| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.19 | 4.77 | 0.42 |
| Feb | 5.16 | 4.89 | 0.27 |
| Mar | 5.56 | 5.37 | 0.19 |
| Apr | 5.14 | 4.89 | 0.25 |
| May | 4.80 | 4.69 | 0.11 |
| Jun | 4.85 | 4.95 | -0.10 |
| Jul | 4.86 | 4.75 | 0.11 |
| Aug | 4.05 | 3.95 | 0.10 |
| Sep | 4.27 | 3.87 | 0.40 |
| Oct | 3.46 | 3.10 | 0.36 |
| Nov | 4.34 | 4.03 | 0.31 |
| Dec | 6.11 | 5.89 | 0.22 |
57.79 | 55.15 | 2.64 |