| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.56 | 0.07 |
| Feb | 0.77 | 0.66 | 0.11 |
| Mar | 1.56 | 1.54 | 0.02 |
| Apr | 2.62 | 2.40 | 0.22 |
| May | 3.24 | 3.31 | -0.07 |
| Jun | 2.02 | 2.12 | -0.10 |
| Jul | 2.15 | 2.03 | 0.12 |
| Aug | 1.88 | 1.74 | 0.14 |
| Sep | 1.66 | 1.72 | -0.06 |
| Oct | 1.43 | 1.31 | 0.12 |
| Nov | 0.97 | 0.93 | 0.04 |
| Dec | 0.64 | 0.63 | 0.01 |
19.57 | 18.95 | 0.62 |