| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.20 | 2.04 | 0.16 |
| Feb | 1.90 | 1.84 | 0.06 |
| Mar | 2.81 | 2.78 | 0.03 |
| Apr | 4.09 | 4.18 | -0.09 |
| May | 4.63 | 4.80 | -0.17 |
| Jun | 4.57 | 4.77 | -0.20 |
| Jul | 3.92 | 3.94 | -0.02 |
| Aug | 3.37 | 3.32 | 0.05 |
| Sep | 3.21 | 3.44 | -0.23 |
| Oct | 3.09 | 3.00 | 0.09 |
| Nov | 2.91 | 2.97 | -0.06 |
| Dec | 2.06 | 2.09 | -0.03 |
38.76 | 39.17 | -0.41 |