| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.74 | 1.81 | -0.07 |
| Feb | 1.73 | 1.79 | -0.06 |
| Mar | 2.21 | 2.21 | 0.00 |
| Apr | 3.66 | 3.82 | -0.16 |
| May | 4.02 | 4.15 | -0.13 |
| Jun | 4.34 | 4.43 | -0.09 |
| Jul | 3.48 | 3.53 | -0.05 |
| Aug | 3.64 | 3.41 | 0.23 |
| Sep | 3.36 | 3.47 | -0.11 |
| Oct | 3.08 | 3.00 | 0.08 |
| Nov | 2.33 | 2.37 | -0.04 |
| Dec | 1.92 | 2.03 | -0.11 |
35.51 | 36.02 | -0.51 |