| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.61 | 3.65 | -0.04 |
| Feb | 3.15 | 3.11 | 0.04 |
| Mar | 3.91 | 4.09 | -0.18 |
| Apr | 3.73 | 3.94 | -0.21 |
| May | 3.64 | 3.67 | -0.03 |
| Jun | 4.38 | 4.58 | -0.20 |
| Jul | 4.19 | 4.77 | -0.58 |
| Aug | 4.29 | 4.58 | -0.29 |
| Sep | 4.06 | 4.16 | -0.10 |
| Oct | 3.32 | 3.43 | -0.11 |
| Nov | 3.33 | 3.41 | -0.08 |
| Dec | 3.63 | 3.62 | 0.01 |
45.24 | 47.01 | -1.77 |