| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.91 | 4.01 | -0.10 |
| Feb | 3.86 | 4.07 | -0.21 |
| Mar | 4.23 | 4.15 | 0.08 |
| Apr | 3.22 | 3.27 | -0.05 |
| May | 3.06 | 2.94 | 0.12 |
| Jun | 4.70 | 4.92 | -0.22 |
| Jul | 4.92 | 4.92 | 0.00 |
| Aug | 4.73 | 5.05 | -0.32 |
| Sep | 3.77 | 3.92 | -0.15 |
| Oct | 2.94 | 2.91 | 0.03 |
| Nov | 2.76 | 2.69 | 0.07 |
| Dec | 3.86 | 4.02 | -0.16 |
45.96 | 46.87 | -0.91 |