| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.69 | 0.03 |
| Feb | 0.78 | 0.79 | -0.01 |
| Mar | 1.43 | 1.47 | -0.04 |
| Apr | 2.43 | 2.52 | -0.09 |
| May | 3.55 | 3.47 | 0.08 |
| Jun | 4.29 | 4.44 | -0.15 |
| Jul | 4.12 | 4.09 | 0.03 |
| Aug | 3.68 | 3.88 | -0.20 |
| Sep | 2.87 | 2.84 | 0.03 |
| Oct | 2.67 | 2.73 | -0.06 |
| Nov | 1.32 | 1.32 | 0.00 |
| Dec | 0.87 | 0.95 | -0.08 |
28.73 | 29.19 | -0.46 |