| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.91 | 2.03 | -0.12 |
| Feb | 2.00 | 2.13 | -0.13 |
| Mar | 2.86 | 2.91 | -0.05 |
| Apr | 4.19 | 4.15 | 0.04 |
| May | 4.94 | 4.93 | 0.01 |
| Jun | 4.51 | 4.63 | -0.12 |
| Jul | 4.43 | 4.25 | 0.18 |
| Aug | 3.60 | 3.51 | 0.09 |
| Sep | 3.55 | 3.56 | -0.01 |
| Oct | 3.07 | 3.08 | -0.01 |
| Nov | 2.67 | 2.63 | 0.04 |
| Dec | 2.03 | 2.11 | -0.08 |
39.76 | 39.92 | -0.16 |