| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.77 | -0.08 |
| Feb | 0.80 | 0.87 | -0.07 |
| Mar | 1.48 | 1.49 | -0.01 |
| Apr | 2.84 | 2.84 | 0.00 |
| May | 4.08 | 4.16 | -0.08 |
| Jun | 4.51 | 4.48 | 0.03 |
| Jul | 3.92 | 3.97 | -0.05 |
| Aug | 4.10 | 4.14 | -0.04 |
| Sep | 3.29 | 3.27 | 0.02 |
| Oct | 2.64 | 2.60 | 0.04 |
| Nov | 1.44 | 1.51 | -0.07 |
| Dec | 1.01 | 1.15 | -0.14 |
30.80 | 31.25 | -0.45 |