Measurement results by the hour (Chofu) 23 Feb., 2015 - 1 Mar., 2015
Shown in µGy/h (microgray per hour)
Gray indicates an amount of energy (absorbed dose) when radiation hits a material object, and 1 gray (Gy) of radiation doses in the air can be converted to 1 sievert (Sv).
| Measurement time | Dose rate μGy/h (microgray per hour) |
||
|---|---|---|---|
| Maximum value | Minimum value | Average value | |
| 23:01-24:00, Sun., 01 Mar. | 0.0343 | 0.0299 | 0.0321 |
| 22:01-23:00, Sun., 01 Mar. | 0.0399 | 0.0314 | 0.0353 |
| 21:01-22:00, Sun., 01 Mar. | 0.0518 | 0.0370 | 0.0433 |
| 20:01-21:00, Sun., 01 Mar. | 0.0615 | 0.0462 | 0.0526 |
| 19:01-20:00, Sun., 01 Mar. | 0.0651 | 0.0523 | 0.0581 |
| 18:01-19:00, Sun., 01 Mar. | 0.0589 | 0.0522 | 0.0554 |
| 17:01-18:00, Sun., 01 Mar. | 0.0588 | 0.0482 | 0.0531 |
| 16:01-17:00, Sun., 01 Mar. | 0.0529 | 0.0450 | 0.0486 |
| 15:01-16:00, Sun., 01 Mar. | 0.0507 | 0.0434 | 0.0477 |
| 14:01-15:00, Sun., 01 Mar. | 0.0484 | 0.0424 | 0.0454 |
| 13:01-14:00, Sun., 01 Mar. | 0.0470 | 0.0397 | 0.0435 |
| 12:01-13:00, Sun., 01 Mar. | 0.0455 | 0.0350 | 0.0389 |
| 11:01-12:00, Sun., 01 Mar. | 0.0396 | 0.0337 | 0.0365 |
| 10:01-11:00, Sun., 01 Mar. | 0.0372 | 0.0303 | 0.0330 |
| 09:01-10:00, Sun., 01 Mar. | 0.0336 | 0.0290 | 0.0316 |
| 08:01-09:00, Sun., 01 Mar. | 0.0332 | 0.0299 | 0.0318 |
| 07:01-08:00, Sun., 01 Mar. | 0.0343 | 0.0307 | 0.0325 |
| 06:01-07:00, Sun., 01 Mar. | 0.0362 | 0.0308 | 0.0337 |
| 05:01-06:00, Sun., 01 Mar. | 0.0365 | 0.0307 | 0.0340 |
| 04:01-05:00, Sun., 01 Mar. | 0.0374 | 0.0325 | 0.0350 |
| 03:01-04:00, Sun., 01 Mar. | 0.0347 | 0.0298 | 0.0321 |
| 02:01-03:00, Sun., 01 Mar. | 0.0339 | 0.0293 | 0.0311 |
| 01:01-02:00, Sun., 01 Mar. | 0.0326 | 0.0289 | 0.0307 |
| 00:01-01:00, Sun., 01 Mar. | 0.0329 | 0.0288 | 0.0305 |
| 23:01-24:00, Sat., 28 Feb. | 0.0331 | 0.0292 | 0.0309 |
| 22:01-23:00, Sat., 28 Feb. | 0.0326 | 0.0287 | 0.0308 |
| 21:01-22:00, Sat., 28 Feb. | 0.0327 | 0.0284 | 0.0308 |
| 20:01-21:00, Sat., 28 Feb. | 0.0321 | 0.0289 | 0.0306 |
| 19:01-20:00, Sat., 28 Feb. | 0.0325 | 0.0285 | 0.0305 |
| 18:01-19:00, Sat., 28 Feb. | 0.0326 | 0.0282 | 0.0302 |
| 17:01-18:00, Sat., 28 Feb. | 0.0318 | 0.0284 | 0.0301 |
| 16:01-17:00, Sat., 28 Feb. | 0.0327 | 0.0282 | 0.0302 |
| 15:01-16:00, Sat., 28 Feb. | 0.0319 | 0.0288 | 0.0304 |
| 14:01-15:00, Sat., 28 Feb. | 0.0331 | 0.0283 | 0.0307 |
| 13:01-14:00, Sat., 28 Feb. | 0.0326 | 0.0284 | 0.0305 |
| 12:01-13:00, Sat., 28 Feb. | 0.0330 | 0.0276 | 0.0305 |
| 11:01-12:00, Sat., 28 Feb. | 0.0335 | 0.0289 | 0.0308 |
| 10:01-11:00, Sat., 28 Feb. | 0.0329 | 0.0289 | 0.0310 |
| 09:01-10:00, Sat., 28 Feb. | 0.0331 | 0.0279 | 0.0310 |
| 08:01-09:00, Sat., 28 Feb. | 0.0326 | 0.0286 | 0.0307 |
| 07:01-08:00, Sat., 28 Feb. | 0.0329 | 0.0295 | 0.0311 |
| 06:01-07:00, Sat., 28 Feb. | 0.0335 | 0.0290 | 0.0310 |
| 05:01-06:00, Sat., 28 Feb. | 0.0342 | 0.0293 | 0.0313 |
| 04:01-05:00, Sat., 28 Feb. | 0.0334 | 0.0289 | 0.0311 |
| 03:01-04:00, Sat., 28 Feb. | 0.0338 | 0.0282 | 0.0312 |
| 02:01-03:00, Sat., 28 Feb. | 0.0341 | 0.0293 | 0.0315 |
| 01:01-02:00, Sat., 28 Feb. | 0.0333 | 0.0296 | 0.0315 |
| 00:01-01:00, Sat., 28 Feb. | 0.0337 | 0.0286 | 0.0318 |
| 23:01-24:00, Fri., 27 Feb. | 0.0344 | 0.0303 | 0.0319 |
| 22:01-23:00, Fri., 27 Feb. | 0.0341 | 0.0296 | 0.0321 |
| 21:01-22:00, Fri., 27 Feb. | 0.0341 | 0.0302 | 0.0321 |
| 20:01-21:00, Fri., 27 Feb. | 0.0341 | 0.0288 | 0.0320 |
| 19:01-20:00, Fri., 27 Feb. | 0.0341 | 0.0301 | 0.0320 |
| 18:01-19:00, Fri., 27 Feb. | 0.0335 | 0.0298 | 0.0316 |
| 17:01-18:00, Fri., 27 Feb. | 0.0335 | 0.0301 | 0.0320 |
| 16:01-17:00, Fri., 27 Feb. | 0.0333 | 0.0295 | 0.0315 |
| 15:01-16:00, Fri., 27 Feb. | 0.0333 | 0.0293 | 0.0313 |
| 14:01-15:00, Fri., 27 Feb. | 0.0330 | 0.0277 | 0.0307 |
| 13:01-14:00, Fri., 27 Feb. | 0.0328 | 0.0290 | 0.0308 |
| 12:01-13:00, Fri., 27 Feb. | 0.0330 | 0.0293 | 0.0309 |
| 11:01-12:00, Fri., 27 Feb. | 0.0331 | 0.0291 | 0.0310 |
| 10:01-11:00, Fri., 27 Feb. | 0.0333 | 0.0293 | 0.0312 |
| 09:01-10:00, Fri., 27 Feb. | 0.0339 | 0.0295 | 0.0317 |
| 08:01-09:00, Fri., 27 Feb. | 0.0357 | 0.0311 | 0.0330 |
| 07:01-08:00, Fri., 27 Feb. | 0.0359 | 0.0313 | 0.0333 |
| 06:01-07:00, Fri., 27 Feb. | 0.0354 | 0.0311 | 0.0330 |
| 05:01-06:00, Fri., 27 Feb. | 0.0345 | 0.0306 | 0.0328 |
| 04:01-05:00, Fri., 27 Feb. | 0.0353 | 0.0303 | 0.0326 |
| 03:01-04:00, Fri., 27 Feb. | 0.0342 | 0.0304 | 0.0325 |
| 02:01-03:00, Fri., 27 Feb. | 0.0343 | 0.0301 | 0.0320 |
| 01:01-02:00, Fri., 27 Feb. | 0.0343 | 0.0292 | 0.0315 |
| 00:01-01:00, Fri., 27 Feb. | 0.0340 | 0.0297 | 0.0314 |
| 23:01-24:00, Thu., 26 Feb. | 0.0336 | 0.0299 | 0.0314 |
| 22:01-23:00, Thu., 26 Feb. | 0.0348 | 0.0300 | 0.0323 |
| 21:01-22:00, Thu., 26 Feb. | 0.0406 | 0.0320 | 0.0359 |
| 20:01-21:00, Thu., 26 Feb. | 0.0521 | 0.0370 | 0.0456 |
| 19:01-20:00, Thu., 26 Feb. | 0.0557 | 0.0449 | 0.0495 |
| 18:01-19:00, Thu., 26 Feb. | 0.0553 | 0.0425 | 0.0482 |
| 17:01-18:00, Thu., 26 Feb. | 0.0544 | 0.0455 | 0.0501 |
| 16:01-17:00, Thu., 26 Feb. | 0.0558 | 0.0475 | 0.0511 |
| 15:01-16:00, Thu., 26 Feb. | 0.0523 | 0.0442 | 0.0479 |
| 14:01-15:00, Thu., 26 Feb. | 0.0513 | 0.0441 | 0.0478 |
| 13:01-14:00, Thu., 26 Feb. | 0.0498 | 0.0420 | 0.0461 |
| 12:01-13:00, Thu., 26 Feb. | 0.0491 | 0.0404 | 0.0451 |
| 11:01-12:00, Thu., 26 Feb. | 0.0441 | 0.0329 | 0.0368 |
| 10:01-11:00, Thu., 26 Feb. | 0.0361 | 0.0301 | 0.0334 |
| 09:01-10:00, Thu., 26 Feb. | 0.0343 | 0.0303 | 0.0323 |
| 08:01-09:00, Thu., 26 Feb. | 0.0335 | 0.0301 | 0.0317 |
| 07:01-08:00, Thu., 26 Feb. | 0.0342 | 0.0297 | 0.0316 |
| 06:01-07:00, Thu., 26 Feb. | 0.0336 | 0.0299 | 0.0315 |
| 05:01-06:00, Thu., 26 Feb. | 0.0330 | 0.0296 | 0.0314 |
| 04:01-05:00, Thu., 26 Feb. | 0.0338 | 0.0292 | 0.0315 |
| 03:01-04:00, Thu., 26 Feb. | 0.0334 | 0.0291 | 0.0315 |
| 02:01-03:00, Thu., 26 Feb. | 0.0335 | 0.0289 | 0.0313 |
| 01:01-02:00, Thu., 26 Feb. | 0.0330 | 0.0288 | 0.0312 |
| 00:01-01:00, Thu., 26 Feb. | 0.0339 | 0.0293 | 0.0311 |
| 23:01-24:00, Wed., 25 Feb. | 0.0328 | 0.0297 | 0.0312 |
| 22:01-23:00, Wed., 25 Feb. | 0.0334 | 0.0290 | 0.0309 |
| 21:01-22:00, Wed., 25 Feb. | 0.0333 | 0.0294 | 0.0311 |
| 20:01-21:00, Wed., 25 Feb. | 0.0334 | 0.0295 | 0.0313 |
| 19:01-20:00, Wed., 25 Feb. | 0.0335 | 0.0289 | 0.0310 |
| 18:01-19:00, Wed., 25 Feb. | 0.0325 | 0.0290 | 0.0309 |
| 17:01-18:00, Wed., 25 Feb. | 0.0332 | 0.0288 | 0.0310 |
| 16:01-17:00, Wed., 25 Feb. | 0.0323 | 0.0286 | 0.0307 |
| 15:01-16:00, Wed., 25 Feb. | 0.0327 | 0.0288 | 0.0311 |
| 14:01-15:00, Wed., 25 Feb. | 0.0329 | 0.0293 | 0.0310 |
| 13:01-14:00, Wed., 25 Feb. | 0.0342 | 0.0292 | 0.0311 |
| 12:01-13:00, Wed., 25 Feb. | 0.0332 | 0.0299 | 0.0315 |
| 11:01-12:00, Wed., 25 Feb. | 0.0328 | 0.0289 | 0.0306 |
| 10:01-11:00, Wed., 25 Feb. | 0.0325 | 0.0295 | 0.0313 |
| 09:01-10:00, Wed., 25 Feb. | 0.0341 | 0.0299 | 0.0319 |
| 08:01-09:00, Wed., 25 Feb. | 0.0337 | 0.0303 | 0.0319 |
| 07:01-08:00, Wed., 25 Feb. | 0.0340 | 0.0302 | 0.0318 |
| 06:01-07:00, Wed., 25 Feb. | 0.0333 | 0.0292 | 0.0319 |
| 05:01-06:00, Wed., 25 Feb. | 0.0342 | 0.0292 | 0.0316 |
| 04:01-05:00, Wed., 25 Feb. | 0.0343 | 0.0304 | 0.0320 |
| 03:01-04:00, Wed., 25 Feb. | 0.0333 | 0.0302 | 0.0316 |
| 02:01-03:00, Wed., 25 Feb. | 0.0334 | 0.0292 | 0.0316 |
| 01:01-02:00, Wed., 25 Feb. | 0.0333 | 0.0294 | 0.0314 |
| 00:01-01:00, Wed., 25 Feb. | 0.0329 | 0.0299 | 0.0314 |
| 23:01-24:00, Tue., 24 Feb. | 0.0327 | 0.0298 | 0.0315 |
| 22:01-23:00, Tue., 24 Feb. | 0.0334 | 0.0288 | 0.0313 |
| 21:01-22:00, Tue., 24 Feb. | 0.0331 | 0.0294 | 0.0314 |
| 20:01-21:00, Tue., 24 Feb. | 0.0331 | 0.0288 | 0.0312 |
| 19:01-20:00, Tue., 24 Feb. | 0.0336 | 0.0295 | 0.0315 |
| 18:01-19:00, Tue., 24 Feb. | 0.0337 | 0.0293 | 0.0314 |
| 17:01-18:00, Tue., 24 Feb. | 0.0334 | 0.0292 | 0.0312 |
| 16:01-17:00, Tue., 24 Feb. | 0.0330 | 0.0282 | 0.0315 |
| 15:01-16:00, Tue., 24 Feb. | 0.0341 | 0.0293 | 0.0314 |
| 14:01-15:00, Tue., 24 Feb. | 0.0327 | 0.0291 | 0.0311 |
| 13:01-14:00, Tue., 24 Feb. | 0.0332 | 0.0294 | 0.0314 |
| 12:01-13:00, Tue., 24 Feb. | 0.0332 | 0.0297 | 0.0313 |
| 11:01-12:00, Tue., 24 Feb. | 0.0331 | 0.0292 | 0.0314 |
| 10:01-11:00, Tue., 24 Feb. | 0.0332 | 0.0292 | 0.0314 |
| 09:01-10:00, Tue., 24 Feb. | 0.0336 | 0.0291 | 0.0314 |
| 08:01-09:00, Tue., 24 Feb. | 0.0334 | 0.0297 | 0.0319 |
| 07:01-08:00, Tue., 24 Feb. | 0.0333 | 0.0289 | 0.0316 |
| 06:01-07:00, Tue., 24 Feb. | 0.0340 | 0.0289 | 0.0313 |
| 05:01-06:00, Tue., 24 Feb. | 0.0328 | 0.0295 | 0.0312 |
| 04:01-05:00, Tue., 24 Feb. | 0.0330 | 0.0293 | 0.0309 |
| 03:01-04:00, Tue., 24 Feb. | 0.0336 | 0.0291 | 0.0312 |
| 02:01-03:00, Tue., 24 Feb. | 0.0332 | 0.0285 | 0.0312 |
| 01:01-02:00, Tue., 24 Feb. | 0.0334 | 0.0294 | 0.0312 |
| 00:01-01:00, Tue., 24 Feb. | 0.0328 | 0.0291 | 0.0309 |
| 23:01-24:00, Mon., 23 Feb. | 0.0326 | 0.0288 | 0.0308 |
| 22:01-23:00, Mon., 23 Feb. | 0.0326 | 0.0287 | 0.0310 |
| 21:01-22:00, Mon., 23 Feb. | 0.0338 | 0.0301 | 0.0320 |
| 20:01-21:00, Mon., 23 Feb. | 0.0372 | 0.0311 | 0.0342 |
| 19:01-20:00, Mon., 23 Feb. | 0.0507 | 0.0358 | 0.0424 |
| 18:01-19:00, Mon., 23 Feb. | 0.0535 | 0.0355 | 0.0468 |
| 17:01-18:00, Mon., 23 Feb. | 0.0352 | 0.0298 | 0.0325 |
| 16:01-17:00, Mon., 23 Feb. | 0.0331 | 0.0288 | 0.0313 |
| 15:01-16:00, Mon., 23 Feb. | 0.0335 | 0.0289 | 0.0311 |
| 14:01-15:00, Mon., 23 Feb. | 0.0334 | 0.0295 | 0.0314 |
| 13:01-14:00, Mon., 23 Feb. | 0.0341 | 0.0290 | 0.0312 |
| 12:01-13:00, Mon., 23 Feb. | 0.0334 | 0.0297 | 0.0313 |
| 11:01-12:00, Mon., 23 Feb. | 0.0342 | 0.0285 | 0.0316 |
| 10:01-11:00, Mon., 23 Feb. | 0.0341 | 0.0299 | 0.0317 |
| 09:01-10:00, Mon., 23 Feb. | 0.0336 | 0.0305 | 0.0322 |
| 08:01-09:00, Mon., 23 Feb. | 0.0335 | 0.0304 | 0.0320 |
| 07:01-08:00, Mon., 23 Feb. | 0.0340 | 0.0297 | 0.0319 |
| 06:01-07:00, Mon., 23 Feb. | 0.0360 | 0.0315 | 0.0339 |
| 05:01-06:00, Mon., 23 Feb. | 0.0420 | 0.0334 | 0.0368 |
| 04:01-05:00, Mon., 23 Feb. | 0.0407 | 0.0333 | 0.0369 |
| 03:01-04:00, Mon., 23 Feb. | 0.0363 | 0.0332 | 0.0346 |
| 02:01-03:00, Mon., 23 Feb. | 0.0364 | 0.0316 | 0.0339 |
| 01:01-02:00, Mon., 23 Feb. | 0.0350 | 0.0314 | 0.0332 |
| 00:01-01:00, Mon., 23 Feb. | 0.0349 | 0.0319 | 0.0335 |