| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.08 | 1.16 | -0.08 |
| Feb | 1.03 | 1.06 | -0.03 |
| Mar | 1.78 | 1.77 | 0.01 |
| Apr | 3.16 | 3.25 | -0.09 |
| May | 3.93 | 3.94 | -0.01 |
| Jun | 4.72 | 4.72 | 0.00 |
| Jul | 3.80 | 3.76 | 0.04 |
| Aug | 4.05 | 4.01 | 0.04 |
| Sep | 3.59 | 3.59 | 0.00 |
| Oct | 2.77 | 2.76 | 0.01 |
| Nov | 1.81 | 1.85 | -0.04 |
| Dec | 1.42 | 1.51 | -0.09 |
33.14 | 33.38 | -0.24 |