| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.28 | 1.16 | 0.12 |
| Feb | 1.09 | 1.06 | 0.03 |
| Mar | 1.70 | 1.69 | 0.01 |
| Apr | 2.91 | 2.91 | 0.00 |
| May | 3.76 | 3.84 | -0.08 |
| Jun | 4.43 | 4.64 | -0.21 |
| Jul | 4.27 | 4.37 | -0.10 |
| Aug | 3.69 | 3.77 | -0.08 |
| Sep | 3.75 | 3.74 | 0.01 |
| Oct | 3.47 | 3.40 | 0.07 |
| Nov | 2.03 | 1.93 | 0.10 |
| Dec | 1.54 | 1.52 | 0.02 |
33.92 | 34.03 | -0.11 |