| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.72 | -0.06 |
| Feb | 3.17 | 3.20 | -0.03 |
| Mar | 3.94 | 4.04 | -0.10 |
| Apr | 3.65 | 3.63 | 0.02 |
| May | 3.52 | 3.45 | 0.07 |
| Jun | 4.08 | 4.16 | -0.08 |
| Jul | 3.70 | 3.77 | -0.07 |
| Aug | 4.19 | 3.98 | 0.21 |
| Sep | 3.62 | 3.73 | -0.11 |
| Oct | 3.12 | 3.12 | 0.00 |
| Nov | 3.28 | 3.32 | -0.04 |
| Dec | 3.65 | 3.75 | -0.10 |
43.58 | 43.87 | -0.29 |