| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.86 | 0.87 | -0.01 |
| Feb | 0.92 | 0.91 | 0.01 |
| Mar | 1.73 | 1.75 | -0.02 |
| Apr | 3.21 | 3.15 | 0.06 |
| May | 4.34 | 4.31 | 0.03 |
| Jun | 5.14 | 5.29 | -0.15 |
| Jul | 4.51 | 4.66 | -0.15 |
| Aug | 4.38 | 4.45 | -0.07 |
| Sep | 3.49 | 3.62 | -0.13 |
| Oct | 2.49 | 2.59 | -0.10 |
| Nov | 1.53 | 1.52 | 0.01 |
| Dec | 1.17 | 1.13 | 0.04 |
33.77 | 34.25 | -0.48 |