| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.29 | 1.28 | 0.01 |
| Feb | 1.57 | 1.52 | 0.05 |
| Mar | 2.63 | 2.67 | -0.04 |
| Apr | 3.83 | 3.85 | -0.02 |
| May | 5.15 | 5.04 | 0.11 |
| Jun | 4.73 | 4.59 | 0.14 |
| Jul | 3.52 | 3.46 | 0.06 |
| Aug | 3.49 | 3.36 | 0.13 |
| Sep | 3.52 | 3.54 | -0.02 |
| Oct | 3.32 | 3.33 | -0.01 |
| Nov | 2.03 | 2.11 | -0.08 |
| Dec | 1.77 | 1.68 | 0.09 |
36.85 | 36.43 | 0.42 |