| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.09 | 5.15 | -0.06 |
| Feb | 4.35 | 4.47 | -0.12 |
| Mar | 5.11 | 5.10 | 0.01 |
| Apr | 4.84 | 4.81 | 0.03 |
| May | 4.69 | 4.89 | -0.20 |
| Jun | 4.95 | 5.42 | -0.47 |
| Jul | 5.07 | 5.17 | -0.10 |
| Aug | 5.58 | 5.70 | -0.12 |
| Sep | 4.94 | 4.70 | 0.24 |
| Oct | 4.44 | 4.33 | 0.11 |
| Nov | 4.52 | 4.48 | 0.04 |
| Dec | 5.50 | 5.61 | -0.11 |
59.08 | 59.83 | -0.75 |