| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.73 | 0.05 |
| Feb | 0.80 | 0.83 | -0.03 |
| Mar | 1.49 | 1.49 | 0.00 |
| Apr | 2.77 | 2.78 | -0.01 |
| May | 3.96 | 3.85 | 0.11 |
| Jun | 4.25 | 4.32 | -0.07 |
| Jul | 4.37 | 4.23 | 0.14 |
| Aug | 3.97 | 4.08 | -0.11 |
| Sep | 3.32 | 3.29 | 0.03 |
| Oct | 2.93 | 2.93 | 0.00 |
| Nov | 1.60 | 1.56 | 0.04 |
| Dec | 1.10 | 1.09 | 0.01 |
31.34 | 31.18 | 0.16 |