| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.15 | 3.09 | 0.06 |
| Feb | 3.07 | 3.10 | -0.03 |
| Mar | 4.07 | 3.85 | 0.22 |
| Apr | 3.97 | 3.90 | 0.07 |
| May | 3.68 | 3.60 | 0.08 |
| Jun | 4.22 | 4.16 | 0.06 |
| Jul | 3.77 | 3.58 | 0.19 |
| Aug | 3.62 | 3.63 | -0.01 |
| Sep | 4.02 | 3.76 | 0.26 |
| Oct | 4.65 | 4.64 | 0.01 |
| Nov | 3.83 | 3.66 | 0.17 |
| Dec | 4.12 | 4.18 | -0.06 |
46.17 | 45.15 | 1.02 |