| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.97 | -0.21 |
| Feb | 0.78 | 0.93 | -0.15 |
| Mar | 1.60 | 1.76 | -0.16 |
| Apr | 2.89 | 3.14 | -0.25 |
| May | 4.15 | 4.24 | -0.09 |
| Jun | 4.56 | 4.83 | -0.27 |
| Jul | 4.22 | 4.38 | -0.16 |
| Aug | 4.55 | 4.39 | 0.16 |
| Sep | 3.33 | 3.32 | 0.01 |
| Oct | 2.76 | 2.92 | -0.16 |
| Nov | 1.57 | 1.73 | -0.16 |
| Dec | 1.10 | 1.34 | -0.24 |
32.27 | 33.95 | -1.68 |