| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.93 | -0.12 |
| Feb | 0.81 | 0.94 | -0.13 |
| Mar | 1.62 | 1.73 | -0.11 |
| Apr | 2.91 | 2.99 | -0.08 |
| May | 4.09 | 4.30 | -0.21 |
| Jun | 4.82 | 5.02 | -0.20 |
| Jul | 4.18 | 4.28 | -0.10 |
| Aug | 4.53 | 4.60 | -0.07 |
| Sep | 3.27 | 3.36 | -0.09 |
| Oct | 2.62 | 2.67 | -0.05 |
| Nov | 1.55 | 1.66 | -0.11 |
| Dec | 1.13 | 1.27 | -0.14 |
32.34 | 33.75 | -1.41 |