| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.73 | 1.94 | -0.21 |
| Feb | 1.74 | 1.86 | -0.12 |
| Mar | 2.27 | 2.28 | -0.01 |
| Apr | 3.75 | 3.76 | -0.01 |
| May | 4.72 | 4.75 | -0.03 |
| Jun | 4.40 | 4.29 | 0.11 |
| Jul | 3.74 | 3.69 | 0.05 |
| Aug | 3.92 | 3.92 | 0.00 |
| Sep | 3.34 | 3.32 | 0.02 |
| Oct | 3.33 | 3.36 | -0.03 |
| Nov | 2.48 | 2.54 | -0.06 |
| Dec | 2.01 | 2.12 | -0.11 |
37.43 | 37.83 | -0.40 |