| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.96 | 4.71 | 0.25 |
| Feb | 4.12 | 4.03 | 0.09 |
| Mar | 4.92 | 4.86 | 0.06 |
| Apr | 4.77 | 4.59 | 0.18 |
| May | 4.76 | 4.71 | 0.05 |
| Jun | 4.69 | 4.66 | 0.03 |
| Jul | 5.03 | 4.96 | 0.07 |
| Aug | 5.04 | 5.09 | -0.05 |
| Sep | 5.08 | 4.64 | 0.44 |
| Oct | 4.46 | 4.10 | 0.36 |
| Nov | 4.41 | 4.30 | 0.11 |
| Dec | 5.21 | 5.18 | 0.03 |
57.45 | 55.83 | 1.62 |