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| Locations | Temperature(°C) | Max Wind | Amount of rainfall (mm) | ||||
| Max | Min | Direction | Speed (km/hr) | Time | 24 hr | Year-to-Date | |
| May 31, 2011 | |||||||
| Northern Part | |||||||
| MAE HONG SON | 36.5 | 24.4 | SE | 16.68 | 17:40 | - | 407.5 |
| DOI ANG KANG | 23.1 | 17.7 | SSE | 25.95 | 18:05 | 18.2 | 729.2 |
| CHIANG RAI | 33.5 | 23.8 | S | 24.09 | 14:30 | - | 444.3 |
| CHAING RAI AGROMET. | 33.1 | 23.7 | calm | - | 481.3 | ||
| THUNG CHANG | 32.4 | 23.6 | SE | 7.41 | 13:30 | - | 488.8 |
| PHAYAO | 34.0 | 23.4 | S | 22.24 | 15:50 | - | 490.5 |
| THA WANGPHA | 34.3 | 24.0 | S | 11.12 | 14:00 | - | 389.1 |
| THOEN | 34.3 | 24.3 | SSE | 22.24 | 16:15 | 4.1 | 495.4 |
| MAE SARIANG | 35.7 | 22.6 | - N/A - | - | 425.0 | ||
| MAE JO AGROMET. | - N/A - | ||||||
| CHIANG MAI | 34.6 | 24.1 | - N/A - | - | 449.1 | ||
| LAMPANG | 35.3 | 24.5 | - N/A - | - | 569.0 | ||
| LAMPHUN | 34.6 | 24.1 | - N/A - | 12.3 | 535.1 | ||
| PHRAE | 34.1 | 25.7 | SW | 11.12 | 14:15 | - | 513.1 |
| NAN | 35.3 | 24.7 | NNW | 7.41 | 11:00 | - | 568.7 |
| NAN AGROMET. | 33.5 | 24.0 | SSW | 18.53 | 16:30 | 20.5 | 600.7 |
| LAMPANG AGROMET. | 33.8 | 23.6 | - N/A - | - | 521.4 | ||
| UTTARADIT | 35.8 | 26.1 | SSW | 5.56 | 15:40 | - | 559.6 |
| SUKHOTHAI* | 34.0 | 26.6 | WSW | 18.53 | 16:20 | - | 607.6 |
| SI SAMRONG AGROMET. | 34.0 | 26.2 | calm | 4.0 | 568.4 | ||
| LOM SAK | 34.8 | 24.0 | W | 14.83 | 15:00 | - | 332.8 |
| MAE SOT | 33.4 | 24.5 | WSW | 11.12 | 17:45 | Trace | 440.8 |
| TAK | 33.4 | 25.0 | S | 25.95 | 16:04 | 0.2 | 447.5 |
| BHUMIBOL DAM | 33.9 | 23.5 | SE | 5.56 | 13:30 | - | 548.6 |
| PHITSANULOK | 34.3 | 24.8 | SW | 14.83 | 11:20 | 0.1 | 435.7 |
| PHETCHABUN | 34.7 | 25.0 | - N/A - | 0.2 | 578.5 | ||
| KAMPHAENG PHET | 32.5 | 25.9 | SW | 38.92 | 15:09 | - | 472.5 |
| UMPHANG | 32.6 | 21.0 | W | 12.97 | 13:26 | - | 602.0 |
| PICHIT AGROMET. | 34.5 | 25.9 | SSW | 18.53 | 18:20 | 7.0 | 484.3 |
| DOI MU SOE AGROMET. | 28.5 | 21.8 | W | 27.80 | 19:54 | 11.7 | 700.3 |
| WICHIAN BURI | 35.0 | 26.3 | - N/A - | - | 466.3 | ||
| Northeastern Part | |||||||
| LOEI AGROMET. | 34.0 | 23.5 | E | 9.27 | 11:11 | 1.2 | 298.3 |
| NONG KHAI | 34.6 | 25.0 | - N/A - | 1.2 | 332.4 | ||
| LOEI | 33.9 | 24.0 | - N/A - | - | 396.4 | ||
| UDON THANI | 35.5 | 25.2 | - N/A - | 15.8 | 326.5 | ||
| SAKON NAKHON AGROMET. | 32.0 | 25.6 | - N/A - | 71.2 | 514.9 | ||
| SAKON NAKHON | 32.7 | 26.1 | S | 20.39 | 11:31 | 99.7 | 429.7 |
| NAKHON PHANOM | 34.8 | 25.4 | - N/A - | 1.0 | 315.4 | ||
| NAKHON PHANOM AGROMET. | 34.2 | 23.6 | calm | 9.9 | 354.0 | ||
| NONG BUA LAM PHU | 35.5 | 23.9 | E | 7.41 | 22:58 | - | 368.4 |
| KHON KAEN | 36.3 | 25.6 | SW | 22.24 | 12:55 | - | 173.6 |
| MAHASARAKHAM | 35.5 | 23.0 | S | 16.68 | 13:20 | - | 301.2 |
| MUKDAHAN | 34.5 | 27.0 | W | 22.24 | 14:39 | 90.8 | 223.4 |
| THA PHRA AGROMET. | 34.3 | 24.4 | SSW | 12.97 | 13:22 | - | 165.5 |
| KALASIN | 35.0 | 26.6 | SE | 27.80 | 19:10 | - | 228.3 |
| CHAIYAPHUM | 36.0 | 25.0 | - N/A - | 17.4 | 325.2 | ||
| ROI ET AGROMET. | 33.6 | 25.9 | SE | 29.65 | 13:34 | 7.5 | 357.2 |
| ROI ET | 33.8 | 26.7 | S | 27.80 | 13:45 | 7.6 | 281.9 |
| UBON RATCHATHANI | 35.1 | 25.5 | SW | 16.68 | 13:50 | 4.1 | 414.0 |
| UBON RATCHATHANI AGROMET. | 33.9 | 24.5 | S | 16.68 | 16:03 | 0.2 | 300.5 |
| SI SAKET AGROMET. | 34.6 | 25.3 | - N/A - | 25.0 | 343.9 | ||
| THA TUM | 35.5 | 25.7 | SE | 12.97 | 18:47 | - | 174.2 |
| NAKHON RATCHASIMA | 34.9 | 25.2 | - N/A - | 2.2 | 319.0 | ||
| SURIN | 34.4 | 24.9 | SSE | 22.24 | 14:53 | - | 397.7 |
| SURIN AGROMET. | 35.7 | 25.3 | S | 18.53 | 17:20 | - | 283.2 |
| CHOK CHAI | 35.7 | 24.5 | SSW | 11.12 | 11:55 | - | 208.5 |
| PAKCHONG AGROMET. | 31.7 | 23.0 | W | 31.51 | 12:48 | - | 416.2 |
| NANG RONG | 34.8 | 25.0 | E | 16.68 | 16:40 | - | 478.9 |
| BURIRUM | 34.5 | 24.2 | SSE | 14.83 | 20:41 | - | 350.9 |
| Central Part | |||||||
| NAKHON SAWAN | 35.0 | 25.4 | S | 11.12 | 14:55 | - | 578.1 |
| TAKFA AGROMET. | 34.4 | 25.4 | S | 18.53 | 22:52 | - | 420.5 |
| CHAINAT AGROMET. | 34.1 | 26.1 | W | 22.24 | 15:20 | 13.7 | 326.5 |
| AYUTTHAYA | 34.5 | 25.5 | WSW | 9.27 | 15:35 | Trace | 335.4 |
| NAKORNNAYOK | - N/A - | ||||||
| BUA CHUM | 35.5 | 25.1 | SSW | 27.80 | 20:50 | - | 213.0 |
| PATHUMTHANI | 34.0 | 26.8 | S | 11.12 | 19:00 | 32.6 | 558.2 |
| Samut Prakarn | 31.9 | 25.4 | SSW | 22.24 | 21:55 | 21.0 | 508.9 |
| THONG PHAPHUM | 33.4 | 24.0 | SE | 12.97 | 15:18 | 2.3 | 580.1 |
| SUPHAN BURI | 35.4 | 25.0 | S | 7.41 | 18:30 | 13.2 | 348.2 |
| LOP BURI | 35.0 | 25.1 | SSE | 24.09 | 21:10 | 1.6 | 355.4 |
| U THONG AGROMET. | 35.0 | 25.2 | WSW | 3.71 | 16:00 | - | 250.2 |
| SUVARNABHUMI AIRPORT | 33.5 | 26.4 | WSW | 35.21 | 22:00 | 2.3 | 379.1 |
| KANCHANA BURI | 35.5 | 24.0 | WSW | 16.68 | 17:56 | - | 510.3 |
| NAKHONPATHOM | 35.3 | 24.7 | - N/A - | 0.1 | 320.3 | ||
| BANG NA AGROMET. | 34.7 | 26.7 | SSE | 9.27 | 19:00 | 2.1 | 498.0 |
| BANGKOK PORT (KLONG TOEI) | 33.4 | 28.0 | S | 18.53 | 14:30 | - | 619.7 |
| BANGKOK METROPOLIS | 35.5 | 27.0 | S | 18.53 | 13:35 | - | 626.6 |
| DON MUANG AIRPORT | 33.4 | 27.0 | ESE | 25.95 | 10:00 | 2.0 | 645.8 |
| PILOT STATION | 31.9 | 28.3 | S | 37.07 | 18:32 | 22.6 | 151.5 |
| RATCHA BURI | 34.5 | 24.5 | W | 22.24 | 15:07 | 3.9 | 245.5 |
| Eastern Part | |||||||
| PRACHIN BURI | 35.4 | 27.0 | S | 9.27 | 17:00 | - | 534.7 |
| KABIN BURI | 35.6 | 25.5 | SSW | 11.12 | 20:20 | - | 296.1 |
| SA KAEW | 34.9 | 25.9 | SSE | 16.68 | 15:35 | - | 562.4 |
| CHACHOENGSAO | 33.2 | 24.4 | SW | 11.12 | 13:00 | 7.5 | 566.9 |
| CHON BURI | 34.7 | 26.4 | WSW | 9.27 | 20:30 | 2.4 | 418.2 |
| KO SICHANG | 32.0 | 25.5 | WSW | 16.68 | 16:30 | 31.0 | 327.9 |
| PHATTHAYA | 31.5 | 25.6 | - N/A - | 0.2 | 411.4 | ||
| ARANYA PRATHET | 35.7 | 25.5 | W | 33.36 | 14:14 | 0.1 | 323.8 |
| LAEM CHABANG | 31.7 | 24.5 | S | 37.07 | 19:50 | - | 389.9 |
| SATTAHIP | 33.4 | 24.7 | - N/A - | 0.1 | 443.6 | ||
| RAYONG | 32.3 | 25.3 | - N/A - | - | 352.2 | ||
| HUAI PONG AGROMET. | 33.5 | 24.5 | W | 35.21 | 04:15 | 6.9 | 705.0 |
| CHANTHA BURI | 32.8 | 25.2 | - N/A - | 46.9 | 618.0 | ||
| PHLIU AGROMET. | 32.1 | 25.4 | SW | 14.83 | 14:37 | 19.9 | 587.2 |
| TRAD | 32.2 | 24.2 | - N/A - | 22.7 | 966.2 | ||
| Southern Part (East Coast) | |||||||
| PHETCHA BURI | 34.0 | 25.9 | SW | 12.97 | 10:30 | 8.9 | 312.6 |
| NONG PHLUB AGROMET. | 34.4 | 23.5 | - N/A - | 0.3 | 257.3 | ||
| HUA HIN | 33.2 | 25.7 | - N/A - | 0.1 | 171.4 | ||
| PRACHUAP KHIRIKHAN | 34.6 | 25.4 | SW | 33.36 | 09:35 | - | 269.1 |
| CHUMPHON | 33.2 | 24.9 | - N/A - | 12.6 | 751.6 | ||
| SAWI AGROMET. | 31.4 | 23.8 | S | 14.83 | 13:00 | 3.6 | 958.5 |
| KO SAMUI | 33.5 | 26.0 | SSE | 27.80 | 19:15 | 12.9 | 1,671.6 |
| SURAT THANI | 35.1 | 25.0 | SW | 35.21 | 18:40 | 0.2 | 1,116.7 |
| NAKHONSI THAMMARAT | 34.7 | 23.7 | ENE | 22.24 | 17:35 | 5.7 | 2,420.7 |
| NAKHONSI THAMMARAT AGROMET. | 34.2 | 25.4 | SW | 11.12 | 19:00 | - | 2,194.2 |
| SURAT THANI AGROMET. | 34.0 | 23.3 | SW | 16.68 | 19:00 | 2.0 | 2,000.1 |
| PHRA SANG | 34.3 | 23.8 | - N/A - | Trace | 807.8 | ||
| CHAWANG | 34.5 | 23.2 | W | 12.97 | 15:25 | 21.6 | 1,034.0 |
| PHATTHALUNG AGROMET. | 33.7 | 25.4 | W | 22.24 | 13:47 | - | 1,439.5 |
| SONGKHLA | 33.3 | 26.5 | - N/A - | - | 953.1 | ||
| HAT YAI AIRPORT | 34.0 | 24.0 | - N/A - | 3.7 | 681.1 | ||
| KHO HONG AGROMET. | 33.7 | 25.3 | S | 12.97 | 10:24 | 0.3 | 844.8 |
| SA DAO | 33.8 | 24.8 | W | 22.24 | 09:50 | Trace | 319.3 |
| PATTANI AIRPORT | 33.9 | 24.2 | WNW | 18.53 | 12:34 | 0.2 | 655.2 |
| YALA AGROMET. | 33.7 | 24.3 | S | 18.53 | 12:27 | - | 910.3 |
| NARATHIWAT | 33.6 | 24.9 | NW | 31.51 | 15:45 | 12.8 | 1,372.8 |
| Southern Part (West Coast) | |||||||
| RANONG | 32.0 | 24.0 | WSW | 37.07 | 21:11 | 10.5 | 1,100.7 |
| TAKUA PA | 31.3 | 23.7 | WSW | 18.53 | 16:00 | 12.7 | 1,326.1 |
| KRABI | 33.7 | 22.7 | SW | 24.09 | 15:30 | 14.2 | 848.6 |
| PHUKET | 32.0 | 25.0 | W | 25.95 | 14:52 | 26.0 | 742.7 |
| PHUKET AIRPORT | 31.5 | 25.0 | WNW | 31.51 | 20:35 | 16.2 | 938.9 |
| KO LANTA | 32.0 | 25.1 | W | 27.80 | 01:25 | 14.2 | 427.6 |
| TRANG AIRPORT | 34.2 | 23.6 | - N/A - | 8.2 | 853.3 | ||
| SATUN | 33.1 | 25.2 | W | 18.53 | 13:35 | 12.9 | 862.5 |
Note: This is raw observation data which hasn't undergone the inspection process yet.