| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.86 | 0.92 | -0.06 |
| Feb | 0.84 | 0.85 | -0.01 |
| Mar | 1.62 | 1.64 | -0.02 |
| Apr | 2.93 | 3.00 | -0.07 |
| May | 4.21 | 4.22 | -0.01 |
| Jun | 5.11 | 5.02 | 0.09 |
| Jul | 4.13 | 4.27 | -0.14 |
| Aug | 4.40 | 4.51 | -0.11 |
| Sep | 3.36 | 3.35 | 0.01 |
| Oct | 2.77 | 2.88 | -0.11 |
| Nov | 1.70 | 1.69 | 0.01 |
| Dec | 1.16 | 1.25 | -0.09 |
33.09 | 33.60 | -0.51 |