| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.73 | 0.00 |
| Feb | 0.86 | 0.90 | -0.04 |
| Mar | 1.69 | 1.64 | 0.05 |
| Apr | 3.06 | 3.11 | -0.05 |
| May | 4.67 | 4.59 | 0.08 |
| Jun | 4.79 | 4.86 | -0.07 |
| Jul | 3.33 | 3.22 | 0.11 |
| Aug | 3.89 | 3.75 | 0.14 |
| Sep | 2.99 | 3.06 | -0.07 |
| Oct | 2.33 | 2.26 | 0.07 |
| Nov | 1.34 | 1.27 | 0.07 |
| Dec | 1.13 | 1.18 | -0.05 |
30.81 | 30.57 | 0.24 |