| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.59 | 0.63 | -0.04 |
| Feb | 0.81 | 0.92 | -0.11 |
| Mar | 1.40 | 1.45 | -0.05 |
| Apr | 2.21 | 2.19 | 0.02 |
| May | 4.27 | 4.22 | 0.05 |
| Jun | 3.52 | 3.52 | 0.00 |
| Jul | 4.01 | 3.92 | 0.09 |
| Aug | 3.61 | 3.76 | -0.15 |
| Sep | 2.24 | 2.25 | -0.01 |
| Oct | 1.81 | 1.87 | -0.06 |
| Nov | 0.99 | 1.04 | -0.05 |
| Dec | 0.90 | 0.95 | -0.05 |
26.36 | 26.72 | -0.36 |