| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.17 | 0.19 |
| Feb | 2.78 | 2.63 | 0.15 |
| Mar | 3.42 | 3.40 | 0.02 |
| Apr | 3.86 | 3.78 | 0.08 |
| May | 3.62 | 3.49 | 0.13 |
| Jun | 4.36 | 4.35 | 0.01 |
| Jul | 3.92 | 3.67 | 0.25 |
| Aug | 3.78 | 3.62 | 0.16 |
| Sep | 3.70 | 3.59 | 0.11 |
| Oct | 5.10 | 4.88 | 0.22 |
| Nov | 4.18 | 3.94 | 0.24 |
| Dec | 4.10 | 3.88 | 0.22 |
46.18 | 44.40 | 1.78 |