| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.72 | 0.06 |
| Feb | 0.80 | 0.83 | -0.03 |
| Mar | 1.47 | 1.48 | -0.01 |
| Apr | 2.74 | 2.77 | -0.03 |
| May | 3.93 | 3.79 | 0.14 |
| Jun | 4.29 | 4.33 | -0.04 |
| Jul | 4.37 | 4.23 | 0.14 |
| Aug | 3.96 | 4.11 | -0.15 |
| Sep | 3.32 | 3.35 | -0.03 |
| Oct | 2.95 | 2.96 | -0.01 |
| Nov | 1.61 | 1.54 | 0.07 |
| Dec | 1.11 | 1.08 | 0.03 |
31.33 | 31.19 | 0.14 |