| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.39 | 0.37 | 0.02 |
| Feb | 0.59 | 0.53 | 0.06 |
| Mar | 1.00 | 0.93 | 0.07 |
| Apr | 1.91 | 1.84 | 0.07 |
| May | 2.77 | 2.85 | -0.08 |
| Jun | 2.04 | 2.11 | -0.07 |
| Jul | 1.54 | 1.72 | -0.18 |
| Aug | 1.37 | 1.55 | -0.18 |
| Sep | 1.35 | 1.49 | -0.14 |
| Oct | 1.24 | 1.16 | 0.08 |
| Nov | 0.66 | 0.62 | 0.04 |
| Dec | 0.65 | 0.56 | 0.09 |
15.51 | 15.73 | -0.22 |