| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.84 | -0.07 |
| Feb | 0.79 | 0.86 | -0.07 |
| Mar | 1.58 | 1.58 | 0.00 |
| Apr | 2.98 | 2.97 | 0.01 |
| May | 4.25 | 4.26 | -0.01 |
| Jun | 4.93 | 4.57 | 0.36 |
| Jul | 4.09 | 4.01 | 0.08 |
| Aug | 4.29 | 4.47 | -0.18 |
| Sep | 3.32 | 3.23 | 0.09 |
| Oct | 2.54 | 2.55 | -0.01 |
| Nov | 1.53 | 1.58 | -0.05 |
| Dec | 1.08 | 1.20 | -0.12 |
32.15 | 32.12 | 0.03 |