| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.71 | 0.02 |
| Feb | 0.76 | 0.77 | -0.01 |
| Mar | 1.58 | 1.67 | -0.09 |
| Apr | 3.20 | 3.27 | -0.07 |
| May | 4.29 | 4.47 | -0.18 |
| Jun | 4.86 | 4.73 | 0.13 |
| Jul | 3.77 | 3.77 | 0.00 |
| Aug | 3.64 | 3.66 | -0.02 |
| Sep | 3.13 | 3.01 | 0.12 |
| Oct | 2.31 | 2.25 | 0.06 |
| Nov | 1.38 | 1.32 | 0.06 |
| Dec | 0.97 | 0.91 | 0.06 |
30.62 | 30.54 | 0.08 |