| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.73 | -0.03 |
| Feb | 3.18 | 3.25 | -0.07 |
| Mar | 4.28 | 4.32 | -0.04 |
| Apr | 4.20 | 4.24 | -0.04 |
| May | 4.01 | 4.11 | -0.10 |
| Jun | 4.67 | 4.63 | 0.04 |
| Jul | 4.36 | 4.49 | -0.13 |
| Aug | 4.45 | 4.81 | -0.36 |
| Sep | 4.69 | 4.84 | -0.15 |
| Oct | 5.19 | 5.43 | -0.24 |
| Nov | 3.97 | 4.05 | -0.08 |
| Dec | 4.56 | 4.72 | -0.16 |
51.26 | 52.62 | -1.36 |