| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.32 | 2.17 | 0.15 |
| Feb | 1.52 | 1.47 | 0.05 |
| Mar | 1.82 | 1.72 | 0.10 |
| Apr | 2.93 | 2.80 | 0.13 |
| May | 3.12 | 3.00 | 0.12 |
| Jun | 3.16 | 3.04 | 0.12 |
| Jul | 2.83 | 2.80 | 0.03 |
| Aug | 3.10 | 3.18 | -0.08 |
| Sep | 3.75 | 3.57 | 0.18 |
| Oct | 4.28 | 4.09 | 0.19 |
| Nov | 2.94 | 2.84 | 0.10 |
| Dec | 2.51 | 2.36 | 0.15 |
34.28 | 33.04 | 1.24 |