| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.22 | 1.19 | 0.03 |
| Feb | 1.53 | 1.45 | 0.08 |
| Mar | 2.57 | 2.66 | -0.09 |
| Apr | 3.73 | 3.52 | 0.21 |
| May | 4.81 | 4.86 | -0.05 |
| Jun | 4.70 | 4.72 | -0.02 |
| Jul | 3.15 | 3.33 | -0.18 |
| Aug | 3.37 | 3.38 | -0.01 |
| Sep | 3.20 | 3.33 | -0.13 |
| Oct | 3.21 | 3.31 | -0.10 |
| Nov | 2.10 | 1.97 | 0.13 |
| Dec | 1.72 | 1.75 | -0.03 |
35.31 | 35.47 | -0.16 |