| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.87 | -0.10 |
| Feb | 0.73 | 0.75 | -0.02 |
| Mar | 1.16 | 1.18 | -0.02 |
| Apr | 1.89 | 1.97 | -0.08 |
| May | 3.02 | 3.12 | -0.10 |
| Jun | 4.48 | 4.46 | 0.02 |
| Jul | 3.94 | 4.10 | -0.16 |
| Aug | 3.28 | 3.36 | -0.08 |
| Sep | 2.95 | 3.15 | -0.20 |
| Oct | 2.64 | 2.67 | -0.03 |
| Nov | 1.35 | 1.42 | -0.07 |
| Dec | 1.00 | 1.07 | -0.07 |
27.21 | 28.12 | -0.91 |