| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.07 | 1.89 | 0.18 |
| Feb | 1.58 | 1.53 | 0.05 |
| Mar | 1.93 | 1.89 | 0.04 |
| Apr | 3.41 | 3.56 | -0.15 |
| May | 3.42 | 3.53 | -0.11 |
| Jun | 3.40 | 3.45 | -0.05 |
| Jul | 3.24 | 3.13 | 0.11 |
| Aug | 3.27 | 3.30 | -0.03 |
| Sep | 3.04 | 3.08 | -0.04 |
| Oct | 3.67 | 3.70 | -0.03 |
| Nov | 2.58 | 2.57 | 0.01 |
| Dec | 2.10 | 2.01 | 0.09 |
33.71 | 33.64 | 0.07 |