| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.99 | 1.06 | -0.07 |
| Feb | 0.95 | 0.96 | -0.01 |
| Mar | 1.64 | 1.67 | -0.03 |
| Apr | 2.92 | 3.03 | -0.11 |
| May | 3.81 | 3.65 | 0.16 |
| Jun | 4.52 | 4.41 | 0.11 |
| Jul | 3.66 | 3.50 | 0.16 |
| Aug | 3.82 | 3.69 | 0.13 |
| Sep | 3.73 | 3.48 | 0.25 |
| Oct | 2.86 | 2.92 | -0.06 |
| Nov | 1.73 | 1.84 | -0.11 |
| Dec | 1.30 | 1.40 | -0.10 |
31.93 | 31.61 | 0.32 |