| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.03 | 4.00 | 0.03 |
| Feb | 3.66 | 3.79 | -0.13 |
| Mar | 4.24 | 4.35 | -0.11 |
| Apr | 2.98 | 3.17 | -0.19 |
| May | 3.22 | 3.09 | 0.13 |
| Jun | 4.64 | 4.73 | -0.09 |
| Jul | 4.60 | 4.45 | 0.15 |
| Aug | 4.77 | 4.90 | -0.13 |
| Sep | 3.73 | 3.86 | -0.13 |
| Oct | 2.75 | 2.81 | -0.06 |
| Nov | 2.92 | 3.13 | -0.21 |
| Dec | 4.04 | 4.11 | -0.07 |
45.58 | 46.39 | -0.81 |