| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.75 | -0.09 |
| Feb | 3.06 | 3.18 | -0.12 |
| Mar | 3.71 | 3.94 | -0.23 |
| Apr | 3.33 | 3.47 | -0.14 |
| May | 3.58 | 3.34 | 0.24 |
| Jun | 4.09 | 4.19 | -0.10 |
| Jul | 3.88 | 4.01 | -0.13 |
| Aug | 4.22 | 4.40 | -0.18 |
| Sep | 3.74 | 4.04 | -0.30 |
| Oct | 3.20 | 3.32 | -0.12 |
| Nov | 3.15 | 3.26 | -0.11 |
| Dec | 3.45 | 3.79 | -0.34 |
43.07 | 44.69 | -1.62 |