| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.22 | 0.08 |
| Feb | 2.83 | 2.90 | -0.07 |
| Mar | 4.03 | 4.07 | -0.04 |
| Apr | 5.04 | 5.02 | 0.02 |
| May | 5.12 | 4.94 | 0.18 |
| Jun | 4.52 | 4.40 | 0.12 |
| Jul | 4.14 | 4.07 | 0.07 |
| Aug | 3.46 | 3.31 | 0.15 |
| Sep | 3.47 | 3.31 | 0.16 |
| Oct | 3.51 | 3.42 | 0.09 |
| Nov | 3.88 | 3.93 | -0.05 |
| Dec | 3.42 | 3.43 | -0.01 |
46.72 | 46.02 | 0.70 |