| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 2.99 | 0.03 |
| Feb | 2.41 | 2.57 | -0.16 |
| Mar | 3.37 | 3.68 | -0.31 |
| Apr | 3.42 | 3.52 | -0.10 |
| May | 4.36 | 4.59 | -0.23 |
| Jun | 4.48 | 4.51 | -0.03 |
| Jul | 4.15 | 4.12 | 0.03 |
| Aug | 3.51 | 3.58 | -0.07 |
| Sep | 4.45 | 4.64 | -0.19 |
| Oct | 3.66 | 3.70 | -0.04 |
| Nov | 3.10 | 3.21 | -0.11 |
| Dec | 3.32 | 3.55 | -0.23 |
43.25 | 44.66 | -1.41 |