| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.74 | -0.01 |
| Feb | 0.93 | 0.95 | -0.02 |
| Mar | 1.68 | 1.67 | 0.01 |
| Apr | 2.73 | 2.81 | -0.08 |
| May | 5.15 | 5.10 | 0.05 |
| Jun | 4.60 | 4.64 | -0.04 |
| Jul | 3.65 | 3.69 | -0.04 |
| Aug | 3.67 | 3.55 | 0.12 |
| Sep | 2.93 | 2.96 | -0.03 |
| Oct | 2.32 | 2.36 | -0.04 |
| Nov | 1.30 | 1.41 | -0.11 |
| Dec | 1.22 | 1.18 | 0.04 |
30.91 | 31.06 | -0.15 |