| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.63 | 0.00 |
| Feb | 0.87 | 0.88 | -0.01 |
| Mar | 1.44 | 1.46 | -0.02 |
| Apr | 2.60 | 2.69 | -0.09 |
| May | 4.44 | 4.53 | -0.09 |
| Jun | 4.06 | 4.36 | -0.30 |
| Jul | 4.37 | 4.30 | 0.07 |
| Aug | 3.35 | 3.60 | -0.25 |
| Sep | 2.69 | 2.90 | -0.21 |
| Oct | 2.12 | 2.18 | -0.06 |
| Nov | 1.24 | 1.19 | 0.05 |
| Dec | 0.94 | 0.91 | 0.03 |
28.75 | 29.63 | -0.88 |