| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.94 | 0.97 | -0.03 |
| Feb | 0.95 | 0.96 | -0.01 |
| Mar | 1.83 | 1.75 | 0.08 |
| Apr | 3.05 | 2.97 | 0.08 |
| May | 4.24 | 4.24 | 0.00 |
| Jun | 5.21 | 5.15 | 0.06 |
| Jul | 4.26 | 3.96 | 0.30 |
| Aug | 4.64 | 4.57 | 0.07 |
| Sep | 3.47 | 3.55 | -0.08 |
| Oct | 2.63 | 2.55 | 0.08 |
| Nov | 1.66 | 1.65 | 0.01 |
| Dec | 1.22 | 1.19 | 0.03 |
34.10 | 33.51 | 0.59 |