| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.93 | 0.97 | -0.04 |
| Feb | 0.95 | 0.96 | -0.01 |
| Mar | 1.78 | 1.83 | -0.05 |
| Apr | 2.94 | 2.94 | 0.00 |
| May | 4.25 | 4.32 | -0.07 |
| Jun | 5.29 | 5.12 | 0.17 |
| Jul | 4.16 | 4.05 | 0.11 |
| Aug | 4.62 | 4.84 | -0.22 |
| Sep | 3.48 | 3.72 | -0.24 |
| Oct | 2.78 | 2.72 | 0.06 |
| Nov | 1.70 | 1.80 | -0.10 |
| Dec | 1.20 | 1.27 | -0.07 |
34.08 | 34.54 | -0.46 |