| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.69 | -0.03 |
| Feb | 3.39 | 3.48 | -0.09 |
| Mar | 3.74 | 3.93 | -0.19 |
| Apr | 2.94 | 3.10 | -0.16 |
| May | 3.17 | 3.31 | -0.14 |
| Jun | 4.28 | 4.32 | -0.04 |
| Jul | 4.37 | 4.52 | -0.15 |
| Aug | 4.61 | 4.60 | 0.01 |
| Sep | 3.99 | 4.06 | -0.07 |
| Oct | 3.29 | 3.47 | -0.18 |
| Nov | 2.98 | 3.04 | -0.06 |
| Dec | 3.80 | 3.91 | -0.11 |
44.22 | 45.43 | -1.21 |