Measurement results by the hour (Hachioji) 29 Jan., 2018 - 4 Feb., 2018

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., 04 Feb. 0.0323 0.0286 0.0305
22:01-23:00, Sun., 04 Feb. 0.0329 0.0284 0.0306
21:01-22:00, Sun., 04 Feb. 0.0327 0.0288 0.0306
20:01-21:00, Sun., 04 Feb. 0.0325 0.0285 0.0307
19:01-20:00, Sun., 04 Feb. 0.0336 0.0297 0.0316
18:01-19:00, Sun., 04 Feb. 0.0356 0.0303 0.0333
17:01-18:00, Sun., 04 Feb. 0.0359 0.0286 0.0326
16:01-17:00, Sun., 04 Feb. 0.0319 0.0276 0.0301
15:01-16:00, Sun., 04 Feb. 0.0319 0.0278 0.0301
14:01-15:00, Sun., 04 Feb. 0.0320 0.0276 0.0298
13:01-14:00, Sun., 04 Feb. 0.0314 0.0277 0.0296
12:01-13:00, Sun., 04 Feb. 0.0313 0.0278 0.0298
11:01-12:00, Sun., 04 Feb. 0.0313 0.0279 0.0299
10:01-11:00, Sun., 04 Feb. 0.0320 0.0285 0.0302
09:01-10:00, Sun., 04 Feb. 0.0330 0.0286 0.0309
08:01-09:00, Sun., 04 Feb. 0.0332 0.0291 0.0312
07:01-08:00, Sun., 04 Feb. 0.0336 0.0292 0.0315
06:01-07:00, Sun., 04 Feb. 0.0347 0.0299 0.0319
05:01-06:00, Sun., 04 Feb. 0.0346 0.0296 0.0319
04:01-05:00, Sun., 04 Feb. 0.0339 0.0295 0.0313
03:01-04:00, Sun., 04 Feb. 0.0336 0.0293 0.0313
02:01-03:00, Sun., 04 Feb. 0.0334 0.0300 0.0316
01:01-02:00, Sun., 04 Feb. 0.0342 0.0299 0.0317
00:01-01:00, Sun., 04 Feb. 0.0328 0.0294 0.0313
23:01-24:00, Sat., 03 Feb. 0.0332 0.0289 0.0309
22:01-23:00, Sat., 03 Feb. 0.0324 0.0285 0.0306
21:01-22:00, Sat., 03 Feb. 0.0333 0.0285 0.0308
20:01-21:00, Sat., 03 Feb. 0.0320 0.0282 0.0301
19:01-20:00, Sat., 03 Feb. 0.0328 0.0278 0.0301
18:01-19:00, Sat., 03 Feb. 0.0312 0.0275 0.0294
17:01-18:00, Sat., 03 Feb. 0.0316 0.0274 0.0292
16:01-17:00, Sat., 03 Feb. 0.0312 0.0277 0.0293
15:01-16:00, Sat., 03 Feb. 0.0316 0.0273 0.0292
14:01-15:00, Sat., 03 Feb. 0.0314 0.0274 0.0293
13:01-14:00, Sat., 03 Feb. 0.0312 0.0277 0.0294
12:01-13:00, Sat., 03 Feb. 0.0312 0.0279 0.0292
11:01-12:00, Sat., 03 Feb. 0.0308 0.0270 0.0291
10:01-11:00, Sat., 03 Feb. 0.0313 0.0279 0.0291
09:01-10:00, Sat., 03 Feb. 0.0317 0.0269 0.0292
08:01-09:00, Sat., 03 Feb. 0.0311 0.0277 0.0296
07:01-08:00, Sat., 03 Feb. 0.0318 0.0278 0.0299
06:01-07:00, Sat., 03 Feb. 0.0318 0.0279 0.0297
05:01-06:00, Sat., 03 Feb. 0.0318 0.0274 0.0296
04:01-05:00, Sat., 03 Feb. 0.0314 0.0273 0.0294
03:01-04:00, Sat., 03 Feb. 0.0323 0.0275 0.0295
02:01-03:00, Sat., 03 Feb. 0.0317 0.0277 0.0293
01:01-02:00, Sat., 03 Feb. 0.0303 0.0268 0.0288
00:01-01:00, Sat., 03 Feb. 0.0321 0.0264 0.0286
23:01-24:00, Fri., 02 Feb. 0.0300 0.0268 0.0285
22:01-23:00, Fri., 02 Feb. 0.0300 0.0263 0.0282
21:01-22:00, Fri., 02 Feb. 0.0315 0.0262 0.0285
20:01-21:00, Fri., 02 Feb. 0.0298 0.0267 0.0281
19:01-20:00, Fri., 02 Feb. 0.0303 0.0258 0.0278
18:01-19:00, Fri., 02 Feb. 0.0300 0.0264 0.0279
17:01-18:00, Fri., 02 Feb. 0.0291 0.0255 0.0275
16:01-17:00, Fri., 02 Feb. 0.0296 0.0251 0.0276
15:01-16:00, Fri., 02 Feb. 0.0293 0.0252 0.0273
14:01-15:00, Fri., 02 Feb. 0.0293 0.0248 0.0273
13:01-14:00, Fri., 02 Feb. 0.0294 0.0254 0.0272
12:01-13:00, Fri., 02 Feb. 0.0290 0.0251 0.0273
11:01-12:00, Fri., 02 Feb. 0.0294 0.0254 0.0272
10:01-11:00, Fri., 02 Feb. 0.0316 0.0268 0.0291
09:01-10:00, Fri., 02 Feb. 0.0337 0.0292 0.0315
08:01-09:00, Fri., 02 Feb. 0.0344 0.0295 0.0312
07:01-08:00, Fri., 02 Feb. 0.0352 0.0294 0.0316
06:01-07:00, Fri., 02 Feb. 0.0368 0.0323 0.0344
05:01-06:00, Fri., 02 Feb. 0.0359 0.0322 0.0341
04:01-05:00, Fri., 02 Feb. 0.0367 0.0323 0.0340
03:01-04:00, Fri., 02 Feb. 0.0385 0.0319 0.0354
02:01-03:00, Fri., 02 Feb. 0.0397 0.0349 0.0370
01:01-02:00, Fri., 02 Feb. 0.0397 0.0344 0.0365
00:01-01:00, Fri., 02 Feb. 0.0402 0.0353 0.0375
23:01-24:00, Thu., 01 Feb. 0.0430 0.0330 0.0361
22:01-23:00, Thu., 01 Feb. 0.0370 0.0323 0.0343
21:01-22:00, Thu., 01 Feb. 0.0365 0.0319 0.0338
20:01-21:00, Thu., 01 Feb. 0.0347 0.0282 0.0326
19:01-20:00, Thu., 01 Feb. 0.0353 0.0308 0.0332
18:01-19:00, Thu., 01 Feb. 0.0369 0.0326 0.0348
17:01-18:00, Thu., 01 Feb. 0.0384 0.0341 0.0359
16:01-17:00, Thu., 01 Feb. 0.0393 0.0337 0.0363
15:01-16:00, Thu., 01 Feb. 0.0391 0.0335 0.0361
14:01-15:00, Thu., 01 Feb. 0.0371 0.0316 0.0345
13:01-14:00, Thu., 01 Feb. 0.0348 0.0301 0.0323
12:01-13:00, Thu., 01 Feb. 0.0330 0.0278 0.0301
11:01-12:00, Thu., 01 Feb. 0.0318 0.0277 0.0296
10:01-11:00, Thu., 01 Feb. 0.0313 0.0276 0.0298
09:01-10:00, Thu., 01 Feb. 0.0315 0.0276 0.0300
08:01-09:00, Thu., 01 Feb. 0.0323 0.0284 0.0306
07:01-08:00, Thu., 01 Feb. 0.0339 0.0295 0.0312
06:01-07:00, Thu., 01 Feb. 0.0330 0.0290 0.0309
05:01-06:00, Thu., 01 Feb. 0.0325 0.0288 0.0308
04:01-05:00, Thu., 01 Feb. 0.0336 0.0298 0.0316
03:01-04:00, Thu., 01 Feb. 0.0334 0.0286 0.0311
02:01-03:00, Thu., 01 Feb. 0.0326 0.0283 0.0310
01:01-02:00, Thu., 01 Feb. 0.0332 0.0288 0.0310
00:01-01:00, Thu., 01 Feb. 0.0329 0.0288 0.0307
23:01-24:00, Wed., 31 Jan. 0.0331 0.0284 0.0309
22:01-23:00, Wed., 31 Jan. 0.0324 0.0282 0.0300
21:01-22:00, Wed., 31 Jan. 0.0315 0.0271 0.0293
20:01-21:00, Wed., 31 Jan. 0.0321 0.0279 0.0295
19:01-20:00, Wed., 31 Jan. 0.0315 0.0277 0.0297
18:01-19:00, Wed., 31 Jan. 0.0305 0.0274 0.0291
17:01-18:00, Wed., 31 Jan. 0.0313 0.0269 0.0292
16:01-17:00, Wed., 31 Jan. 0.0310 0.0270 0.0291
15:01-16:00, Wed., 31 Jan. 0.0316 0.0265 0.0293
14:01-15:00, Wed., 31 Jan. 0.0320 0.0273 0.0292
13:01-14:00, Wed., 31 Jan. 0.0316 0.0269 0.0292
12:01-13:00, Wed., 31 Jan. 0.0316 0.0270 0.0294
11:01-12:00, Wed., 31 Jan. 0.0319 0.0280 0.0301
10:01-11:00, Wed., 31 Jan. 0.0322 0.0283 0.0301
09:01-10:00, Wed., 31 Jan. 0.0320 0.0288 0.0303
08:01-09:00, Wed., 31 Jan. 0.0330 0.0285 0.0306
07:01-08:00, Wed., 31 Jan. 0.0326 0.0287 0.0308
06:01-07:00, Wed., 31 Jan. 0.0336 0.0291 0.0306
05:01-06:00, Wed., 31 Jan. 0.0326 0.0286 0.0302
04:01-05:00, Wed., 31 Jan. 0.0326 0.0290 0.0307
03:01-04:00, Wed., 31 Jan. 0.0319 0.0281 0.0298
02:01-03:00, Wed., 31 Jan. 0.0321 0.0282 0.0298
01:01-02:00, Wed., 31 Jan. 0.0322 0.0290 0.0305
00:01-01:00, Wed., 31 Jan. 0.0323 0.0278 0.0301
23:01-24:00, Tue., 30 Jan. 0.0317 0.0277 0.0298
22:01-23:00, Tue., 30 Jan. 0.0316 0.0276 0.0298
21:01-22:00, Tue., 30 Jan. 0.0319 0.0273 0.0293
20:01-21:00, Tue., 30 Jan. 0.0310 0.0269 0.0289
19:01-20:00, Tue., 30 Jan. 0.0315 0.0264 0.0288
18:01-19:00, Tue., 30 Jan. 0.0304 0.0270 0.0287
17:01-18:00, Tue., 30 Jan. 0.0307 0.0268 0.0287
16:01-17:00, Tue., 30 Jan. 0.0312 0.0269 0.0289
15:01-16:00, Tue., 30 Jan. 0.0302 0.0273 0.0288
14:01-15:00, Tue., 30 Jan. 0.0304 0.0260 0.0290
13:01-14:00, Tue., 30 Jan. 0.0306 0.0276 0.0291
12:01-13:00, Tue., 30 Jan. 0.0307 0.0272 0.0287
11:01-12:00, Tue., 30 Jan. 0.0305 0.0271 0.0288
10:01-11:00, Tue., 30 Jan. 0.0309 0.0268 0.0287
09:01-10:00, Tue., 30 Jan. 0.0309 0.0270 0.0287
08:01-09:00, Tue., 30 Jan. 0.0306 0.0264 0.0285
07:01-08:00, Tue., 30 Jan. 0.0308 0.0270 0.0286
06:01-07:00, Tue., 30 Jan. 0.0309 0.0269 0.0289
05:01-06:00, Tue., 30 Jan. 0.0312 0.0278 0.0293
04:01-05:00, Tue., 30 Jan. 0.0316 0.0271 0.0293
03:01-04:00, Tue., 30 Jan. 0.0304 0.0267 0.0285
02:01-03:00, Tue., 30 Jan. 0.0305 0.0265 0.0283
01:01-02:00, Tue., 30 Jan. 0.0300 0.0263 0.0283
00:01-01:00, Tue., 30 Jan. 0.0301 0.0265 0.0284
23:01-24:00, Mon., 29 Jan. 0.0300 0.0263 0.0283
22:01-23:00, Mon., 29 Jan. 0.0300 0.0265 0.0284
21:01-22:00, Mon., 29 Jan. 0.0298 0.0253 0.0280
20:01-21:00, Mon., 29 Jan. 0.0305 0.0263 0.0280
19:01-20:00, Mon., 29 Jan. 0.0296 0.0259 0.0277
18:01-19:00, Mon., 29 Jan. 0.0299 0.0257 0.0278
17:01-18:00, Mon., 29 Jan. 0.0303 0.0267 0.0284
16:01-17:00, Mon., 29 Jan. 0.0301 0.0266 0.0284
15:01-16:00, Mon., 29 Jan. 0.0303 0.0257 0.0283
14:01-15:00, Mon., 29 Jan. 0.0312 0.0276 0.0288
13:01-14:00, Mon., 29 Jan. 0.0304 0.0266 0.0284
12:01-13:00, Mon., 29 Jan. 0.0310 0.0271 0.0286
11:01-12:00, Mon., 29 Jan. 0.0311 0.0269 0.0291
10:01-11:00, Mon., 29 Jan. 0.0315 0.0275 0.0293
09:01-10:00, Mon., 29 Jan. 0.0309 0.0270 0.0286
08:01-09:00, Mon., 29 Jan. 0.0309 0.0271 0.0288
07:01-08:00, Mon., 29 Jan. 0.0315 0.0264 0.0289
06:01-07:00, Mon., 29 Jan. 0.0314 0.0275 0.0291
05:01-06:00, Mon., 29 Jan. 0.0310 0.0273 0.0290
04:01-05:00, Mon., 29 Jan. 0.0319 0.0272 0.0292
03:01-04:00, Mon., 29 Jan. 0.0306 0.0276 0.0290
02:01-03:00, Mon., 29 Jan. 0.0309 0.0270 0.0287
01:01-02:00, Mon., 29 Jan. 0.0303 0.0267 0.0286
00:01-01:00, Mon., 29 Jan. 0.0314 0.0269 0.0289