| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.78 | 1.86 | -0.08 |
| Feb | 1.69 | 1.82 | -0.13 |
| Mar | 2.21 | 2.29 | -0.08 |
| Apr | 3.71 | 3.73 | -0.02 |
| May | 4.70 | 4.61 | 0.09 |
| Jun | 4.44 | 4.29 | 0.15 |
| Jul | 3.85 | 3.71 | 0.14 |
| Aug | 3.96 | 3.77 | 0.19 |
| Sep | 3.32 | 3.24 | 0.08 |
| Oct | 3.27 | 3.27 | 0.00 |
| Nov | 2.50 | 2.48 | 0.02 |
| Dec | 2.02 | 2.09 | -0.07 |
37.45 | 37.16 | 0.29 |