| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.76 | 0.01 |
| Feb | 0.97 | 0.99 | -0.02 |
| Mar | 1.89 | 1.83 | 0.06 |
| Apr | 3.42 | 3.40 | 0.02 |
| May | 4.96 | 4.93 | 0.03 |
| Jun | 5.05 | 4.95 | 0.10 |
| Jul | 3.79 | 3.75 | 0.04 |
| Aug | 4.44 | 4.08 | 0.36 |
| Sep | 3.32 | 3.23 | 0.09 |
| Oct | 2.46 | 2.58 | -0.12 |
| Nov | 1.39 | 1.44 | -0.05 |
| Dec | 1.19 | 1.28 | -0.09 |
33.65 | 33.22 | 0.43 |