| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.94 | 3.87 | 0.07 |
| Feb | 3.09 | 3.15 | -0.06 |
| Mar | 3.85 | 3.81 | 0.04 |
| Apr | 4.10 | 4.32 | -0.22 |
| May | 3.70 | 3.75 | -0.05 |
| Jun | 4.19 | 4.26 | -0.07 |
| Jul | 3.22 | 3.12 | 0.10 |
| Aug | 3.08 | 3.18 | -0.10 |
| Sep | 3.89 | 3.88 | 0.01 |
| Oct | 5.18 | 5.35 | -0.17 |
| Nov | 4.59 | 4.62 | -0.03 |
| Dec | 4.62 | 4.60 | 0.02 |
47.45 | 47.91 | -0.46 |