| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.89 | 2.93 | -0.04 |
| Feb | 2.18 | 2.13 | 0.05 |
| Mar | 2.86 | 2.65 | 0.21 |
| Apr | 3.58 | 3.55 | 0.03 |
| May | 3.42 | 3.34 | 0.08 |
| Jun | 3.91 | 3.65 | 0.26 |
| Jul | 3.88 | 3.93 | -0.05 |
| Aug | 3.55 | 3.72 | -0.17 |
| Sep | 3.95 | 3.86 | 0.09 |
| Oct | 4.02 | 4.32 | -0.30 |
| Nov | 3.56 | 3.39 | 0.17 |
| Dec | 3.11 | 3.19 | -0.08 |
40.91 | 40.66 | 0.25 |