| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.87 | 0.88 | -0.01 |
| Feb | 0.94 | 0.93 | 0.01 |
| Mar | 1.77 | 1.75 | 0.02 |
| Apr | 3.10 | 2.95 | 0.15 |
| May | 4.26 | 4.37 | -0.11 |
| Jun | 5.36 | 5.11 | 0.25 |
| Jul | 4.46 | 4.12 | 0.34 |
| Aug | 4.54 | 4.59 | -0.05 |
| Sep | 3.60 | 3.46 | 0.14 |
| Oct | 2.62 | 2.50 | 0.12 |
| Nov | 1.59 | 1.64 | -0.05 |
| Dec | 1.15 | 1.25 | -0.10 |
34.26 | 33.55 | 0.71 |