| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.04 | 1.73 | 0.31 |
| Feb | 1.45 | 1.37 | 0.08 |
| Mar | 1.79 | 1.71 | 0.08 |
| Apr | 2.57 | 2.70 | -0.13 |
| May | 3.00 | 2.72 | 0.28 |
| Jun | 3.07 | 3.11 | -0.04 |
| Jul | 3.57 | 3.47 | 0.10 |
| Aug | 3.04 | 2.70 | 0.34 |
| Sep | 3.54 | 3.36 | 0.18 |
| Oct | 3.82 | 3.78 | 0.04 |
| Nov | 2.67 | 2.50 | 0.17 |
| Dec | 2.35 | 2.19 | 0.16 |
32.91 | 31.34 | 1.57 |