| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.15 | 0.04 |
| Feb | 2.95 | 2.92 | 0.03 |
| Mar | 3.91 | 3.77 | 0.14 |
| Apr | 3.83 | 3.97 | -0.14 |
| May | 4.27 | 4.26 | 0.01 |
| Jun | 4.40 | 4.37 | 0.03 |
| Jul | 4.31 | 4.42 | -0.11 |
| Aug | 3.47 | 3.48 | -0.01 |
| Sep | 3.55 | 3.26 | 0.29 |
| Oct | 3.04 | 3.07 | -0.03 |
| Nov | 2.84 | 2.86 | -0.02 |
| Dec | 3.27 | 3.35 | -0.08 |
43.03 | 42.88 | 0.15 |