| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.89 | -0.16 |
| Feb | 0.78 | 0.89 | -0.11 |
| Mar | 1.54 | 1.61 | -0.07 |
| Apr | 2.92 | 3.01 | -0.09 |
| May | 4.16 | 4.30 | -0.14 |
| Jun | 4.60 | 4.60 | 0.00 |
| Jul | 4.13 | 4.20 | -0.07 |
| Aug | 4.31 | 4.33 | -0.02 |
| Sep | 3.36 | 3.32 | 0.04 |
| Oct | 2.69 | 2.67 | 0.02 |
| Nov | 1.52 | 1.61 | -0.09 |
| Dec | 1.03 | 1.25 | -0.22 |
31.77 | 32.68 | -0.91 |