Measurement results by the hour (Hachioji) 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. 0.0360 0.0313 0.0335
22:01-23:00, Sun., 01 Mar. 0.0401 0.0328 0.0359
21:01-22:00, Sun., 01 Mar. 0.0503 0.0386 0.0437
20:01-21:00, Sun., 01 Mar. 0.0550 0.0474 0.0513
19:01-20:00, Sun., 01 Mar. 0.0577 0.0510 0.0546
18:01-19:00, Sun., 01 Mar. 0.0585 0.0515 0.0550
17:01-18:00, Sun., 01 Mar. 0.0589 0.0485 0.0543
16:01-17:00, Sun., 01 Mar. 0.0571 0.0439 0.0487
15:01-16:00, Sun., 01 Mar. 0.0513 0.0441 0.0471
14:01-15:00, Sun., 01 Mar. 0.0492 0.0429 0.0460
13:01-14:00, Sun., 01 Mar. 0.0505 0.0424 0.0462
12:01-13:00, Sun., 01 Mar. 0.0478 0.0386 0.0426
11:01-12:00, Sun., 01 Mar. 0.0446 0.0367 0.0406
10:01-11:00, Sun., 01 Mar. 0.0432 0.0335 0.0371
09:01-10:00, Sun., 01 Mar. 0.0370 0.0317 0.0345
08:01-09:00, Sun., 01 Mar. 0.0360 0.0319 0.0340
07:01-08:00, Sun., 01 Mar. 0.0359 0.0324 0.0340
06:01-07:00, Sun., 01 Mar. 0.0367 0.0325 0.0343
05:01-06:00, Sun., 01 Mar. 0.0371 0.0315 0.0338
04:01-05:00, Sun., 01 Mar. 0.0368 0.0316 0.0341
03:01-04:00, Sun., 01 Mar. 0.0370 0.0309 0.0335
02:01-03:00, Sun., 01 Mar. 0.0351 0.0304 0.0327
01:01-02:00, Sun., 01 Mar. 0.0341 0.0304 0.0326
00:01-01:00, Sun., 01 Mar. 0.0341 0.0301 0.0325
23:01-24:00, Sat., 28 Feb. 0.0347 0.0303 0.0324
22:01-23:00, Sat., 28 Feb. 0.0351 0.0309 0.0326
21:01-22:00, Sat., 28 Feb. 0.0347 0.0300 0.0322
20:01-21:00, Sat., 28 Feb. 0.0343 0.0306 0.0324
19:01-20:00, Sat., 28 Feb. 0.0342 0.0309 0.0322
18:01-19:00, Sat., 28 Feb. 0.0345 0.0301 0.0321
17:01-18:00, Sat., 28 Feb. 0.0346 0.0299 0.0323
16:01-17:00, Sat., 28 Feb. 0.0347 0.0300 0.0323
15:01-16:00, Sat., 28 Feb. 0.0336 0.0301 0.0321
14:01-15:00, Sat., 28 Feb. 0.0346 0.0302 0.0327
13:01-14:00, Sat., 28 Feb. 0.0346 0.0304 0.0324
12:01-13:00, Sat., 28 Feb. 0.0351 0.0302 0.0323
11:01-12:00, Sat., 28 Feb. 0.0353 0.0304 0.0325
10:01-11:00, Sat., 28 Feb. 0.0347 0.0304 0.0325
09:01-10:00, Sat., 28 Feb. 0.0345 0.0306 0.0327
08:01-09:00, Sat., 28 Feb. 0.0354 0.0308 0.0328
07:01-08:00, Sat., 28 Feb. 0.0349 0.0307 0.0328
06:01-07:00, Sat., 28 Feb. 0.0349 0.0311 0.0333
05:01-06:00, Sat., 28 Feb. 0.0357 0.0314 0.0333
04:01-05:00, Sat., 28 Feb. 0.0348 0.0310 0.0328
03:01-04:00, Sat., 28 Feb. 0.0360 0.0312 0.0330
02:01-03:00, Sat., 28 Feb. 0.0348 0.0310 0.0328
01:01-02:00, Sat., 28 Feb. 0.0344 0.0312 0.0332
00:01-01:00, Sat., 28 Feb. 0.0351 0.0312 0.0332
23:01-24:00, Fri., 27 Feb. 0.0354 0.0317 0.0337
22:01-23:00, Fri., 27 Feb. 0.0356 0.0316 0.0336
21:01-22:00, Fri., 27 Feb. 0.0354 0.0309 0.0336
20:01-21:00, Fri., 27 Feb. 0.0369 0.0309 0.0337
19:01-20:00, Fri., 27 Feb. 0.0362 0.0320 0.0337
18:01-19:00, Fri., 27 Feb. 0.0350 0.0310 0.0334
17:01-18:00, Fri., 27 Feb. 0.0357 0.0315 0.0338
16:01-17:00, Fri., 27 Feb. 0.0350 0.0302 0.0332
15:01-16:00, Fri., 27 Feb. 0.0354 0.0307 0.0329
14:01-15:00, Fri., 27 Feb. 0.0344 0.0304 0.0326
13:01-14:00, Fri., 27 Feb. 0.0344 0.0301 0.0323
12:01-13:00, Fri., 27 Feb. 0.0351 0.0300 0.0326
11:01-12:00, Fri., 27 Feb. 0.0359 0.0314 0.0329
10:01-11:00, Fri., 27 Feb. 0.0359 0.0315 0.0333
09:01-10:00, Fri., 27 Feb. 0.0355 0.0304 0.0334
08:01-09:00, Fri., 27 Feb. 0.0355 0.0309 0.0332
07:01-08:00, Fri., 27 Feb. 0.0358 0.0311 0.0331
06:01-07:00, Fri., 27 Feb. 0.0347 0.0307 0.0328
05:01-06:00, Fri., 27 Feb. 0.0358 0.0304 0.0330
04:01-05:00, Fri., 27 Feb. 0.0353 0.0312 0.0332
03:01-04:00, Fri., 27 Feb. 0.0373 0.0317 0.0337
02:01-03:00, Fri., 27 Feb. 0.0356 0.0316 0.0331
01:01-02:00, Fri., 27 Feb. 0.0357 0.0313 0.0331
00:01-01:00, Fri., 27 Feb. 0.0356 0.0314 0.0332
23:01-24:00, Thu., 26 Feb. 0.0355 0.0314 0.0332
22:01-23:00, Thu., 26 Feb. 0.0360 0.0313 0.0337
21:01-22:00, Thu., 26 Feb. 0.0384 0.0325 0.0354
20:01-21:00, Thu., 26 Feb. 0.0483 0.0359 0.0423
19:01-20:00, Thu., 26 Feb. 0.0485 0.0398 0.0449
18:01-19:00, Thu., 26 Feb. 0.0488 0.0404 0.0443
17:01-18:00, Thu., 26 Feb. 0.0493 0.0411 0.0446
16:01-17:00, Thu., 26 Feb. 0.0501 0.0438 0.0469
15:01-16:00, Thu., 26 Feb. 0.0482 0.0416 0.0454
14:01-15:00, Thu., 26 Feb. 0.0478 0.0400 0.0438
13:01-14:00, Thu., 26 Feb. 0.0469 0.0402 0.0431
12:01-13:00, Thu., 26 Feb. 0.0476 0.0389 0.0425
11:01-12:00, Thu., 26 Feb. 0.0413 0.0342 0.0374
10:01-11:00, Thu., 26 Feb. 0.0429 0.0359 0.0381
09:01-10:00, Thu., 26 Feb. 0.0422 0.0306 0.0360
08:01-09:00, Thu., 26 Feb. 0.0353 0.0309 0.0333
07:01-08:00, Thu., 26 Feb. 0.0355 0.0312 0.0330
06:01-07:00, Thu., 26 Feb. 0.0348 0.0310 0.0332
05:01-06:00, Thu., 26 Feb. 0.0348 0.0304 0.0328
04:01-05:00, Thu., 26 Feb. 0.0367 0.0313 0.0333
03:01-04:00, Thu., 26 Feb. 0.0349 0.0316 0.0334
02:01-03:00, Thu., 26 Feb. 0.0345 0.0310 0.0331
01:01-02:00, Thu., 26 Feb. 0.0346 0.0313 0.0332
00:01-01:00, Thu., 26 Feb. 0.0348 0.0308 0.0330
23:01-24:00, Wed., 25 Feb. 0.0352 0.0304 0.0334
22:01-23:00, Wed., 25 Feb. 0.0355 0.0301 0.0330
21:01-22:00, Wed., 25 Feb. 0.0351 0.0306 0.0328
20:01-21:00, Wed., 25 Feb. 0.0347 0.0302 0.0328
19:01-20:00, Wed., 25 Feb. 0.0350 0.0307 0.0329
18:01-19:00, Wed., 25 Feb. 0.0348 0.0309 0.0327
17:01-18:00, Wed., 25 Feb. 0.0354 0.0309 0.0330
16:01-17:00, Wed., 25 Feb. 0.0356 0.0311 0.0329
15:01-16:00, Wed., 25 Feb. 0.0356 0.0309 0.0331
14:01-15:00, Wed., 25 Feb. 0.0350 0.0313 0.0330
13:01-14:00, Wed., 25 Feb. 0.0347 0.0308 0.0331
12:01-13:00, Wed., 25 Feb. 0.0351 0.0314 0.0332
11:01-12:00, Wed., 25 Feb. 0.0361 0.0318 0.0334
10:01-11:00, Wed., 25 Feb. 0.0351 0.0313 0.0330
09:01-10:00, Wed., 25 Feb. 0.0348 0.0315 0.0334
08:01-09:00, Wed., 25 Feb. 0.0362 0.0301 0.0327
07:01-08:00, Wed., 25 Feb. 0.0353 0.0304 0.0331
06:01-07:00, Wed., 25 Feb. 0.0350 0.0308 0.0327
05:01-06:00, Wed., 25 Feb. 0.0351 0.0305 0.0329
04:01-05:00, Wed., 25 Feb. 0.0349 0.0309 0.0329
03:01-04:00, Wed., 25 Feb. 0.0354 0.0299 0.0332
02:01-03:00, Wed., 25 Feb. 0.0362 0.0307 0.0328
01:01-02:00, Wed., 25 Feb. 0.0346 0.0315 0.0330
00:01-01:00, Wed., 25 Feb. 0.0352 0.0316 0.0327
23:01-24:00, Tue., 24 Feb. 0.0352 0.0309 0.0328
22:01-23:00, Tue., 24 Feb. 0.0346 0.0306 0.0327
21:01-22:00, Tue., 24 Feb. 0.0346 0.0307 0.0329
20:01-21:00, Tue., 24 Feb. 0.0346 0.0304 0.0328
19:01-20:00, Tue., 24 Feb. 0.0343 0.0307 0.0328
18:01-19:00, Tue., 24 Feb. 0.0347 0.0306 0.0328
17:01-18:00, Tue., 24 Feb. 0.0346 0.0303 0.0331
16:01-17:00, Tue., 24 Feb. 0.0344 0.0309 0.0327
15:01-16:00, Tue., 24 Feb. 0.0347 0.0295 0.0324
14:01-15:00, Tue., 24 Feb. 0.0341 0.0305 0.0325
13:01-14:00, Tue., 24 Feb. 0.0349 0.0306 0.0327
12:01-13:00, Tue., 24 Feb. 0.0343 0.0310 0.0327
11:01-12:00, Tue., 24 Feb. 0.0343 0.0314 0.0322
10:01-11:00, Tue., 24 Feb. 0.0320 0.0311 0.0316
09:01-10:00, Tue., 24 Feb. 0.0349 0.0294 0.0322
08:01-09:00, Tue., 24 Feb. 0.0353 0.0304 0.0331
07:01-08:00, Tue., 24 Feb. 0.0361 0.0308 0.0329
06:01-07:00, Tue., 24 Feb. 0.0353 0.0316 0.0331
05:01-06:00, Tue., 24 Feb. 0.0345 0.0306 0.0326
04:01-05:00, Tue., 24 Feb. 0.0353 0.0304 0.0327
03:01-04:00, Tue., 24 Feb. 0.0345 0.0304 0.0327
02:01-03:00, Tue., 24 Feb. 0.0350 0.0299 0.0324
01:01-02:00, Tue., 24 Feb. 0.0343 0.0309 0.0326
00:01-01:00, Tue., 24 Feb. 0.0347 0.0305 0.0323
23:01-24:00, Mon., 23 Feb. 0.0345 0.0304 0.0325
22:01-23:00, Mon., 23 Feb. 0.0346 0.0310 0.0326
21:01-22:00, Mon., 23 Feb. 0.0348 0.0309 0.0328
20:01-21:00, Mon., 23 Feb. 0.0404 0.0317 0.0344
19:01-20:00, Mon., 23 Feb. 0.0443 0.0348 0.0383
18:01-19:00, Mon., 23 Feb. 0.0452 0.0360 0.0414
17:01-18:00, Mon., 23 Feb. 0.0396 0.0316 0.0342
16:01-17:00, Mon., 23 Feb. 0.0354 0.0313 0.0335
15:01-16:00, Mon., 23 Feb. 0.0360 0.0309 0.0336
14:01-15:00, Mon., 23 Feb. 0.0353 0.0308 0.0331
13:01-14:00, Mon., 23 Feb. 0.0356 0.0304 0.0331
12:01-13:00, Mon., 23 Feb. 0.0351 0.0307 0.0329
11:01-12:00, Mon., 23 Feb. 0.0350 0.0308 0.0329
10:01-11:00, Mon., 23 Feb. 0.0359 0.0316 0.0332
09:01-10:00, Mon., 23 Feb. 0.0359 0.0315 0.0334
08:01-09:00, Mon., 23 Feb. 0.0354 0.0311 0.0334
07:01-08:00, Mon., 23 Feb. 0.0357 0.0314 0.0336
06:01-07:00, Mon., 23 Feb. 0.0361 0.0317 0.0341
05:01-06:00, Mon., 23 Feb. 0.0389 0.0327 0.0356
04:01-05:00, Mon., 23 Feb. 0.0397 0.0345 0.0368
03:01-04:00, Mon., 23 Feb. 0.0376 0.0331 0.0351
02:01-03:00, Mon., 23 Feb. 0.0367 0.0325 0.0347
01:01-02:00, Mon., 23 Feb. 0.0358 0.0326 0.0340
00:01-01:00, Mon., 23 Feb. 0.0364 0.0326 0.0344