| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.84 | 2.94 | -0.10 |
| Feb | 2.34 | 2.46 | -0.12 |
| Mar | 3.22 | 3.31 | -0.09 |
| Apr | 4.24 | 4.46 | -0.22 |
| May | 4.50 | 4.60 | -0.10 |
| Jun | 4.86 | 5.07 | -0.21 |
| Jul | 4.09 | 4.16 | -0.07 |
| Aug | 3.27 | 3.06 | 0.21 |
| Sep | 3.30 | 3.21 | 0.09 |
| Oct | 3.31 | 3.21 | 0.10 |
| Nov | 3.36 | 3.42 | -0.06 |
| Dec | 2.80 | 2.89 | -0.09 |
42.13 | 42.79 | -0.66 |