| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.62 | 2.64 | -0.02 |
| Feb | 2.51 | 2.70 | -0.19 |
| Mar | 3.95 | 4.08 | -0.13 |
| Apr | 4.82 | 4.97 | -0.15 |
| May | 5.45 | 5.48 | -0.03 |
| Jun | 4.25 | 4.27 | -0.02 |
| Jul | 4.26 | 4.13 | 0.13 |
| Aug | 3.63 | 3.54 | 0.09 |
| Sep | 4.00 | 4.00 | 0.00 |
| Oct | 3.31 | 3.42 | -0.11 |
| Nov | 3.69 | 3.85 | -0.16 |
| Dec | 2.66 | 2.85 | -0.19 |
45.15 | 45.93 | -0.78 |