| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.09 | 3.27 | -0.18 |
| Feb | 2.56 | 2.74 | -0.18 |
| Mar | 3.73 | 3.89 | -0.16 |
| Apr | 3.71 | 3.75 | -0.04 |
| May | 4.02 | 4.19 | -0.17 |
| Jun | 4.11 | 4.15 | -0.04 |
| Jul | 4.15 | 4.05 | 0.10 |
| Aug | 3.64 | 3.93 | -0.29 |
| Sep | 4.71 | 5.00 | -0.29 |
| Oct | 3.78 | 4.02 | -0.24 |
| Nov | 3.13 | 3.25 | -0.12 |
| Dec | 3.42 | 3.62 | -0.20 |
44.05 | 45.86 | -1.81 |