| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.61 | 3.76 | -0.15 |
| Feb | 3.10 | 3.23 | -0.13 |
| Mar | 3.82 | 4.07 | -0.25 |
| Apr | 3.54 | 3.64 | -0.10 |
| May | 3.56 | 3.45 | 0.11 |
| Jun | 4.08 | 4.16 | -0.08 |
| Jul | 3.75 | 3.93 | -0.18 |
| Aug | 4.06 | 4.17 | -0.11 |
| Sep | 3.66 | 3.87 | -0.21 |
| Oct | 3.11 | 3.23 | -0.12 |
| Nov | 3.20 | 3.30 | -0.10 |
| Dec | 3.55 | 3.78 | -0.23 |
43.04 | 44.59 | -1.55 |