| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.61 | 0.01 |
| Feb | 0.75 | 0.79 | -0.04 |
| Mar | 1.54 | 1.62 | -0.08 |
| Apr | 2.88 | 3.04 | -0.16 |
| May | 3.99 | 4.12 | -0.13 |
| Jun | 4.47 | 4.51 | -0.04 |
| Jul | 3.24 | 3.36 | -0.12 |
| Aug | 3.28 | 3.31 | -0.03 |
| Sep | 2.91 | 2.94 | -0.03 |
| Oct | 2.34 | 2.43 | -0.09 |
| Nov | 1.26 | 1.31 | -0.05 |
| Dec | 0.92 | 0.91 | 0.01 |
28.20 | 28.95 | -0.75 |