| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.48 | -0.11 |
| Feb | 3.03 | 3.14 | -0.11 |
| Mar | 3.47 | 3.51 | -0.04 |
| Apr | 3.24 | 3.43 | -0.19 |
| May | 3.52 | 3.36 | 0.16 |
| Jun | 4.90 | 4.91 | -0.01 |
| Jul | 4.83 | 4.80 | 0.03 |
| Aug | 4.86 | 4.95 | -0.09 |
| Sep | 5.18 | 5.46 | -0.28 |
| Oct | 3.11 | 3.27 | -0.16 |
| Nov | 3.25 | 3.25 | 0.00 |
| Dec | 3.43 | 3.48 | -0.05 |
46.19 | 47.04 | -0.85 |