| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.22 | -0.15 |
| Feb | 2.58 | 2.62 | -0.04 |
| Mar | 3.40 | 3.33 | 0.07 |
| Apr | 3.60 | 3.69 | -0.09 |
| May | 3.59 | 3.76 | -0.17 |
| Jun | 4.19 | 4.52 | -0.33 |
| Jul | 4.11 | 4.40 | -0.29 |
| Aug | 4.08 | 4.03 | 0.05 |
| Sep | 3.62 | 3.52 | 0.10 |
| Oct | 4.03 | 4.32 | -0.29 |
| Nov | 3.40 | 3.46 | -0.06 |
| Dec | 3.66 | 3.90 | -0.24 |
43.33 | 44.77 | -1.44 |