150 DRIZZLE 151 DRIZZLE, NOT FREEZING, SLIGHT 152 DRIZZLE, NOT FREEZING, MODERATE 153 DRIZZLE, NOT FREEZING, HEAVY 154 DRIZZLE, FREEZING, SLIGHT 155 DRIZZLE, FREEZING, MODERATE 156 DRIZZLE, FREEZING, HEAVY 157 DRIZZLE AND RAIN, SLIGHT 158 DRIZZLE AND RAIN, MODERATE OR HEAVY 159 RESERVED 160 RAIN 161 RAIN, NOT FREEZING, SLIGHT 162 RAIN, NOT FREEZING, MODERATE 163 RAIN, NOT FREEZING, HEAVY 164 RAIN, FREEZING, SLIGHT 165 RAIN, FREEZING, MODERATE 166 RAIN, FREEZING, HEAVY 167 RAIN (OR DRIZZLE) AND SNOW, SLIGHT 168 RAIN (OR DRIZZLE) AND SNOW, MODERATE OR HEAVY 169 RESERVED 170 SNOW 171 SNOW, SLIGHT 172 SNOW, MODERATE 173 SNOW, HEAVY 174 ICE PELLETS, SLIGHT 175 ICE PELLETS, MODERATE 176 ICE PELLETS, HEAVY 177 SNOW GRAINS 178 ICE CRYSTALS 179 RESERVED 180 SHOWER(S) OR INTERMITTENT PRECIPITATION 181 RAIN SHOWER(S) OR INTERMITTENT RAIN, SLIGHT 182 RAIN SHOWER(S) OR INTERMITTENT RAIN, MODERATE 183 RAIN SHOWER(S) OR INTERMITTENT RAIN, HEAVY 184 RAIN SHOWER(S) OR INTERMITTENT RAIN, VIOLENT 185 SNOW SHOWER(S) OR INTERMITTENT SNOW, SLIGHT 186 SNOW SHOWER(S) OR INTERMITTENT SNOW, MODERATE 187 SNOW SHOWER(S) OR INTERMITTENT SNOW, HEAVY 188 RESERVED 189 HAIL 190 THUNDERSTORM 191 THUNDERSTORM, SLIGHT OR MODERATE, WITH NO PRECIPITATION 192 THUNDERSTORM, SLIGHT OR MODERATE, WITH RAIN SHOWERS AND/OR SNOW SHOWERS 193 THUNDERSTORM, SLIGHT OR MODERATE, WITH HAIL 194 THUNDERSTORM, HEAVY, WITH NO PRECIPITATION 195 THUNDERSTORM, HEAVY, WITH RAIN SHOWERS AND/OR SNOW SHOWERS 196 THUNDERSTORM, HEAVY, WITH HAIL 199 TORNADO 204 VOLCANIC ASH SUSPENDED IN THE AIR ALOFT 205 NOT USED 206 THICK DUST HAZE, VISIBILITY LESS THAN 1 KM 207 BLOWING SPRAY AT THE STATION 208 DRIFTING DUST (SAND) 209 WALL OF DUST OR SAND IN DISTANCE (LIKE HABOOB) 210 SNOW HAZE 211 WHITEOUT 212 NOT USED 213 LIGHTNING, CLOUD TO SURFACE 217 DRY THUNDERSTORM 218 NOT USED 219 TORNADO CLOUD (DESTRUCTIVE) AT OR WITHIN SIGHT OF THE STATION DURING PRECEDING HOUR OR AT THE TIME OF OBSERVATION 220 DEPOSITION OF VOLCANIC ASH 221 DEPOSITION OF DUST OR SAND 222 DEPOSITION OF DEW 223 DEPOSITION OF WET SNOW 224 DEPOSITION OF SOFT RIME 225 DEPOSITION OF HARD RIME 226 DEPOSITION OF HOAR FROST 227 DEPOSITION OF GLAZE 228 DEPOSITION OF ICE CRUST (ICE SLICK) 229 NOT USED 230 DUSTSTORM OR SANDSTORM WITH TEMPERATURE BELOW 0 °C 239 BLOWING SNOW, IMPOSSIBLE TO DETERMINE WHETHER SNOW IS FALLING OR NOT 240 NOT USED 241 FOG ON SEA 242 FOG IN VALLEYS 243 ARCTIC OR ANTARCTIC SEA SMOKE 244 STEAM FOG (SEA, LAKE OR RIVER) 245 STEAM LOG (LAND) 246 FOG OVER ICE OR SNOW COVER 247 DENSE FOG, VISIBILITY 60-90 M 248 DENSE FOG, VISIBILITY 30-60 M 249 DENSE FOG, VISIBILITY LESS THAN 30 M 250 DRIZZLE, RATE OF FALL - LESS THAN 0.10 MM H-1 251 DRIZZLE, RATE OF FALL - 0.10-0.19 MM H-1 252 DRIZZLE, RATE OF FALL - 0.20-0.39 MM H-1 253 DRIZZLE, RATE OF FALL - 0.40-0.79 MM H-1 254 DRIZZLE, RATE OF FALL - 0.80-1.59 MM H-1 255 DRIZZLE, RATE OF FALL - 1.60-3.19 MM H-1 256 DRIZZLE, RATE OF FALL - 3.20-6.39 MM H-1 257 DRIZZLE, RATE OF FALL - 6.4 MM H-1 OR MORE 258 NOT USED 259 DRIZZLE AND SNOW 260 RAIN, RATE OF FALL - LESS THAN 1.0 MM H-1 261 RAIN, RATE OF FALL - 1.0-1.9 MM H-1 262 RAIN, RATE OF FALL - 2.0-3.9 MM H-1 263 RAIN, RATE OF FALL - 4.0-7.9 MM H-1 264 RAIN, RATE OF FALL - 8.0-15.9 MM H-1 265 RAIN, RATE OF FALL - 16.0-31.9 MM H-1 266 RAIN, RATE OF FALL - 32.0-63.9 MM H-1 267 RAIN, RATE OF FALL - 64.0 MM H-1 OR MORE 270 SNOW, RATE OF FALL - LESS THAN 1.0 CM H-1 271 SNOW, RATE OF FALL - 1.0-1.9 CM H-1 272 SNOW, RATE OF FALL - 2.0-3.9 CM H-1 273 SNOW, RATE OF FALL - 4.0-7.9 CM H-1 274 SNOW, RATE OF FALL - 8.0-15.9 CM H-1 275 SNOW, RATE OF FALL - 16.0-31.9 CM H-1 276 SNOW, RATE OF FALL - 32.0-63.9 CM H-1 277 SNOW, RATE OF FALL - 64.0 CM H-1 OR MORE 278 SNOW OR ICE CRYSTAL PRECIPITATION FROM A CLEAR SKY 279 WET SNOW, FREEZING ON CONTACT 280 PRECIPITATION OF RAIN 281 PRECIPITATION OF RAIN, FREEZING 282 PRECIPITATION OF RAIN AND SNOW MIXED 283 PRECIPITATION OF SNOW 284 PRECIPITATION OF SNOW PELLETS OR SMALL HALL 285 PRECIPITATION OF SNOW PELLETS OR SMALL HAIL, WITH RAIN 286 PRECIPITATION OF SNOW PELLETS OR SMALL HAIL, WITH RAIN AND SNOW MIXED 287 PRECIPITATION OF SNOW PELLETS OR SMALL HAIL, WITH SNOW 288 PRECIPITATION OF HAIL 289 PRECIPITATION OF HAIL, WITH RAIN 290 PRECIPITATION OF HALL, WITH RAIN AND SNOW MIXED 291 PRECIPITATION OF HAIL, WITH SNOW 292 SHOWER(S) OR THUNDERSTORM OVER SEA 293 SHOWER(S) OR THUNDERSTORM OVER MOUNTAINS 508 NO SIGNIFICANT PHENOMENON TO REPORT, PRESENT AND PAST WEATHER OMITTED 509 NO OBSERVATION, DATA NOT AVAILABLE, PRESENT AND PAST WEATHER OMITTED 510 PRESENT AND PAST WEATHER MISSING, BUT EXPECTED 511 MISSING VALUE

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