| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.74 | 3.52 | 0.22 |
| Feb | 3.65 | 3.46 | 0.19 |
| Mar | 4.06 | 4.09 | -0.03 |
| Apr | 4.06 | 3.96 | 0.10 |
| May | 4.60 | 4.69 | -0.09 |
| Jun | 4.15 | 4.47 | -0.32 |
| Jul | 4.73 | 4.93 | -0.20 |
| Aug | 4.01 | 3.98 | 0.03 |
| Sep | 3.42 | 3.47 | -0.05 |
| Oct | 2.80 | 2.63 | 0.17 |
| Nov | 3.02 | 2.94 | 0.08 |
| Dec | 3.94 | 3.79 | 0.15 |
46.18 | 45.93 | 0.25 |