| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.71 | 2.70 | 0.01 |
| Feb | 2.24 | 2.26 | -0.02 |
| Mar | 3.09 | 2.89 | 0.20 |
| Apr | 3.93 | 3.89 | 0.04 |
| May | 4.29 | 4.23 | 0.06 |
| Jun | 4.63 | 4.52 | 0.11 |
| Jul | 3.95 | 4.20 | -0.25 |
| Aug | 3.63 | 3.66 | -0.03 |
| Sep | 3.04 | 3.09 | -0.05 |
| Oct | 2.95 | 2.77 | 0.18 |
| Nov | 3.15 | 3.13 | 0.02 |
| Dec | 2.64 | 2.59 | 0.05 |
40.25 | 39.93 | 0.32 |