| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.90 | -0.16 |
| Feb | 0.78 | 0.89 | -0.11 |
| Mar | 1.57 | 1.66 | -0.09 |
| Apr | 2.89 | 3.04 | -0.15 |
| May | 4.21 | 4.26 | -0.05 |
| Jun | 4.69 | 4.71 | -0.02 |
| Jul | 4.20 | 4.25 | -0.05 |
| Aug | 4.44 | 4.59 | -0.15 |
| Sep | 3.22 | 3.28 | -0.06 |
| Oct | 2.61 | 2.65 | -0.04 |
| Nov | 1.56 | 1.63 | -0.07 |
| Dec | 1.03 | 1.24 | -0.21 |
31.94 | 33.10 | -1.16 |