| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.64 | 0.63 | 0.01 |
| Feb | 0.74 | 0.73 | 0.01 |
| Mar | 1.62 | 1.71 | -0.09 |
| Apr | 2.37 | 2.32 | 0.05 |
| May | 2.46 | 2.47 | -0.01 |
| Jun | 1.80 | 1.69 | 0.11 |
| Jul | 1.92 | 1.71 | 0.21 |
| Aug | 1.98 | 1.93 | 0.05 |
| Sep | 1.44 | 1.55 | -0.11 |
| Oct | 1.31 | 1.45 | -0.14 |
| Nov | 0.95 | 0.94 | 0.01 |
| Dec | 0.72 | 0.74 | -0.02 |
17.95 | 17.87 | 0.08 |