| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.71 | 0.02 |
| Feb | 0.77 | 0.76 | 0.01 |
| Mar | 1.59 | 1.66 | -0.07 |
| Apr | 3.21 | 3.26 | -0.05 |
| May | 4.31 | 4.45 | -0.14 |
| Jun | 4.84 | 4.73 | 0.11 |
| Jul | 3.74 | 3.75 | -0.01 |
| Aug | 3.66 | 3.67 | -0.01 |
| Sep | 3.15 | 3.01 | 0.14 |
| Oct | 2.32 | 2.24 | 0.08 |
| Nov | 1.40 | 1.32 | 0.08 |
| Dec | 0.96 | 0.91 | 0.05 |
30.68 | 30.47 | 0.21 |