MAGNETIC OBSERVATORY, HERMANUS SOUTH AFRICA, IN COLLABORATION WITH THE COSMIC RAY RESEARCH UNIT, POTCHEFSTROOM UNIVERSITY HERMANUS 12-NM-64 NEUTRON MONITOR COORDINATES 34 25 S, 19 13 E ALTITUDE 26 METERS REAL COUNTS 100 TIMES TABULATED VALUES CORRECTED TO 760.0 MM HG CO-EFFICIENT 0.95 PERCENT/MM HG DATE DAY UT 01 02 03 04 05 06 07 08 09 10 11 12 DAILY MEANS 13 14 15 16 17 18 19 20 21 22 23 24 1 12 1983 335 4110 4154 4121 4137 4142 4129 4140 4128 4112 4159 4142 4156 4163 4180 4151 4173 4163 4154 4144 4143 4158 4134 4142 4139 4144.8 24 2 12 1983 336 4121 4116 4139 4125 4134 4153 4137 4137 4154 4146 4164 4132 4144 4166 4181 4161 4165 4165 4171 4157 4156 4156 4162 4156 4149.9 24 3 12 1983 337 4161 4162 4135 4152 4151 4149 4170 4169 4151 4149 4148 4185 4159 4177 4174 4180 4168 4170 4171 4168 4168 4168 4174 4167 4163.6 24 4 12 1983 338 4167 4164 4153 4162 4179 4158 4153 4162 4171 4174 4190 4189 4176 4203 4210 4188 4213 4217 4189 4196 4184 4176 4170 4154 4179.1 24 5 12 1983 339 4151 4148 4133 4149 4142 4135 4137 4141 4147 4154 4151 4150 4150 4159 4145 4174 4158 4159 4159 4174 4137 4161 4159 4133 4150.3 24 6 12 1983 340 4138 4134 4139 4121 4133 0 4122 4112 4126 4140 4128 4130 4156 4166 4162 4160 4146 4138 4145 4139 4135 4119 4126 4140 4137.2 23 7 12 1983 341 4119 4115 4122 4140 4140 4125 4105 4118 4122 4152 4147 4149 4147 4152 4134 4151 4150 4145 4172 4147 4127 4155 4150 4154 4139.1 24 8 12 1983 342 4136 4163 4129 4127 4137 4133 4149 4125 4142 4142 4156 4156 4143 4151 4151 4170 4152 4130 4138 4117 4127 4125 4142 4140 4140.9 24 9 12 1983 343 4122 4155 4147 4148 4117 4130 4136 4166 4144 4173 4137 4144 4161 4142 4145 4129 4145 4144 4141 4139 4132 4139 4151 4153 4143.3 24 10 12 1983 344 4164 4172 4172 4119 4087 4095 4100 4097 4084 4089 4104 4102 4113 4109 4115 4135 4133 4131 4103 4094 4102 4107 4118 4106 4114.6 24 11 12 1983 345 4097 4104 4116 4116 4099 4100 4124 4092 4091 4095 4083 4067 4085 4078 4120 4108 4075 4105 4101 4123 4107 4114 4120 4115 4101.5 24 12 12 1983 346 4122 4119 4090 4119 4103 4093 4069 4096 4099 4097 4088 4082 4086 4100 4122 4087 4083 4096 4091 4080 4078 4083 4071 4082 4093.2 24 13 12 1983 347 4081 4071 4091 4100 4077 4090 4087 4104 4091 4096 4114 4119 4118 4123 4107 4131 4098 4081 4098 4070 4082 4076 4097 4080 4095.1 24 14 12 1983 348 4089 4101 4119 4100 4105 4109 4125 4092 4081 4115 4111 4100 4124 4133 4112 4150 4125 4153 4106 4114 4109 4112 4095 4134 4113.1 24 15 12 1983 349 4110 4109 4098 4112 4101 4099 4107 4113 4130 4131 4134 4133 4114 4135 4114 4108 4109 4125 4113 4124 4103 4110 4107 4095 4113.9 24 16 12 1983 350 4075 4083 4114 4110 4121 4094 4077 4091 4104 4079 4118 4114 4100 4097 4111 4118 4129 4114 4114 4112 4125 4098 4111 4113 4105.1 24 17 12 1983 351 4106 4118 4115 4129 4114 4153 4127 4126 4125 4132 4139 4125 4121 4103 4121 4139 4119 4103 4114 4126 4118 4107 4142 4123 4122.7 24 18 12 1983 352 4142 4157 4146 4133 4121 4131 4132 4129 4126 4142 4137 4123 4142 4138 4140 4136 4135 4137 4142 4152 4127 4135 4128 4124 4135.6 24 19 12 1983 353 4119 4098 4106 4116 4143 4143 4135 4136 4128 4135 4129 4132 4130 4129 4142 4115 4107 4117 4105 4101 4108 4133 4113 4124 4122.7 24 20 12 1983 354 4119 4120 4121 4123 4123 0 4134 4120 4122 4130 4137 4135 4153 4165 4139 4141 4131 4143 4146 4135 4145 4145 4131 4148 4135.0 23 21 12 1983 355 4154 4142 4146 4128 4123 4126 4145 4135 4134 4141 4153 4148 4151 4157 4153 4138 4141 4150 4145 4158 4131 4136 4147 4151 4143.0 24 22 12 1983 356 4142 4154 4143 4128 4134 4138 4126 4133 4161 4167 4170 4166 4173 4167 4188 4191 4181 4172 4157 4183 4175 4176 4154 4174 4160.5 24 23 12 1983 357 4142 4160 4141 4156 4146 4139 4152 4161 4162 4165 4163 4180 4188 4177 4192 4195 4224 4205 4185 4183 4168 4188 4191 4163 4171.9 24 24 12 1983 358 4186 4156 4170 4158 4164 4172 4160 4144 4158 4170 4160 4150 4181 4208 4206 4199 4200 4176 4171 4160 4169 4171 4165 4152 4171.1 24 25 12 1983 359 4186 4174 4157 4156 4174 4157 4158 4151 4173 4167 4166 4183 4183 4202 4194 4200 4180 4164 4186 4177 4175 4172 4178 4182 4174.8 24 26 12 1983 360 4164 4185 4189 4174 4156 4169 4165 4177 4194 4165 4168 4177 4197 4173 4178 4187 4186 4180 4181 4183 4178 4182 4182 4193 4178.5 24 27 12 1983 361 4172 4175 4163 4161 4160 4155 4146 4163 4157 4168 4157 4155 4171 4167 4158 4175 4178 4178 4179 4174 4193 4178 4180 4171 4168.1 24 28 12 1983 362 4172 4151 4145 4148 4159 4145 4162 4155 4150 4162 4171 4178 4169 4178 4198 4198 4177 4183 4161 4171 4170 4147 4169 4157 4165.7 24 29 12 1983 363 4161 4158 4162 4176 4182 4162 4179 4178 4198 4184 4184 4216 4209 4200 4192 4189 4198 4188 4177 4186 4193 4205 4194 4197 4186.2 24 30 12 1983 364 4188 4203 4187 4189 4203 4193 4176 4168 4161 4181 4160 4179 4186 4185 4162 4151 4136 4142 4138 4170 4158 4168 4160 4135 4170.0 24 31 12 1983 365 4133 4131 4140 4135 4154 4136 4132 4118 4131 4110 4130 4163 4175 4173 4149 4120 4150 4123 4139 4154 4160 4155 4157 0 4142.1 23 MONTHLY MEANS 4137 4140 4137 4137 4136 4135 4134 4133 4136 4142 4143 4146 4151 4155 4154 4155 4150 4148 4145 4145 4142 4143 4145 4142 4143.0 C-12