| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.82 | 2.00 | -0.18 |
| Feb | 1.73 | 1.94 | -0.21 |
| Mar | 2.22 | 2.24 | -0.02 |
| Apr | 3.79 | 3.77 | 0.02 |
| May | 4.16 | 4.29 | -0.13 |
| Jun | 4.37 | 4.24 | 0.13 |
| Jul | 3.51 | 3.62 | -0.11 |
| Aug | 3.65 | 3.56 | 0.09 |
| Sep | 3.40 | 3.55 | -0.15 |
| Oct | 3.25 | 3.22 | 0.03 |
| Nov | 2.45 | 2.41 | 0.04 |
| Dec | 1.93 | 2.11 | -0.18 |
36.28 | 36.95 | -0.67 |