| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.95 | 3.02 | -0.07 |
| Feb | 2.64 | 2.71 | -0.07 |
| Mar | 3.78 | 3.80 | -0.02 |
| Apr | 3.39 | 3.32 | 0.07 |
| May | 4.07 | 4.31 | -0.24 |
| Jun | 4.27 | 4.53 | -0.26 |
| Jul | 4.58 | 4.53 | 0.05 |
| Aug | 3.86 | 3.88 | -0.02 |
| Sep | 4.35 | 4.14 | 0.21 |
| Oct | 3.81 | 3.89 | -0.08 |
| Nov | 3.07 | 3.11 | -0.04 |
| Dec | 3.66 | 3.67 | -0.01 |
44.43 | 44.91 | -0.48 |