| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.23 | 3.36 | -0.13 |
| Feb | 2.81 | 2.97 | -0.16 |
| Mar | 3.50 | 3.70 | -0.20 |
| Apr | 3.74 | 3.90 | -0.16 |
| May | 3.64 | 3.69 | -0.05 |
| Jun | 4.42 | 4.46 | -0.04 |
| Jul | 4.20 | 4.10 | 0.10 |
| Aug | 4.17 | 4.14 | 0.03 |
| Sep | 4.47 | 4.51 | -0.04 |
| Oct | 4.60 | 4.75 | -0.15 |
| Nov | 3.44 | 3.52 | -0.08 |
| Dec | 4.01 | 4.24 | -0.23 |
46.23 | 47.34 | -1.11 |