| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.94 | -0.11 |
| Feb | 0.82 | 0.91 | -0.09 |
| Mar | 1.65 | 1.68 | -0.03 |
| Apr | 2.95 | 2.93 | 0.02 |
| May | 4.20 | 4.26 | -0.06 |
| Jun | 4.94 | 5.07 | -0.13 |
| Jul | 4.21 | 4.32 | -0.11 |
| Aug | 4.50 | 4.45 | 0.05 |
| Sep | 3.37 | 3.30 | 0.07 |
| Oct | 2.71 | 2.75 | -0.04 |
| Nov | 1.63 | 1.66 | -0.03 |
| Dec | 1.18 | 1.27 | -0.09 |
32.99 | 33.54 | -0.55 |