| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.57 | 0.01 |
| Feb | 0.69 | 0.64 | 0.05 |
| Mar | 1.27 | 1.22 | 0.05 |
| Apr | 2.42 | 2.44 | -0.02 |
| May | 3.42 | 3.48 | -0.06 |
| Jun | 4.06 | 4.16 | -0.10 |
| Jul | 3.55 | 3.46 | 0.09 |
| Aug | 3.17 | 3.07 | 0.10 |
| Sep | 2.81 | 2.81 | 0.00 |
| Oct | 2.06 | 2.11 | -0.05 |
| Nov | 0.98 | 0.94 | 0.04 |
| Dec | 0.77 | 0.74 | 0.03 |
25.78 | 25.64 | 0.14 |