| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.75 | -0.06 |
| Feb | 1.14 | 1.17 | -0.03 |
| Mar | 1.98 | 2.02 | -0.04 |
| Apr | 3.30 | 3.44 | -0.14 |
| May | 4.87 | 4.79 | 0.08 |
| Jun | 4.67 | 4.97 | -0.30 |
| Jul | 4.30 | 4.28 | 0.02 |
| Aug | 3.93 | 3.76 | 0.17 |
| Sep | 3.13 | 3.22 | -0.09 |
| Oct | 2.52 | 2.63 | -0.11 |
| Nov | 1.61 | 1.64 | -0.03 |
| Dec | 1.16 | 1.29 | -0.13 |
33.30 | 33.96 | -0.66 |