| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.08 | 1.07 | 0.01 |
| Feb | 1.07 | 1.08 | -0.01 |
| Mar | 1.91 | 1.89 | 0.02 |
| Apr | 3.56 | 3.69 | -0.13 |
| May | 4.58 | 4.59 | -0.01 |
| Jun | 5.19 | 5.06 | 0.13 |
| Jul | 4.21 | 4.28 | -0.07 |
| Aug | 4.26 | 4.45 | -0.19 |
| Sep | 3.92 | 3.93 | -0.01 |
| Oct | 2.64 | 2.69 | -0.05 |
| Nov | 1.84 | 1.81 | 0.03 |
| Dec | 1.32 | 1.33 | -0.01 |
35.58 | 35.87 | -0.29 |