| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.79 | -0.02 |
| Feb | 0.71 | 0.71 | 0.00 |
| Mar | 1.20 | 1.17 | 0.03 |
| Apr | 1.93 | 1.96 | -0.03 |
| May | 3.02 | 3.10 | -0.08 |
| Jun | 4.45 | 4.35 | 0.10 |
| Jul | 3.99 | 4.12 | -0.13 |
| Aug | 3.19 | 3.35 | -0.16 |
| Sep | 2.99 | 3.15 | -0.16 |
| Oct | 2.66 | 2.63 | 0.03 |
| Nov | 1.32 | 1.36 | -0.04 |
| Dec | 0.96 | 1.04 | -0.08 |
27.19 | 27.73 | -0.54 |