| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.92 | -0.18 |
| Feb | 0.78 | 0.89 | -0.11 |
| Mar | 1.56 | 1.66 | -0.10 |
| Apr | 2.91 | 3.04 | -0.13 |
| May | 4.16 | 4.25 | -0.09 |
| Jun | 4.62 | 4.58 | 0.04 |
| Jul | 4.17 | 4.26 | -0.09 |
| Aug | 4.38 | 4.34 | 0.04 |
| Sep | 3.36 | 3.32 | 0.04 |
| Oct | 2.69 | 2.71 | -0.02 |
| Nov | 1.54 | 1.66 | -0.12 |
| Dec | 1.02 | 1.27 | -0.25 |
31.93 | 32.90 | -0.97 |