| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.77 | -0.41 |
| Feb | 2.91 | 3.23 | -0.32 |
| Mar | 3.93 | 4.26 | -0.33 |
| Apr | 3.97 | 4.41 | -0.44 |
| May | 3.58 | 3.61 | -0.03 |
| Jun | 4.24 | 4.13 | 0.11 |
| Jul | 4.05 | 4.09 | -0.04 |
| Aug | 3.92 | 4.00 | -0.08 |
| Sep | 4.15 | 4.28 | -0.13 |
| Oct | 4.79 | 4.93 | -0.14 |
| Nov | 3.69 | 3.95 | -0.26 |
| Dec | 4.17 | 4.52 | -0.35 |
46.76 | 49.18 | -2.42 |