| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.69 | -0.09 |
| Feb | 3.34 | 3.51 | -0.17 |
| Mar | 3.60 | 3.73 | -0.13 |
| Apr | 3.08 | 3.19 | -0.11 |
| May | 3.51 | 3.73 | -0.22 |
| Jun | 4.61 | 4.90 | -0.29 |
| Jul | 5.00 | 5.00 | 0.00 |
| Aug | 5.06 | 4.94 | 0.12 |
| Sep | 4.07 | 4.20 | -0.13 |
| Oct | 3.40 | 3.50 | -0.10 |
| Nov | 2.87 | 2.93 | -0.06 |
| Dec | 3.63 | 3.76 | -0.13 |
45.77 | 47.08 | -1.31 |