| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.40 | -0.21 |
| Feb | 2.80 | 3.01 | -0.21 |
| Mar | 3.85 | 3.92 | -0.07 |
| Apr | 3.94 | 4.03 | -0.09 |
| May | 3.53 | 3.59 | -0.06 |
| Jun | 4.21 | 4.39 | -0.18 |
| Jul | 3.84 | 4.01 | -0.17 |
| Aug | 4.24 | 4.10 | 0.14 |
| Sep | 4.16 | 4.24 | -0.08 |
| Oct | 4.45 | 4.64 | -0.19 |
| Nov | 3.59 | 3.75 | -0.16 |
| Dec | 4.13 | 4.35 | -0.22 |
45.93 | 47.43 | -1.50 |