| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.93 | 1.14 | -0.21 |
| Feb | 0.84 | 1.01 | -0.17 |
| Mar | 1.34 | 1.46 | -0.12 |
| Apr | 2.38 | 2.58 | -0.20 |
| May | 3.08 | 3.32 | -0.24 |
| Jun | 4.16 | 4.30 | -0.14 |
| Jul | 3.82 | 3.82 | 0.00 |
| Aug | 3.46 | 3.67 | -0.21 |
| Sep | 3.16 | 3.41 | -0.25 |
| Oct | 2.82 | 3.05 | -0.23 |
| Nov | 1.71 | 2.03 | -0.32 |
| Dec | 1.27 | 1.49 | -0.22 |
28.97 | 31.28 | -2.31 |