| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.73 | -0.02 |
| Feb | 0.94 | 1.01 | -0.07 |
| Mar | 1.64 | 1.71 | -0.07 |
| Apr | 2.47 | 2.50 | -0.03 |
| May | 4.67 | 4.68 | -0.01 |
| Jun | 3.92 | 3.98 | -0.06 |
| Jul | 4.10 | 4.18 | -0.08 |
| Aug | 3.60 | 3.82 | -0.22 |
| Sep | 2.68 | 2.64 | 0.04 |
| Oct | 2.13 | 2.12 | 0.01 |
| Nov | 1.15 | 1.22 | -0.07 |
| Dec | 1.04 | 1.08 | -0.04 |
29.05 | 29.67 | -0.62 |