| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.72 | 3.65 | 0.07 |
| Feb | 3.75 | 3.71 | 0.04 |
| Mar | 4.00 | 4.13 | -0.13 |
| Apr | 3.75 | 3.94 | -0.19 |
| May | 4.12 | 4.56 | -0.44 |
| Jun | 3.90 | 3.98 | -0.08 |
| Jul | 2.50 | 2.49 | 0.01 |
| Aug | 2.62 | 2.63 | -0.01 |
| Sep | 3.31 | 3.10 | 0.21 |
| Oct | 4.92 | 4.91 | 0.01 |
| Nov | 3.58 | 3.60 | -0.02 |
| Dec | 4.25 | 4.28 | -0.03 |
44.42 | 44.98 | -0.56 |