| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.91 | 2.88 | 0.03 |
| Feb | 2.25 | 2.29 | -0.04 |
| Mar | 3.15 | 3.12 | 0.03 |
| Apr | 3.99 | 4.02 | -0.03 |
| May | 4.27 | 4.21 | 0.06 |
| Jun | 4.33 | 4.45 | -0.12 |
| Jul | 4.43 | 4.35 | 0.08 |
| Aug | 3.32 | 3.34 | -0.02 |
| Sep | 3.13 | 3.00 | 0.13 |
| Oct | 2.86 | 2.82 | 0.04 |
| Nov | 3.10 | 3.07 | 0.03 |
| Dec | 2.87 | 2.83 | 0.04 |
40.61 | 40.38 | 0.23 |