| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.99 | 2.85 | 0.14 |
| Feb | 2.47 | 2.24 | 0.23 |
| Mar | 3.53 | 3.05 | 0.48 |
| Apr | 3.52 | 3.31 | 0.21 |
| May | 4.37 | 3.77 | 0.60 |
| Jun | 4.59 | 4.33 | 0.26 |
| Jul | 4.37 | 3.94 | 0.43 |
| Aug | 3.81 | 3.75 | 0.06 |
| Sep | 4.23 | 4.36 | -0.13 |
| Oct | 3.06 | 2.95 | 0.11 |
| Nov | 2.99 | 2.89 | 0.10 |
| Dec | 3.19 | 2.93 | 0.26 |
43.12 | 40.37 | 2.75 |