| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.70 | -0.14 |
| Feb | 3.39 | 3.43 | -0.04 |
| Mar | 4.40 | 4.57 | -0.17 |
| Apr | 4.13 | 4.24 | -0.11 |
| May | 3.63 | 3.58 | 0.05 |
| Jun | 4.21 | 4.06 | 0.15 |
| Jul | 3.56 | 3.67 | -0.11 |
| Aug | 3.62 | 3.66 | -0.04 |
| Sep | 3.80 | 3.72 | 0.08 |
| Oct | 4.70 | 4.75 | -0.05 |
| Nov | 3.94 | 3.89 | 0.05 |
| Dec | 4.59 | 4.78 | -0.19 |
47.53 | 48.05 | -0.52 |