| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.94 | 0.92 | 0.02 |
| Feb | 0.95 | 0.95 | 0.00 |
| Mar | 1.83 | 1.75 | 0.08 |
| Apr | 3.10 | 2.94 | 0.16 |
| May | 4.32 | 4.29 | 0.03 |
| Jun | 5.12 | 5.21 | -0.09 |
| Jul | 4.29 | 4.11 | 0.18 |
| Aug | 4.67 | 4.59 | 0.08 |
| Sep | 3.61 | 3.55 | 0.06 |
| Oct | 2.61 | 2.50 | 0.11 |
| Nov | 1.68 | 1.60 | 0.08 |
| Dec | 1.21 | 1.25 | -0.04 |
34.33 | 33.66 | 0.67 |