| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.75 | -0.10 |
| Feb | 3.21 | 3.22 | -0.01 |
| Mar | 4.09 | 4.12 | -0.03 |
| Apr | 3.77 | 3.66 | 0.11 |
| May | 3.57 | 3.51 | 0.06 |
| Jun | 4.20 | 4.12 | 0.08 |
| Jul | 3.76 | 3.70 | 0.06 |
| Aug | 4.15 | 4.12 | 0.03 |
| Sep | 3.66 | 3.74 | -0.08 |
| Oct | 3.20 | 3.20 | 0.00 |
| Nov | 3.36 | 3.31 | 0.05 |
| Dec | 3.80 | 3.89 | -0.09 |
44.42 | 44.34 | 0.08 |