| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.70 | -0.14 |
| Feb | 2.94 | 3.08 | -0.14 |
| Mar | 4.26 | 4.24 | 0.02 |
| Apr | 3.69 | 3.87 | -0.18 |
| May | 3.86 | 3.75 | 0.11 |
| Jun | 4.18 | 4.25 | -0.07 |
| Jul | 4.27 | 4.16 | 0.11 |
| Aug | 4.45 | 4.64 | -0.19 |
| Sep | 3.95 | 3.93 | 0.02 |
| Oct | 4.06 | 4.16 | -0.10 |
| Nov | 3.32 | 3.32 | 0.00 |
| Dec | 4.23 | 4.52 | -0.29 |
46.77 | 47.62 | -0.85 |