| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.10 | -0.03 |
| Feb | 2.63 | 2.60 | 0.03 |
| Mar | 3.90 | 3.82 | 0.08 |
| Apr | 3.61 | 3.56 | 0.05 |
| May | 4.22 | 4.14 | 0.08 |
| Jun | 4.24 | 4.19 | 0.05 |
| Jul | 4.37 | 4.16 | 0.21 |
| Aug | 3.54 | 3.45 | 0.09 |
| Sep | 4.53 | 4.61 | -0.08 |
| Oct | 3.75 | 3.89 | -0.14 |
| Nov | 3.17 | 3.23 | -0.06 |
| Dec | 3.62 | 3.70 | -0.08 |
44.65 | 44.45 | 0.20 |