NDBC has recently revised the NDBC Handbook of Automated Data Quality Control Checks and Procedures. The new document can be found on our Publications page.
Station LTRM4 - Search and Rescue Data
Average surface winds - six hour block.
| Date (UTC) | Average Wind Dir (True) |
Average Wind Spd (Knots) |
Wind Obs |
Average Seas (Feet) |
Wave Obs |
Air Temp. (Degrees F.) |
Air Temp. Obs |
Water Temp. (Degrees F.) |
Water Temp. Obs |
|---|---|---|---|---|---|---|---|---|---|
| 2025-05-17 1200Z | 83 | 3 | 51 | - | 0 | 55 | 37 | 43 | 51 |
| 2025-05-17 0600Z | 65 | 2 | 60 | - | 0 | 56 | 45 | 43 | 60 |
| 2025-05-17 0000Z | 132 | 7 | 58 | - | 0 | 66 | 45 | 43 | 58 |
| 2025-05-16 1800Z | 156 | 9 | 60 | - | 0 | 71 | 45 | 43 | 60 |
| 2025-05-16 1200Z | 171 | 2 | 60 | - | 0 | 59 | 45 | 42 | 60 |
| 2025-05-16 0600Z | 128 | 6 | 60 | - | 0 | 62 | 40 | 42 | 60 |
| 2025-05-16 0000Z | 124 | 11 | 58 | - | 0 | 69 | 43 | 42 | 60 |
| 2025-05-15 1800Z | 138 | 12 | 60 | - | 0 | 68 | 42 | 42 | 60 |
| 2025-05-15 1200Z | 138 | 7 | 60 | - | 0 | 59 | 39 | 42 | 60 |
| 2025-05-15 0600Z | 140 | 5 | 58 | - | 0 | 59 | 45 | 42 | 60 |
| 2025-05-15 0000Z | 134 | 6 | 60 | - | 0 | 62 | 42 | 42 | 60 |
| 2025-05-14 1800Z | 134 | 10 | 60 | - | 0 | 60 | 42 | 42 | 60 |
| 2025-05-14 1200Z | 139 | 5 | 59 | - | 0 | 59 | 45 | 42 | 59 |
| 2025-05-14 0600Z | 141 | 4 | 60 | - | 0 | 61 | 42 | 42 | 60 |
| 2025-05-14 0000Z | 156 | 7 | 60 | - | 0 | 72 | 42 | 42 | 60 |
| 2025-05-13 1800Z | 154 | 10 | 60 | - | 0 | 74 | 45 | 42 | 60 |
| 2025-05-13 1200Z | 124 | 4 | 60 | - | 0 | 57 | 48 | 42 | 60 |
| 2025-05-13 0600Z | 126 | 4 | 60 | - | 0 | 57 | 43 | 42 | 60 |
| 2025-05-13 0000Z | 143 | 8 | 60 | - | 0 | 72 | 48 | 42 | 60 |
| 2025-05-12 1800Z | 151 | 9 | 60 | - | 0 | 74 | 48 | 41 | 60 |
| 2025-05-12 1200Z | 76 | 1 | 60 | - | 0 | 48 | 37 | 41 | 55 |
| 2025-05-12 0600Z | 128 | 2 | 60 | - | 0 | 43 | 42 | 42 | 60 |
| 2025-05-12 0000Z | 134 | 8 | 60 | - | 0 | 52 | 35 | 41 | 57 |
| 2025-05-11 1800Z | 154 | 12 | 60 | - | 0 | 49 | 41 | 41 | 60 |
| 2025-05-11 1200Z | 152 | 4 | 60 | - | 0 | 41 | 42 | 41 | 60 |
| 2025-05-11 0600Z | 244 | 1 | 60 | - | 0 | 37 | 48 | 41 | 58 |
| 2025-05-11 0000Z | 297 | 9 | 60 | - | 0 | 48 | 40 | 41 | 60 |
| 2025-05-10 1800Z | 309 | 11 | 60 | - | 0 | 54 | 48 | 41 | 60 |
| 2025-05-10 1200Z | 355 | 6 | 57 | - | 0 | 47 | 39 | 41 | 60 |
| 2025-05-10 0600Z | 163 | 1 | 60 | - | 0 | 46 | 44 | 41 | 60 |
| 2025-05-10 0000Z | 240 | 6 | 58 | - | 0 | 62 | 45 | 41 | 60 |
| 2025-05-09 1800Z | 289 | 6 | 57 | - | 0 | 62 | 41 | 41 | 60 |
| 2025-05-09 1200Z | 74 | 1 | 60 | - | 0 | 41 | 44 | 41 | 60 |
| 2025-05-09 0600Z | 299 | 1 | 60 | - | 0 | 36 | 45 | 41 | 60 |
| 2025-05-09 0000Z | 296 | 5 | 12 | - | 0 | 42 | 12 | 41 | 12 |
| 2025-05-08 1200Z | 70 | 7 | 33 | - | 0 | 33 | 36 | 41 | 26 |
| 2025-05-08 0600Z | 55 | 10 | 60 | - | 0 | 38 | 51 | 41 | 60 |
| 2025-05-08 0000Z | 30 | 12 | 60 | - | 0 | 53 | 48 | 41 | 60 |
| 2025-05-07 1800Z | 23 | 5 | 60 | - | 0 | 54 | 45 | 40 | 60 |
| 2025-05-07 1200Z | 47 | 11 | 60 | - | 0 | 47 | 52 | 40 | 60 |
| 2025-05-07 0600Z | 343 | 2 | 60 | - | 0 | 47 | 60 | 40 | 55 |
| 2025-05-07 0000Z | 287 | 6 | 60 | - | 0 | 65 | 52 | 40 | 58 |
| 2025-05-06 1800Z | 304 | 5 | 57 | - | 0 | 68 | 40 | 40 | 58 |
| 2025-05-06 1200Z | 299 | 1 | 60 | - | 0 | 53 | 46 | 40 | 60 |
| 2025-05-06 0600Z | 314 | 2 | 60 | - | 0 | 53 | 52 | 40 | 60 |
| 2025-05-06 0000Z | 147 | 4 | 60 | - | 0 | 67 | 48 | 40 | 60 |
| 2025-05-05 1800Z | 157 | 8 | 60 | - | 0 | 69 | 51 | 40 | 60 |
| 2025-05-05 1200Z | 73 | 2 | 60 | - | 0 | 49 | 54 | 40 | 60 |
| 2025-05-05 0600Z | 95 | 2 | 60 | - | 0 | 47 | 60 | 40 | 60 |
| 2025-05-05 0000Z | 273 | 4 | 60 | - | 0 | 57 | 57 | 40 | 60 |
| 2025-05-04 1800Z | 20 | 2 | 58 | - | 0 | 60 | 48 | 40 | 60 |
| 2025-05-04 1200Z | 67 | 1 | 60 | - | 0 | 41 | 49 | 40 | 57 |
| 2025-05-04 0600Z | 222 | 1 | 60 | - | 0 | 37 | 48 | 40 | 57 |
| 2025-05-04 0000Z | 297 | 5 | 60 | - | 0 | 48 | 57 | 40 | 55 |
| 2025-05-03 1800Z | 317 | 5 | 57 | - | 0 | 46 | 51 | 39 | 60 |
| 2025-05-03 1200Z | 52 | 3 | 60 | - | 0 | 37 | 48 | 39 | 60 |
| 2025-05-03 0600Z | 319 | 3 | 60 | - | 0 | 38 | 57 | 39 | 60 |
| 2025-05-03 0000Z | 296 | 7 | 60 | - | 0 | 42 | 57 | 39 | 60 |
| 2025-05-02 1800Z | 320 | 8 | 60 | - | 0 | 44 | 54 | 39 | 60 |
| 2025-05-02 1200Z | 355 | 6 | 60 | - | 0 | 41 | 54 | 39 | 60 |
| 2025-05-02 0600Z | 10 | 6 | 60 | - | 0 | 42 | 60 | 39 | 60 |
| 2025-05-02 0000Z | 54 | 9 | 60 | - | 0 | 42 | 57 | 39 | 58 |
| 2025-05-01 1800Z | 111 | 8 | 60 | - | 0 | 42 | 53 | 39 | 58 |
| 2025-05-01 1200Z | 103 | 6 | 60 | - | 0 | 37 | 60 | 39 | 60 |
| 2025-05-01 0600Z | 92 | 5 | 60 | - | 0 | 34 | 51 | 39 | 60 |
| 2025-05-01 0000Z | 148 | 7 | 53 | - | 0 | 40 | 47 | 39 | 53 |
| 2025-04-30 1800Z | 149 | 7 | 60 | - | 0 | 41 | 31 | 39 | 60 |
| 2025-04-30 1200Z | 91 | 2 | 60 | - | 0 | - | 0 | 39 | 58 |
| 2025-04-30 0600Z | 321 | 7 | 60 | - | 0 | - | 0 | 39 | 59 |
| 2025-04-30 0000Z | 324 | 17 | 60 | - | 0 | - | 0 | 39 | 59 |
| 2025-04-29 1800Z | 298 | 18 | 60 | - | 0 | 60 | 9 | 39 | 60 |
| 2025-04-29 1200Z | 138 | 3 | 60 | - | 0 | 51 | 51 | 39 | 60 |
| 2025-04-29 0600Z | 78 | 2 | 60 | - | 0 | 52 | 60 | 39 | 60 |
| 2025-04-29 0000Z | 129 | 8 | 60 | - | 0 | 54 | 54 | 39 | 60 |
| 2025-04-28 1800Z | 148 | 12 | 60 | - | 0 | 58 | 60 | 39 | 60 |
| 2025-04-28 1200Z | 129 | 4 | 60 | - | 0 | 46 | 57 | 38 | 60 |
| 2025-04-28 0600Z | 141 | 3 | 60 | - | 0 | 46 | 60 | 38 | 60 |
| 2025-04-28 0000Z | 192 | 4 | 60 | - | 0 | 58 | 52 | 38 | 60 |
| 2025-04-27 1800Z | 327 | 2 | 60 | - | 0 | 56 | 49 | 38 | 60 |
| 2025-04-27 1200Z | 10 | 0 | 60 | - | 0 | 36 | 49 | 38 | 60 |
| 2025-04-27 0600Z | 286 | 2 | 60 | - | 0 | 36 | 57 | 38 | 60 |
| 2025-04-27 0000Z | 309 | 13 | 60 | - | 0 | 43 | 45 | 38 | 60 |
| 2025-04-26 1800Z | 334 | 13 | 60 | - | 0 | 48 | 40 | 37 | 60 |
| 2025-04-26 1200Z | 324 | 8 | 57 | - | 0 | 41 | 45 | 38 | 58 |
| 2025-04-26 0600Z | 350 | 7 | 60 | - | 0 | 40 | 48 | 37 | 60 |
| 2025-04-26 0000Z | 17 | 6 | 60 | - | 0 | 42 | 54 | 38 | 60 |
| 2025-04-25 1800Z | 37 | 7 | 60 | - | 0 | 45 | 48 | 38 | 60 |
| 2025-04-25 1200Z | 54 | 6 | 60 | - | 0 | 44 | 54 | 38 | 60 |
| 2025-04-25 0600Z | 342 | 2 | 60 | - | 0 | 40 | 60 | 38 | 60 |
| 2025-04-25 0000Z | 318 | 8 | 60 | - | 0 | 41 | 51 | 38 | 60 |
| 2025-04-24 1800Z | 307 | 9 | 60 | - | 0 | 43 | 57 | 38 | 60 |
| 2025-04-24 1200Z | 305 | 4 | 60 | - | 0 | 41 | 48 | 38 | 57 |
| 2025-04-24 0600Z | 98 | 3 | 60 | - | 0 | 42 | 48 | 37 | 60 |
| 2025-04-24 0000Z | 126 | 9 | 60 | - | 0 | 49 | 49 | 37 | 60 |
| 2025-04-23 1800Z | 142 | 8 | 60 | - | 0 | 50 | 45 | 37 | 60 |
| 2025-04-23 1200Z | 126 | 4 | 60 | - | 0 | 38 | 45 | 37 | 60 |
| 2025-04-23 0600Z | 79 | 0 | 60 | - | 0 | 36 | 45 | 38 | 60 |
| 2025-04-23 0000Z | 306 | 5 | 60 | - | 0 | 44 | 42 | 37 | 60 |
| 2025-04-22 1800Z | 310 | 10 | 60 | - | 0 | 43 | 48 | 38 | 60 |
| 2025-04-22 1200Z | 310 | 13 | 60 | - | 0 | 37 | 54 | 38 | 60 |
| 2025-04-22 0600Z | 290 | 13 | 60 | - | 0 | 36 | 48 | 38 | 60 |
| 2025-04-22 0000Z | 251 | 8 | 60 | - | 0 | 40 | 57 | 37 | 59 |
| 2025-04-21 1800Z | 125 | 9 | 55 | - | 0 | 39 | 40 | 37 | 54 |
| 2025-04-21 1200Z | 102 | 12 | 60 | - | 0 | 38 | 45 | 37 | 6 |
| 2025-04-21 0600Z | 103 | 8 | 60 | - | 0 | 38 | 45 | - | 0 |
| 2025-04-21 0000Z | 121 | 9 | 60 | - | 0 | 42 | 57 | - | 0 |
| 2025-04-20 1800Z | 148 | 8 | 60 | - | 0 | 41 | 54 | - | 0 |
| 2025-04-20 1200Z | 82 | 2 | 60 | - | 0 | 31 | 53 | - | 0 |
| 2025-04-20 0600Z | 304 | 5 | 60 | - | 0 | 32 | 54 | - | 0 |
| 2025-04-20 0000Z | 299 | 12 | 60 | - | 0 | 33 | 43 | - | 0 |
| 2025-04-19 1800Z | 294 | 15 | 60 | - | 0 | 36 | 51 | - | 0 |
| 2025-04-19 1200Z | 288 | 11 | 60 | - | 0 | 36 | 51 | - | 0 |
| 2025-04-19 0600Z | 294 | 7 | 60 | - | 0 | 37 | 50 | - | 0 |
| 2025-04-19 0000Z | 302 | 6 | 60 | - | 0 | 44 | 57 | - | 0 |
| 2025-04-18 1800Z | 101 | 2 | 60 | - | 0 | 46 | 48 | - | 0 |
| 2025-04-18 1200Z | 107 | 6 | 60 | - | 0 | 40 | 51 | - | 0 |
| 2025-04-18 0600Z | 119 | 9 | 60 | - | 0 | 42 | 52 | - | 0 |
| 2025-04-18 0000Z | 118 | 12 | 60 | - | 0 | 41 | 57 | - | 0 |
| 2025-04-17 1800Z | 131 | 12 | 60 | - | 0 | 42 | 42 | - | 0 |
| 2025-04-17 1200Z | 134 | 2 | 60 | - | 0 | 28 | 45 | - | 0 |
| 2025-04-17 0600Z | 247 | 1 | 60 | - | 0 | 28 | 43 | - | 0 |
| 2025-04-17 0000Z | 295 | 9 | 57 | - | 0 | 34 | 45 | - | 0 |
| 2025-04-16 1800Z | 298 | 13 | 59 | - | 0 | 36 | 60 | - | 0 |
| 2025-04-16 1200Z | 312 | 14 | 59 | - | 0 | 31 | 60 | - | 0 |
| 2025-04-16 0600Z | 312 | 15 | 60 | - | 0 | 32 | 58 | - | 0 |
| 2025-04-16 0000Z | 302 | 20 | 58 | - | 0 | 32 | 60 | - | 0 |
| 2025-04-15 1800Z | 302 | 20 | 60 | - | 0 | 32 | 58 | - | 0 |
| 2025-04-15 1200Z | 309 | 18 | 60 | - | 0 | 32 | 57 | - | 0 |
| 2025-04-15 0600Z | 271 | 11 | 60 | - | 0 | 35 | 57 | - | 0 |
| 2025-04-15 0000Z | 287 | 7 | 60 | - | 0 | 38 | 60 | - | 0 |
| 2025-04-14 1800Z | 305 | 1 | 60 | - | 0 | 44 | 60 | - | 0 |
| 2025-04-14 1200Z | 123 | 8 | 60 | - | 0 | 40 | 60 | - | 0 |
| 2025-04-14 0600Z | 119 | 6 | 60 | - | 0 | 41 | 60 | - | 0 |
| 2025-04-14 0000Z | 113 | 7 | 60 | - | 0 | 48 | 60 | - | 0 |
| 2025-04-13 1800Z | 135 | 7 | 60 | - | 0 | 51 | 54 | - | 0 |
| 2025-04-13 1200Z | 122 | 3 | 60 | - | 0 | 39 | 56 | - | 0 |
| 2025-04-13 0600Z | 97 | 3 | 60 | - | 0 | 39 | 58 | - | 0 |
| 2025-04-13 0000Z | 182 | 5 | 60 | - | 0 | 48 | 52 | - | 0 |
| 2025-04-12 1800Z | 159 | 3 | 60 | - | 0 | 49 | 54 | - | 0 |
| 2025-04-12 1200Z | 111 | 1 | 60 | - | 0 | 28 | 60 | - | 0 |
| 2025-04-12 0600Z | 239 | 1 | 60 | - | 0 | 29 | 51 | - | 0 |
| 2025-04-12 0000Z | 285 | 5 | 59 | - | 0 | 41 | 59 | - | 0 |
| 2025-04-11 1800Z | 278 | 6 | 60 | - | 0 | 45 | 52 | - | 0 |
| 2025-04-11 1200Z | 306 | 2 | 57 | - | 0 | 31 | 51 | - | 0 |
| 2025-04-11 0600Z | 264 | 1 | 60 | - | 0 | 28 | 55 | - | 0 |
| 2025-04-11 0000Z | 246 | 2 | 60 | - | 0 | 39 | 57 | - | 0 |
| 2025-04-10 1800Z | 149 | 7 | 57 | - | 0 | 39 | 57 | - | 0 |
| 2025-04-10 1200Z | 87 | 4 | 60 | - | 0 | 29 | 43 | - | 0 |
| 2025-04-10 0600Z | 78 | 3 | 53 | - | 0 | 27 | 33 | - | 0 |
| 2025-04-10 0000Z | 159 | 5 | 60 | - | 0 | 33 | 45 | - | 0 |
| 2025-04-09 1800Z | 134 | 3 | 59 | - | 0 | 33 | 42 | - | 0 |
| 2025-04-09 1200Z | 66 | 2 | 60 | - | 0 | 17 | 48 | - | 0 |
| 2025-04-09 0600Z | 154 | 1 | 60 | - | 0 | 16 | 43 | - | 0 |
| 2025-04-09 0000Z | 290 | 9 | 60 | - | 0 | 24 | 57 | - | 0 |
| 2025-04-08 1800Z | 303 | 14 | 60 | - | 0 | 24 | 51 | - | 0 |
| 2025-04-08 1200Z | 330 | 7 | 60 | - | 0 | 17 | 54 | - | 0 |
| 2025-04-08 0600Z | 348 | 11 | 60 | - | 0 | 21 | 57 | - | 0 |
| 2025-04-08 0000Z | 317 | 15 | 60 | - | 0 | 27 | 51 | - | 0 |
| 2025-04-07 1800Z | 326 | 14 | 60 | - | 0 | 27 | 57 | - | 0 |
| 2025-04-07 1200Z | 24 | 15 | 58 | - | 0 | 27 | 54 | - | 0 |
| 2025-04-07 0600Z | 48 | 11 | 60 | - | 0 | 30 | 57 | - | 0 |
| 2025-04-07 0000Z | 310 | 2 | 60 | - | 0 | 36 | 57 | - | 0 |
| 2025-04-06 1800Z | 293 | 7 | 60 | - | 0 | 36 | 55 | - | 0 |
| 2025-04-06 1200Z | 268 | 4 | 60 | - | 0 | 29 | 55 | - | 0 |
| 2025-04-06 0600Z | 295 | 8 | 60 | - | 0 | 31 | 52 | - | 0 |
| 2025-04-06 0000Z | 295 | 16 | 58 | - | 0 | 33 | 55 | - | 0 |
| 2025-04-05 1800Z | 297 | 12 | 60 | - | 0 | 37 | 55 | - | 0 |
| 2025-04-05 1200Z | 110 | 0 | 60 | - | 0 | 35 | 44 | - | 0 |
| 2025-04-05 0600Z | 106 | 3 | 54 | - | 0 | 35 | 55 | - | 0 |
| 2025-04-05 0000Z | 142 | 5 | 53 | - | 0 | 40 | 37 | - | 0 |
| 2025-04-04 1800Z | 170 | 3 | 60 | - | 0 | 44 | 48 | - | 0 |
| 2025-04-04 1200Z | 190 | 1 | 30 | - | 0 | 39 | 8 | - | 0 |
| 2025-04-03 1800Z | 276 | 14 | 54 | - | 0 | 38 | 42 | - | 0 |
| 2025-04-03 1200Z | 219 | 8 | 60 | - | 0 | 37 | 45 | - | 0 |
| 2025-04-03 0600Z | 116 | 9 | 60 | - | 0 | 33 | 40 | - | 0 |
| 2025-04-03 0000Z | 113 | 18 | 60 | - | 0 | 29 | 51 | - | 0 |
| 2025-04-02 1800Z | 107 | 19 | 60 | - | 0 | 29 | 39 | - | 0 |
| 2025-04-02 1200Z | 113 | 16 | 57 | - | 0 | 29 | 42 | - | 0 |
| 2025-04-02 0600Z | 108 | 8 | 57 | - | 0 | 26 | 39 | - | 0 |
| 2025-04-02 0000Z | 131 | 6 | 30 | - | 0 | 27 | 21 | - | 0 |
The six-hour averages are calculated as follows:
- The 0000Z average uses data from 2100Z to 0259Z.
- The 0600Z average uses data from 0300Z to 0859Z.
- The 1200Z average uses data from 0900Z to 1459Z.
- The 1800Z average uses data from 1500Z to 2059Z.
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