| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.13 | 1.12 | 0.01 |
| Feb | 1.11 | 1.12 | -0.01 |
| Mar | 2.00 | 1.92 | 0.08 |
| Apr | 3.88 | 3.82 | 0.06 |
| May | 4.66 | 4.54 | 0.12 |
| Jun | 5.31 | 4.97 | 0.34 |
| Jul | 4.35 | 4.28 | 0.07 |
| Aug | 4.42 | 4.56 | -0.14 |
| Sep | 3.89 | 3.91 | -0.02 |
| Oct | 2.68 | 2.79 | -0.11 |
| Nov | 1.89 | 1.83 | 0.06 |
| Dec | 1.37 | 1.32 | 0.05 |
36.69 | 36.18 | 0.51 |