| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.19 | 4.22 | -0.03 |
| Feb | 3.73 | 3.77 | -0.04 |
| Mar | 4.51 | 4.65 | -0.14 |
| Apr | 4.09 | 4.17 | -0.08 |
| May | 3.94 | 4.00 | -0.06 |
| Jun | 4.24 | 4.14 | 0.10 |
| Jul | 4.15 | 4.32 | -0.17 |
| Aug | 4.48 | 4.64 | -0.16 |
| Sep | 3.90 | 3.91 | -0.01 |
| Oct | 3.51 | 3.68 | -0.17 |
| Nov | 3.74 | 3.92 | -0.18 |
| Dec | 4.43 | 4.76 | -0.33 |
48.91 | 50.18 | -1.27 |