Measurement results by the hour (Hachioji) 10 Feb., 2020 - 16 Feb., 2020

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., 16 Feb. 0.0392 0.0317 0.0344
22:01-23:00, Sun., 16 Feb. 0.0452 0.0351 0.0394
21:01-22:00, Sun., 16 Feb. 0.0453 0.0338 0.0385
20:01-21:00, Sun., 16 Feb. 0.0372 0.0331 0.0352
19:01-20:00, Sun., 16 Feb. 0.0378 0.0320 0.0348
18:01-19:00, Sun., 16 Feb. 0.0362 0.0303 0.0332
17:01-18:00, Sun., 16 Feb. 0.0358 0.0289 0.0329
11:01-12:00, Sun., 16 Feb. 0.0402 0.0352 0.0376
10:01-11:00, Sun., 16 Feb. 0.0430 0.0361 0.0386
09:01-10:00, Sun., 16 Feb. 0.0388 0.0321 0.0354
08:01-09:00, Sun., 16 Feb. 0.0374 0.0303 0.0349
07:01-08:00, Sun., 16 Feb. 0.0368 0.0310 0.0337
06:01-07:00, Sun., 16 Feb. 0.0344 0.0304 0.0324
05:01-06:00, Sun., 16 Feb. 0.0340 0.0302 0.0323
04:01-05:00, Sun., 16 Feb. 0.0347 0.0299 0.0322
03:01-04:00, Sun., 16 Feb. 0.0342 0.0303 0.0321
02:01-03:00, Sun., 16 Feb. 0.0350 0.0294 0.0320
01:01-02:00, Sun., 16 Feb. 0.0352 0.0295 0.0324
00:01-01:00, Sun., 16 Feb. 0.0342 0.0300 0.0319
23:01-24:00, Sat., 15 Feb. 0.0339 0.0296 0.0318
22:01-23:00, Sat., 15 Feb. 0.0336 0.0296 0.0317
21:01-22:00, Sat., 15 Feb. 0.0340 0.0298 0.0318
20:01-21:00, Sat., 15 Feb. 0.0340 0.0294 0.0315
19:01-20:00, Sat., 15 Feb. 0.0339 0.0289 0.0310
18:01-19:00, Sat., 15 Feb. 0.0329 0.0288 0.0310
17:01-18:00, Sat., 15 Feb. 0.0334 0.0287 0.0308
16:01-17:00, Sat., 15 Feb. 0.0328 0.0293 0.0309
15:01-16:00, Sat., 15 Feb. 0.0340 0.0293 0.0309
14:01-15:00, Sat., 15 Feb. 0.0331 0.0290 0.0309
13:01-14:00, Sat., 15 Feb. 0.0331 0.0285 0.0311
12:01-13:00, Sat., 15 Feb. 0.0335 0.0296 0.0315
11:01-12:00, Sat., 15 Feb. 0.0328 0.0296 0.0313
10:01-11:00, Sat., 15 Feb. 0.0340 0.0295 0.0320
09:01-10:00, Sat., 15 Feb. 0.0333 0.0290 0.0317
08:01-09:00, Sat., 15 Feb. 0.0340 0.0301 0.0320
07:01-08:00, Sat., 15 Feb. 0.0348 0.0299 0.0324
06:01-07:00, Sat., 15 Feb. 0.0341 0.0304 0.0325
05:01-06:00, Sat., 15 Feb. 0.0353 0.0308 0.0325
04:01-05:00, Sat., 15 Feb. 0.0353 0.0307 0.0325
03:01-04:00, Sat., 15 Feb. 0.0342 0.0293 0.0320
02:01-03:00, Sat., 15 Feb. 0.0341 0.0293 0.0319
01:01-02:00, Sat., 15 Feb. 0.0339 0.0292 0.0321
00:01-01:00, Sat., 15 Feb. 0.0338 0.0299 0.0321
23:01-24:00, Fri., 14 Feb. 0.0344 0.0305 0.0325
22:01-23:00, Fri., 14 Feb. 0.0344 0.0302 0.0321
21:01-22:00, Fri., 14 Feb. 0.0334 0.0305 0.0319
20:01-21:00, Fri., 14 Feb. 0.0336 0.0294 0.0317
19:01-20:00, Fri., 14 Feb. 0.0347 0.0294 0.0318
18:01-19:00, Fri., 14 Feb. 0.0356 0.0308 0.0331
17:01-18:00, Fri., 14 Feb. 0.0396 0.0328 0.0357
16:01-17:00, Fri., 14 Feb. 0.0373 0.0296 0.0328
15:01-16:00, Fri., 14 Feb. 0.0340 0.0293 0.0317
14:01-15:00, Fri., 14 Feb. 0.0338 0.0299 0.0317
13:01-14:00, Fri., 14 Feb. 0.0349 0.0294 0.0317
12:01-13:00, Fri., 14 Feb. 0.0340 0.0299 0.0319
11:01-12:00, Fri., 14 Feb. 0.0336 0.0292 0.0319
10:01-11:00, Fri., 14 Feb. 0.0342 0.0304 0.0322
09:01-10:00, Fri., 14 Feb. 0.0353 0.0302 0.0326
08:01-09:00, Fri., 14 Feb. 0.0352 0.0308 0.0328
07:01-08:00, Fri., 14 Feb. 0.0346 0.0304 0.0326
06:01-07:00, Fri., 14 Feb. 0.0346 0.0305 0.0322
05:01-06:00, Fri., 14 Feb. 0.0349 0.0300 0.0322
04:01-05:00, Fri., 14 Feb. 0.0337 0.0304 0.0322
03:01-04:00, Fri., 14 Feb. 0.0346 0.0298 0.0319
02:01-03:00, Fri., 14 Feb. 0.0343 0.0301 0.0319
01:01-02:00, Fri., 14 Feb. 0.0346 0.0298 0.0320
00:01-01:00, Fri., 14 Feb. 0.0354 0.0304 0.0320
23:01-24:00, Thu., 13 Feb. 0.0341 0.0293 0.0318
22:01-23:00, Thu., 13 Feb. 0.0334 0.0296 0.0318
21:01-22:00, Thu., 13 Feb. 0.0338 0.0294 0.0317
20:01-21:00, Thu., 13 Feb. 0.0349 0.0294 0.0318
19:01-20:00, Thu., 13 Feb. 0.0348 0.0300 0.0321
18:01-19:00, Thu., 13 Feb. 0.0335 0.0298 0.0316
17:01-18:00, Thu., 13 Feb. 0.0332 0.0299 0.0317
16:01-17:00, Thu., 13 Feb. 0.0338 0.0298 0.0319
15:01-16:00, Thu., 13 Feb. 0.0336 0.0295 0.0315
14:01-15:00, Thu., 13 Feb. 0.0346 0.0298 0.0318
13:01-14:00, Thu., 13 Feb. 0.0340 0.0301 0.0319
12:01-13:00, Thu., 13 Feb. 0.0342 0.0301 0.0321
11:01-12:00, Thu., 13 Feb. 0.0354 0.0303 0.0326
10:01-11:00, Thu., 13 Feb. 0.0359 0.0312 0.0336
09:01-10:00, Thu., 13 Feb. 0.0369 0.0330 0.0347
08:01-09:00, Thu., 13 Feb. 0.0365 0.0317 0.0339
07:01-08:00, Thu., 13 Feb. 0.0351 0.0313 0.0331
06:01-07:00, Thu., 13 Feb. 0.0362 0.0310 0.0335
05:01-06:00, Thu., 13 Feb. 0.0364 0.0312 0.0335
04:01-05:00, Thu., 13 Feb. 0.0352 0.0300 0.0324
03:01-04:00, Thu., 13 Feb. 0.0342 0.0301 0.0322
02:01-03:00, Thu., 13 Feb. 0.0349 0.0295 0.0321
01:01-02:00, Thu., 13 Feb. 0.0340 0.0301 0.0323
00:01-01:00, Thu., 13 Feb. 0.0341 0.0310 0.0323
23:01-24:00, Wed., 12 Feb. 0.0350 0.0305 0.0324
22:01-23:00, Wed., 12 Feb. 0.0338 0.0307 0.0320
21:01-22:00, Wed., 12 Feb. 0.0337 0.0284 0.0313
20:01-21:00, Wed., 12 Feb. 0.0327 0.0293 0.0312
19:01-20:00, Wed., 12 Feb. 0.0326 0.0286 0.0311
18:01-19:00, Wed., 12 Feb. 0.0341 0.0287 0.0313
17:01-18:00, Wed., 12 Feb. 0.0330 0.0293 0.0314
16:01-17:00, Wed., 12 Feb. 0.0336 0.0297 0.0315
15:01-16:00, Wed., 12 Feb. 0.0334 0.0290 0.0315
14:01-15:00, Wed., 12 Feb. 0.0344 0.0300 0.0316
13:01-14:00, Wed., 12 Feb. 0.0339 0.0298 0.0318
12:01-13:00, Wed., 12 Feb. 0.0336 0.0299 0.0320
11:01-12:00, Wed., 12 Feb. 0.0338 0.0300 0.0320
10:01-11:00, Wed., 12 Feb. 0.0345 0.0301 0.0323
09:01-10:00, Wed., 12 Feb. 0.0346 0.0303 0.0328
08:01-09:00, Wed., 12 Feb. 0.0364 0.0299 0.0334
07:01-08:00, Wed., 12 Feb. 0.0353 0.0312 0.0332
06:01-07:00, Wed., 12 Feb. 0.0363 0.0317 0.0336
05:01-06:00, Wed., 12 Feb. 0.0348 0.0304 0.0328
04:01-05:00, Wed., 12 Feb. 0.0350 0.0304 0.0324
03:01-04:00, Wed., 12 Feb. 0.0344 0.0292 0.0319
02:01-03:00, Wed., 12 Feb. 0.0343 0.0295 0.0318
01:01-02:00, Wed., 12 Feb. 0.0338 0.0296 0.0320
00:01-01:00, Wed., 12 Feb. 0.0337 0.0297 0.0319
23:01-24:00, Tue., 11 Feb. 0.0346 0.0298 0.0320
22:01-23:00, Tue., 11 Feb. 0.0342 0.0298 0.0318
21:01-22:00, Tue., 11 Feb. 0.0335 0.0295 0.0315
20:01-21:00, Tue., 11 Feb. 0.0331 0.0294 0.0311
19:01-20:00, Tue., 11 Feb. 0.0327 0.0293 0.0308
18:01-19:00, Tue., 11 Feb. 0.0326 0.0291 0.0309
17:01-18:00, Tue., 11 Feb. 0.0330 0.0292 0.0308
16:01-17:00, Tue., 11 Feb. 0.0326 0.0280 0.0311
15:01-16:00, Tue., 11 Feb. 0.0325 0.0286 0.0308
14:01-15:00, Tue., 11 Feb. 0.0333 0.0293 0.0312
13:01-14:00, Tue., 11 Feb. 0.0330 0.0286 0.0311
12:01-13:00, Tue., 11 Feb. 0.0348 0.0297 0.0314
11:01-12:00, Tue., 11 Feb. 0.0333 0.0297 0.0313
10:01-11:00, Tue., 11 Feb. 0.0332 0.0294 0.0313
09:01-10:00, Tue., 11 Feb. 0.0333 0.0291 0.0313
08:01-09:00, Tue., 11 Feb. 0.0331 0.0291 0.0310
07:01-08:00, Tue., 11 Feb. 0.0334 0.0290 0.0307
06:01-07:00, Tue., 11 Feb. 0.0326 0.0289 0.0309
05:01-06:00, Tue., 11 Feb. 0.0324 0.0295 0.0309
04:01-05:00, Tue., 11 Feb. 0.0333 0.0289 0.0308
03:01-04:00, Tue., 11 Feb. 0.0328 0.0292 0.0310
02:01-03:00, Tue., 11 Feb. 0.0329 0.0288 0.0309
01:01-02:00, Tue., 11 Feb. 0.0334 0.0291 0.0309
00:01-01:00, Tue., 11 Feb. 0.0334 0.0284 0.0310
23:01-24:00, Mon., 10 Feb. 0.0328 0.0294 0.0309
22:01-23:00, Mon., 10 Feb. 0.0334 0.0295 0.0312
21:01-22:00, Mon., 10 Feb. 0.0329 0.0292 0.0312
20:01-21:00, Mon., 10 Feb. 0.0329 0.0284 0.0309
19:01-20:00, Mon., 10 Feb. 0.0329 0.0290 0.0312
18:01-19:00, Mon., 10 Feb. 0.0329 0.0283 0.0311
17:01-18:00, Mon., 10 Feb. 0.0330 0.0292 0.0306
16:01-17:00, Mon., 10 Feb. 0.0331 0.0288 0.0307
15:01-16:00, Mon., 10 Feb. 0.0331 0.0285 0.0305
14:01-15:00, Mon., 10 Feb. 0.0330 0.0283 0.0305
13:01-14:00, Mon., 10 Feb. 0.0327 0.0290 0.0309
12:01-13:00, Mon., 10 Feb. 0.0327 0.0293 0.0307
11:01-12:00, Mon., 10 Feb. 0.0325 0.0291 0.0309
10:01-11:00, Mon., 10 Feb. 0.0330 0.0287 0.0309
09:01-10:00, Mon., 10 Feb. 0.0338 0.0292 0.0313
08:01-09:00, Mon., 10 Feb. 0.0330 0.0282 0.0311
07:01-08:00, Mon., 10 Feb. 0.0337 0.0299 0.0317
06:01-07:00, Mon., 10 Feb. 0.0343 0.0300 0.0322
05:01-06:00, Mon., 10 Feb. 0.0349 0.0299 0.0321
04:01-05:00, Mon., 10 Feb. 0.0345 0.0305 0.0326
03:01-04:00, Mon., 10 Feb. 0.0332 0.0293 0.0315
02:01-03:00, Mon., 10 Feb. 0.0342 0.0303 0.0323
01:01-02:00, Mon., 10 Feb. 0.0343 0.0300 0.0320
00:01-01:00, Mon., 10 Feb. 0.0338 0.0298 0.0318