| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.67 | 0.05 |
| Feb | 0.79 | 0.74 | 0.05 |
| Mar | 1.48 | 1.45 | 0.03 |
| Apr | 2.51 | 2.56 | -0.05 |
| May | 3.65 | 3.59 | 0.06 |
| Jun | 4.22 | 4.30 | -0.08 |
| Jul | 4.05 | 3.96 | 0.09 |
| Aug | 3.80 | 3.93 | -0.13 |
| Sep | 2.86 | 2.93 | -0.07 |
| Oct | 2.65 | 2.69 | -0.04 |
| Nov | 1.36 | 1.31 | 0.05 |
| Dec | 0.88 | 0.91 | -0.03 |
28.97 | 29.04 | -0.07 |