| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 14.22 | 12.95 | 1.27 |
| Feb | 10.67 | 10.00 | 0.67 |
| Mar | 11.31 | 10.70 | 0.61 |
| Apr | 9.09 | 8.63 | 0.46 |
| May | 5.79 | 5.88 | -0.09 |
| Jun | 3.85 | 3.94 | -0.09 |
| Jul | 0.78 | 0.81 | -0.03 |
| Aug | 1.08 | 1.01 | 0.07 |
| Sep | 3.24 | 3.08 | 0.16 |
| Oct | 8.90 | 7.93 | 0.97 |
| Nov | 14.28 | 12.98 | 1.30 |
| Dec | 16.36 | 15.22 | 1.14 |
99.57 | 93.13 | 6.44 |