| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.69 | -0.07 |
| Feb | 0.70 | 0.75 | -0.05 |
| Mar | 1.47 | 1.58 | -0.11 |
| Apr | 2.71 | 2.77 | -0.06 |
| May | 3.74 | 3.87 | -0.13 |
| Jun | 4.75 | 4.75 | 0.00 |
| Jul | 3.69 | 3.63 | 0.06 |
| Aug | 4.09 | 3.94 | 0.15 |
| Sep | 3.08 | 3.04 | 0.04 |
| Oct | 2.28 | 2.29 | -0.01 |
| Nov | 1.25 | 1.22 | 0.03 |
| Dec | 0.84 | 0.95 | -0.11 |
29.22 | 29.48 | -0.26 |