| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.00 | 4.11 | -0.11 |
| Feb | 3.51 | 3.53 | -0.02 |
| Mar | 4.64 | 4.78 | -0.14 |
| Apr | 4.43 | 4.60 | -0.17 |
| May | 3.63 | 3.55 | 0.08 |
| Jun | 4.15 | 4.28 | -0.13 |
| Jul | 3.55 | 3.58 | -0.03 |
| Aug | 3.94 | 3.98 | -0.04 |
| Sep | 4.02 | 4.07 | -0.05 |
| Oct | 5.05 | 5.03 | 0.02 |
| Nov | 4.12 | 4.16 | -0.04 |
| Dec | 4.79 | 5.09 | -0.30 |
49.83 | 50.76 | -0.93 |