| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.63 | 1.59 | 0.04 |
| Feb | 1.78 | 1.83 | -0.05 |
| Mar | 2.41 | 2.43 | -0.02 |
| Apr | 3.79 | 3.78 | 0.01 |
| May | 5.03 | 5.02 | 0.01 |
| Jun | 4.73 | 4.72 | 0.01 |
| Jul | 3.92 | 3.96 | -0.04 |
| Aug | 3.65 | 3.60 | 0.05 |
| Sep | 3.49 | 3.64 | -0.15 |
| Oct | 3.01 | 2.94 | 0.07 |
| Nov | 2.45 | 2.47 | -0.02 |
| Dec | 1.93 | 1.90 | 0.03 |
37.82 | 37.88 | -0.06 |