| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.40 | -0.02 |
| Feb | 3.21 | 3.24 | -0.03 |
| Mar | 4.17 | 4.15 | 0.02 |
| Apr | 4.04 | 3.95 | 0.09 |
| May | 3.75 | 3.47 | 0.28 |
| Jun | 4.22 | 4.03 | 0.19 |
| Jul | 3.76 | 3.62 | 0.14 |
| Aug | 3.66 | 3.62 | 0.04 |
| Sep | 3.94 | 3.76 | 0.18 |
| Oct | 4.65 | 4.71 | -0.06 |
| Nov | 3.78 | 3.64 | 0.14 |
| Dec | 4.42 | 4.44 | -0.02 |
46.98 | 46.03 | 0.95 |