| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.92 | 4.93 | -0.01 |
| Feb | 4.45 | 4.56 | -0.11 |
| Mar | 4.78 | 4.89 | -0.11 |
| Apr | 4.24 | 4.28 | -0.04 |
| May | 3.88 | 3.88 | 0.00 |
| Jun | 4.60 | 4.30 | 0.30 |
| Jul | 4.58 | 4.13 | 0.45 |
| Aug | 5.10 | 5.41 | -0.31 |
| Sep | 4.13 | 4.20 | -0.07 |
| Oct | 3.81 | 3.95 | -0.14 |
| Nov | 3.97 | 4.12 | -0.15 |
| Dec | 5.09 | 5.35 | -0.26 |
53.55 | 54.00 | -0.45 |