| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.34 | 1.44 | -0.10 |
| Feb | 1.19 | 1.32 | -0.13 |
| Mar | 1.84 | 1.87 | -0.03 |
| Apr | 3.37 | 3.47 | -0.10 |
| May | 3.89 | 3.80 | 0.09 |
| Jun | 4.77 | 4.67 | 0.10 |
| Jul | 4.03 | 3.94 | 0.09 |
| Aug | 3.90 | 3.72 | 0.18 |
| Sep | 3.21 | 3.19 | 0.02 |
| Oct | 2.89 | 2.84 | 0.05 |
| Nov | 2.13 | 2.01 | 0.12 |
| Dec | 1.57 | 1.64 | -0.07 |
34.13 | 33.91 | 0.22 |