| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.43 | 0.04 |
| Feb | 3.26 | 3.23 | 0.03 |
| Mar | 4.55 | 4.32 | 0.23 |
| Apr | 5.16 | 5.14 | 0.02 |
| May | 4.85 | 4.79 | 0.06 |
| Jun | 4.53 | 4.67 | -0.14 |
| Jul | 3.95 | 3.79 | 0.16 |
| Aug | 3.31 | 2.96 | 0.35 |
| Sep | 3.33 | 3.21 | 0.12 |
| Oct | 3.58 | 3.49 | 0.09 |
| Nov | 4.02 | 4.15 | -0.13 |
| Dec | 3.63 | 3.74 | -0.11 |
47.64 | 46.92 | 0.72 |