| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.62 | 0.00 |
| Feb | 0.56 | 0.59 | -0.03 |
| Mar | 1.14 | 1.10 | 0.04 |
| Apr | 2.13 | 2.08 | 0.05 |
| May | 3.26 | 3.16 | 0.10 |
| Jun | 4.24 | 4.27 | -0.03 |
| Jul | 4.34 | 4.19 | 0.15 |
| Aug | 3.48 | 3.52 | -0.04 |
| Sep | 2.85 | 2.75 | 0.10 |
| Oct | 2.52 | 2.47 | 0.05 |
| Nov | 1.00 | 0.96 | 0.04 |
| Dec | 0.71 | 0.83 | -0.12 |
26.85 | 26.54 | 0.31 |