| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.45 | 0.11 |
| Feb | 2.85 | 2.77 | 0.08 |
| Mar | 3.92 | 3.76 | 0.16 |
| Apr | 3.93 | 3.93 | 0.00 |
| May | 4.25 | 4.34 | -0.09 |
| Jun | 4.58 | 4.41 | 0.17 |
| Jul | 4.31 | 4.04 | 0.27 |
| Aug | 3.60 | 3.58 | 0.02 |
| Sep | 4.47 | 4.29 | 0.18 |
| Oct | 3.45 | 3.35 | 0.10 |
| Nov | 3.68 | 3.66 | 0.02 |
| Dec | 3.68 | 3.56 | 0.12 |
46.28 | 45.14 | 1.14 |