| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.79 | 0.02 |
| Feb | 1.02 | 1.08 | -0.06 |
| Mar | 1.83 | 1.75 | 0.08 |
| Apr | 3.14 | 3.13 | 0.01 |
| May | 4.89 | 4.84 | 0.05 |
| Jun | 5.00 | 4.96 | 0.04 |
| Jul | 3.71 | 3.42 | 0.29 |
| Aug | 3.86 | 4.01 | -0.15 |
| Sep | 3.06 | 3.04 | 0.02 |
| Oct | 2.47 | 2.54 | -0.07 |
| Nov | 1.40 | 1.37 | 0.03 |
| Dec | 1.29 | 1.33 | -0.04 |
32.48 | 32.26 | 0.22 |