| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.09 | 3.15 | -0.06 |
| Feb | 2.64 | 2.59 | 0.05 |
| Mar | 3.58 | 3.69 | -0.11 |
| Apr | 3.44 | 3.57 | -0.13 |
| May | 3.58 | 3.56 | 0.02 |
| Jun | 4.31 | 4.04 | 0.27 |
| Jul | 3.83 | 3.65 | 0.18 |
| Aug | 4.37 | 4.19 | 0.18 |
| Sep | 4.32 | 4.18 | 0.14 |
| Oct | 4.79 | 4.82 | -0.03 |
| Nov | 3.34 | 3.40 | -0.06 |
| Dec | 4.05 | 3.90 | 0.15 |
45.34 | 44.74 | 0.60 |