| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.52 | -0.08 |
| Feb | 3.18 | 3.15 | 0.03 |
| Mar | 3.89 | 3.97 | -0.08 |
| Apr | 3.88 | 3.74 | 0.14 |
| May | 3.76 | 3.64 | 0.12 |
| Jun | 4.41 | 4.42 | -0.01 |
| Jul | 4.10 | 4.10 | 0.00 |
| Aug | 4.21 | 4.15 | 0.06 |
| Sep | 4.20 | 4.07 | 0.13 |
| Oct | 4.93 | 4.84 | 0.09 |
| Nov | 3.69 | 3.71 | -0.02 |
| Dec | 4.11 | 4.24 | -0.13 |
47.80 | 47.55 | 0.25 |