| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.03 | 3.04 | -0.01 |
| Feb | 2.64 | 2.68 | -0.04 |
| Mar | 3.73 | 3.80 | -0.07 |
| Apr | 3.43 | 3.39 | 0.04 |
| May | 4.29 | 4.38 | -0.09 |
| Jun | 4.26 | 4.25 | 0.01 |
| Jul | 4.40 | 4.35 | 0.05 |
| Aug | 3.71 | 3.79 | -0.08 |
| Sep | 4.22 | 4.40 | -0.18 |
| Oct | 3.76 | 3.86 | -0.10 |
| Nov | 3.16 | 3.20 | -0.04 |
| Dec | 3.60 | 3.65 | -0.05 |
44.23 | 44.79 | -0.56 |