| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.65 | 2.64 | 0.01 |
| Feb | 2.22 | 2.21 | 0.01 |
| Mar | 2.36 | 2.34 | 0.02 |
| Apr | 3.58 | 3.50 | 0.08 |
| May | 4.16 | 4.17 | -0.01 |
| Jun | 4.16 | 4.12 | 0.04 |
| Jul | 3.94 | 4.07 | -0.13 |
| Aug | 4.04 | 3.86 | 0.18 |
| Sep | 3.43 | 3.35 | 0.08 |
| Oct | 3.62 | 3.47 | 0.15 |
| Nov | 2.90 | 2.78 | 0.12 |
| Dec | 2.50 | 2.37 | 0.13 |
39.56 | 38.88 | 0.68 |