| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.04 | 1.02 | 0.02 |
| Feb | 1.05 | 1.05 | 0.00 |
| Mar | 1.91 | 1.89 | 0.02 |
| Apr | 3.72 | 3.69 | 0.03 |
| May | 4.55 | 4.46 | 0.09 |
| Jun | 5.51 | 5.52 | -0.01 |
| Jul | 4.27 | 4.06 | 0.21 |
| Aug | 4.26 | 4.29 | -0.03 |
| Sep | 3.69 | 3.59 | 0.10 |
| Oct | 2.63 | 2.52 | 0.11 |
| Nov | 1.83 | 1.74 | 0.09 |
| Dec | 1.29 | 1.28 | 0.01 |
35.75 | 35.11 | 0.64 |