| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.27 | 1.24 | 0.03 |
| Feb | 1.13 | 1.07 | 0.06 |
| Mar | 1.69 | 1.61 | 0.08 |
| Apr | 2.83 | 2.79 | 0.04 |
| May | 3.54 | 3.46 | 0.08 |
| Jun | 4.17 | 4.11 | 0.06 |
| Jul | 4.09 | 4.04 | 0.05 |
| Aug | 3.42 | 3.33 | 0.09 |
| Sep | 3.67 | 3.57 | 0.10 |
| Oct | 3.55 | 3.42 | 0.13 |
| Nov | 2.00 | 1.89 | 0.11 |
| Dec | 1.62 | 1.56 | 0.06 |
32.98 | 32.09 | 0.89 |