| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.15 | 1.30 | -0.15 |
| Feb | 0.97 | 1.08 | -0.11 |
| Mar | 1.53 | 1.60 | -0.07 |
| Apr | 2.60 | 2.76 | -0.16 |
| May | 3.32 | 3.45 | -0.13 |
| Jun | 3.69 | 3.76 | -0.07 |
| Jul | 3.85 | 4.01 | -0.16 |
| Aug | 3.34 | 3.37 | -0.03 |
| Sep | 3.15 | 3.04 | 0.11 |
| Oct | 3.10 | 2.94 | 0.16 |
| Nov | 2.01 | 1.72 | 0.29 |
| Dec | 1.48 | 1.63 | -0.15 |
30.19 | 30.66 | -0.47 |