| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.74 | 0.04 |
| Feb | 0.98 | 0.95 | 0.03 |
| Mar | 1.67 | 1.69 | -0.02 |
| Apr | 2.76 | 2.80 | -0.04 |
| May | 5.35 | 5.34 | 0.01 |
| Jun | 4.63 | 4.79 | -0.16 |
| Jul | 3.92 | 3.85 | 0.07 |
| Aug | 3.52 | 3.45 | 0.07 |
| Sep | 2.94 | 3.01 | -0.07 |
| Oct | 2.37 | 2.43 | -0.06 |
| Nov | 1.38 | 1.38 | 0.00 |
| Dec | 1.21 | 1.17 | 0.04 |
31.51 | 31.60 | -0.09 |