| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.35 | 2.41 | -0.06 |
| Feb | 1.90 | 2.00 | -0.10 |
| Mar | 2.27 | 2.39 | -0.12 |
| Apr | 3.64 | 3.62 | 0.02 |
| May | 4.28 | 4.21 | 0.07 |
| Jun | 4.14 | 3.99 | 0.15 |
| Jul | 3.78 | 3.54 | 0.24 |
| Aug | 3.95 | 3.67 | 0.28 |
| Sep | 2.93 | 3.01 | -0.08 |
| Oct | 2.96 | 2.94 | 0.02 |
| Nov | 2.94 | 2.93 | 0.01 |
| Dec | 2.34 | 2.30 | 0.04 |
37.48 | 37.01 | 0.47 |