| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.56 | 0.50 | 0.06 |
| Feb | 0.87 | 0.73 | 0.14 |
| Mar | 1.29 | 1.19 | 0.10 |
| Apr | 2.94 | 2.87 | 0.07 |
| May | 3.71 | 3.70 | 0.01 |
| Jun | 3.73 | 3.85 | -0.12 |
| Jul | 2.95 | 2.99 | -0.04 |
| Aug | 3.06 | 2.99 | 0.07 |
| Sep | 2.77 | 2.63 | 0.14 |
| Oct | 2.12 | 2.11 | 0.01 |
| Nov | 0.93 | 0.92 | 0.01 |
| Dec | 0.73 | 0.66 | 0.07 |
25.66 | 25.14 | 0.52 |