| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.68 | 0.03 |
| Feb | 0.68 | 0.62 | 0.06 |
| Mar | 1.01 | 1.00 | 0.01 |
| Apr | 1.79 | 1.78 | 0.01 |
| May | 2.89 | 2.92 | -0.03 |
| Jun | 4.21 | 4.24 | -0.03 |
| Jul | 3.58 | 3.73 | -0.15 |
| Aug | 3.17 | 3.02 | 0.15 |
| Sep | 2.84 | 2.91 | -0.07 |
| Oct | 2.57 | 2.46 | 0.11 |
| Nov | 1.16 | 1.13 | 0.03 |
| Dec | 0.88 | 0.85 | 0.03 |
25.49 | 25.34 | 0.15 |