| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.72 | -0.04 |
| Feb | 0.70 | 0.71 | -0.01 |
| Mar | 1.28 | 1.34 | -0.06 |
| Apr | 2.18 | 2.32 | -0.14 |
| May | 3.50 | 3.51 | -0.01 |
| Jun | 4.36 | 4.41 | -0.05 |
| Jul | 4.48 | 4.56 | -0.08 |
| Aug | 3.46 | 3.31 | 0.15 |
| Sep | 2.96 | 2.93 | 0.03 |
| Oct | 2.79 | 2.75 | 0.04 |
| Nov | 1.35 | 1.35 | 0.00 |
| Dec | 0.95 | 0.98 | -0.03 |
28.69 | 28.89 | -0.20 |