| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.70 | -0.05 |
| Feb | 0.81 | 0.80 | 0.01 |
| Mar | 1.62 | 1.66 | -0.04 |
| Apr | 2.99 | 2.96 | 0.03 |
| May | 4.15 | 3.94 | 0.21 |
| Jun | 4.46 | 4.06 | 0.40 |
| Jul | 3.39 | 3.36 | 0.03 |
| Aug | 3.35 | 3.34 | 0.01 |
| Sep | 3.15 | 3.05 | 0.10 |
| Oct | 2.30 | 2.31 | -0.01 |
| Nov | 1.35 | 1.30 | 0.05 |
| Dec | 0.93 | 0.94 | -0.01 |
29.15 | 28.42 | 0.73 |