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Monthly Report: September 2026
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LOCAL CLIMATOLOGICAL DATA copper Month: 09 / 2026 |
Station Location: copper, Chino Hills, CA Lat.033:57:12 Long.0117:41:47 Elevation(Ground): 774. above sea level |
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| Temperature (Farenheit) |
Degree Days Base 64 Degrees |
Snow/ Ice on Grnd. (in.) |
Rain (in.) |
Pressure (inches) |
Wind:Speed=mph |
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| D A Y |
Max. |
Min. | Avg. | Dep From Normal |
Avg Dew pt. |
Avg Wet Bulb |
Heating | Cooling | Sig Cond |
Sun hrs | 2400 LST _____ Snow Fall |
2400 LST _____ Water Equiv |
Avg Sea Level |
Avg Spd |
Avg Dir |
Max Spd |
Max Spd Dir |
D A Y |
||
| 1 | 089.0 | 60.7 | 72.8 | -3.3 | 58.3 | 64.2 | 00.0 | 07.8 | ----- | 00.0 | 00.00 | 00.00 | 29.96 | 03.1 | ~235 | 17.3 | ~195 | 1 | ||
| 2 | 086.6 | 58.3 | 71.0 | -5.8 | 58.5 | 63.6 | 00.0 | 06.1 | ----- | 00.0 | 00.00 | 00.00 | 29.98 | 02.8 | ~235 | 18.4 | ~208 | 2 | ||
| 3 | 085.0 | 58.9 | 70.2 | -7.2 | 59.5 | 63.8 | 00.0 | 05.3 | ----- | 00.0 | 00.00 | 00.00 | 29.93 | 02.9 | ~235 | 17.3 | ~254 | 3 | ||
| 4 | 087.2 | 59.6 | 71.4 | -6.3 | 59.5 | 64.3 | 00.0 | 06.5 | ----- | 00.0 | 00.00 | 00.00 | 29.91 | 02.7 | ~243 | 16.1 | ~289 | 4 | ||
| 5 | 093.0 | 59.1 | 75.5 | -2.3 | 55.0 | 63.5 | 00.0 | 10.5 | ----- | 00.0 | 00.00 | 00.00 | 29.93 | 01.9 | ~244 | 12.7 | ~218 | 5 | ||
| 6 | 073.6 | 64.1 | 70.3 | -7.4 | 63.3 | 66.0 | 00.0 | 05.4 | ----- | 00.0 | 00.00 | 00.66 | 29.94 | 00.8 | ~231 | 11.5 | ~268 | 6 | ||
| 7 | 090.6 | 70.4 | 78.3 | +1.3 | 70.3 | 73.0 | 00.0 | 13.4 | ----- | 00.0 | 00.00 | 00.00 | 29.90 | 00.9 | ~248 | 10.3 | ~219 | 7 | ||
| 8 | 100.3 | 71.4 | 83.1 | +7.0 | 67.6 | 72.8 | 00.0 | 18.1 | HOT | 00.0 | 00.00 | 00.00 | 29.91 | 01.6 | ~263 | 21.9 | ~206 | 8 | ||
| 9 | 108.0 | 75.4 | 90.1 | +14.2 | 67.0 | 74.8 | 00.0 | 25.2 | HOT | 00.0 | 00.00 | 00.00 | 29.92 | 02.4 | ~234 | 20.7 | ~296 | 9 | ||
| 10 | 100.8 | 75.5 | 86.4 | +12.1 | 65.8 | 72.9 | 00.0 | 21.4 | HOT | 00.0 | 00.00 | 00.00 | 29.88 | 02.7 | ~227 | 19.6 | ~245 | 10 | ||
| 11 | 095.2 | 72.0 | 81.7 | +7.8 | 67.1 | 72.1 | 00.0 | 16.8 | HOT | 00.0 | 00.00 | 00.00 | 29.84 | 02.7 | ~232 | 18.4 | ~271 | 11 | ||
| 12 | 091.5 | 68.1 | 77.0 | +3.8 | 68.1 | 71.1 | 00.0 | 12.0 | ----- | 00.0 | 00.00 | 00.00 | 29.88 | 02.9 | ~247 | 16.1 | ~277 | 12 | ||
| 13 | 089.2 | 66.6 | 73.9 | +1.2 | 66.5 | 69.1 | 00.0 | 08.9 | ----- | 00.0 | 00.00 | 00.00 | 29.86 | 02.4 | ~239 | 18.4 | ~255 | 13 | ||
| 14 | 088.5 | 64.7 | 72.7 | +0.4 | 65.0 | 67.8 | 00.0 | 07.8 | ----- | 00.0 | 00.00 | 00.00 | 29.83 | 02.9 | ~239 | 19.6 | ~204 | 14 | ||
| 15 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | 15 | ||
| 16 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | 16 | ||
| 17 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | 17 | ||
| 18 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | 18 | ||
| 19 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | 19 | ||
| 20 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | 20 | ||
| 21 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | 21 | ||
| 22 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | 22 | ||
| 23 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | 23 | ||
| 24 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | 24 | ||
| 25 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | 25 | ||
| 26 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | 26 | ||
| 27 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | 27 | ||
| 28 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | 28 | ||
| 29 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | 29 | ||
| 30 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | 30 | ||
| 31 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | ----- | 31 | ||
| 91.3 108.0 |
66.1 58.3 |
76.7 | +3.3 | 63.7 | 68.5 | 0000.0 | 0011.8 | - | Total 0.0 |
Total 0.00 |
0.66 +0.616 |
29.904 | 02.3 +0.9 |
238 | 17.0 21.9 |
<Monthly Average | ||||
| Degree Days Monthly Total Heating: 000.0 Cooling: 165.2 |
Max 24-hr Precip: 0.66 on Day: 6 Max Snowfall: 0.00 |
Sea Level Pressure Max was 30.04 on day 6 Min was 29.77 on day 11 |
Wind Run 783.6miles | |||||||||||||||||
| Number of days with---------> |
Max Temp >= 86 was 12 Max Temp <= 86 was 2 Thunderstorms: 0 |
Min Temp <= 64 was 6 Min Temp <= 50 was 0 Heavy fog: 0 Gale: 0 |
Precipitation >=.01inch was 1 Precipitation >=.10inch was 1 Snowfall >=1.0inch was 0 |
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