| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.07 | 1.04 | 0.03 |
| Feb | 1.15 | 1.09 | 0.06 |
| Mar | 1.85 | 1.84 | 0.01 |
| Apr | 3.14 | 3.02 | 0.12 |
| May | 4.13 | 4.02 | 0.11 |
| Jun | 4.84 | 4.67 | 0.17 |
| Jul | 3.62 | 3.63 | -0.01 |
| Aug | 4.20 | 3.98 | 0.22 |
| Sep | 3.57 | 3.59 | -0.02 |
| Oct | 2.66 | 2.51 | 0.15 |
| Nov | 1.84 | 1.75 | 0.09 |
| Dec | 1.26 | 1.34 | -0.08 |
33.33 | 32.48 | 0.85 |