| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.58 | -0.01 |
| Feb | 0.66 | 0.59 | 0.07 |
| Mar | 1.26 | 1.26 | 0.00 |
| Apr | 2.40 | 2.47 | -0.07 |
| May | 3.40 | 3.44 | -0.04 |
| Jun | 4.09 | 4.25 | -0.16 |
| Jul | 3.60 | 3.47 | 0.13 |
| Aug | 3.24 | 3.05 | 0.19 |
| Sep | 2.83 | 2.91 | -0.08 |
| Oct | 2.07 | 2.13 | -0.06 |
| Nov | 0.97 | 0.97 | 0.00 |
| Dec | 0.75 | 0.77 | -0.02 |
25.84 | 25.89 | -0.05 |