| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.91 | -0.17 |
| Feb | 0.78 | 0.90 | -0.12 |
| Mar | 1.57 | 1.65 | -0.08 |
| Apr | 2.91 | 3.02 | -0.11 |
| May | 4.20 | 4.24 | -0.04 |
| Jun | 4.69 | 4.60 | 0.09 |
| Jul | 4.20 | 4.26 | -0.06 |
| Aug | 4.45 | 4.51 | -0.06 |
| Sep | 3.27 | 3.31 | -0.04 |
| Oct | 2.65 | 2.66 | -0.01 |
| Nov | 1.55 | 1.63 | -0.08 |
| Dec | 1.03 | 1.25 | -0.22 |
32.04 | 32.94 | -0.90 |