| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.84 | 0.93 | -0.09 |
| Feb | 0.85 | 0.85 | 0.00 |
| Mar | 1.16 | 1.18 | -0.02 |
| Apr | 2.06 | 2.09 | -0.03 |
| May | 3.10 | 3.04 | 0.06 |
| Jun | 4.37 | 4.31 | 0.06 |
| Jul | 4.13 | 4.12 | 0.01 |
| Aug | 3.51 | 3.37 | 0.14 |
| Sep | 3.48 | 3.56 | -0.08 |
| Oct | 2.77 | 2.69 | 0.08 |
| Nov | 1.48 | 1.51 | -0.03 |
| Dec | 1.10 | 1.23 | -0.13 |
28.85 | 28.88 | -0.03 |